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

Definitions

• the present invention relates, in general, to a shoe sole and, more particularly, to a ventilation sole, which has a structure permitting the inflow and outflow of air and creating a pumping action in the sole, thus pumping air present in and outside of a shoe while a wearer walks.
• shoes are made of rubber or synthetic resin, which have poor ventilation.
• a pumping unit is separately provided to circulate external air in the outsole.
• the conventional shoe is problematic in that the structure is complicated, natural air circulation is impossible, and foreign materials may undesirably enter the shoe.
• a shoe having a ventilation device is disclosed in Korean U.M. Registration No.
• the shoe includes a cushion layer having a pumping function and a check valve, thus circulating air in a lower portion of the shoe.
• the conventional shoe has the same problems as those of the above- mentioned shoes. That is, the structure of the shoe is complicated, natural air circulation is impossible, and foreign materials may undesirably enter the shoe. Disclosure of Invention
• an object of the present invention is to provide a ventilation sole, which has a structure permitting the inflow and outflow of air and creating a pumping action in the sole, thus pumping air present in and outside of a shoe while a wearer walks.
• the present invention provides a ventilation sole, including an outsole having an anti-slip stud on a bottom thereof; a midsole provided on top of the outsole, an upper portion of the midsole being concavely formed to receive a foot therein; a pumping part provided on a posterior region of the midsole, and having a shape of a hemisphere that is upwardly recessed; air inlet parts laterally provided on opposite sides of the pumping part, so that external air is fed into the air inlet parts to reach the pumping part; an air flow passage provided in front of the pumping part and extending longitudinally, so that the air fed by a pumping action of the pumping part flows through the air flow passage; and an air outlet part provided to communicate with the air flow passage, and laterally provided on an anterior region of the midsole in such a way as to be upwardly recessed, opposite ends of the air outlet part being opened to communicate with an outside of a shoe, with a hole being formed vertically through the midsole so that the air
• each of the air inlet parts is narrower than the air flow passage.
• the air outlet part comprises a plurality of air outlet parts which are laterally formed and spaced apart from each other, the air outlet parts being coupled via the air flow passage to communicate with each other.
• the present invention provides a ventilation sole, including an outsole having an anti-slip stud on a bottom thereof; a midsole provided on top of the outsole; a pumping part provided in a posterior region of the midsole, and having a shape of a hemisphere that is upwardly recessed; air inlet parts laterally provided on opposite sides of the pumping part, so that external air is fed into the air inlet parts to reach the pumping part; an air flow passage provided in front of the pumping part and extending longitudinally, so that the air fed by a pumping action of the pumping part flows through the air flow passage; and an air outlet part including a forced ventilation hole communicating with the air flow passage and formed laterally in an anterior region of the midsole in such a way as to vertically pass therethrough, a natural ventilation hole laterally formed in front of the forced ventilation hole and passing vertically through the midsole, and projection seating grooves communicating with the natural ventilation hole and an outside of a shoe and longitudinally provided along both side ends of
• the ventilation sole further includes a coupling step provided along an end of a toe region of the outsole in such a way as to protrude upwards; and a cutout provided on the midsole to correspond to the coupling step, so that the coupling step is coupled to the cutout in such a way as to be on the same level as an upper surface of the midsole.
• Each of the air inlet parts includes an inner air inlet port provided adjacent to the pumping part; a protrusion receiving cavity extending continuously from the inner air inlet port to communicate therewith, the protrusion receiving cavity being wider than the inner air inlet port; and an air inlet protrusion protruding upwards from an upper surface of the outsole and formed to correspond to the inner air inlet port, the air inlet protrusion having an air inlet hole at a position corresponding to the inner air inlet port.
• the inner air inlet port is narrower than the air flow passage.
• the natural ventilation hole comprises two groups of natural ventilation holes which are opposite each other, each of the groups comprising natural ventilation holes which are arranged in a lengthwise direction of the sole in such a way as to be spaced apart from each other.
• the air flow passage extends to the natural ventilation hole to communicate with the natural ventilation hole.
• the ventilation sole further includes a natural inlet projection received in the projection seating grooves of the air outlet part and extending continuously from the coupling step of the outsole in such a way as to protrude upwards; and a natural inlet port defined by the natural inlet projection and formed at a position corresponding to the natural ventilation hole to communicate with the natural ventilation hole and an exterior of the shoe.
• a ventilation sole has a structure permitting the inflow and outflow of air and creating a pumping action in the sole, thus smoothly circulating air in and out a shoe when a wearer walks, therefore keeping the interior of the shoe sanitary and clean.
• the present invention smoothly circulates air using only a sole structure, so that the construction of the shoe is simple and the shoe is inexpensive.
• such a sole structure absorbs shocks generated when the shoe contacts the ground, thus protecting a wearer's foot from the shocks.
• FIG. 1 is a perspective view of a ventilation sole, according to the first embodiment of the present invention
• FIG. 2 is a bottom view of a midsole of the ventilation sole, according to the first embodiment of this invention
• FIG. 3 is a view illustrating the operation of the ventilation sole, according to the first embodiment of this invention
• FIG. 4 is a perspective view of a ventilation sole, according to the second embodiment of the present invention
• FIG. 5 is a bottom perspective view of a midsole of the ventilation sole, according to the second embodiment of this invention
• FIG. 6 is a top perspective view of the midsole of the ventilation sole, according to the second embodiment of this invention
• FIG. 7 is a top perspective view of an outsole of the ventilation sole, according to the second embodiment of this invention
• FIG. 8 is a view illustrating the operation of the ventilation sole, according to the second embodiment of this invention.
• a ventilation sole includes an outsole 100, a midsole 200, a pumping part 300, air inlet parts 400, an air flow passage 500, and an air outlet part 600. That is, the ventilation sole includes the outsole 100, the midsole 200 coupled to the outsole 100, the pumping part 300, the air inlet parts 400, the air flow passage 500, and the air outlet part 600, which are defined by the coupling of the outsole 100 and the midsole 200.
• air fed into the air inlet parts 400 by the pumping action of the pumping part
• FIG. 1 is a perspective view of a ventilation sole, according to the first embodiment of the present invention
• FIG. 2 is a bottom view of a midsole of the ventilation sole, according to the first embodiment of this invention
• FIG. 3 is a view illustrating the operation of the ventilation sole, according to the first embodiment of this invention.
• the ventilation sole includes an outsole 100, a midsole 200, a pumping part 300, air inlet parts 400, an air flow passage 500, and an air outlet part 600. That is, the ventilation sole includes the outsole 100, the midsole 200 coupled to the outsole 100, the pumping part 300, the air inlet parts 400, the air flow passage 500, and the air outlet part 600, which are defined by the outsole 100 and the midsole 200.
• the outsole 100 is usually made of rubber, and anti-slip studs 110 are formed on the bottom of the outsole 100.
• Raw rubber is put into a metal mold having parts corresponding the studs 110, and thereafter is processed at a high temperature and high pressure, thus forming the outsole 100.
• the midsole 200 is provided on top of the outsole 100. Generally, a material, such as polyurethane (PU), is put into a metal mold and a foaming process is performed. The upper portion of the midsole 200 is made concave to receive the feet.
• PU polyurethane
• the pumping part 300 is formed in the posterior region of the midsole 200.
• the pumping part 300 has the shape of a hemisphere which is recessed and concave toward the upper portion of the midsole 200.
• the pumping part is coupled to the upper surface of the outsole 100, thus forming a space which is closed at upper and lower portions thereof. Thereby, the pumping action is performed in the space.
• the central portion of the pumping part 300 moves in a vertical direction, thus executing the pumping action.
• the air inlet parts 400 are laterally formed on opposite sides of the pumping part
• the air inlet parts 400 are coupled to the upper surface of the outsole 100, thus forming spaces which are closed at upper and lower portions thereof.
• Each air inlet part 400 is formed to be lower than the pumping part 300, thus allowing the pumping action of the pumping part 300 to be smoothly executed.
• the air flow passage 500 is provided in front of the pumping part 300, and extends longitudinally from the posterior region of the shoe to the anterior region of the shoe. Since the air flow passage 500 is lower than the pumping part 300, the pumping action of the pumping part 300 is smoothly executed.
• the air flow passage 500 is somewhat wider than the air inlet parts 400, thus causing air fed by the pumping action of the pumping part 300 to flow into the air flow passage 500, while minimizing the amount of air discharged through the air inlet parts 400.
• the air outlet part 600 is formed to communicate with the air flow passage 500.
• the air outlet part 600 is laterally formed on the anterior region of the midsole 200 to be upwardly recessed, and is opened at opposite ends thereof to communicate with the outside of the shoe. That is, one position outside the shoe communicates with an opposite position via the air outlet part 600.
• the midsole is coupled to the upper surface of the outsole 100, thus naturally forming the air outlet part, which is closed at upper end lower ends thereof.
• a plurality of holes 610 is formed vertically through the midsole 200.
• the air outlet part 600 comprises a plurality of air outlet parts which are laterally formed in such a way as to be spaced apart from each other.
• the air outlet parts 600 are coupled to the air flow passage 500 to communicate therewith.
• Such a construction allows external fresh air to be supplied to the anterior region of a foot.
• the ventilation sole constructed as described above is operated as follows. That is, when a wearer walks with shoes on, external air is fed into the air inlet parts 400, and flows through the air flow passage 500 by the pumping action of the pumping part 300. The air fed from the air flow passage 500 flows to the air outlet parts 600, so that the air is discharged to the interior of the shoe through the holes 610 or is discharged to the outside of the shoe through the side ends of the air outlet parts 600. In this way, fresh air is supplied to the interior of the shoe.
• FIG. 4 is a perspective view of a ventilation sole, according to the second embodiment of the present invention
• FIG. 5 is a bottom perspective view of a midsole of the ventilation sole, according to the second embodiment of this invention
• FIG. 6 is a top perspective view of the midsole of the ventilation sole, according to the second embodiment of this invention
• FIG. 7 is a top perspective view of an outsole of the ventilation sole, according to the second embodiment of this invention
• FIG. 8 is a view illustrating the operation of the ventilation sole, according to the second embodiment of this invention.
• the ventilation sole includes an outsole 100, a midsole 200, a pumping part 300, air inlet parts 400, an air flow passage 500, and an air outlet part 600. That is, the ventilation sole includes the outsole 100, the midsole 200 coupled to the outsole 100, the pumping part 300, the air inlet parts 400, the air flow passage 500, and the air outlet part 600, which are defined by the outsole 100 and the midsole 200.
• the outsole 100 is usually made of rubber, and anti-slip studs 110 are formed on the bottom of the outsole 100.
• Raw rubber is put into a metal mold having parts corresponding the studs 110, and thereafter is processed at a high temperature and high pressure, thus forming the outsole 100.
• the midsole 200 is provided on top of the outsole 100.
• a material such as polyurethane (PU) is put into a metal mold and a foaming process is performed.
• PU polyurethane
• a coupling step 120 is integrally provided along an end of the toe region of the outsole 100 in such a way as to protrude upwards. Further, an end of the toe region of the midsole 200 is cut away to form a cutout 210 that corresponds to the coupling step 120. The upwardly protruding coupling step 120 is coupled to the corresponding cutout 210 of the midsole 200, so that the coupling step 120 is placed on the same level as the upper surface of the midsole 200. Such a coupling provides a high coupling force, when the outsole 100 and the midsole 200 are assembled with each other.
• the pumping part 300 is provided on the posterior region of the midsole
• the pumping part 300 has the shape of a hemisphere which is concavely recessed upwards from the midsole 200.
• the midsole is coupled to the upper surface of the outsole 100, so that a space, closed at upper and lower ends thereof, is naturally formed, thus permitting a pumping action.
• the space is a place in which air fed from air inlet parts 400, which will be described in detail later, is collected.
• air inlet parts 400 which will be described in detail later
• the air inlet parts 400 are laterally provided on opposite sides of the pumping part
• the midsole is coupled to the upper surface of the outsole 100, a space closed at upper and lower ends thereof is naturally formed.
• the air inlet parts 400 are formed to be lower than the pumping part 300, thus permitting a smooth pumping action.
• each of the air inlet parts 400 includes an inner air inlet port 410, a protrusion receiving cavity 420, and air inlet protrusions 430.
• the inner air inlet port 410 is formed adjacent to the pumping part 300.
• the protrusion receiving cavity 420 is relatively wider than the inner air inlet port 410, and extends continuously from the inner air inlet port 410 to communicate therewith.
• the air inlet protrusions 430 protrude from the upper surface of the outsole 100 to correspond to the protrusion receiving cavity 420, and are received in the protrusion receiving cavity 420.
• An air inlet hole 431 is formed at a position corresponding to the inner air inlet port 410.
• the inner air inlet port 410 is formed to a side of the pumping part 300 to communicate with the pumping part 300, and is formed to be lower than the pumping part 300.
• the inner air inlet port 410 is relatively narrower than an air flow passage 500, which will be described later in detail.
• the protrusion receiving cavities 420 are formed to be open at both ends of the midsole 200.
• Each protrusion receiving cavity 420 is provided in the form of a step that becomes wider in a direction from an upper end thereof to a lower end thereof.
• the air inlet protrusions 430 provided on the outsole 100 are formed to correspond to the shape of both sides of each protrusion receiving cavity 420, that is, are provided in the form of steps which become narrower in a direction from an upper end of the outsole 100 to a lower end thereof.
• Each of the air inlet parts 400 is operated as follows. That is, when the pumping part 300 is pressed down, air is discharged to the air flow passage 500 which will be described in detail later. Meanwhile, when the pumping part 300 is released, the pressure in the pumping part 300 becomes lower than the pressure of the air inlet part 400. Thereby, air present outside the shoe flows into the pumping part 300 again.
• the air flow passage 500 is formed in front of the pumping part 300, and extends longitudinally from the posterior region of the shoe to the anterior region thereof. When the midsole is coupled to the upper surface of the outsole 100, the air flow passage, closed at upper and lower ends thereof, is formed. The air flow passage 500 is lower than the pumping part 300, thus allowing the pumping part 300 to be smoothly operated.
• the air flow passage 500 is formed to be relatively wider than the inner air inlet port 410 of each air inlet part 400. Such a construction allows air to flow to the air flow passage 500 by the pumping action of the pumping part 300, in addition to preventing air from being discharged through each air inlet part 400.
• the air outlet part 600 includes a forced ventilation hole 620, natural ventilation holes 630, and projection seating grooves 640.
• the forced ventilation hole 620 com- municates with the air flow passage 500, and is provided laterally in the anterior region of the midsole 200 in such a way as to vertically pass therethrough.
• the natural ventilation holes 630 are laterally provided in front of the forced ventilation hole 620, and are bored vertically through the midsole 200.
• the projection seating grooves 640 communicate with the natural ventilation holes 630 and the exterior of the shoe, and are longitudinally provided along both side ends of the anterior region of the midsole 200 in such a way as to be upwardly recessed.
• the forced ventilation hole 620 is formed in an end of the air flow passage 500 to communicate with the air flow passage 500, and has the shape of a rectangle which is long in width thereof.
• the natural ventilation holes 630 are formed in front of the forced ventilation hole 620.
• Each natural ventilation hole 630 is formed vertically through the midsole 200, and has the shape of a rectangle which is long in width.
• the natural ventilation holes 630 comprise two groups of natural ventilation holes which are opposite each other. Each of the groups comprises natural ventilation holes which are arranged on the front portion of the shoe in a lengthwise direction thereof in such a way as to be spaced apart from each other.
• the air flow passage 500 extends to the natural ventilation holes 630 to communicate with the natural ventilation holes 630. That is, air fed by the pumping action of the pumping part 300 flows to the natural ventilation holes 630 as well as the forced ventilation hole 620, prior to being discharged to the interior and exterior of the shoe.
• the projection seating grooves 640 communicate with the natural ventilation holes
• the ventilation sole includes natural inlet projections 130 and natural inlet ports 220.
• the natural inlet projections 130 are received in the projection seating grooves 640 of the air outlet part 600, and protrude upwards in such a way as to extend continuously from the coupling step of the outsole 100.
• the natural inlet ports 220 are defined by the natural inlet projections 130, and are formed at positions corresponding to the natural ventilation holes 630 to communicate with the natural ventilation holes 630 and the exterior of the shoe.
• the natural inlet projections 130 protrude upwards from the outsole 100, and are received in the projection seating grooves 640 which are formed on the lower surface of the midsole 200. When air is naturally fed into the natural inlet ports 220, the air is discharged to the interior of the shoe through the natural ventilation holes 630.
• the ventilation sole constructed as described above is operated as follows. That is, external air is fed into the air inlet parts 400 by the pumping action of the pumping part 300 while a wearer is in motion. The air fed into the air flow passage 500 flows to the forced ventilation hole 620 of the air outlet part 600, so that external fresh air is supplied to the interior of the shoe. Meanwhile, when air is naturally fed into the natural inlet ports 220 by the flow of air or the wearer's walking action, the air is supplied to the interior of the shoe through the natural ventilation holes 630.
• the present invention provides a ventilation sole, which is adaptable to various kinds of shoes, including running shoes, thus providing a shoe having a more excellent function.
• the present invention creates a higher value added product, thus revitalizing the shoe industry.

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• Health & Medical Sciences (AREA)
• Epidemiology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

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• 2005
  • 2005-11-30 JP JP2008522687A patent/JP2009502228A/ja active Pending
  • 2005-11-30 WO PCT/KR2005/004053 patent/WO2007011096A1/en active Application Filing
  • 2005-11-30 EP EP05821338A patent/EP1912527A4/de not_active Ceased

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