• 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:
    pressurized refill can, combination of a can, and, method for using a combination, a pressurized refill can (5) containing a composition including a propellant. the can has an outlet valve (20) having a stem (6) biased into a closed position by a first resilient member. the rod (6) has a maximum external diameter greater than 3 mm. at the exit end of the rod, at least part of the rod wall extends inward from the outside diameter by at least 50% of the radius.
    公开号:BR112015024453B1
    申请号:R112015024453-0
    申请日:2014-03-25
    公开日:2021-08-31
    发明作者:Khine Zaw Nyein；Rene Mauricio Gonzalez Campos；Alex Hearn；Ritika Gupta
    申请人:Kind Consumer Limited；
    IPC主号:
    专利说明:

    [001] The present invention relates to a pressurized refill can with an outlet valve. It was designed in particular for a refill for a simulated cigarette as described in WO 2009/001078. However, it can also be used in other products that require a pressurized gas refill.
    [002] In WO 2009/001078, a simulated cigarette is proposed, whose dimensions are similar to those of a conventional cigarette. The cigarette has a reservoir for receiving a pressurized gas including a propellant. The reservoir has a breath activated valve at one end (as described in more detail in WO 2011/015825, WO 2011/015826) and a refill valve at the opposite end.
    [003] A refill pack has the shape and size of a normal cigarette pack with a refill gas cylinder and has a refill valve which is arranged to couple with the refill valve on the cigarette to periodically refill the cigarette.
    [004] As described in WO 2009/001078, the refill valve of the device is a check valve which is biased in a closed position and the can refill valve comprises a hollow nozzle with side holes which is also spring actuated. When the two are pushed together, the mouthpiece pushes the check valve away from its rest, thereby initially exhausting the device. Subsequent pushing of the device into the mouthpiece causes a shoulder on the refill to engage and mate with an annular assembly at the end of the device to provide a seal. Subsequent movement causes the mouth of the can loading valve to be compressed against its spring, thereby opening a flow path from the refill to the cigarette. The nozzle on the can loading valve is provided with a pair of side outlets which are generally perpendicular to the central hole through the nozzle. The valve rest of the device, however, has a flat surface against which the cylindrical refill nozzle is pushed. Additionally, the refill nipple has a considerably smaller diameter and a longer length than the inlet passage of the refill valve of the device. This would result in a significantly high probability of misalignment during loading due to slippage, thus providing a loading mechanism prone to damage to the refill nozzle.
    [005] Also relevant to the invention are the refill valves used for butane gas to refill cigarette lighters and the like. Lighters are loaded with butane, the expandability of which is significantly different from that of the propellant based system with which the present invention is of interest. It is also significantly lower in pressure than the pressure required to recharge a simulated propellant based cigarette. With a propellant based system, the propellant (such as hydrofluoroalkane (HFA)) will expand as the liquid leaves the reservoir, thereby maintaining a constant high pressure within the reservoir. With a butane-based system, as butane is depleted, the pressure in the reservoir drops. This means that they can be charged from a recharge without necessarily needing to exhaust the chamber. The refill process for a butane system is typically assisted by the use of a relatively large cylinder that is held in an inverted configuration above the lighter to provide gravity assistance for refilling.
    [006] The connectivity between the lighter inlet valves and an outlet valve of a refill cylinder operate in a way that allows them to perform the function of charging a reservoir without exhausting it. If the lighter reservoir is charged with air due to incorrect charging technique, the reservoir would need to be exhausted prior to charging. In this case, the exhaust procedure is actuating the refill valve using a device such as a pen or screwdriver to open the valve and allow any trapped air to escape. US 3 277 674 describes a refillable lighter with an exhaust path built into the valve of a lighter. There is no description of the nature of the refill valve.
    [007] Also of some superficial similarity to the present invention are some pressurized metered dose inhaler valves (PMDI), such as the one described in WO2008/071901. These have a nozzle in the form of a blind hole that is closed at one inner end and opened at the opposite end with axially spaced side holes extending through the nozzle wall in the axial hole. The dispenser body is provided with annular seals that surround the nozzle so that, as the nozzle is compressed into the dispenser, the inner side hole passes the inner seal, thereby placing the nozzle in communication with the formulation in the can and assisting in providing formulation to the measuring chamber. On further compression of the hole in the dispenser, the inner side hole passes beyond the inner seal and a hole divider comes into line with the inner seal resulting in blockage of formulation flow from the dispenser into the metering chamber through the inner hole. At the same time, the outer side hole crosses the outer seal putting the outer hole in communication with the formulation in the measuring chamber. This results in flow of a metered amount of formulation out of the chamber through the hole. In its uncompressed configuration, the mouthpiece is urged in an external position by a spring in which the external side hole is outside the seal.
    [008] Such valves are refill valves. Also, they are not suitable for use in refilling a simulated cigarette as the measuring chamber is much smaller than the cigarette.
    [009] Reloading, therefore, requires the cigarette to be pressed against the valve several times, which would not work in practice, given the need to exhaust the cigarette before loading.
    [0010] According to a first aspect of the invention, it has an outlet valve having a stem urged into a closed position by a resilient first member, the stem having a maximum external diameter greater than 3 mm and, wherein at least one exit end of the shank, at least part of the shank wall extends inward from the outside diameter by at least 50% of the radius.
    [0011] This may be expressed in slightly different terms as a second aspect of the present invention which requires a refill can containing a composition including a propellant, the can having an outlet valve having a stem urged into a closed position by a first member resiliently, the rod having a maximum outer diameter greater than 3mm and wherein, within a defined circle at the outlet end having a diameter of 1.5mm, there is a feature present.
    [0012] In general, for butane gas refills and the like, the rod has a relatively small outer diameter and relatively thin wall to increase the hole size and thus the flow rate for a given rod size.
    [0013] The present invention takes a different approach in ordering a significantly larger outer diameter that also extends inward to a significant extent over at least part of its circumference. It may have a relatively thick wall. A similar effect can be achieved with an annular end cap that has the required dimensions.
    [0014] Alternatively, the shank has a focused feature, such as a spoke or cruciform extending transversely into the hole, or a pin that is supported on the shank and occupies a central portion of the shank at its exit end. For the purpose of the invention, the pin in this case is considered to be an extension of the wall.
    [0015] In such an arrangement, the device can be dimensioned so that it will only work with a rod that fulfills these requirements. A rod such as a conventional butane rod which has an outer diameter that is too small will not be able to seal against the rest so that significant amounts of the composition will leak around the rod during the refill process rendering it useless as a recharging device in practice. Second, any refill with a larger outside diameter but which has a conventional thin wall will be able to engage with the rest on the device, but will not be able to press against the charging valve element as there is nothing on the device. center of such a stem that is in a position to press against the charging valve element. Having a thicker wall, the stem according to the fourth and fifth aspects of the invention is able to press against the valve loading element, so that it correctly operates the device.
    [0016] As far as we know, there are no refill cans currently that have a rod that meets the above requirements. There is therefore no possibility that the device could be refilled with hazardous substance from any known refill canisters.
    The composition preferably comprises a solvent which may be a monohydric alcohol and may further comprise a glycol and/or a glycol ether. In this case, the ratio of monohydric alcohol:glycol ether by weight is from 6:1 to 1:1. Preferably, the composition comprises from 0.1 to 2% by weight of propylene glycol, based on the total weight of the composition. Preferably, the composition comprises from 0.5 to 1.5% by weight of ethanol, based on the total weight of the composition.
    [0018] The propellant is preferably a hydrofluorocarbon.
    Preferably, the composition further comprises from 0.001% by weight to 0.45% by weight and more preferably 0.026% by weight to 0.084 by weight of nicotine or a pharmaceutically acceptable derivative or salt thereof, based on the total weight of the composition.
    [0020] Further details and advantages of the composition are provided in our previously filed application WO 2014/033437.
    [0021] The refill valve can be a calibrated valve, as long as it has a relatively large measuring chamber. However, preferably it is an uncalibrated valve.
    [0022] Preferably, the first resilient member exerts a force on the rod of at least 5N, and preferably at least 10N when in the uncompressed state. This relatively high spring force is required if it is necessary to first overcome the spring force on the device to be recharged to provide a flow path.
    [0023] Preferably, the radially outer edge of the rod at the exit end is rounded. This rounded edge provides an improved seal with a device to be recharged in the event of a slight misalignment between the stem and device.
    [0024] One problem faced by a refillable device that is designed to contain an inhalable composition is the potential for the reservoir to be loaded with an unauthorized substance. For example, if the device can be recharged from a butane gas refill, this could be dangerous for the user.
    [0025] According to a third aspect of the present invention, there is provided a combination of a pressurized refill can in accordance with the foregoing aspects of the present invention in combination with a device to be refilled, the device comprising a reservoir with a refill valve. loading and an outlet valve, the loading valve comprising a rest and being urged by a second resilient member having a spring force that is less than the spring force of the first resilient member at a position in which the loading valve closes, a valve element protruding from the rest to such an extent that when the stem is inserted into the rest, it displaces the charging valve element to open an exhaust flow path around the valve element and around the outside. of the rod, the rod being arranged so that the additional pressure pushing the device and the can together causes the rod to rest on the rest and the refill outlet valve opens, thereby creating a flow path from the can into the device's reservoir.
    [0026] This combination provides a simple reload operation as far as the user is taken into account. They simply need to press the device against the rod in the refill can with a gentle action. The device will then automatically exhaust as the filling valve element is moved, over which increasing pressure applied by the user will open the refill outlet valve and refill the container. The user should hear and possibly see a formulation spray being exhausted. This then stops when the refill outlet valve is opened. In addition, the user should feel a slight push when the device reservoir is full.
    [0027] The device is preferably a sham cigarette.
    [0028] Preferably, the outlet valve of the device is a breath activated valve and/or the composition contains nicotine.
    [0029] A portion of the rest facing the rod preferably has a spherical surface generally in part that is complementary to a rounded outer flange of the rod. This means that even if the stem is slightly misaligned with the valve rest, the rounded surface of the rest and the rounded edge of the stem will still make reliable contact thus reducing the potential for any leakage between the stem and the rest during the process of reloading.
    [0030] To further facilitate the alignment of the rod with respect to the rest, both the rod and the rest have parallel side portions that are complementary to each other. These parallel side portions serve to guide the rod in the rest. Preferably, however, the length of the overlap of the parallel side portions when fully coupled together extends for less than 8 mm and more preferably less than 3 mm.
    [0031] According to a fourth aspect of the present invention, there is provided a method for using a combination according to a third aspect of the present invention to recharge the device, the method characterized in that it comprises the steps of pressing the device against the outlet valve stem with a first force to open the loading valve of the device against the action of the second resilient member to exhaust the reservoir of the device via a path between the stem and the rest; and increasing the force with which the device rest is pressed against the stem to overcome the force of the resilient first member to open a flow path from the refill can into the device reservoir and disengage the device from the stem to close the valve recharging outlet and the charging valve of the device.
    [0032] An example of a refill can, a combination of can and refillable device, and a method in accordance with the various aspects of the present invention will now be described with reference to the accompanying drawings, in which: Fig. 1 is a view on an exploded perspective showing the refill can and a simulated cigarette as well as the package; Fig. 2 is a cross-sectional view of the arrangement shown in Fig. 1 in a position in which a user can withdraw the simulated cigarette from the housing; Fig. Fig. 3 is a view similar to Fig. 2 showing the cigarette in a storage position; Fig. 4 is a cross-sectional view through a refill valve; 5A to 5D are cross sections showing the charging valve on the simulated cigarette along with a side view of the refill valve are the disengaged, exhaust, resting and charging positions respectively; Fig. 6 is a perspective view of a refill valve. loading; Fig. 6B is an exploded view of Fig. 6A; Fig. 7 is a diagram explaining the end dimensions of the output rod; and Figs. 8A through 8D are cross sections showing cross sections showing various rod configurations.
    [0033] The simulated smoking device comprises a simulated cigarette 1 which, in addition to its refill valve, is as described in WO 2009/001078. This has a reservoir for an inhalable composition, a breath operated valve and a refill valve described below. Apart from the refill valve, the cigarette will not be described further here. Additional modifications to the simulated cigarette device are described in our earlier applications WO2010/073018, WO2011/015825, WO2011/015826 and WO2011/117580.
    [0034] A reservoir composition is described in WO2005/001085. Additional details are provided in WO2014/033437.
    [0035] The remainder of the simulated smoking device is the recharging device. This comprises a main housing portion 2 which is a plastic molding. It is surrounded by a thin card sleeve 3 on which various information such as promotional information is printed. The housing size is preferably similar to the size of a cigarette pack and can be adjusted to suit sizing formats, for example to be the pack size of 10 or 20 cigarettes. The housing 2 has a recess 4 in which the refill can 5 of a pressurized refill gas is contained.
    [0036] The can 5 has an outlet rod 6 at an outer end. With the can 5 in the recess 4, the mouthpiece 6 rests above the outlet port 7. The simulated cigarette device 1 is refilled by being pressed against the refill outlet port 7 as described in detail below. The can may instead simply be a stand alone cylinder which could then have a larger capacity as it is not compressed by the fact that it needs to fit into a housing sized the size of a cigarette pack.
    [0037] In general terms, the housing 2 is divided into two halves with one half having the refill gas can 5 and the other part containing a hinged drawer 8 with a release mechanism 8 prompted by a spring 10. This arrangement forms the subject of WO 2011/095781.
    [0038] This description relates to improvements in the design of the refill valve of the refill can 5 as will be described below with reference to Fig. 4 and/or the simulated cigarette refill valve 1 described below with reference to Figs. 6A and 6B. The interaction between them in the reloading operation is illustrated in Figs. 5A to 5D.
    The refill valve 20 of the refill can 5 is an uncalibrated valve which is modified from the valve of a pressurized metered dose inhaler. Fig. 4 shows the end cap 21 of the refill can 5 which has an annular configuration and surrounds the valve. Inside the cover is an outer ring seal 22 and an inner ring seal 23 which, in the PMDI valve design, form the ends of a metering chamber.
    [0040] The valve stem 6 is slidable within the seals 22, 23 against the action of a spring 25 which provides a pull force greater than 5N and preferably greater than 10N in the rest position shown in Fig. 4. valve 6 is provided at its outlet end with an axial hole 24 which extends axially inward from an outlet 26. A side hole 27 extends radially outwardly from the axial bore 24 to the outer periphery of the stem 6. In a rest position shown in Fig. 4, the side hole 27 is covered by an outer annular seal 22. The seal between the outer seal 22 and the outer periphery of the valve stem 26 prevents flow from exiting the refill can.
    [0041] In the calibrated valve on which the design [is requested, the valve stem is additionally provided with an outer periphery that seals with the inner annular seal 23 with a hole through the stem that provides selective communication with the measurement chamber between the ring seals for charging the chamber. In the present case, however, the rod 6 has a non-circular cross section in the vicinity of the inner annular seal 23 so that it does not seal with the inner annular seal and the chamber between the two annular seals 22, 23 is always open to maintain the main reservoir inside the refill can 5. This makes the valve an uncalibrated valve.
    [0042] The refill can 5 is designed to operate in the inverted configuration as shown in Figs. 1 to 4. It could, however, alternatively operate in the opposite way if a dip tube were provided to communicate between the bottom portion of the can and the refill valve 20.
    [0043] When the outlet rod 6 is compressed, once the side hole 27 passes through the outer seal 22, it opens a flow path from the inside of the refill can through the side hole 27 and along the axial hole 24 for output 26.
    [0044] As shown in Fig. 4, the radially outer edge of the output end of the output rod 6 has a curved profile 28 for the reasons described below.
    The charging valve 35 on cigarette 1 will be described with reference to Figs. 6A and 6B.
    The cigarette 1 has an inhalation end 30 associated with a breath activated valve (not shown) such that sucking on the inhalation end 30 opens the breath activated valve allowing a user to inhale the contents of reservoir 31. end opposite the inhalation end 30 is the charging end 32 which is provided with the charging valve 35 as shown in Figs. 6A and 6B.
    [0047] The loading valve comprises a cage 36 that supports the remaining valve components within the loading end 32 of the reservoir 31. The cage has a number of large side openings 37 that allow open communication between the inside of the cage 37 and waste from reservoir 31.
    [0048] Contained within the cage is a second spring 38 which urges a valve element 39 to a closed position as shown in Fig. 5A. The valve element 39 has a circular base 40 from the center of which a protrusion 41 projects upwardly. The lower surface of the base 40 is arranged to receive the top of the spring 38, while the upper annular surface 42 receives an annular sealing element 43 which surrounds the lower portion of the protrusion 41. As best seen in Fig. 5A, the protrusion 41 has a number of axially extending flow channels 44 starting above the annular sealing member 43 and extending to the upper surface of the protrusion 41.
    [0049] The charging valve 35 is completed by an end cap 45 which has an annular lower surface 46 which seals with the upper face of the annular sealing element 43. The end cap has a central opening 47 through which the protrusion 41 projects. The central opening 47 opens into a generally part spherical rest 48 which further opens into a cutaway region comprising a number of radially inwardly extending projections 49, the inner faces 50 which have a part cylindrical configuration to provide a guide for output rod 6 as described below. Each face 50 has a tapered conductor on surface 51.
    [0050] To refill the reservoir 31 of the cigarette 1, the charging end 32 of the cigarette 1 is presented to the outlet rod 6 of the refill can 5 as shown in Fig. 5A. At this time, the charging valve 35 of the reservoir 31 is closed as the spring 38 urges the valve member 39 to its upper position in which the annular sealing member 43 seals against the lower annular surface 46 on the end cap 45 Similarly, the refill outlet valve 20 is closed as the side hole 27 is sealed by the outer annular seal 22.
    [0051] As the cigarette 1 is pressed onto the rod 6 initially, the flared driving surfaces 51 of the projections 49 in cooperation with the curved profile 28 on the outlet rod 6 assist the user in aligning the cigarette 1 with the rod 6. Subsequently, the cylindrical face of the rod 6 engages with the inner faces 50 of the projections 49 thereby ensuring that the cigarette 1 is in generally axial alignment with the rod 6. Any slight misalignment between the cigarette 1 and the rod 6 is accommodated, to some extent, by the generally spherical nature of the rest 48 on the end cap 45 and the curved profile 28 on the end of the rod 6 as described below.
    [0052] As shown in Fig. 5B, as soon as the rod 6 engages with the upper surface of the protrusion 41 of the valve element 39, it begins to move the valve element 39 downward. This is because the second spring 38 exerts a weaker force than the first spring 25, so that the valve element 39 starts to move before the rod 6 is moved.
    [0053] This moves the annular sealing element 43 away from the lower annular surface 46 thereby opening an exhaust flow path from the reservoir, around the base 40 of the valve element 39, between the annular sealing element 43 and the lower surface 46 of the end cap 45, along the flow channels 44 and out of the cigarette 1.
    [0054] Once the cigarette 1 is engaged to the point where the curved profile 28 lands on the rest 48 as shown in Fig. 5C, the next opening phase begins. In this position, the cigarette can continue to exhaust as the rest 48 does not form a perfect seal with the curved profile 28 at the end of the valve 6. Due to the fact that the valve element 39 cannot be further compressed, application for additional pressure on the cigarette 1 will now cause the rod 6 to be pushed up into the refill can 5 against the action of the first spring 25 until the side hole 27 is moved into the annular outer seal 22. This opens a refill flow path from refill can 5 along side hole 27 and axial hole 24, through outlet 26, along flow channels 44 and into reservoir 31 via space between annular sealing element 43 and the lower annular surface 46 of the end cap 45. During this period, little or no flow passes through the interface between the rest 48 and the end of the rod 6, as it is, however, supplanted. If the surface is not sealed, the aforementioned refill flow path provides a much larger and more direct flow path for the composition from the reservoir so that any leakage around the valve stem is kept to a minimum. Furthermore, the spherical nature of the rest 48 and the curved profile 28d points of the rod 6 ensure that its leakage is kept to a minimum, even if the cigarette 1 is angularly offset to a small degree from the geometric axis of the rod 6. Larger angular deviations are generally avoided by the projections 49 engaging with the rod.
    [0055] When reservoir 31 is full of composition, the user will feel a slight push back as the pressure in reservoir 31 equalizes with the pressure in refill can 5, thereby avoiding additional flow. They then push the cigarette 1 away from the can 5, which quickly causes the two springs 25, 38 to return to their respective valves to the closed position.
    [0056] The arrangement at the end of output rod 6 will now be described with reference to Figs. 7 and 8.
    [0057] The dimensions required at the end of the output rod are best illustrated defined with reference to the prior art. A nozzle of the type used for a refill of butane gas, it has a relatively small outside diameter and a thin wall. The approach used in the present case must have a much larger outside diameter and a relatively thick wall, or at least some other feature present towards the central region at the end of the mouthpiece. The reason for this is apparent, for example, in Fig. 5B A relatively large outer diameter is required to reliably engage with the rest region 48. The presence of a thick wall or some other feature towards the central end region is required to hold against the top of the protrusion 41 to compress the valve element 39. If a conventional butane gas refill is used to attempt to load the cigarette, its relatively thin nozzle would not make contact with the rest 48 and would therefore provide a path of leakage around the rod. This would make it useless in practice. Also, if a rod with a larger outside diameter but a conventional wall thickness were used, this would be able to engage the rest 48 properly. However, the open space in the center of the rod would be so large that it would simply fit over the protrusion 41 and would not be able to compress it.
    [0058] The current output rod has an outside diameter D of at least 3 mm, as shown in Fig. 7. For the purpose of calculating this diameter D, the curved profile 28 at the output end is ignored. Within the circle of diameter D, a second concentric circle with a diameter of d of 1.5 mm is defined within which there must be something present on the end face of the nozzle. In other words, at the end of the nozzle, if it has a circular inner diameter d with a diameter of 1.5 mm that has no feature present, it will not be able to engage with the boss 41.
    The preferred dimensions for the nozzle 6 are an outer diameter of 3.15 mm to 3.20 mm, an inner diameter of 1.10 mm to 1.30 mm.
    [0060] Fig. 8A shows a mouthpiece with a relatively thick wall 60. The wall is of sufficient thickness that it extends within the inner circle d.
    [0061] A similar effect is achieved in Fig. 8B which has a thin wall tube 61 with an end cap to provide the required dimensions.
    [0062] Fig. 8C has a similar thin wall, but has a pin 62 supported at the output end by spokes 62. As is apparent from Fig. 8C, pin 62 is present within the inner circle and should be able to , in use, engage with boss 41.
    [0063] Finally, in Fig. 8D, a crossbar 63 extends diametrically transverse to the end of the mouthpiece. This may alternatively be a cruciform or other intermittent feature which is capable of engaging the protrusion 41.
    权利要求:
    Claims (16)
    [0001]
    1. Pressurized can (5), the refill can containing a composition including a propellant, the can having an outlet valve (20) having a rod (6) urged into a closed position by a first resilient member (25), the rod having only a single geometry, the only geometry comprising a maximum outer diameter greater than 3 mm and characterized in that the can is a refill can for a simulated cigarette (1), one in which, within a circle defined in the outlet end having a diameter of 1.5 mm, there is a feature present, the unique nozzle geometry being applicable for all modes of operation of the refill can.
    [0002]
    2. Can according to claim 1, characterized in that the characteristic is provided by a thickness of the wall of the rod (60).
    [0003]
    3. Can according to claim 1 or 2, characterized in that the rod (6) has an annular end cap to define its dimensions at the output end.
    [0004]
    4. Can according to any one of claims 1 to 3, characterized in that the characteristic is a localized characteristic.
    [0005]
    5. Can according to any one of claims 1 to 4, characterized in that the propellant is a hydrofluorocarbon.
    [0006]
    6. Can according to any one of claims 1 to 5, characterized in that the composition comprises from 0.001% by weight to 0.45% by weight and preferably 0.026% by weight to 0.084 by weight of nicotine or a derivative or pharmaceutically acceptable salt thereof, based on the total weight of the composition.
    [0007]
    7. Can according to any one of claims 1 to 6, characterized in that the outlet valve (20) is an uncalibrated valve.
    [0008]
    8. Can according to any one of claims 1 to 7, characterized in that the first resilient member (25) exerts a force on the rod of at least 5N, and preferably at least 10N when in the uncompressed state.
    [0009]
    9. Can according to any one of claims 1 to 8, characterized in that the radially outer flap (28) of the rod (6) of the output end is rounded.
    [0010]
    10. Combination of a can as defined in any one of claims 1 to 9, and a device (1) to be refilled, characterized in that the device (1) comprises a reservoir with a charging valve and an outlet valve , the loading valve comprising a rest for receiving the outlet end of the stem (6), the valve element (39) projecting towards the rest (48) and being urged by a second resilient member (38) having a force which is less than the spring force of the first resilient member (25) in a position in which the charging valve closes, the valve element (39) projecting on the rest (48) to such an extent that when the stem (6) is inserted into the rest, it moves the loading valve element (39) to open an exhaust flow path around the valve element and around the outside of the stem (6), the stem being arranged so that the additional pressure that drives the device sitivo (1) and the can (5) together causes the rod to rest on the rest (48) and the refill outlet valve (20) to open, thereby creating a flow path from the can into the device reservoir .
    [0011]
    11. Combination according to claim 10, characterized in that a portion of the rest (48) facing the rod (6) has a spherical surface generally in part that is complementary to the outer flap of the rod (6).
    [0012]
    12. Combination according to claim 10 or 11, characterized in that both the rod (6) and the rest (48) have parallel side portions that are complementary to each other.
    [0013]
    13. Combination according to claim 12, characterized in that the length of the overlap of the parallel side portions when they are fully coupled to one another extends for less than 8 mm.
    [0014]
    14. Combination according to any one of claims 10 to 13, characterized in that the pressure differential between the first (25) and second (38) resilient members in their untensioned state is 15N.
    [0015]
    15. Combination according to any one of claims 10 to 14, characterized in that the pressure of the refill reservoir, the dimensions of the flow path and the reservoir capacity of the device to be charged are such that, with the recharging and the device to be charged fully engaged, the device reservoir will charge in less than 10 seconds.
    [0016]
    16. Method for using a combination as defined in any one of claims 10 to 15 to recharge the device (1), the method characterized in that it comprises the steps of pressing the device (1) against the valve stem (6) outlet (20) with a first force to open the charging valve of the device against the action of the second resilient member (38) to exhaust the reservoir of the device via a path between the stem and the rest; and increasing the force with which the device rest (1) is pressed against the rod (6) to overcome the force of the first resilient member (25) to open a flow path from the refill can (5) into the reservoir device (1) and disengage the device from the stem (6) to close the refill outlet valve (20) and the device charge valve.
    类似技术:
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    BR112015024453B1|2021-08-31|PRESSURIZED CAN, ONE CAN COMBINATION, AND METHOD FOR USING A COMBINATION
    BR112015024455B1|2021-02-23|PRESSURIZED RECHARGE CAN, COMBINATION OF A CAN, AND METHOD FOR USING A COMBINATION
    BR112015024364B1|2021-05-04|pressurized refill can, combination of a can and a device to be refilled, and, method of using a combination
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    法律状态:
    2018-11-13| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-12-03| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-02-23| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]|
    2021-06-15| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-08-31| 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 25/03/2014, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    GB1305485.3A|GB2512325B|2013-03-26|2013-03-26|A pressurised refill canister with an outlet valve|
    GB1305485.3|2013-03-26|
    PCT/GB2014/050936|WO2014155090A1|2013-03-26|2014-03-25|A pressurised refill canister with an outlet valve|
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