• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    heated shaver or epilator. it is a razor or shaving cartridge 12 with a housing (18) that has a shield (20), a lid (22) and one or more blades (24) located between the shield and the lid. the bulkhead is positioned in front of one or more blades, and the cover is positioned behind said one or more blades. a heating element (16) is mounted in the housing to transfer heat during a shaving or shaving movement. the heating element includes a skin contact surface (30) and an opposite bottom surface (34) defined by a perimeter wall. an insulating member (40) is positioned within the perimeter wall. the insulating member has a first surface (42) facing the bottom surface of the heating element and a second surface (44).
    公开号:BR112016016306B1
    申请号:R112016016306-0
    申请日:2015-01-12
    公开日:2021-03-30
    发明作者:Matthew James Hodgson；Norbert Broemse；Klaus Heubach；Timo Schmitt；Maurice Schirmer；Felix Koenig；Juergen Behrendt
    申请人:The Gillette Company；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    [0001] The present invention relates to razors or shavers and, more specifically, heated razors or shavers for wet shaving or epilation. BACKGROUND OF THE INVENTION
    [0002] Users of shaving or wet hair removal devices generally enjoy a feeling of warmth against their skin during shaving or hair removal. The heat feels good, resulting in a more comfortable shaving or waxing experience. Several attempts have been made to provide a warm feeling during shaving or epilation. For example, shaving or shaving creams have been formulated to react exothermically when released from the shaving or waxing tube, so that the shaving or shaving cream gives the skin a warm feeling. In addition, heads for shaving or hair removal devices were heated using hot air, heating elements and laser beams with linear scanning powered by a power source such as a battery. Razors or shaving blades were also heated inside a shaver or shaving cartridge. The disadvantage of heated blades is that they have minimal surface area in contact with a user's skin. This minimal area of skin contact provides a relatively inefficient mechanism for heating the user's skin during shaving or epilation. However, applying more heat to the skin raises safety concerns (for example, burns or discomfort).
    [0003] Consequently, there is a need to obtain a razor or epilator that is capable of applying a safe and reliable heating, which is noticed by the consumer during a shaving or waxing movement. SUMMARY OF THE INVENTION
    [0004] The invention presents, in general, a simple and efficient shaving or shaving system, having a housing that with a shield, a lid and one or more blades located between the shield and the lid. The bulkhead is positioned in front of one or more blades, and the cover is positioned behind said one or more blades. A heating element is mounted in the housing to transfer heat during a shaving or shaving movement. The heating element includes a skin contact surface and an opposite bottom surface, defined by a perimeter wall. An insulating member is positioned within the perimeter wall. The insulating member has a first surface facing the bottom surface of the heating element and a second surface.
    [0005] The details of one or more embodiments of the invention are demonstrated in the accompanying drawings and in the description below. It is understood that certain embodiments may combine elements or components of the invention, which are disclosed in general, but are not expressly exemplified or claimed in combination, except where otherwise specified in the present invention. Other features and advantages of the invention will be evident from the description and the drawings, as well as from the claims. BRIEF DESCRIPTION OF THE DRAWINGS
    [0006] Although the specification ends with claims that specifically point out and claim differently the matter that is considered to be the present invention, it is believed that the present invention will be more fully understood with the following description, together with the attached drawings.
    [0007] Figure 1 is a perspective view of a possible modality of a razor or shaving system.
    [0008] Figure 2 is a view of the set of a possible modality of a heating element and insulating member that can be incorporated into the shaving or shaving system of Figure 1.
    [0009] Figure 3 is a view of the razor or shaving cartridge assembly in Figure 1.
    [0010] Figure 4 is a bottom view of the razor or shaving cartridge in Figure 3.
    [0011] Figure 5 is a schematic view of an electrical circuit that can be incorporated into the system for shaving or shaving in Figure 1. DETAILED DESCRIPTION OF THE INVENTION
    [0012] With reference to Figure 1, a possible embodiment of the present disclosure is shown illustrating a shaving or shaving system 10. In certain embodiments, the shaving or shaving system 10 may include a razor cartridge or epilate 12 mounted on a handle 14. The razor or epilator cartridge 12 can be fixedly or pivotally mounted in relation to the handle 14, depending on the desired overall cost and performance. The cable 14 may contain a power supply, such as one or more batteries (not shown) that supply power to a heating element 16. In certain embodiments, the heating element 16 may comprise a metal, such as aluminum or steel.
    [0013] The shaving or shaving cartridge 12 can be permanently attached or removably mounted in relation to the handle 14, thus allowing the shaving or shaving cartridge 12 to be replaced. The razor or shaving cartridge 12 can have a housing 18 with a shield 20, a cap 22 and one or more blades 24 mounted in the housing 18, between the cap 22 and the shield 20. The shield 20 can be in the direction of a front portion of the housing 18 and the lid 22 may be towards a rear portion of the housing 18 (i.e., the bulkhead 20 is in front of the blades 24 and the cover is behind the blades 24). The bulkhead 20 and the cap 22 can define a shaving or shaving plane that is tangential to the bulkhead 20 and the cap 22. The bulkhead 20 can be a solid or segmented bar that generally extends parallel to the blades 24. In certain embodiments, the heating element 16 may be positioned in front of the screen 20. heating element 16 may comprise a skin contact surface 30 that applies heat to a consumer's skin during a shaving or waxing movement for an enhanced shaving experience or hair removal. The heating element can be mounted on the shaving or shaving cartridge 12 or on a portion of the handle 14.
    [0014] In certain embodiments, the bulkhead 20 may comprise a skin contact member 26 (e.g., a plurality of fins) in front of the blades 24 to stretch the skin during a shaving or shaving movement. In certain embodiments, the skin contact member 24 can be injection molded and inserted or co-injected into housing 18. However, other known mounting methods can also be used as adhesives, ultrasonic welding or mechanical closures. The skin contact member 26 can be molded from a softer material (ie, with a low durometer hardness) than the housing 18. For example, the skin contact member 26 may have a Shore hardness. From about 20, 30, or 40 to about 50, 60, or 70. The skin contact member 26 can be made of thermoplastic elastomers (TPEs - thermoplastic elastomers) or rubbers; Examples may include, but are not limited to, silicones, natural rubber, butyl rubber, nitrile rubber, styrene-butadiene rubber, styrene-butadiene-styrene (SBS) TPEs, styrene TPEs (for example, Kraton) -ethylene-butadiene-styrene (SEBS), polyester TPEs (eg, Hytrel), polyamide TPEs, polyurethane TPEs, polyolefin based TPEs and blends of any of these TPEs (eg polyester blend / SEBS). In certain embodiments, the skin contact member 26 may comprise Kraiburg HTC 1028/96, HTC 8802/37, HTC 8802/34, or HTC 8802/11 (KRAIBURG TPE GmbH & Co. KG, of Waldkraiburg, Germany). A softer material can improve the stretch of the skin, as well as provide a more pleasant tactile sensation against the user's skin during shaving or waxing. A softer material can also help to mask the less pleasant touch of the harder material in the housing 18 and / or the fins against the user's skin during shaving or epilation.
    [0015] In certain embodiments, the blades 24 can be mounted in the housing 18 and secured by one or more clips 28a and 28b. Other assembly methods known to those skilled in the art can also be used to secure and / or assemble blades 24 in housing 18 including, but not limited to, wire winding, cold forming, hot stacking, insertion molding, welding ultrasonic, and adhesives. Clips 28a and 28b can comprise a metal, such as aluminum, to conduct heat and act as a sacrificial anode to help prevent corrosion of blades 24. Although five blades 24 are shown, housing 18 may have more or less blades, depending on the desired performance and cost for the razor or shaving cartridge 12.
    [0016] In certain embodiments, it may be desirable to provide heat in front of the blades 24. For example, the heating element 16 can be positioned in front of the bulkhead 20 and / or the skin contact member 26. The heating element 16 may have a skin contact surface 30 to apply heat to the skin surface during a shaving or shaving movement. As will be described in more detail below, the heating element 16 can be mounted in the housing 18 and in communication with the power supply (not shown). The heating element 16 can be connected to the power supply via a flexible circuit 32.
    [0017] Cap 22 can be a separate molded component (for example, a reservoir filled with shaving or epilation aid) or extruded (for example, an extruded lubricating strip) that is mounted in housing 18. In certain embodiments, the cap 22 can be a plastic or metal bar to support the skin and define the shaving or waxing plan. The cap 22 can be molded or extruded from the same material as the housing 18 or it can be molded or extruded from a shaving or waxing composite plus lubricant that has one or more water-leachable shaving or waxing auxiliary materials for provide more comfort during shaving or waxing. The shaving or waxing auxiliary composite may comprise a water-insoluble polymer and a water-soluble polymer lubricant for the skin. Suitable water-insoluble polymers that can be used include, but are not limited to, polyethylene, polypropylene, polystyrene, butadiene-styrene copolymer (e.g. medium and high impact polystyrene) polyacetal, acrylonitrile-butadiene-styrene copolymer, copolymer ethylene-vinyl acetate and mixtures such as a polypropylene / polystyrene blend, can have a high impact polystyrene (ie polystyrene-butadiene), such as Mobil 4324 (Mobil Corporation).
    Suitable water-soluble polymers for skin lubrication may include polyethylene oxide, polyvinyl pyrrolidone, polyacrylamide, hydroxy propyl cellulose, polyvinyl imidazoline, and polyhydroxyethylmethacrylate. Other water-soluble polymers may include polyethylene oxides, commonly known as POLYOX (available from Union Carbide Corporation), or ALKOX (available from Meisei Chemical Works, Kyota, Japan). These polyethylene oxides can have molecular weights of about 100,000 to 6 million, for example, about 300,000 to 5 million. Polyethylene oxide can comprise a blend of about 40 to 80% polyethylene oxide that has an average molecular weight of about 5 million (for example, POLYOX COAGULANT) and about 60 to 20% of polyethylene oxide that has a molecular weight average of around 300,000 (for example, POLYOX WSR-N-750). The polyethylene oxide blend may also contain up to about 10% by weight of a low molecular weight polyethylene glycol (i.e., PM <10,000), such as PEG-100.
    [0019] The composite of shaving or waxing aids can also optionally include an inclusion complex of a skin softening agent with a low molecular weight water-soluble release agent for cyclodextrin, such as polyethylene glycol (for example, 1 to 10% by weight), a water-swelling release enhancing agent such as cross-linked polyacrylics (eg, 2 to 7% by weight), dyes, antioxidants, preservatives, microbicidal agents, beard softeners, astringents, depilatories, medicinal agents, conditioning agents, humectants, cooling agents, etc.
    [0020] With reference to Figure 2, a possible embodiment of a heating element is shown that can be incorporated into the shaving or shaving system of Figure 1. Heating element 16 can have a bottom surface 34 opposite the surface skin contact 30. A perimeter wall 36 can define the bottom surface 34. Perimeter wall 36 can have one or more legs 38 extending from the perimeter wall 36, transversely and in the opposite direction to the surface bottom 34. For example, Figure 2 illustrates four legs 38 extending from the perimeter wall 36. As will be explained in more detail below, legs 38 can facilitate the location and attachment of the heating element 16 during the assembly process. An insulating member 40 may be positioned within the perimeter wall 36. In certain embodiments, the insulating member 40 may comprise ceramic or other materials that have high thermal conductivity and / or excellent electrical insulation properties. The insulating member 40 can have first surface 42 (see Figure 3) facing the bottom surface 34 of the heating element and a second surface 44 opposite the first surface 42. The perimeter wall 36 can help contain and locate the insulating member 40. In certain embodiments, the insulating member 40 can be attached to the bottom surface 34 by various bonding techniques generally known to those skilled in the art. It is understood that the perimeter wall 36 can be continuous or segmented (for example, a plurality of legs or indentations).
    [0021] The second surface 44 of the insulating member 40 can comprise a conductive heating rail 46 that extends around a perimeter of the insulating member 40. An electrical circuit track 48 can also extend around a perimeter of the second surface 44. In certain embodiments, the electrical circuit track 48 can be positioned within the heating track 46. The electrical circuit track 48 can be spaced in relation to the heating track 46. The electrical circuit track 48 can comprise a pair of thermal sensors 50 and 52 which are positioned on the opposite side ends (for example, on the left and right sides) of the second surface 44 of the insulating member 40. In certain embodiments, the thermal sensors 50 and 52 can be thermal sensors of the NTC type ("negative temperature coefficient").
    [0022] The positioning of the thermal sensors 50 and 52 on the opposite side ends of the second surface 44 of the insulating member 40 can provide a safer and more reliable measurement of the temperature of the heating element 16 (e.g. bottom surface 34) and / or insulating member 40. For example, if only one end of the heating element is exposed to cold water (for example, when the razor or shaving cartridge is being rinsed between shaving or shaving movements), that end of the element The heating element will be cooler than the other end of the heating element. The lateral heat flow from one end to the opposite side of the heating elements is typically less. Temperature equalization is very slow and limited by the thermal resistance of the mechanical heating system. Consequently, a single sensor, or multiple sensors, that measure an average temperature, will not provide an accurate reading and may cause the heating element to overheat, which can lead to a skin burn. The heating element 16 can never be switched off because of the unbalanced temperature of the heating element 16 (that is, the average temperature or the individual temperature of the single sensor exposed to cold water, can never be reached). Consequently, the thermal sensors 50, 52 can independently produce a temperature-related signal from the heating element 16 to the temperature control circuit, which is in electrical communication with the thermal sensors 50, 52.
    [0023] Similarly, if only one end of the heating element 16 is exposed to hot water (for example, when the razor or shaving cartridge is being rinsed between shaving or shaving movements), that end of the element The heating element will be hotter than the other end of the heating element 16. Consequently, a single sensor, or multiple sensors that measure an average temperature, will not provide an accurate reading, and may result in interruption or premature reduction of the power supply to the heating element (resulting in the consumer not feeling a heating sensation during shaving or epilation). Thermal sensors 50 and 52 can also be spaced from the heating rail 46 to provide a more accurate temperature reading. For example, thermal sensors 50 and 52 can be spaced by about 3 mm to about 30 mm, depending on the desired accuracy and manufacturing costs. In certain embodiments, a protective coating can be placed on the electrical circuit rail 48 and / or the heating rail 46. If desired, the entire second surface can be covered in a protective coating (for example, to prevent ingress water can damage sensors 50 and 52, electrical circuit track 48 and / or heating track 46).
    [0024] Referring to Figure 3, a view of the razor or shaving cartridge assembly 12 is shown. Housing 18 may define a plurality of openings 54a, 54b, 54c and 54d extending into a surface of top 56. In certain embodiments, the top surface 56 can have a recess 58 sized to receive the heating element 16. The plurality of openings 54a, 54b, 54c and 54d can extend from the top surface 56 through the housing 18 to a bottom surface 60 of housing 18 (see Figure 4). The insulating member 40 can be mounted on the heating element 16 before fixing the heating element 16 in the housing 18. Each of the legs 38a, 38b, 38c and 38d can extend into one of the corresponding openings 54a, 54b , 54c and 54d to align the heating element 16 within the recess 58 and secure the heating element 16 to the housing 18. In certain embodiments, each of the legs 38a, 38b, 38c and 38d can extend across the bottom surface 60 and around a portion of the bottom surface 60 of the housing 18 to secure the heating element 16 to the housing 18 (as shown in Figure 4). The recess 58 can define an opening dimensioned to retain a portion 62 of the flexible circuit 32 that supplies energy to the heating rail 44 and the electrical track 48. As will be described in more detail below, the flexible circuit 32 can also carry a signal from the sensors 50 and 52 through the electrical circuit to a microcontroller. Housing 18 may have a pair of spaced recesses 64 and 66, sized to receive thermal sensors 50 and 52 (shown in Figure 2). The spaced indentations 64 and 66 may extend deeper into the housing 18 (i.e., top surface 56) than the indentation 58, to allow the skin contact surface 30 to be generally aligned with the top surface 56 of the housing 18. The spaced recesses 64 and 66 can be positioned within the recess 58.
    [0025] With reference to Figure 5, a schematic circuit diagram is illustrated that can be incorporated into the shaving or shaving system of Figure 1 to control the temperature of the heating element 16 and / or insulating member 40. Figure 5 shows a possible example of an electrical circuit 100 that includes a temperature control circuit 102 (for example, a microcontroller) to adjust the power to the insulating member 40, thereby controlling the temperature of the heating element 16. In certain embodiments, the temperature control circuit 102 (as well as other components of electrical circuit 100) can be positioned inside cable 14. The main function of control circuit 100 is to control the temperature of heating element 16 to a defined temperature within a range of reasonable tolerance through power control for insulating member 40. Temperature control circuit 102 can operate in 10 microsecond cycles the (for example, after this period, the heater status may change (on or off) and during this period, the value of the thermal sensors 50 and 52 are monitored and processed in the temperature control circuit 102).
    [0026] One or more desired target temperatures can be stored in the temperature control circuit 102 (ie, the predetermined value). In certain embodiments, the desired target temperatures can be converted to a corresponding value which is stored in the microcontroller. For example, the microcontroller can store a first temperature value (or a corresponding value) for a "target temperature", and a second temperature value (or a corresponding value) for a "maximum temperature". The temperature control circuit 102, which stores and compares two different values (for example, one for the target temperature and one for the maximum temperature), can provide a more balanced temperature of the heating element and prevent overheating.
    [0027] The heating element 16 can have different states. A state can be a balanced state (i.e., the temperature along the length of the heating element 16 is reasonably consistent). The balanced state can represent normal or typical shaving or shaving conditions (for example, the entire length of the heating element 16 touches the skin during the shaving or shaving movement, so the heat is evenly dissipated). Temperature control circuit 102 can calculate an average temperature output from thermal sensors 50 and 52 (i.e., the average temperature perceived by sensors 50 and 52). The temperature control circuit 102 can compare the average temperature output with a first predetermined value (for example, the target temperature) that is stored in the microcontroller. It is understood that the term "temperature values" can be interpreted as numerical values, which are derived from electrical parameters that correlate to temperature (for example, electrical resistance).
    [0028] The heating element 16 can also have a second state, which can be an unbalanced state where the temperature across the length of the heating element 16 is not consistent (for example, it varies by more than 1 ° C). Temperature control circuit 102 can compare individual temperature output values (that is, an electrical signal related to a temperature of the heating element) of each sensor 50 and 52 with a second predetermined value (for example, maximum temperature) that is greater than the first predetermined value, which is stored in the temperature control circuit 102. Consequently, the microcontroller can store both the first predetermined value (for example, 48 ° C) and the second predetermined value (for example, 50 ° C ).
    [0029] As mentioned earlier, in certain embodiments, the desired target temperatures can be converted to a corresponding value that is stored by temperature control circuit 102. For example, sensors 50 and 52 can generate an output value for a resistance (for example, R1 and R2, respectively) based on a temperature sensor output (ie, the temperature perceived by sensors 50 and 52 of heating element 16). Each of R1 and R2 can be converted to a voltage that is converted to a numeric or data value, which is compared to one or more predetermined values stored in the temperature control circuit 102. The power from the power supply 104 to the insulating member 40 can be turned off by temperature control circuit 102, when it sends a signal to an electrical switch 106 to cut power to insulating member 40 when opening or closing electrical switch 106 (ie, the open position is switched off , the closed position is switched on). A switch 108 can also be provided, as a mechanical switch, for control by the consumer (for example, turning on / off the power to the insulating member 40).
    [0030] In certain modalities, it is possible to deliver optimum safety and performance if the microcontroller performs the following functions based on the outlet temperatures of thermal sensors 50 and 52. If the outlet temperature of one or both thermal sensors 50 and 52 is above or equal to the second predetermined temperature (for example, maximum temperature), then the power from the power supply 104 to the insulating member 40 is turned off (for example, the electric switch 106 is in the open position, preventing the power reach the insulating member 40). If the outlet temperature of both thermal sensors 50 and 52 is above or equal to the first predetermined temperature (for example, target temperature), then the heater is switched off. If the outlet temperature of both thermal sensors 50 and 52 is below the first predetermined temperature (for example, target temperature), then the power to the insulating member 40 is turned on (for example, the electric switch 106 is in the closed position, allowing the energy to reach the insulating member 40). If one of the outlet temperatures of thermal sensors 50 and 52 is below and the other is above or equal to the first predetermined temperature (for example, the target temperature), the energy for insulating member 40 is only switched on if the difference between the the coldest temperature of the sensor and the first predetermined temperature (for example, the target temperature) is greater than the difference between the warmest temperature of the sensor and the first predetermined temperature (for example, the target temperature). In other embodiments, the electric switch can be opened (power to the insulating member 40 off) at any time when the temperature of the sensor (50 or 52) is greater than or equal to the second predetermined value. In still other modalities, the microcontroller can send a signal to the electric switch to interrupt the supply of energy to the insulating member 40, if the average value is greater than the first predetermined value, or if the individual values of the sensor temperatures are greater than the second predetermined value. The heating element 16 cannot be allowed to reach a temperature greater than or equal to the second predetermined value (for example, 50 ° C). In certain embodiments, the first predetermined value can be from about 46 ° C to about 50 ° C (for example, about 48 ° C plus / minus about 2 ° C) and the second predetermined value can be greater than or equal to 50 ° C to about 60 ° C (for example, about 55 ° C plus / minus about 5 ° C). In certain embodiments, the first predetermined value can be less than the second predetermined value by about 2 ° C or more.
    [0031] The dimensions and values disclosed in the present invention need not be understood as being strictly limited to the exact numerical values mentioned. Instead, except where otherwise specified, each of these dimensions is intended to mean both the mentioned value and a range of functionally equivalent values around that value. For example, a dimension revealed as "40 mm" is intended to mean "about 40 mm".
    [0032] Each document cited in the present invention, including any patent or patent application in cross-referenced or related reference, and any patent or patent application in which this application claims priority or benefit, is hereby fully incorporated herein by reference, except when expressly excluded or otherwise limited. The mention of any document is not an admission that it constitutes prior art in relation to any invention presented or claimed in the present invention, nor that by itself or in any combination with any other reference or references, it teaches, suggests or describes such invention . In addition, if there is a conflict between any meaning or definition of a term mentioned in this document and any meaning or definition of the same term in a document incorporated by reference, the meaning or definition assigned to that term in this document will take precedence.
    [0033] Although specific modalities of the present invention have been illustrated and described, it will be apparent to those skilled in the art that various other changes and modifications can be made without departing from the spirit and scope of the invention. It is intended, therefore, to cover in the appended claims all such changes and modifications that fall within the scope of the present invention.
    权利要求:
    Claims (15)
    [0001]
    1. Shaving or shaving system (10) characterized by the fact that it comprises: a housing (18) that has a shield (20), a lid (22) and at least one blade (24) between the shield and the cover; and a heating element (16) for transferring heat during a shaving stroke comprising a skin contact surface (30) and an opposite bottom surface (34); and an insulating member (40) that has a first surface (42) facing the bottom surface of the heating element and a second surface (44) opposite the first surface that has a conductive heating rail (46) on the second surface extends around a perimeter of the insulating member, and an electrical circuit track (48) on the second surface, separate from the conductive heating track (46), where the electrical track has at least one thermal sensor (50, 52) , characterized by the fact that said opposite bottom surface (34) is defined by a perimeter wall (36) and said insulating member (40) is positioned within said perimeter wall (36).
    [0002]
    2. Shaving or shaving system (10), according to claim 1, characterized by the fact that the perimeter wall (36) has at least one leg (38a, 38b, 38c, 38d) to hold the element heating (16) to the housing.
    [0003]
    3. Shaving or shaving system (10) according to claim 1, characterized by the fact that the perimeter wall (36) has four legs (38a, 38b, 38c, 38d) extending from the wall perimeter (36), transversely and in the opposite direction to the bottom surface (34).
    [0004]
    4. Shaving or shaving system (10) according to any one of the preceding claims, characterized in that the insulating member (40) is fixed to the heating element (16) with an adhesive.
    [0005]
    5. Shaving or shaving system (10) according to any one of the preceding claims, characterized by the fact that the perimeter wall (36) is continuous.
    [0006]
    6. Shaving or shaving system (10) according to any one of the preceding claims, characterized in that the second surface (44) of the insulating member (40) comprises a conductive heating rail (46) which extends around a perimeter of the insulating member (40).
    [0007]
    7. Shaving or shaving system (10) according to any one of the preceding claims, characterized in that it additionally comprises an electrical circuit track (48) on the second surface (44) of the insulating member (40) and spaced conductive heating rail (46)
    [0008]
    8. Razor blade system (10) according to claim 7, characterized by the fact that the electrical circuit track (48) extends within the perimeter of the conductive heating track.
    [0009]
    Shaving blade system (10) according to claim 7 or 8, characterized in that it additionally comprises a pair of thermal sensors (50, 52) at the opposite side ends of the electrical circuit track (48).
    [0010]
    10. Shaving or shaving system (10) according to claim 9, characterized by the fact that the sensors (50, 52) are separate from the conductive heating rail (46).
    [0011]
    11. Shaving or shaving system (10), according to claim 10, characterized by the fact that the thermal sensors (50, 52) are separated by 3 mm to 30 mm.
    [0012]
    Shaving or shaving system (10) according to any one of claims 7-11, characterized in that it additionally comprises a protective coating that covers the second surface of the insulating member (40).
    [0013]
    13. Shaving or shaving system (10) according to any one of the preceding claims, characterized by the fact that the insulating member (40) is ceramic.
    [0014]
    14. Shaving or shaving system (10) according to any one of the preceding claims, characterized by the fact that the heating element (16) comprises steel.
    [0015]
    15. Shaving or shaving system (10) according to any one of the preceding claims, characterized by the fact that the heating element (16) is mounted on a portion of the handle (14).
    类似技术:
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    法律状态:
    2020-01-07| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-01-19| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-03-30| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/01/2015, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US201461927132P| true| 2014-01-14|2014-01-14|
    US61/927,132|2014-01-14|
    US14/552,836|US9636830B2|2014-01-14|2014-11-25|Heated shaving razors|
    US14/552,836|2014-11-25|
    PCT/US2015/010962|WO2015108801A1|2014-01-14|2015-01-12|Heated shaving razors|
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