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  • 专利说明
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    • 专利摘要:
    set of razor / epilator blades and shaver / epilator. it is a set of razor / shaving blades comprising a razor unit (14) and a skin contact member (16) and a shaver / epilator comprising a razor / epilator handle and such a set of blades shaving / shaving, wherein the blade unit (14) comprises at least one shaving / shaving blade (20) having a cutting edge (22). the blade unit (14) can have a surface area for contact between skin and the blade unit, whereas the blade unit (14) and the skin contact member (16) have a surface area for contact between the skin and the set of razors / shavers (18). the relationship between the surface area for contact between the skin and the set of razor / shaving blades and the surface area for skin contact with the blade unit is between 2 and 3.1. the skin contact member (16) may comprise a flat front surface (34a) and a flat back surface (36a) that define a contact plane (p1), and the contact plane (p1) and shaving plane / shaving (p2) are parallel, and the distance (d) between the contact plane (p1) and the shaving / shaving plane (p2) is between 0.2 mm and 0.6 mm.
    公开号:BR112015031687B1
    申请号:R112015031687-5
    申请日:2013-06-19
    公开日:2021-03-30
    发明作者:Ioannis Bozikis
    申请人:Bic-Violex Sa；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    [001] The invention relates to a set of razor / epilator blades that comprises a razor unit and a member for contacting the skin and a shaver / epilator that comprises a razor / epilator handle and such a set of razor blades. shaving / shaving. BACKGROUND OF THE INVENTION
    [002] In particular, the invention relates to razor / epilator blade assemblies comprising a razor unit and a skin contact member, the razor unit comprising at least one razor / epilator blade which has a cutting edge, the blade unit has a surface area for contact between the skin and the blade unit, and the blade unit and the skin contact member have a surface area for contact between the skin and the set of razors / shavers.
    [003] Such shaving / shaving blade sets allow a smooth relationship between the blades and the skin to be maintained during shaving / epilation in such a way that they can prevent any strong pressure from the blades to the skin.
    [004] Commonly known shaving / shaving razor sets comprise a skin contact member provided with a shaving / epilation aid such as a lubricant, moisturizer, conditioner and / or an exfoliator to perfect the shaver's slip. /epilator.
    [005] However, the shaving / waxing assistant suffers from wear and tear, changing the dimensions of the shaving / waxing assistant in relation to the set of blades and, as a result, the user can cut himself during shaving / waxing.
    [006] Therefore, the known shaving / shaving razor sets do not allow shaving / shaving in good condition as soon as the shaving / shaving aid becomes worn out. In addition, the manufacture of such known razor / shaving razor sets is complicated since the skin contact member is commonly produced from a variety of materials (double and triple injection molding) and / or since an shaving / waxing is added to the limb for skin contact. DESCRIPTION OF THE INVENTION
    [007] For this purpose, a set of razor / shaving blades with a specific geometry is provided that allows a good shaving / shaving throughout the life of the blades, with the user enjoying a better glide and a smooth, free skin skin damage that would normally result from shaving / waxing.
    [008] An object of the invention is to provide a set of razor / shaving blades that comprises a razor unit and a member for contacting the skin, the razor unit comprising at least one razor / epilator blade that has a cutting edge and having a shaving / shaving plan, where the skin contact member comprises a front part for skin contact that extends on the front of the shaving / shaving blades and a rear part for contact with the skin that extends on the back of the razor / shaving blades, where the front for skin contact comprises a flat front surface and the rear for skin contact comprises a flat rear surface, the flat surface being the front and the flat rear surface define a contact plane, and where the contact plane and the shaving / shaving plane are parallel and the distance between the contact plane and the shaving / shaving plane action is between 0.2 mm and 0.6 mm.
    [009] Another objective of the invention is to provide a set of razors / shavers that have a relationship between the surface area for contact between the skin and the set of razors / shavers and the surface area for contact between the skin. and the blade unit which is comprised between 2 and 3.1.
    [010] There is no longer any need to provide the member for skin contact with a shaving / waxing aid. The skin contact member of the invention allows to spread the pressure that the user applies over a wider area of the skin and prevents the intense deformation of the skin that is caused by the blade unit without the skin contact member. The skin contact member of the invention can be manufactured with single injection molding; as a result, the manufacturing costs of the razor / epilator set according to the invention are thus lower.
    [011] The skin contact member according to the invention acts as a stretcher on the skin while allowing it to slip. In addition, the skin contact member according to the invention can be produced in a single production step, which means a lower production cost and easier quality control.
    [012] The advantages of the present invention include a pleasant feeling of sliding and safety for the skin during shaving / epilation, without damage to the skin when the user, by mistake or due to a faster movement, applies more pressure than normal during shaving / waxing. In other words, the skin contact member protects the user against wrong movements (such as, for example, in the lateral direction) and absorbs the excessive pressure that can cause microlesions and skin irritation. Based on the previous functions, the skin contact member allows for a faster and smoother shaving / epilation.
    [013] In various embodiments of the invention, one and / or the other of the following functions can be incorporated in this member for contact with the skin alone or in mutual combination: - the blade unit has a surface area for contact between the skin and the blade unit, the blade unit and the skin contact member having a surface area for contact between the skin and the razor / shaving set, where the relationship between the surface area for contact between the skin and the set of razor / shaving blades and the surface area for contact between the skin and the razor unit is between 2 and 3.1; - the skin contact member has no shaving aid /hair removal; thus, the skin contact member does not include any shaving / hair removal aid - the blade unit additionally comprises a protection and a cap; protection is provided at the front of the cutting edge, while the cover, which can be equipped with a shaving / epilation aid or lubricator, is located at the rear of the cutting edge; - the skin contact member is attached fixedly to the blade unit; in fact, the skin contact member is not allowed to move in relation to the blade unit during shaving / waxing; the skin contact member surrounds the blade unit; the skin contact member can, for example, be snapped onto the razor unit; - the skin contact member comprises a front skin contact that extends in front of the shaving / shaving blade and a rear part for contact with the skin that extends behind the shaving / shaving blade; in this case, the front part for contact with the skin preferably comprises a flat front surface and the back part for contact with the skin comprises a flat rear surface, with the front flat surface and the rear flat surface defining a contact plane; furthermore, in this case, the front part for contact with the skin preferably additionally comprises a longitudinal front face which is connected to the front flat surface through a curved front face and in which the rear part for contact with the skin additionally comprises , a longitudinal rear face that is connected to the rear flat surface through a curved rear face; the longitudinal front face is substantially perpendicular to the flat front surface and the curved front face has a radius of curvature of about 2 mm; similarly, the rear longitudinal face is substantially perpendicular to the rear flat surface and the rear curved face has a radius of curvature of about 2 mm; - the contact plane is above a shaving / shaving plane defined by the housing; - the contact plane and the shaving / shaving plane are parallel in that the distance between the contact plane and the shaving / shaving plane is between 0.2 mm and 0.6 mm; this distance between the two planes provides a safe distance between the blade unit and the skin, especially between the blades and the skin, which allows for a faster, smoother and safer shaving / epilation; - the relationship between the surface area for contact between the skin and the razor / shaving set and the surface area for contact between the skin and the razor unit is about 2.5, and the contact plane and the shaving / shaving plane are parallel and the distance between the contact plane and the shaving / waxing plane is about 0.3 mm; - the skin contact member comprises a material chosen from plastics, metals and / or varnished wood, and the skin contact member has a friction coefficient between 0.3 and 0.7 when it comprises a plastic, a friction coefficient between 1.05 and 1.35 when it comprises a metal, or a friction coefficient between 0.25 and 0.5 when the even includes addition of varnished wood; these materials and friction coefficient values provide better stretch to the skin as current shavers / epilators use a high-friction material, such as TPE, to grab the skin and pull it out during shaving / epilation. The friction coefficient values indicated in this document are without the use of any lubricant.
    [014] The set of razor / shaving blades additionally includes a protective cover to protect the cutting edge; such protective cover is slidable and is provided with a lock to keep the protective cover in a position of complete stop; the skin contact member comprises a slit of shaped latch to receive the latch of such a protective cover; the skin contact member may have thermochromic pigments, so it can be used to transmit information to the user.
    [015] Another objective of the invention is to provide a shaver / epilator comprising a shaver / epilator handle and such a set of razor / epilator blades, the set of razor / epilator blades being provided with connection means to connect the set of razor / shaving blades to the shaver / epilator handle. The shaver / epilator handle can be connected to the set of razor / epilator blades in an articulated way or not; when the connection is pivotable, the connection means may comprise housing supports preferably provided in the blade unit. BRIEF DESCRIPTION OF THE DRAWINGS
    [016] Other features and advantages of the invention will be readily apparent from the following description of an embodiment, provided as non-limiting examples, referring to the accompanying drawings.
    [017] Figure 1 is a partially exploded perspective view of a shaver / epilator according to the invention.
    [018] Figure 2 is a front view of a set of razor / shaving blades according to the invention.
    [019] Figure 3 is a perspective view of the limb for skin contact of the invention.
    [020] Figure 4 is a longitudinal sectional view of the limb for contact with the skin of Figure 1 along line IV-IV.
    [021] Figure 5 is a cross-sectional view of the member for contact with the skin of Figure 2 along the V-V line.
    [022] Figure 6A is a schematic top view of the surface area for contact between the skin and the blade unit.
    [023] Figure 6B is a schematic top view of the surface area for contact between the skin and the set of razors / shavers.
    [024] Figure 7 is a graph that represents an operation window that refers to the relationship and distance between the contact plane and the shaving / waxing plane.
    [025] Figure 8 is a schematic cross-sectional view of a state of the art shaver / epilator during shaving / epilation.
    [026] Figure 9 is a schematic cross-sectional view of a shaver / epilator according to the invention during shaving / epilation.
    [027] Figure 10 is a perspective view of the shaver / epilator of the invention with a protective cover removed.
    [028] Figure 11 is a perspective view of the shaver / epilator in Figure 10 with the protective cap partially attached.
    [029] Figure 12 is a rear perspective view of the shaver / shaver in Figure 11 without the shaver / epilator handle.
    [030] Figure 13 is a front view of the shaver / epilator in Figure 10 with the protective cap attached.
    [031] Figure 14 is a side view of the shaver / epilator in Figure 13 without the shaver / epilator handle.
    [032] In the different Figures, identical reference symbols indicate similar or identical elements. DESCRIPTION OF REALIZATIONS OF THE INVENTION
    [033] The Figures illustrate a wet shaver / epilator 10 according to the invention, which comprises a shaver / epilator handle 12, a set of shaving / epilating blades comprising a blade unit 14 and a member for contact with the skin 16 that can be connected to the blade unit 14 as shown in the Figures to form a set of razor / shaving blades 18.
    [034] As shown in the Figures, the blade unit 14 has one or more shaving / shaving blades 20, each of the shaving / shaving blades 20 having a cutting edge 22. More precisely, the shaving unit blade 14 comprises a housing 24 having a front edge 24A and a rear edge 24B, an upper face 24C and an opposite lower face 24D and where one or more razor / shaving blades 20 are located (between the front edge and the rear edge). The shaving / shaving blades 20 are fixed or movably mounted on elastic grips provided in the housing or. When movable, the blades 20 can be secured in the housing 14 with clips 23. The number of razor / shaving blades 20 can be between one and five, for example, and is preferably three or four blades.
    [035] The housing 24 is preferably elongated, extending along a longitudinal geometric axis X-X.
    [036] A protection bar 26 and respectively a cover 28 can also be provided on the upper face 24C of the housing 24, respectively on the front (ie, front) of the shaving / shaving blades 20 and on the back (ie , backward or backward). When the blade unit comprises several blades 20, the front of the blade edge 22 means the front of the blade edge farther forward and the rear means the rear of the blade edge farther back.
    [037] The cover 28 can be equipped with a shaving / hair removal aid, commonly called a lubricator (such as a lubricant, a moisturizer, a conditioner and / or an exfoliator). The protection bar 26 can comprise an elastomeric material which is preferably provided with longitudinal fins (preferably parallel to the longitudinal geometric axis X-X).
    [038] The cutting edge 22 of each of the shaving / shaving blades 20 preferably extends longitudinally along the longitudinal geometric axis X-X towards the protection bar 26.
    [039] The housing 24 additionally comprises a first part 24 'located at the front of the blade edge 22 and a second part 24' 'located at the rear of the blade edge 22. As best seen in Figure 5, when the housing 24 is provided with a protection bar 26, the first part 24 'is located between the forward blade edge 22 and the protection bar 26; similarly, when the blade unit 24 is provided with a lubricator 28, the second part 24 '' is located between the rearmost blade edge 22 and the lubricator 28. Both the first part 24 'and the second part 24 '' can be reduced to a point or may not even exist.
    [040] The skin contact member 16 can be a separate member provided in a frame 30 and thus can be attached to the blade unit 14. The skin contact member 16 preferably receives the blade unit by chafing. 14 so that it can be mounted and naturally maintained in the blade unit 14; this means that the frame 30 of the skin contact member 16 is designed to cooperate with the friction with the housing 24 of the blade unit 14.
    [041] The skin contact member can also be elastically mountable on the blade unit; more precisely, the frame 30 of the skin contact member can deform elastically during connection to the blade unit 14. This means that the elasticity of the frame 30 is greater than that of the shaving / waxing housing 24.
    [042] According to the frictional forces and the elasticity of the limb for skin contact, after assembly the limb for skin contact 16 can be permanently connected to the blade unit 14 or preferably in a release way (ie, removably) connected to the blade unit 14. When the skin contact member 16 is releasably connected to the blade unit 14, the friction between the skin contact member 16 and the blade unit 14 can be in such a way that the skin contact member 16 is held in the blade unit 14 so that this allows shaving / epilation without any risk of removal. In addition, voluntary release / removal of the skin contact member 16 from the blade unit 14 can be accomplished without the use of significant force (separation of the skin contact member from the blade can be achieved without the help of any tools).
    [043] In any case, the skin contact member is fixedly attached to the blade unit. The skin contact member 16 can, for example, be snapped onto the blade unit 14. As best seen in Figures 3 and 4, one or more protrusions 32 can be provided on the frame 30 to allow attachment and to hold the skin contact member 16 firmly in the blade unit 14 after said snap fit occurs. Thus, when attached to the housing 24, the skin contact member 16 cannot move and / or displace in relation to the housing 24.
    [044] The skin contact member 16 preferably surrounds the blade unit 14 as illustrated in the Figures, but it should be understood that the present invention is not limited to this geometry.
    [045] The skin contact member 16 may comprise a front part for skin contact 34 which extends on the front of the shaving / shaving blades 20 and a rear part for skin contact 36 which extends on the part the back of the shaving / shaving blades 20. More precisely, the front part for skin contact 34 is located on the front of the blade more forward and the rear part for skin contact 36 is located on the back of the blade more for front (when the skin contact member 16 is mounted on the blade unit 14). In addition, the skin contact member 16 may comprise thermochromic pigments. Such pigments can be used to transmit information to the user; for example, pigments can color the limb for skin contact 16 blue when it is too cold to perfect shaving / hair removal; pigments can color the limb for skin contact 16 red when it is too hot to perfect shaving / waxing (and when there is a risk of burns); pigments can color the limb for skin contact 16 pink when it is ready for use. The pigments provided in the limb for skin contact 16 can, therefore, offer indications to the user since they change color according to the temperature of the limb for skin contact 16.
    [046] As best seen in Figure 5, the front skin contact 34 preferably comprises a flat front surface 34A and the rear skin contact 36 preferably comprises a rear flat surface 36A, the flat surface being front 34A and rear flat surface 36A define a contact plane P1.
    [047] In addition, the first part 24 ’and the second part 24’ ’of the housing 24 define a shaving / shaving plan P2; in other words, the shaving / shaving plane P2 is tangent to the first part 24 'and the second part 24' 'of the housing 24. When one of the first part 24' or the second part 24 '' of the housing 24 is reduced to a line, the shaving / shaving plane P2 is the plane tangent to the lines.
    [048] The blade edge 22 of each of the blades 20 provided in the housing 24 can have an exposure that is positive, negative or null (equal to zero) in relation to said shaving / epilation plane P2. When the blade unit is provided with at least two blades 20 that have the same exposure, a cutting edge plane (not shown) that corresponds to the plane in contact with the two cutting edges 22 can be defined. When the blade unit is provided with several blades 20, the exposure of the blade edges can be progressively continuous, increasing and / or decreasing from one blade to the other. The cutting edge plane is above, respectively below the shaving / shaving plane P2, when the exposure of the blades is positive, respectively negative in relation to said shaving / shaving plane P2. The cutting edge plane and the shaving / shaving plane P2 coincide when the exposure of the blades is equal to zero in relation to said shaving / shaving plane P2. When the blades are mobile, the exposure is determined in the resting position.
    [049] When connected to the blade unit 14, the contact plane P1 of the limb for skin contact 16 is substantially parallel to the shaving / shaving plane P2 defined by the housing 24 and above. Preferably, the distance D between the contact plane P1 and the shaving / shaving plane P2 is between 0.2 mm and 0.6 mm and is preferably about 0.3 mm. In other words, the first part 24 ’and the second part 24’ ’of the housing 24 are located under the contact plane P1; this leads to an improvement in shaving / waxing and a reduced risk of accidental skin cutting when the user shaves. When the distance D is greater than 0.6 mm, this leads to reduced proximity, and when it is less than 0.2 mm the shaving / shaving efficiency is reduced.
    [050] According to the exposure of the blade defined above in relation to the shaving / shaving plane P2, the blade edge 22 of each of the blades 20 can be above, below or tangent to the shaving / shaving plane P2. A negative exposure, as mentioned above in relation to the shaving / shaving plan P2, automatically leads to a negative exposure of the blades in relation to the contact plane P1. The same happens when the blade edge 22 is tangent to the shaving / shaving plane P2, a negative exposure of the blade is obtained in relation to the contact plane P1. When the exposure is positive in relation to the shaving / waxing plane P2, the exposure of the blade edge 22 in relation to the contact plane P1 can be positive, negative or equal to zero, according to the value of the positive exposure of the razor edge. blade 22 in relation to the shaving / shaving plane P2 and according to the distance D between the contact plane P1 and the shaving / shaving plane P2. When the positive exposure in relation to the shaving / shaving plane P2 of the blade edge 22 is less than D, then the exposure of the blade edge 22 is negative in relation to the contact plane P1. If the positive exposure in relation to the shaving / shaving plane P2 of the blade edge 22 is less than D, then the exposure of the blade edge 22 will be positive in relation to the contact plane P1. For example, when the exposure of the blade edge 22 is equal to 100 μm in relation to the shaving / shaving plane P2, the exposure of said blade edge 22 in relation to the contact plane P1 will be negative (where D is between 0.2 mm and 0.6 mm). In a preferred embodiment of the invention, the exposure of each of the blade edges 22 with respect to the contact plane P1 is negative.
    [051] The front part for skin contact 34 may additionally comprise a longitudinal front face 34B which is connected to the front flat surface 34A through a curved front face 34C. Likewise, the rear skin contact 36 may additionally comprise a rear longitudinal face 36B which is connected to the rear flat surface 36A through a curved rear face 36C.
    [052] The front longitudinal face 34B is preferably substantially perpendicular to the front flat surface 34A and extends longitudinally to the longitudinal geometric axis XX at the front of the housing 24. More precisely, the front longitudinal face 34B extends at the front of the edge front panel 24A of housing 24.
    [053] Furthermore, a rear longitudinal face 36B is also preferably substantially perpendicular to the rear flat surface 36A and extends longitudinally to the longitudinal geometric axis XX behind the housing 24. More precisely, the rear longitudinal face 36B extends in the part front of the rear edge 24B of housing 24.
    [054] Each longitudinal face (front 34B and rear 36B) is connected to the respective flat surface (front 34A and rear 36A) by a curved face (front 34C and rear 36C). Both the front curved face 34C and the rear curved face 36C preferably have a radius of curvature R comprised between 1 mm and 3 mm, preferably about 2 mm.
    [055] The frame 30 comprising the skin contact member 16 can, as already mentioned above, be a separate element connected to the blade unit 14 and can surround it as illustrated in the drawings. In that case, the frame 30 is preferably provided with an opening 38 through which the cutting edges 22 are accessible when mounted on the blade unit 14 as best illustrated in Figure 2. This opening 38 is preferably shaped in order to fit the housing 24. More precisely, the frame 30 comprises an inner wall which has at least two side parts 40 which cooperate respectively with the front edge 24A and the rear edge 24B of the housing.
    [056] The frame 30 may additionally comprise two transverse parts 42 that connect the front for skin contact 34 and the rear for skin contact 36 on either side of the blade unit 14.
    [057] Each transverse part 42 preferably comprises a transverse surface 42A which abuts a part of the upper face 24C of the housing 24 and the side face 42B. The transverse surface 42A is preferably connected to the side face 42B through a curved face 42C which has a curvature of radius R which is preferably about 2 mm. The transverse surfaces are shaped so that they fit with the upper face 24C; in fact, as the blade unit 14 illustrated in the figures is provided with claws 23, the transverse surfaces are shaped so that they fit over and over the claws 23.
    [058] The side faces 42B, the front longitudinal face 34B and the rear longitudinal face 36B are connected in order to form a peripheral wall of the frame 30, said peripheral wall adjoining the housing 24. This peripheral wall is provided with a rounded corner between each of the side faces 42B and the respective front longitudinal face 34B and the rear longitudinal face 36B, as best seen in Figure 3.
    [059] The geometry of the frame 30, especially the lateral parts 40 and the transverse surfaces 42A thereof, taken in combination with the protrusions 32, leads to an improvement in the assembly and maintenance of the frame 30 in the housing and thus leads to a control best of the distance D between the contact plane P1 and the shaving / shaving plane P2 as best shown in Figure 5. The protrusions 32 can be located anywhere on the frame 30 so that they are in contact with the housing 24 As shown in Figures 3 and 4, two protrusions can be provided on the inner side of the frame 30 preferably laterally opposite each other on a side face 42B (as defined below) of the frame 30, between the lateral parts 40. These protuberances 32 are designed to contact housing 24, more precisely with the recesses 33 provided in housing 24 (as best seen in Figure 1).
    [060] In order to optimize shaving / epilation, the set of razors / epilators according to the invention has a specific configuration. More precisely, a surface area for contact between the skin and the blade unit S1 can be defined in relation to the blade unit 14 and a surface area for contact between the skin and the shaving / shaving blade set S2 can be defined. defined in relation to "blade unit 14 and the skin contact member 16".
    [061] As illustrated schematically in Figure 6A, such a surface area for contact between the skin and the blade unit S1 corresponds to the surface of the blade unit in contact with the skin during shaving / epilation; in fact, the surface area for contact between the skin and the blade unit S1 comprises the upper face 24C of the housing (with the protection bar 26 and the lubricator 28) and the claws 23. The blades contained in the housing are not considered since their contact with the skin is more or less null. In addition, when the blades are mobile, that contact surface changes during shaving / waxing, but does not change the area and relationships. These remain the same.
    [062] As shown schematically in Figure 6B, the surface area for contact between the skin and the razor / shaving blade set S2 corresponds to the surface of the skin contact member 16 and the accessible surface of the blade unit accessible through of the limb for skin contact 16 and in contact with the skin during shaving / epilation; more precisely, the accessible surface of the blade unit is the lubricator and guard that are on the shaving / shaving head plane, which is at a vertical distance with the adapter top surface plane; in fact, the surface area for contact between the skin and the razor / shaving blade set S2 comprises the two transverse surfaces 42A, the rear flat surface 36A, the rear flat surface 36A and a part of the upper face 24C of the housing ( with the protection bar 26 and the lubricator 28); in the embodiment illustrated in the Figures, although there are claws 23 provided in the blade unit 24, they are not considered since they are covered by the transverse surfaces 42A. If the blades are attached to the housing with another element other than said claws, they may or may not be considered for the surface area for contact between the skin and the set of razor / shaving blades S2 according to the position in relation to the opening provided in the limb for skin contact. In addition, as explained above, the blades contained in the housing are also not considered.
    [063] In fact, during shaving / epilation, the shaver / epilator 10 is applied against the skin to be shaved; some parts of the shaver / epilator thus come into contact with the skin and forces act in reaction to this application of the shaver / epilator against the skin S. The distribution of forces must be connected to the surface of the shaver / epilator in contact with the skin . The invention should optimize the surface in contact with the skin in order to obtain a safer shaving / shaving and provide a pleasant shaving / shaving experience (skin hydration, smoothness and / or improved sliding and reduced shaving / shaving time).
    [064] If shaving / hair removal takes place with a shaver / epilator equipped with a blade unit 14 in which no skin contact member 16 is provided (ie a state of the art shaver / epilator), the skin will deform as illustrated schematically in Figure 8 with a deformation or penetration of the skin of H1.
    [065] If shaving / epilation occurs with a shaver / epilator equipped with a blade unit 14 in which a skin contact member 16 is provided, the skin will deform as illustrated schematically in Figure 9 with a deformation or penetration of the skin of H2.
    [066] It is clearly evident that the skin deforms differently when the shaver / epilator is provided with a skin contact member 16 according to the invention. A smoother contact is obtained with the shaver / epilator of the invention. The height H2 is always less than H1.
    [067] In addition, during shaving / epilation the shaver / epilator applies an FH force against the skin with a shaver / epilator handle; in response, a total FTotal force occurs. To facilitate the presentation, the arrows show the distribution of the forces of interest, in which: FA: The reaction force of the skin to the limb for contact with the skin 16FB1: The reaction force of the skin to the shaver / epilator in the case that none skin contact member 16 is usedFB2: The reaction force applied from the skin to the shaving / shaving head in the case where the skin contact member 16 is used.
    [068] The two forces FH and FTotal are equal in both cases (with and without the limb for skin contact 16).
    [069] Referring to the shaver / epilator in Figure 6A (without the limb for skin contact 16), the total force FTotal is in this case equal to the force applied from the skin to the shaver / epilator, that is, FTotal = FB1 = FH.
    [070] Referring to the shaver / epilator of the invention as illustrated in Figure 9 (with the skin contact member 16), the total force FTotal is in this case equal to the force applied from the skin to the shaver / epilator, or that is, FTotal = FA + FB2 = FH.
    [071] Without the limb for skin contact 16, the shaver / epilator causes an intense deformation that creates the H1 depth in the skin. In addition, the concentration of the FB1 contact forces is a result of the FH Force that is applied to the skin in an area equal to the front area of the shaving / shaving head which is significantly smaller compared to the front area of the skin protector. The skin contact member 16 is in contact with the skin and absorbs a greater percentage of the total forces. As a result, less force is applied to the skin from the blades than in the previous case where no limb for skin contact 16 is used: | FB2 | <| FA |, | FB2 | <| FB1 |.
    [072] As seen in Figure 9, with the skin contact limb 16, the FH Force is distributed over a larger area under the shaver / epilator and the skin contact limb 16 causes significantly less intense skin deformation and smoother, creating a depth H2 that is less than H1; the shape of the local skin deformation is also reduced when a skin contact member 16 is provided. As a result, the skin protector adapter provides a safe distance between the blades and the skin with an improved glide, thus reducing cuts.
    [073] As shown in the graph shown in Figure 7, the best results for shaving / hair removal, slipping and safety, while reducing the time required to shave / shave, is obtained when the S2 / S1 ratio between the surface area for contact between the skin and the razor / shaving blade set S2 and the surface area for contact between the skin and the S1 blade unit is between 2 and 3.1. The shaving / hair removal efficiency is reduced when the S2 / S1 ratio is less than 2 and the shaving / hair removal accuracy is reduced when the S2 / S1 ratio is greater than 3.1.
    [074] In fact, the preferred results of shaving / shaving (cutting, softness, sliding, etc.) are obtained with a set of razor / shaving blades that have an S2 / S1 ratio between 2 and 3.1 and a distance D between the contact plane P1 and the shaving / shaving plane P2 between 0.2 mm and 0.6 mm; preferably, the nominal values for which the best results have been obtained can be an ideal design of the razor / shaving set in which the S2 / S1 ratio is about 2.5 and the distance D is about 0.3 mm.
    [075] Various types of materials can be used for the skin contact member 16. The skin contact member 16 is, however, preferably produced in one piece and comprises a single material. Preferred materials can be chosen from plastic (such as ABS or highly polished thermoplastic) and metal (such as light alloy aluminum) or addition of varnished wood. The roughness of the limb material for skin contact 16, especially for the front flat surface 34A and the rear flat surface 36A is such that the coefficient of friction against the skin leads to a good stretching of the skin and a good sliding. For example, the coefficient of friction can be comprised between 0.3 and 0.7 when the skin contact member 16 comprises a plastic as mentioned above. The coefficient of friction can be comprised between 1.05 and 1.35 when the skin contact member 16 comprises a metal as mentioned above. The friction coefficient can be comprised between 0.25 and 0.5 when the skin contact member 16 comprises addition of varnished wood as mentioned above. Such a skin contact member 16 is as if lubricated.
    [076] The skin contact member 16 according to the invention acts against the skin especially in the stretching of the skin at the front of the blade edges 22 so that the hair extends more or more perpendicular to the contact plane P1. In addition, the skin contact member 16 according to the invention acts against the skin by spreading any shaving / shaving aid (such as shaving / shaving cream and ordinary soap) possibly placed on the skin; the penetration of the shaving / epilation aid is improved. The skin is better hydrated when the shaving / shaving aid comprises a moisturizing product.
    [077] We will now reveal an example of the geometry of a set of razor / shaving blades 18 according to the invention. The skin contact member 16 can have a length L1 along the longitudinal geometric axis X-X comprised between 40 mm and 50 mm, preferably about 45 mm. The skin contact member 16 can have a width L2 taken substantially perpendicular to the longitudinal geometric axis X-X comprised between 20 mm and 30 mm, preferably about 25 mm. These dimensions are measured at their maximum values, especially when the skin contact member 16 has curved side faces 42B as illustrated in the figures. The skin contact member 16 is preferably symmetrical with respect to the longitudinal geometric axis X-X. The opening 38 of the member for contact with the skin 16 is preferably centered thereon. The dimensions of the same are adapted to fit in the housing 24 of the blade unit 14; for example, for a blade unit provided with three blades 20 and claws 23, the opening 38 is preferably substantially rectangular seen from the top and may have a length L3 taken along the longitudinal geometric axis XX between 30 mm and 40 mm, preferably 35 mm and a width L4 taken substantially perpendicular to the longitudinal geometric axis XX comprised between 8 mm and 20 mm, preferably about 12 mm.
    [078] The dimensions L1 and L3 above taken along the longitudinal geometric axis X-X are preferably equal when measured on the upper side of the limb for contact with the skin 16 or on the lower side thereof. Each of the side faces 42B is preferably flat and perpendicular to the contact plane P1 defined by the front flat surface 34A and the rear flat surface 36A.
    [079] The dimensions L2 and L4 above taken perpendicular to the longitudinal geometric axis X-X are preferably slightly variable along the height of the surfaces. More precisely, the length L2 is preferably measured on the underside (between the free ends of the front longitudinal face 34B and the rear longitudinal face 36B; respectively on the opposite side of the front curved face 34C and the rear curved face 36C) of the member for contact with the skin 16; it may be less important when measured on the upper side of the limb for skin contact 16. The longitudinal front face 34B and the longitudinal rear face 36B can be slightly inclined with respect to a side perpendicular to the contact plane P1. In fact, preferably each of the longitudinal front face 34B and the rear longitudinal face 36B can have an angle α measured with respect to the contact plane P1 which is comprised between 85 ° and 95 °, preferably about 92 °.
    [080] The lateral parts 40 of the inner wall of the contact member with the skin 16 fit into the housing 24 and can also be slightly inclined with respect to a side perpendicular to the contact plane P1. Thus, the value determined for the width L4 is measured on the upper side of the limb for contact with the skin 16. In fact, L3 and L4, which correspond to the dimensions of the opening 38, are preferably measured on the upper side of the limb for contact with the skin. skin 16 in order to guarantee a sufficiently important opening so that the blades 20, the protection bar 26 and the lubricator 28 are accessible through the opening 38 during shaving / epilation.
    [081] The height H of the limb for skin contact 16 can be measured between the contact plane P1 and the free ends of the longitudinal front face 34B and the longitudinal rear face 36B (respectively on the opposite side of the curved front face 34C and the rear curved face 36C) and is preferably between 3 mm and 7 mm, preferably about 5 mm.
    [082] The razor / epilator blade set is provided with connection means to connect the razor / epilator blade set 18 to the shaver / epilator handle 12. More precisely, both the blade unit 14 and the member for contact with the skin 16 can be provided with connection means to connect the razor / epilator blade set 18 to the shaver / epilator handle 12. According to the connection means, the connection between the shaver / epilator handle 12 and the razor blade set shaving / shaving 18 is fixed or articulated.
    [083] In the examples illustrated in the figures, the connection means 44 (as best seen in Figure 5) allows for an articulation of the razor / epilator blade set 18 in relation to the shaver / epilator handle 12 (around the geometric axis elongated XX), but the invention is not limited to a set of articulating razors / shavers. As shown, the connection means 44 is preferably provided in the blade unit 14 (on the bottom face 24D of the housing 24).
    [084] Connecting means 44 may comprise wrapping supports, especially when the set of razor / shaving blades 18 is pivotable in relation to the shaver / epilator handle 12, but the invention is not limited to this type of connecting means. In addition, the handle 12 can be removable from the blade unit 14 or non-removable according to the shaver / epilator; more precisely, the handle 12 is removable when the shaver / epilator is system (that is, the blade unit 14 is replaced by a newer one when the blades 20 are no longer sharp, while the handle 12 is maintained), while the handle it is non-removable when the shaver / epilator is disposable (ie both blade unit 14 and handle 12 are replaced with new ones when the blades are no longer sharp).
    [085] The skin contact member 16 preferably receives the blade unit 14 with friction so that it can be mounted and naturally maintained in the blade unit 14; this means that the frame 30 of the skin contact member 16 is designed to cooperate with friction with the housing 24 of the blade unit 14.
    [086] The skin contact member can also be elastically mountable on the blade unit; more precisely, the frame 30 of the skin contact member may deform elastically during connection to the blade unit 14. This means that the elasticity of the frame 30 is greater than that of the shaving / waxing housing 24. In this sense, the internal wall and especially the side parts 40 can have a non-contiguous shape and can be provided with corrugations in order to increase the elasticity of the internal wall especially during the assembly of the skin contact member 16 in the housing 24.
    [087] According to the frictional forces and the elasticity of the skin contact member, after assembly the skin contact member 16 can be permanently connected to the blade unit 14 or preferably in a release way (ie, removably) connected to the blade unit 14. When the skin contact member 16 is releasably connected to the blade unit 14, the friction between the skin contact member 16 and the blade unit 14 can be in such a way that the skin contact member 16 is held in the blade unit 14 so that it allows shaving / epilation without any risk of removal. In addition, voluntary release / removal of the skin contact member 16 from the blade unit 14 can be accomplished without the use of significant force (separation of the skin contact member from the blade unit can be achieved). obtained without the help of any tools).
    [088] Referring to Figures 10 to 14, in order to protect the shaving / shaving blade set 18 (at least the blade unit 14, more precisely the blade edges 22) especially against dirt, and in order to To protect the user from accidental cuts, the shaving / shaving blade set 18 can be fitted with a protective cover 46 to protect each cutting edge 22.
    [089] Preferably, the protective cap 46 is completely removable (see Figure 10) from the razor / shaving blade set 18 and is preferably slidable on the razor / shaving blade set 18 so that it can be easily placed on the shaving set. razor blades 18 and released from it. The protective cover 46 can be provided with at least one lock that cooperates with a corresponding lock slot formed to receive the lock and provided in the skin contact member 16 in order to keep the protective cover 46 in a complete stop position on the shaving / shaving blade set 18 as best illustrated in Figure 13 where the protective cover 46 more or less fully covers the shaving / shaving blade set 18. Thus, the protective cover 46 cannot be accidentally removed from the shaving set shaving / shaving blades 18.
    [090] In fact, as best seen in Figure 10, the protective cover 46 can, for example, be provided with two latches 48 provided on the face of the rear protective cover 46 to cooperate with two respective locking slots 50 provided in the member for contact with skin 16, as best seen in Figures 3 and 4.
    [091] The protective cover 46 comprises an upper face 51 that can be provided with openings 52 to allow aeration of the set of razor / shaving blades 18. In fact, as best seen in Figures 10, 11 and 13, four openings 52 are provided, for example, on the upper face 51, two of which are on the front of the front for skin contact 34 and two of these are on the front of the rear for skin contact 36 as best visible on the Figure 13 in the complete stop position.
    [092] Flaps 56 are provided on the rear face of protective cap 46. More precisely, as best seen in Figures 10 and 12, four flaps 56 are provided so that protective cap 46 can confine the set of razor blades / shave 18 when slid on it. The flaps 56 and the upper face 51 define a volume in which the set of razor / epilator blades 18 can be received when the protective cap 46 is slid on the shaver / epilator. The protective cap 46 can additionally comprise a lower support 58 which forms a support for the protective cap 46 when it is slid on the shaving / shaving blade set 18.
    [093] Each of the abovementioned locks 48 may comprise a rib 48 and may be provided on the inner surface of the flaps 56. For example, a first lock 48 is provided on one of the flaps 56 on the front side for skin contact 34 and a second lock is provided on one of the flaps 56 on the back side for skin contact 36. A first lock slot 50 can be provided correspondingly in the protective cover 46 on the front side for skin contact 34 and a second latch 50 can be provided on the protective cover 46 on the back side for skin contact 36. In fact, several latches and latch slits can be provided. For example, a latch 48 can be provided on each of the four tabs 56 in order to be snapped into four corresponding latch slots 50 as shown in Figure 12. Similarly, the latches are provided on the protective cover 46 and on the locking slits in the limb for skin contact 16, but the opposite is possible (the locks are provided in the limb for skin contact 16 and the locking slots in the protective cover 46) or a combination (locking locks and slots are provided on the skin contact member 16 and lock and lock slots are provided on the protective cover 46). In summary, at least one lock and a lock slot are provided on the limb for contact with the skin 16 and on the protective cover 46.
    [094] When the protective cap 46 is completely slid on the shaving / shaving blade set 18, it is in the full stop position and the latches 48 are located in the lock slots 50. The protective cap 46 has the ability to slide on the shaving / shaving blade set 18 until the locks 48 snap into place in the lock slots 50.
    [095] Referring to Figure 14, the connection means 44 are still accessible when the protective cap 46 is connected to the razor / epilator blade set 18. In fact, it is not necessary to remove the shaver / epilator handle 12 from the set of shaving / shaving blades 18 to fix / remove the protective cover 46.
    [096] The protective cover 46 can comprise a material chosen from plastic, for example ABS, polypropylene, etc. It is preferably molded in one piece.
    权利要求:
    Claims (21)
    [0001]
    1. SHAVING / STYLING BLADE SET comprising a blade unit (14) and a skin contact member (16), the blade unit (14) comprising at least one shaving / shaving blade (20) which it has a cutting edge (22) and the blade unit (14) has a shaving / shaving plane (P2), where the skin contact member (16) comprises a front part for skin contact (34 ) that extends in front of the razor / shaving blades (20) and a rear part for contact with the skin (36) that extends in the rear of the razor / shaving blades (20), where the front for contact with the skin (34) comprises a flat front surface (34A) and the rear part for contact with the skin (36) comprises a flat back surface (36A), the flat front surface (34A) and the flat back surface ( 36A) define a contact plane (P1), and where the contact plane (P1) and the shaving / waxing plane (P2) are for lelos; characterized by the distance (D) between the contact plane (P1) and the shaving / shaving plane (P2) is between 0.2 mm and 0.6 mm.
    [0002]
    2. SHAVING / DEPILLING BLADE SET, according to claim 1, characterized in that the blade unit (14) has a surface area for contact between the skin and the blade unit (S1), a blade unit (14) and the skin contact member (16) has a surface area for contact between the skin and the set of razor / shaving blades (S2), where the relationship (S2 / S1) between a surface area for contact between the skin and the set of razor / shaving blades (S2) and a surface area for contact between the skin and the razor unit (S1) is between 2 and 3.1.
    [0003]
    3. SHAVING / DEPILING BLADE SET, according to any one of claims 1 to 2, characterized in that the blade unit (14) additionally comprises a guard (26) and a cover (28).
    [0004]
    4. SHAVING / DEPILLING BLADE SET, according to any one of claims 1 to 3, characterized in that the skin contact member (16) is fixedly attached to the blade unit (14).
    [0005]
    5. SHAVING / DEPILING BLADE SET, according to any one of claims 1 to 4, characterized by the skin contact member (16) surrounding the blade unit (14).
    [0006]
    6. SHAVING / DEPILING BLADE SET, according to any one of claims 1 to 5, characterized in that the skin contact member (16) comprises a skin contact front part (34) which extends at the front of the razor / epilator blade (20) and a rear part for contact with the skin (36) that extends on the back of the razor / epilator blade (20).
    [0007]
    7. SHAVING / DEPILING BLADE SET, according to any one of claims 1 to 6, characterized in that the front part for contact with the skin (34) comprises a flat front surface (34A) and the rear part for contact with the skin ( 36) comprises a flat rear surface (36A), the flat front surface (34A) and the flat rear surface (36A) defining a contact plane (P1).
    [0008]
    8. SHAVING / DEPILING BLADE SET, according to any one of claims 1 to 7, characterized in that the front part for contact with the skin (34) additionally comprises a longitudinal front face (34B) which is connected to the flat front surface (34A ) through a front curved face (34C) and the rear skin contact part (36) additionally comprising a longitudinal rear face (36B) which is connected to the rear flat surface (36A) via a rear curved face ( 36C).
    [0009]
    9. SHAVING / DEPILING BLADE SET, according to any one of claims 1 to 8, characterized in that the longitudinal front face (34B) is perpendicular to the flat front surface (34A) and in which the front curved face (34C) has a radius curvature (R) of 2 mm.
    [0010]
    10. SHAVING / DEPILLING BLADE SET, according to any one of claims 8 to 9, characterized in that the longitudinal rear face (36B) is perpendicular to the rear flat surface (36A) and in which the rear curved face (36C) has a radius curvature (R) of 2 mm.
    [0011]
    11. SHAVING / DEPILING BLADE SET, according to any one of claims 7 to 10, characterized in that the contact plane (P1) is above a shaving / shaving plane (P2).
    [0012]
    12. SET OF SHAVING / DEPILING BLADES, according to any one of claims 1 to 11, characterized in that the contact plane (P1) and the shaving / epilation plane (P2) are parallel in which the distance (D) between the plane contact (P1) and the shaving / shaving plane (P2) is between 0.2 mm and 0.6 mm.
    [0013]
    13. SHAVING / DEPILING BLADE SET, according to any one of claims 1 to 12, characterized by the relationship (S2 / S1) between the surface area for contact between the skin and the shaving / shaving blade set (S2) and the surface area for contact between the skin and the blade unit (S1) is 2.5 and the contact plane (P1) and the shaving / shaving plane (P2) are parallel and the distance (D) between the contact plane (P1) and the shaving / waxing plane (P2) is 0.3 mm.
    [0014]
    14. SHAVING / DEPILING BLADE SET, according to any one of claims 1 to 13, characterized in that the skin contact member (16) comprises a material chosen from plastics, metals and / or addition of varnished wood, and in which the skin contact member (16) has a coefficient of friction between 0.3 and 0.7 when it comprises a plastic, a coefficient of friction between 1.05 and 1.35 when it comprises a metal or a coefficient of friction between 0.25 and 0.5 when it includes addition of varnished wood.
    [0015]
    15. SHAVING / DEPILING BLADE SET, according to any one of claims 1 to 14, characterized in that the skin contact member (16) is pressed into the blade unit (14).
    [0016]
    16. SHAVING / DEPILLING BLADE SET, according to any one of claims 1 to 15, characterized in that it additionally comprises a protective cover (46) to protect the cutting edge (22).
    [0017]
    17. SHAVING / DEPILING BLADE SET, according to any one of claims 1 to 16, characterized in that the protective cover (46) is slidable and is provided with a lock (48) to keep the protective cover (46) in a position of complete stop.
    [0018]
    18. SHAVING / STYLING BLADE SET, according to any one of claims 1 to 17, characterized in that the member for contact with the skin (16) comprises a lock slot (50) formed to receive the lock (48) of the protective cover (46).
    [0019]
    19. SHAVING / DEPILING SLIDE SET, according to any one of claims 1 to 18, characterized in that the skin contact member (16) comprises thermochromic pigments.
    [0020]
    20. SHAVER / DEPILER characterized by comprising a shaver / epilator handle and a set of razor / epilator blades as defined in any one of claims 1 to 19, wherein the set of razor / epilator blades (18) is provided with means connector (44) to connect the shaving / shaving blade set (18) to the shaver / epilator handle (12).
    [0021]
    21. SHAVER / DEPILATOR according to claim 20, characterized in that the connection means comprise housing supports (44) provided in the blade unit (14).
    类似技术:
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    BR112015031687B1|2021-03-30|SHAVING / SHAVING AND SHAVING / SHAVING BLADE SET
    KR102351072B1|2022-01-13|A shaving blade assembly comprising a blade unit and a skin contact member and a razor comprising a razor handle and such a shaving blade assembly
    US9327414B2|2016-05-03|Pivoting razor
    CN107214738B|2020-07-14|Body scraper and method of use thereof
    US9643327B2|2017-05-09|Wet shaving razor
    RU2630739C2|2017-09-12|Component for placing sliding element to be used in razor set
    KR20110093846A|2011-08-18|Shaving cartridge cap having flow channels
    US10987820B2|2021-04-27|Adjustable body shaver, system and method
    GB2450916A|2009-01-14|Interchangeable fine trim and normal wet razor
    同族专利:
    公开号 | 公开日
    US20140373362A1|2014-12-25|
    JP6208339B2|2017-10-04|
    US20140373361A1|2014-12-25|
    CA2915126A1|2014-12-24|
    CN105339142A|2016-02-17|
    EP3950241A1|2022-02-09|
    JP2016522057A|2016-07-28|
    CN105339142B|2018-06-29|
    US9434080B2|2016-09-06|
    US10549436B2|2020-02-04|
    MX2015017670A|2016-03-03|
    WO2014202139A1|2014-12-24|
    PL3010685T3|2021-12-20|
    EP3010685B1|2021-09-22|
    KR102067749B1|2020-01-17|
    KR20160021853A|2016-02-26|
    CA2915126C|2020-01-14|
    BR112015031687A2|2017-07-25|
    EP3010685A1|2016-04-27|
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    法律状态:
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-11-19| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
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    申请号 | 申请日 | 专利标题
    PCT/EP2013/062811|WO2014202139A1|2013-06-19|2013-06-19|Shaving blade assembly|
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