EP1857001A1 - Chaussure avec dispositif d'amortissement et d'aération - Google Patents

Chaussure avec dispositif d'amortissement et d'aération Download PDF

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Publication number
EP1857001A1
EP1857001A1 EP07251565A EP07251565A EP1857001A1 EP 1857001 A1 EP1857001 A1 EP 1857001A1 EP 07251565 A EP07251565 A EP 07251565A EP 07251565 A EP07251565 A EP 07251565A EP 1857001 A1 EP1857001 A1 EP 1857001A1
Authority
EP
European Patent Office
Prior art keywords
air
chamber
shoe
cushion
ventilation device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07251565A
Other languages
German (de)
English (en)
Inventor
Jong Soo Cho
Hyeon-San Jeong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1857001A1 publication Critical patent/EP1857001A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/06—Footwear with health or hygienic arrangements ventilated
    • A43B7/08—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures
    • A43B7/081—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures the air being forced from outside
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A43B13/203—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with a pump or valve
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials
    • A43B13/188—Differential cushioning regions
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A43B13/206—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with tubes or pipes or tubular shaped cushioning members
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/38—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process
    • A43B13/40—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process with cushions
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
    • A43B17/03—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient filled with a gas, e.g. air
    • A43B17/035—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient filled with a gas, e.g. air provided with a pump or valve
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/08—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined ventilated
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/06—Footwear with health or hygienic arrangements ventilated
    • A43B7/08—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures
    • A43B7/084—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures characterised by the location of the holes

Definitions

  • the present invention relates to a shoe, and more particularly, to a shoe with a cushion and ventilation device, for enhancing a restoring force of an air pump for sucking air, and not only preventing an air passage from being closed in a thermal bonding process but also delaying a storage time of air stored in an air chamber to the maximum, thereby enhancing cushion force.
  • shoes for protecting walker's feet are manufactured using leather or synthetic resin that makes ventilation poor. Therefore, the shoes are not well air-circulated and thus, sweat or moisture causes bad smell and causes disease, such as athlete's foot or eczema, due to propagation of bacteria.
  • the ventilation shoe includes a pump installed under a shoe sole and sucking air; a check valve for allowing one-way passage of the air sucked in the pump; and an air discharge tube connecting with the check valve and discharging the air passing through the check valve, into the shoe.
  • the conventional ventilation shoe having the above construction is clearly useful in that, in a walking motion, the air pump is repeatedly compressed and restored and performs a pumping operation, thereby continuously supplying external air into the shoe and effectively eliminating sweat or bad smell from the shoe.
  • the conventional ventilation shoe has the following drawbacks.
  • the air pump is compressed by pressure of foot and sucks air in the walking motion and then, when the pressure is not applied, is restored to an original state and discharges the sucked air into the discharge tube.
  • the air pump is formed of elastic material to have cavity therein so that contraction and restoring operations can be performed.
  • the above constructed air pump has a drawback in that, due to the long contraction and restoring operations, its elasticity is deteriorated and the restoring operation is not done well, thereby not providing a smooth pumping operation.
  • the conventional ventilation shoe has just only a ventilation function of circulating air in the shoe, and does not have a means for cushioning impact applied to the foot in the walking motion. Therefore, there is a drawback in that a walker easily feels tired due to the impact continuously applied to the foot in the walking motion.
  • the present invention is directed to a shoe with a cushion and ventilation device that substantially overcomes one or more of the limitations and disadvantages of the conventional art.
  • One object of the present invention is to provide a shoe with a cushion and ventilation device, for enhancing a restoring force of an air pump using a sponge installed within the air pump.
  • Another object of the present invention is to provide a shoe with a cushion and ventilation device, for enhancing a restoring force of a sponge and compensating crushed sponge in a contraction process, using an elastic member installed around the sponge.
  • a further another object of the present invention is to provide a shoe with a cushion and ventilation device, in which the cushion and ventilation device having an air pump, an air discharge tube, and an air pipe is manufactured in a one-time microwave based thermal bonding method.
  • a yet another object of the present invention is to provide a shoe with a cushion and ventilation device, for preventing an air passage of an air discharge pipe from being closed in a microwave thermal bonding process.
  • a still another object of the present invention is to provide a shoe with a cushion and ventilation device, for maximally delaying discharge of air stored in an air pipe into the shoe, thereby enhancing cushion force.
  • a still another object of the present invention is to provide a shoe with a cushion and ventilation device, for concentrating and supplying a discharged air to a sweaty portion.
  • a shoe with a cushion and ventilation device includes uppers forming an external shape, and a sole forming a bottom of the uppers and having the cushion and ventilation device.
  • the cushion and ventilation device includes an air pump having an air discharge tube provided at its one side; and an air tube having a connection pipe connecting to the air discharge tube of the air pump, and an air chamber, wherein the air pump is provided by placing an upper sheet having a cavity on a lower sheet having an intake hole, and thermally bonding circumference surfaces of the upper and lower sheets using microwave, and wherein the upper and lower sheets further comprise a sponge having contraction and restoring forces therein.
  • the upper and lower sheets may further comprise an elastic member placed on the sponge and having elastic protrusion parts extended along a circumference surface thereof.
  • An insulator formed of different material from the air tube may be fitted into an inlet port of the connection pipe provided at the air tube.
  • An auxiliary chamber for discharging air into the shoe may be partitioned by a thermal bonding part and provided in front of the air chamber, and the auxiliary chamber may communicate with a discharge passage provided at a center of the thermal bonding part.
  • the discharge passage may be narrowed as going from an inlet side to an outlet side.
  • the auxiliary chamber may be divided into a central auxiliary chamber communicating with the discharge passage, and side auxiliary chambers positioned at both sides of the central auxiliary chamber, and partitioned by auxiliary thermal bonding parts from the central auxiliary chamber and, in a partitioned state, communicating with the central auxiliary chamber through branch passages provided at the auxiliary thermal bonding parts.
  • the branch passages may be narrowed as going from the inlet side to the outlet side.
  • Spot thermal bonding parts may be bonded and provided in the central auxiliary chamber and the side auxiliary chambers.
  • the shoe may further include a second air chamber forming a second discharge passage having a diameter that gradually narrows from an inlet to an outlet thereof, the narrowing diameter for slowing a speed of air discharged into the air chamber, wherein the connecting pipe is connected to one end of an air connecting pipe, and the other end of the air connecting pipe is connected to the air chamber.
  • the present invention relates to a shoe having ventilation and cushion functions, for repeatedly performing the ventilation and cushion functions using a human walking motion (motion for first making heels touch at the ground and next, making soles touch at the ground).
  • the present invention is characterized in that an air pump is installed at the heel first touching at the ground in the walking motion and enhances its restoring force in a primary air suction process, and in that a storage time of air stored in an air chamber is delayed to the maximum, thereby providing a cushion force for cushioning impact applied to the sole, and in that a ventilation effect is embodied using air discharged little by little from the air chamber.
  • Fig. 1 is a sectional view illustrating a construction of a shoe with a cushion and ventilation device according to an exemplary embodiment of the present invention
  • Fig. 2 is a plan view illustrating the cushion and ventilation device of Fig. 1;
  • Fig. 3 is an exploded perspective view illustrating the cushion and ventilation device of Fig. 2;
  • Fig. 4 is a plan view illustrating a portion of an air chamber provided at a cushion and ventilation device
  • Fig. 5 is a detailed view illustrating a discharge passage and a branch passage provided at an air chamber and an auxiliary chamber;
  • Figs. 6A and 6B sequentially illustrate an operation of an air pump
  • Figs. 7A and 7B illustrate states of adhesion and non-adhesion between an insulator and a connection passage
  • Fig. 8 is a plan view of a cushion and ventilation device according to another embodiment of the present invention.
  • Fig. 1 illustrates a whole construction of a shoe with a cushion and ventilation device.
  • the shoe includes uppers 10 forming an external shape; and an in-sole 12, a mid-sole 14, and an out-sole 16 forming a bottom of the uppers 10.
  • the cushion and ventilation device 20 a main construction of the present invention, is installed under a bottom surface, preferably, under the in-sole 12 of the shoe 100.
  • the following description will be made on the basis of limitation to the cushion and ventilation device 20 installed under the in-sole 12 but, in addition, the ventilation and cushion device 20 can be inserted into the mid-sole 14 in an insert injection method, or can be inserted between the mid-sole 14 and the out-sole 16. This will be easily understood by those having an ordinary knowledge in the art.
  • Fig. 2 is a view illustrating the cushion and ventilation device 20.
  • the cushion and ventilation device 20 includes an air pump 22 provided in its rear, and an air pipe 38 connecting to an air discharge tube 30 provided at the air pump 22, through a connection pipe 44.
  • the air pump 22 sucks air from the external and discharges air to the air discharge tube 30, using contraction and restoration operations.
  • the air discharged to the air discharge tube 30 passes through the connection pipe 44 and is stored in the air chamber 48 provided at the air pipe 38.
  • Fig. 3 is a disassembled view illustrating a construction of the cushion and ventilation device 20.
  • the air pump 22 includes an upper sheet 24 and a lower sheet 26.
  • the upper sheet 24 is formed of polyurethane (PU), and has a cavity part 24a provided at its center to have a predetermined size.
  • PU polyurethane
  • the lower sheet 26 is formed of polyurethane having the same physical property as the upper sheet 24.
  • the lower sheet 26 is placed on the upper sheet 24, and is thermally bonded at its circumference surface, using microwave.
  • the lower sheet 26 has an intake hole 26a provided at its center.
  • the intake hole 26a allows external air to be sucked into the cavity part 24a provided within the upper sheet 24.
  • the lower sheet 26 having the intake hole 26a has an elastic film 28 attached to an inner surface thereof.
  • the elastic film 28 is elastically bent depending on pressure of the air sucked through the intake hole 26a.
  • the elastic film 28 opens the intake hole 26a and, when air is sucked into the cavity part 24a, again closes the intake hole 26a using the pressure of the sucked air, thereby preventing the air from being discharged outside.
  • the air discharge tube 30 is integrally extended from one side of the air pump 22 including the upper and lower sheets 24 and 26 as described above.
  • the air discharge tube 30 introduces the air sucked in the air pump 22 into the connection pipe 44 of the air pipe 38.
  • the air discharge tube 30 has a valve 31 provided therein.
  • the air pump 22 has a sponge 32 provided therein. Before the upper and lower sheets 24 and 26 are thermally bonded, the sponge 32 is inserted into the cavity part 24a of the upper sheet 24.
  • the sponge 32 increases a restoring force of the air pump 22, specifically, the upper sheet 24, by a self cushion force so that the air pump 22 is not damaged in its restoring force due to repetitive contraction and restoring operations (that is, pumping operation) of the air pump 22. Accordingly, the sponge 32 can prevent a pumping force of the air pump 22 from being deteriorated due to long time use.
  • a separate elastic member 36 is further provided on the sponge 32.
  • the elastic member 36 is formed of elastic material such as a rubber.
  • the elastic member 36 includes a plane part 36a and elastic protrusion parts 36b.
  • the plane part 36a is adhered to an upper surface of the sponge 32, and the elastic protrusion parts 36b is protruded along a circumference surface of the plane part 36a and covers the circumference surface of the sponge 32.
  • the elastic member 36 elastically enhances the restoring force of the sponge 32. Also, when the sponge 32 is not restored from its crushed state caused by the contraction process, the elastic protrusion parts 36b elastically compensate and restore the sponge 32.
  • the air tube 38 includes the connection pipe 44 provided between top and bottom sheets 40 and 42 and an air chamber 48 extended from the connection pipe 44.
  • the connection pipe 44 and the air chamber 48 are provided by surface-contacting the top and bottom sheets 40 and 42 formed of polyurethane (PU) each other and thermally bonding the top and bottom sheets 40 and 42 at circumference surfaces thereof using microwave.
  • PU polyurethane
  • An insulator 46 formed of polyethylene (PE) or polypropylene (PP) is fitted into an inlet port 44a of the connection pipe 44.
  • the insulator 46 prevents the inlet port 44a of the connection pipe 44 from being closed when the top and bottom sheets 40 and 42 are thermally bonded at their circumference surfaces.
  • the insulator 46 is formed of material (polypropylene) having a different physical property from the top and bottom sheets 40 and 42. Therefore, if the insulator 46 is fitted into the inlet port 44a of the connection pipe 44 and the top and bottom sheets 40 and 42 are thermally bonded at their whole circumference surfaces, parts of the top and bottom sheets 40 and 42 to which the insulator 46 is fitted are not in contact with each other and thus, are not thermally bonded. Accordingly, the inlet port 44a of the connection pipe 44 can be provided as opened.
  • the insulator 46 also has a function of a check valve for allowing only one-way passage of air. As shown in Figs. 7A and 7B, air is supplied to the air discharge tube 30 by the pumping operation of the air pump 22 and if so, aperture (K) is provided between the insulator 46 and the connection pipe 44 due to pressure of the supplied air. The air can be stored in the air chamber 48 via the connection pipe 44 through the aperture (K). Upon completion of the supplying of the air, the connection pipe 46 and its inlet port 44a are adhered to each other, thereby cutting off backward flowing of the air stored in the air chamber 48. This will be in more detail described in an operation description below.
  • Fig. 4 is a detailed view illustrating the air chamber provided at the air tube.
  • the air chamber 48 stores the air supplied through the connection pipe 44 for a predetermined time, and provides the cushion force to walker's feet, thereby cushioning impact.
  • the air chamber 48 is expanded and swelled out and, if the sole contacts the air chamber 48, the air chamber 48 is elastically pressed and the impact applied to the sole is cushioned.
  • a thermal bonding part 50 is provided in front of the air chamber 48, and separately partitions an auxiliary chamber 48a.
  • the thermal bonding part 50 has a discharge passage 50a at its center such that the air stored in the air chamber 48 can pass the auxiliary chamber 48a.
  • the auxiliary chamber 48a is divided into three chambers: a central auxiliary chamber 52 communicating with the discharge passage 50a, and side auxiliary chambers 54 provided at both sides of the central auxiliary chamber 52 using auxiliary bonding parts 56.
  • the auxiliary bonding parts 56 have branch passages 56a, respectively, and the branch passages 56a allow air stored in the central auxiliary chamber 52 to enter the side auxiliary chambers 54.
  • the side auxiliary chamber 54 has outlet ports 58 provided using its penetration.
  • the outlet ports 58 discharge the air supplied to the central auxiliary chamber 52 and the side auxiliary chambers 54, into the shoe, preferably, between user's toes, thereby embodying a ventilation effect.
  • the air chamber 48 is thermally bonded using the thermal bonding part 50, and the separate auxiliary chambers 48a are provided to communicate with each other through the discharge passage 50a and the branch passage 56a is to maximally delay time taken to discharge the stored air of the air chamber 48 into the shoe, and maintain the cushion force of the air chamber 48 for a longer time.
  • Fig. 5 is a detailed view illustrating structures of the passage and the branch passage for supplying air into the air chamber and the auxiliary chamber.
  • the discharge passage 50a communicating the air chamber 48 with the central auxiliary chamber 52 is provided to have a narrower diameter as going from an inlet port 50b to an outlet port 50c. This is to reduce a discharge speed of the air discharged from the air chamber 48 to the central auxiliary chamber 52, thereby holding the cushion force of the air chamber 48.
  • the branch passages 56a communicating the central auxiliary chamber 52 with the side auxiliary chambers 54 are manufactured to also have narrower diameters as going from the inlet port 56b to the outlet port 56c. This is also to reduce a discharge speed of the air discharged from the central auxiliary chamber 52 to the side auxiliary chambers 54, thereby forming an air chamber and providing a cushion part based on pressure remaining as much as a delay of the speed.
  • a spot thermal bonding part 60 is bonded to and provided at the central auxiliary chamber 52.
  • the spot thermal bonding part 60 stably controls the discharge speed of air discharged to the central auxiliary chamber through the discharge passage 50a.
  • air passing through one discharge passage is branched into two parts through the spot thermal bonding part, and is stored in the central auxiliary chamber, thereby stably controlling the discharge speed of the air.
  • the stably controlling of the discharge speed of air means that the discharge speed of the air is reduced to the maximum.
  • the spot thermal bonding part 60 can control the discharge speed of the air depending on the bonding position.
  • the spot thermal bonding part 60 is disposed closely to the outlet port 50c of the discharge passage 50a, the outlet port 50c of the discharge passage 50a can be narrowed, thereby increasing a discharge pressure and thus, stabilizing the discharge speed of the air.
  • the spot thermal bonding part 60 is disposed distantly away from the outlet port 50c of the discharge passage 50a, the outlet port 50c of the discharge passage 50a is widened, thereby increasing the discharge speed of the air.
  • Spot thermal bonding parts 62 are bonded to and provided even at the side auxiliary parts 54.
  • the spot thermal bonding parts 62 stably control the discharge speed of the air that is discharged from the central auxiliary chamber 52 to the side auxiliary chambers 54 through the branch passage 56a.
  • the air passing through the branch passages 56a is branched into two parts through the spot thermal bonding parts 62 and is stored in the side auxiliary chambers 54, thereby maximally delaying the discharge speed of the air.
  • the spot thermal bonding part 62 can be provided to have a bonding position close to or distant away from the outlet port 56c of the branch passage 56a, thereby controlling the discharge speed of the air.
  • the air discharged through one discharge passage 50a is introduced into the central auxiliary chamber 52, it is branched into two parts through the spot thermal bonding parts 60 and 62, and the stored air of the central auxiliary chamber 52 is again branched into four parts through two branch passages 56a and introduced into the side auxiliary chambers 54, thereby stably controlling the discharge speed of the air.
  • the air pump 22 and the air tube 38 are mainly provided in a separate manner and are thermally bonded at their connection parts using the microwave, thereby manufacturing the cushion and ventilation device 20.
  • the sponge 32 and the elastic member 36 are sequentially placed on the lower sheet 26 and then, the upper sheet 24 is overlapped thereon, thereby completing the air pump 22.
  • the inlet port 44a of the connection pipe 44 of the air tube 38 is partially inserted into the air discharge pipe 30 of the air pump 22 and then, the upper and lower sheets 24 and 26 of the air pump 22 are thermally bonded at their circumference surfaces using the microwave. Accordingly the air tube 38 and the air pump 22 are mutually bonded together, thereby completing the cushion and ventilation device 20.
  • the inlet port 44a of the connection pipe 44 can be kept to be in an opened state without closure when the air pump 22 and the air tube 38 are bonded together.
  • a rear foot portion first touches at the ground and, in this process, the air pump 22 is contracted and air is sucked through the intake hole 26a.
  • the air pump 22 can be quickly restored to an initial state using the sponge 32 and the elastic member 36 for elastically supporting the sponge 32.
  • the insulator 46 fitted into the inlet port 44a of the connection pipe 44 serves as the check valve and allows only one-way passage of air.
  • the apertures (K) are generated at top and bottom of the insulator 46, which is fitted into the inlet port 44a of the connection pipe 44, by pressure of the air supplied to the air discharge tube 30, and the air is introduced into the connection pipe 44 through the aperture (K).
  • the insulator 46 is again closely adhered at its top and bottom to the connection pipe 44, thereby preventing the backward flow of air.
  • the air introduced into the connection pipe 44 is stored in the air chamber 48 subsequently.
  • the air stored in the air chamber 48 passes through a plurality of the auxiliary chambers 48a (from the central auxiliary chamber 52 to the side auxiliary chamber 54) via a plurality of the discharge passage 50a and the branch passages 56a and then, is introduced into the shoe, thereby delaying the discharge time of the air and maintaining the cushion force of the air chamber 48 for a long time.
  • diameter sizes of the discharge passage 50a and the branch passages 56a get small as going from an inlet side to an outlet side, such that the discharge time of air can be delayed, the pressure can be increased, and the air can be stably discharged, thereby more efficiently delaying the cushion force of the air chamber 48.
  • the spot thermal bonding parts 60 and 62 thermally bonded to the central auxiliary chamber 52 and the side auxiliary chambers 56 can control the outlet port 50c of the discharge passage 50a and the outlet ports 56c of the branch passages 56a, thereby controlling the discharge time of air.
  • Fig. 8 is a plan view of a cushion and ventilation device according to another embodiment of the present invention, wherein like elements are assigned like reference numbers, and descriptions of elements already described above will be omitted.
  • a cushion and a ventilation device 20a includes an air pump 22 provided at the rear, and an air tube 38 with a second air chamber 49 and an air chamber 48 provided at an air discharge tube 30 provided at the air pump 22.
  • the second air chamber 49 is formed at the instep, that is, the concaved portion of the foot, and may support the instep when the second air chamber 49 is expanded when suctioning air.
  • a non-conductive member 46 for allowing one-way passage of air is provided between the air discharge tube 30 and the second air chamber 49, and a second discharge passage 49a is formed between the second air chamber 49 and the air chamber 48.
  • the second discharge passage 49a may have a diameter that becomes progressively narrower from an inlet 49b to an outlet 49c. This is to slow the discharge speed of air from the second air chamber 49 to the air chamber 48, to provide a cushioning effect by means of the second air chamber 49.
  • the cushion and ventilation device 20a installed in a shoe, when a walker begins walking, the rear (or heel) of the foot is the first part of the foot to contact the ground, so that the air pump 22 is compressed to suction air from the outside. The suctioned air flows through the air discharge tube 30 into the air tube 38.
  • the air that is discharged from the air discharge tube 30 is allowed to flow in only one direction by means of the non-conductive member 46, so that the second air chamber 49 expands.
  • the air that flows into the second air chamber 49 flows into the air chamber 48 through the second discharge tube 49a. Because the diameter of the second discharge tube 49a gradually narrows from the inlet 49b toward the outlet 49c, the discharging speed of air is slowed to provide cushioning and support of the instep.
  • the air that is discharged through the second discharge tube 49a of the second air chamber 49 flows into the air chamber 48, so that it flows through the air chamber 48 to the auxiliary chamber, as described above, and is discharged to the outside through the outlet formed in the auxiliary chamber.
  • the shoe having the cushion and ventilation function according to the present invention achieves many effects in the following.
  • the present invention has an effect in that the restoring force of the air pump is prevented from being deteriorated due to the long-time pumping operation, thereby smoothly promoting the pumping operation of the air pump.
  • the present invention has an effect in that the cushion and ventilation device including the air pump, and the air discharge tube and the air tube, can be manufactured using a one-time microwave based thermal bonding method, thereby simplifying a work process, and the inlet port of the connection passage can be prevented from being closed in the bonding process, using the insulator.
  • the present invention has an effect in that the air stored in the air tube is delayed to the maximum and discharged into the shoe, thereby maintaining the cushion force for a longer time.
  • the present invention has an effect in that the discharged air can be concentrated on and supplied to the sweaty portion.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP07251565A 2006-04-13 2007-04-12 Chaussure avec dispositif d'amortissement et d'aération Withdrawn EP1857001A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060033440A KR100664398B1 (ko) 2006-04-13 2006-04-13 쿠션 및 통풍장치가 내설된 신발

Publications (1)

Publication Number Publication Date
EP1857001A1 true EP1857001A1 (fr) 2007-11-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07251565A Withdrawn EP1857001A1 (fr) 2006-04-13 2007-04-12 Chaussure avec dispositif d'amortissement et d'aération

Country Status (5)

Country Link
EP (1) EP1857001A1 (fr)
JP (1) JP2007283100A (fr)
KR (1) KR100664398B1 (fr)
CN (1) CN101053454A (fr)
TW (1) TW200738184A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTV20090006A1 (it) * 2009-01-21 2010-07-22 Massimiliano Donato Dispositivo per ventilazione interna di scarpa
ITTV20090148A1 (it) * 2009-07-17 2011-01-18 Rita Piazza Struttura di sottopiede aerato, particolarmente per calzature.
EP3461358A1 (fr) * 2017-10-02 2019-04-03 ATMOS airwalk ag Procédé de fabrication d'une chaussure pourvue d'un dispositif de pompe à air pourvu d'un soufflet conçu dans une semelle intercalaire

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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WO2010084455A3 (fr) * 2009-01-21 2010-10-14 Verdi Fashion Srl Dispositif pour ventilation interne d'une chaussure
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TW200738184A (en) 2007-10-16

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