Soles

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Patent Number
Title
  Date
3965516 Footwear fabrication process Jun-29-1976
A footwear fabrication process and product are disclosed. The footwear is characterized by flexibility, lightness and excellent ventilation.
4063371 Air-flow shoe Dec-20-1977
A vented shoe having a conventional upper. An outer sole of flexible compressible material engages the periphery of the upper. A series of fluid passages extend through the outer sole from concavities formed in the outer surface of the outer sole. These fluid passages are continuous with larger openings...     
4071963 Ventilated footwear Feb-7-1978
Ventilated footwear comprises an outer sole having a hollow portion forming an air pumping chamber at its heel portion, a plurality of ventilation holes provided on an inner sole within the range of the air pumping chamber, a cushioning material having cells therein to contain air being spread over an...     
4100685 Sports shoe Jul-18-1978
A sports shoe, particularly for tennis, has a flexible plastics outsole through which extend venting channels which open, on the interior of the shoe, in the region of a wearer's toes and forwardly of the ball of the foot. Channels can be provided through the bottom of the sole to terminate beneath the...     
4102061 Shoe sole structure Jul-25-1978
A shoe has an insole, an outsole, and a midsole situated between the insole and outsole, with a wedge member being situated between the midsole and outsole at a heel region thereof and extending from the heel region toward an arch region thereof. This wedge member is formed with at least one opening...     
4123855 Fluid filled insole Nov-7-1978
An improved fluid filled insole is disclosed. One aspect of the improvement is the inclusion of openings to provide ventilation and to control flow of the fluid. The insole is formed of two superimposed sheets of flexible, fluid impervious material sealed together at selected sites to form an enclosure...     
A hiking or military boot or shoe is provided with a sole formed with a plurality of internal passages which lighten the sole, enhance the flexibility of the sole and provide a portion of a shoe ventilation system. Included is a snorkel arrangement connected to the internal passages to ventilate the...     
4151660 Socks for use with footgear May-1-1979
A sock for use with footgear is provided comprising a core formed of copper or copper-containing metal, a top ply of air-permeable material overlying the upper surface of said core, and a bottom ply of air-permeable material underlying the lower surface of the core, at least said top ply and bottom ply...     
4185402 Deodorizing insole Jan-29-1980
An odor and moisture absorbing insole or insock for covering the inner sole of footwear has a bottom open cell latex foam layer with a smooth bottom skin for engaging the bottom inner sole of footwear, an intermediate noncellular latex layer with discrete activated charcoal particles dispersed throughout...     
4187622 Inner sole for a shoe Feb-12-1980
An inner sole for a shoe consists of two flat layers of mesh joined together around their outer edges to define an internal cavity. A powder such as talcum powder or a medicinal powder can be put in the cavity before the two layers are completely joined. The sole is put in the bottom of a shoe, and the...     
4192086 Deodorizing insole Mar-11-1980
A laminar insole for footwear has a top, porous, non-woven, non-absorbent layer or mat of plastics material fibers, an intermediate moisture absorbing paper or other non-woven layer impregnated with deodorizing material, such as activated charcoal, coated on the paper fibers, and a bottom open-cell plastics...     
A ventilating insole for use in a shoe in which the same includes an interior chamber for the forced flow of air unobstructed and uninterruptedly between the heel and toe portions thereof and through inlet and outlet openings.
4222182 Shoe insole Sep-16-1980
A shoe insole that will allow plantar flexion of the wearer's foot in an upward direction but will inhibit such flexion in a downward direction past a normal horizontal condition. The insole includes a rigid first member that extends from a toe end to a rear edge situated midway between the heel and...     
A novel shoe incorporating a new sole and wedge-shaped arch support. The sole includes a plurality of sealed alveoli or air-chambers of different shapes which provide sufficient flexibility and resiliency to the shoe to reduce many of the common problems encountered by athletes. The alveoli are sealed...     
4223456 Shoe sole assembly Sep-23-1980
A shoe sole assembly of a resilient material body portion provided with absorbers energy formed as part of the body portion. The energy absorbers are defined by vertically disposed, spaced apart cell members extending from an upper surface to beyond a lower surface of the body portion to provide a bounded...     
4224746 Shoe ventilating insole Sep-30-1980
A cushioned insole for a shoe comprises a member formed of a resilient, porous material enclosed in an impervious envelope having a plurality of air inlet ports near the rear edge of its heel portion and a plurality of air outlet ports in its ball portion in the region of the toes of the wearer of the...     
4235026 Elastomeric shoesole Nov-25-1980
An elastomeric shoesole designed specifically for athletic activities wherein the sole contains at the outer side of the heel and/or the inner side of the ball transversely-extending, longitudinally-spaced openings which extend to approximately the longitudinal center line and wherein the respective...     
4236326 Sport shoe sole Dec-2-1980
A sport shoe sole having a ground sole rigid and of excellent abrasion resistance and an elastic interlayer body bonded to the ground sole, in which the interlayer body is provided at its heel portion with an air inclusion means such as grooves and apertures that open at least to one side of the interlayer...     
A running shoe having an outer sole and a midsole. The midsole includes two groups of apertures extending therethrough. The first group of apertures is located in the forefoot portion of the midsole and a second group of apertures is located to the rear of the first group and contiguous with the arch...     
4266350 Footwear insole May-12-1981
An insole for insertion in footwear having a laminated structure. The upper layer of the laminated structure is a split suede leather and the lower layer or laminate is resilient having an outer surface with frictional characteristics to prevent slipping relative to the footwear. Resilient padding is...     
4274211 Shoe soles with non-slip profile Jun-23-1981
The invention relates to a shoe sole made of flexible rubber material with a non-slip profile on the wearing side.
4290211 Ventilating outsole Sep-22-1981
An article of footwear having an improved outsole formed with uniformly distributed small apertures therethrough throughout its area, the apertures being of circular, oval or other curvilinear or angular or polygonal cross-section or any combination of them throughout their axial length and tapering...     
4308671 Stitched-down shoe Jan-5-1982
A stitched-down shoe in which the upper or the upper material has an outwardly-turned edge which is sewn directly to a base. The base has a lateral seam groove extending around the periphery thereof and near the top of the base, and pre-formed stitch holes directed essentially perpendicular to the seam...     
4309831 Flexible athletic shoe Jan-12-1982
A shoe is provided including a standard upper and a sole, with the sole comprising a base extending from the toe of the shoe to the heel of the shoe with a plurality of cleats subtending from the sole. The forward edge of the cleats subtends from the sole rearwardly at a predetermined angle from the...     
A device to facilitate locomotion of a person moving by foot on the ground and adapted to be used in shoes worn by the person, wherein each shoe has a forward portion and a rearward portion, includes a first storage device for storing a certain amount of energy when one of the portions impacts with the...     
4322891 Sport shoe sole Apr-6-1982
A sport shoe sole having a ground sole rigid and of excellent abrasion resistance and an elastic interlayer body bonded to the ground sole, in which the interlayer body is provided at its heel portion with an air inclusion means such as grooves and apertures that open at least to one side of the interlayer...     
4322892 Sport shoe sole Apr-6-1982
A sport shoe sole having a ground sole rigid and of excellent abrasion resistance and an elastic interlayer body bonded to the ground sole, in which the interlayer body is provided at its heel portion with an air inclusion means such as grooves and apertures that open at least to one side of the interlayer...     
4322893 Independent insole assembly Apr-6-1982
An independent insole assembly embodying an insole attachment member, or both insole and sole attachment members, each of which is integrally formed with depending pegs or clips for connection to spaced resilient means or springs that are interposed between the insole attachment member and a shoe sole,...     
4325194 Sport shoe sole Apr-20-1982
A sport shoe sole having a ground sole rigid and of excellent abrasion resistance and an elastic interlayer body bonded to the ground sole, in which the interlayer body is provided at its heel portion with an air inclusion means such as grooves and apertures that open at least to one side of the interlayer...     
4336661 Shoe insert Jun-29-1982
A shoe insert in the form of an envelope which is air impervious and sized to fit within the shoe of a wearer and which is composed of an upper surface and a lower surface interconnected by a side surface and a pad arranged in spanning relation within the envelope, the pad being of cushioning material...     
4349970 Shoe Sep-21-1982
A shoe upper easily connected by a connecting device to a lower member or mid sole having a lattice structure. The shoe also includes additional connecting devices to releasably connect the heel to the mid sole and upper. The outer sole is connected to the mid sole by glue or double-sided tape. The mid...     
4359830 Sport shoe sole Nov-23-1982
A sport shoe sole having a ground sole rigid and of excellent abrasion resistance and an elastic interlayer body bonded to the ground sole, in which the interlayer body is provided at its heel portion with an air inclusion means such as grooves and apertures that open at least to one side of the interlayer...     
4364186 Ventilated footwear Dec-21-1982
A ventilated article of footwear, such as a shoe, is provided with an outer sole of deformable material having a raised peripheral portion of enlarged thickness surrounding the entire periphery thereof. An inner sole of non-deformable material is mounted above the outer sole in normally spaced relation...     
4397104 Inflatable sole-shoe Aug-9-1983
A shoe fitted with an inflatable sole. One or more air valves joined to the shoe permit inflating the interior of the sole to a desired pressure of air proportional to the weight of the wearer of the shoe. The sole is formed of an upper liner joined to a lower liner along their respective common periphery,...     
4438573 Ventilated athletic shoe Mar-27-1984
In an athletic shoe, a system for conveying air into the shoe in which an air reservoir in the resilient outsole assembly is open to a first transverse air channel which opens in turn to the surrounding air, a longitudinal air slot in the outsole assembly is open to the air reservoir, a first vertical...     
4462171 Inflatable sole construction Jul-31-1984
A compartmentalized, variable cushioning sole construction in footwear having a top attached to an inner sole. The construction includes an outer sole and a flexible wall structure joining the peripheral edges of the inner and outer soles to form an enclosed space therebetween. This space is partitioned...     
4485568 Insole Dec-4-1984
An sole having an upper elastomer foam pad supported by an overexpanded honeycomb structure, the overexpanded honeycomb structure made by intermittently bonding ribbons of elastomer and expanding them laterally to produce a honeycomb structure having rectangular cells with the longer opposite walls of...     
4506461 Sport shoe sole Mar-26-1985
A sport shoe sole having a ground sole rigid and of excellent abrasion resistance and an elastic interlayer body bonded to the ground sole, in which the interlayer body is provided at its heel portion with an air inclusion means such as grooves and apertures that open at least to one side of the interlayer...     
Described is a sports boot such as ice skate boot or ski boot which is both water-proof and air permeable and which is comprised of a boot-shaped substrate formed of natural or synthetic leather or other similar pliant material, an outer sheath formed of synthetic material and applied integrally to the...     
4513518 Shoe inner sole Apr-30-1985
An inner sole with a cushioning layer of polyurethane foam, with compression set less than 10%, laminated to a thinner layer of thermoformable polyethylene foam, which serves primarily as a vehicle for shaping the polyurethane.
4523393 Sport shoe sole Jun-18-1985
A sport shoe sole having a ground sole rigid and of excellent abrasion resistance and an elastic interlayer body bonded to the ground sole, in which the interlayer body is provided at its heel portion with an air inclusion means such as grooves and apertures that open at least to one side of the interlayer...     
4525940 Beach sandals Jul-2-1985
A beach sandal of improved comfort and enhanced safety comprises a sole provided with a plurality of perforations whose openings in the upper and lower surfaces of the sole are displaced or whose middle portions are displaced from their outer portions. The perforations provide an escape for the water...     
4547978 Footwear Oct-22-1985
A boot or shoe 10 has its upper lasted to an insole 12 made from leather or a permeable plastics material, and a sole unit 13 is bonded to the lasted upper and the insole. The sole unit is moulded from a resilient plastics material and is formed with a multiplicity of cavities 15 opening to its top surface...     
4590689 Air-trapping insoles May-27-1986
A cushion-like, shock-absorbent insole for footwear comprises two vinyl sheets forming an airtight compartment and sealing therein one or more sheets of resilient foam. Vent holes arranged in at least one of the vinyl sheets, preferably at the heel and metatarsal areas, act as metering valves in conjunction...     
4602441 Ventilated shoe Jul-29-1986
The shoe (1) includes a flexible sole (2) containing a cavity (3) which has nearly the same size as the sole. The walls of the cavity are airtight and flexible in such a manner that the portion of the cavity receiving the foot pressure squashes. The top wall, for example of the front portion of the sole,...     
4606139 Prefabricated shoe construction Aug-19-1986
A prefabricated shoe construction is disclosed which includes upper and lower mid-sole members which carry mating slots and hooks permitting the sole assembly to be easily assembled. A bottom sole is also provided having, on its upper surface, spaced-apart recesses located at the periphery of the bottom...     
The invention contemplates a shock-absorbing shoe sole which provides adjustably inflated pneumatic support at the rear half of the sole, and a graduated reduction of shock-absorbing from the inflated support region, to a forefoot-support region of minimum compliant yieldability. The construction involves...     
A shoe containing a plurality of pairs of ribs provided between the mid-sole and the outer sole. All of the ribs are provided with at least one bowed or convex surface running the length of the rib. When weight is placed upon the sole, each of the ribs initially begins to deflect until adjacent ribs...     
4617745 Air shoe Oct-21-1986
An air shoe has a sole having a plurality of channels longitudinally and laterally in the upper surface of the sole, forming a multiplicity of sections at least partially surrounded by such channels. This sectionalized structure improves air flow beneath the wearer's foot as he walks, runs, or exercises,...     
4619055 Cushioning pad Oct-28-1986
A cushioning pad or mat for protecting the human foot and body while walking or standing. The mat is of a bonded, multi-layer construction with an upper moisture-absorbing layer, an intermediate resilient layer of foam rubber which will mold to the individual's particular foot contour and irregularities...     
4635385 Shoe insert Jan-13-1987
An insert, particularly for athletic shoes, is removably fitted over or affixed atop the top surface of the insole of the shoe and comprises a thin section of non-absorbant, thermally non-conductive thermoplastic material which is deformable to conform to the shape of the insole. The insert is formed...     
4642912 Shoe insole Feb-17-1987
A shoe insole having superior cushioning and comfort, good resistance to buckling, and excellent retention of cushioning properties after wear. The insole consists of three layers: (a) a bottom layer having compressive strength of at least 0.3 kg/cm.sup.2 at 40% strain, (b) an intermediate layer having...     
4654982 Toe ventilating pneumatic shoes Apr-7-1987
The invention relates to a ventilated shoe device utilizing air passageways and spring loaded valves to promote positive airflow resulting from compression of the sole elements, thereby providing increased hygiene and comfort, and further providing case of cleaning of the shoes through access covers.
4670995 Air cushion shoe sole Jun-9-1987
An air cushion shoe sole which is preferably blow molded of elastomeric material and has at least one cavity which in cross-section is substantially rectilinear. The cavity has a number of depressions and each cavity has an air valve for introducing a shock absorbing material, namely gas, liquid, or...     
4679335 Vented bicycle shoe Jul-14-1987
A bicycle shoe is disclosed in which a plurality of spaced air scoops are located at the front of the shoe and aligned with channels formed in the inner base of the shoe and extending toward the heel. As the wearer moves rapidly forward on a bicycle, air is taken in through the scoops and distributed...     
4680877 Shoe insole Jul-21-1987
An insole structure having an outer contour corresponding to the shape of the sole of the foot has outer layers between which are located inner layers. The outer layers are made from a wear resistant material such as beechwood, and the inner layers are made from a lighter material such as poplar. The...     
4685224 Insole Aug-11-1987
A foam latex insole includes a number of ribs on its undersurface. The ribs face the top-sole of a shoe when the insole is placed therein, and are formed of foam latex which is closed-pored and somewhat firmer than the foam latex which forms the continuous part of the insole. The ribs can be straight,...     
4739765 Arch support Apr-26-1988
An arch support for the foot includes a plantar support member having a cavity to removably receive a metatarsal support element; metatarsal support elements of different height can be used depending on the activity engaged in by the wearer; heel wedges of different height may similarly be used; the...     
4776109 Comfort insole for shoes Oct-11-1988
A comfort sole arranged to be mounted in a shoe extends from the heel portion of the shoe to approximately the arch. The sole has a resilient upward curved portion intermediate the sides thereof in the area of the heel portion to form an air chamber between it and the sole of the shoe. This curved portion...     
4776110 Insole-ventilating shoe Oct-11-1988
An insole-ventilating shoe includes: an insole having an air pumping device formed on a rear portion of the insole having an air guide protruding upwardly to exchange fresh air outside the shoe vamp, and plural ventilating grooves with through holes formed on a front portion of the insole for circulating...     
An athletic shoe adapted to maintain a foot housed therein in a relatively cool and dry state despite heat and moisture developed within the shoe interior in the course of activity. The shoe upper is provided with a metallized coating to reflect incident solar radiation. The shoe includes a ground-engaging...     
An improved sole structure for attachment to a shoe for bicyclists. The sole structure includes a conformed rigid body having in the front region a plurality of recessed seats each containing a fastener for attachment to a plate anchoring the sole structure to a bicycle pedal, and also includes in the...     
Shoe construction is set forth effecting ventilation of the sole portion of the shoe. Air external to the shoe is provided access interiorly thereof by means of a conduit directing such air to a sole portion including a plurality of flexible vane elements formed with openings therein. Normal weight distribution...     
4885849 Insole Dec-12-1989
An insole includes a top wall and a bottom wall constructed from an air-impervious material. The top and bottom walls are heat-sealed at a durable side wall ridge to form an envelope having a heel, intermediate and front zones. A porous pad is contained within the envelope. Vent openings are provided...     
4888887 Suction-ventilated shoe system Dec-26-1989
A suction-ventilated shoe system, which has air-exit ports located on the outer surface of said shoe, preferably in the midsole region, is provided. Said suction-ventilated shoe system contains a novel, multivented, suction-operated insole that enables the entire surface of said insole to be uniformly...     
4894932 Air-permeable shoe Jan-23-1990
An air-permeable shoe including a shoe constructed of an open-cell rubber foam. A base cloth is attached to the sole or insert therein. The sole of the shoe is exposed on a side surface of the sole of the shoe wherein a top side surface of the sole is in communication with the inside of the shoe and...     
4896441 Removable innersole for footwear Jan-30-1990
A removable innersole for footwear is provided on the surface which is intended to be the underside, resting on the internal surface of the shoe, with a plurality of elements (1) made of elastic material. These elements are arranged preferably in transversal rows and may have different transversal dimensions,...     
4897937 Non-slip insole base Feb-6-1990
An insole base member in planar form for providing a mechanical interlock with a shoe insole is disclosed. The insole base provides a low volume, low profile molded pattern which contacts the underside of the insole material and prevents shearing shifts of the insole. In one embodiment, the insole base...     
4912858 Footwear Apr-3-1990
Footwear comprises a sole consisting of upper and lower members (2, 3) bonded together. The upper member 2 has a plurality of holes 4 penetrating it. The lower member 3 has the top formed with grooves 5 each having a stem 6 communicating with each hole and an end 7 open on the side of the lower member....     
4939851 Boat shoe Jul-10-1990
Disclosed is a boat shoe that includes a sole constructed to allow for the flow of water from the interior of the shoe to the exterior of the shoe. The sole includes an innersole which is a removable orthotic with a series of openings through which water can pass. A rubber lasting board, which also has...     
4974342 Inner sole for shoe Dec-4-1990
An inner sole for a shoe which has upper and lower foot form sheets bonded through an elastic porous material to the heel of the rear portion thereof and through spaces to the front portion thereof, a suction valve provided in a portion to be bonded to the elastic porous material of the lower foot form...     
4993173 Shoe sole structure Feb-19-1991
A shoe sole made of a flexible, resilient material and having a central longitudinal passageway therein. A fresh air intake is located at the heel region of the sole and provides ventilation air to the passageway. With each stride, the wearer pumps air from the heel through the longitudinal passageway...     
4995173 High tech footwear Feb-26-1991
A shoe, boot, sneaker, etc. incorporates a foot-actuated pump which is connected to one or more expandable air bladders located in portions of the footware where contour fitting is desirable. Walking or running actuates the pump. An adjustable relief valve connected to the bladder releases air when a...     
4999932 Variable support shoe Mar-19-1991
An athletic shoe includes a substantially flat pump chamber in the sole of the shoe under the heel of the user, with a one-way valve permitting the drawing in of air when pressure is taken off the heel, and second one-way valve at the outlet from the flat pump which comes into play as air is being exhausted...     
5044096 Sole structure for footwear Sep-3-1991
The sole structure comprises a lower part with a tread, preferably made of rubber or other synthetic material, and having holes formed therein which traverse its thickness. The lower part is covered by a membrane made of microporous, waterproof material which permits transpiration. The structure is completed...     
5086572 Self-ventilating shoe Feb-11-1992
A shoe ventilation system which includes an upper having an air inlet and an air outlet disposed in the upper portion thereof, respectively, and a one-way air flowing member disposed in the lower portion thereof, an inner sole having a plurality holes in the sole portion thereof and a plurality of channels...     
5138775 Ventilated shoes Aug-18-1992
A shoe having a structure to supply fresh air to the interior of the shoe. The structure to supply fresh air comprising a resilient bulging pad in the heel portion of the shoe and including one-way valves to direct the air flow.
An insole includes a heel portion defining a recess. A replaceable pneumatic buffer defining a first and a second tubular elements is received in the recess of the insole. A central tunnel communicating with the first tubular element defines a hole. A plurality of tunnels communicate the first tubular...     
5195254 Sole Mar-23-1993
This invention relates to a sole for a shoe and in particular to one including a resilient pad provided with a plurality of arrow-shaped recesses and diamond-shaped recesses on the bottom and an elongated slot on the top, a blast device adapted to be received in the elongated slot of the resilient pad...     
5195257 Athletic shoe sole Mar-23-1993
An athletic shoe having a sole construction comprising a heel plenum configured to accommodate the tuberosity of the calcaneous of the heel of the user, a forefoot plenum preferably having a plurality of interconnecting plenum members configured to accommodate a corresponding plurality of metatarsal...     
5235761 Multiple-purpose elastic shoe Aug-17-1993
A shoe includes an outsole having an elastic jacket formed on the outsole for exerting an elastic property of the shoe, a midsole made of or impregnated with medical compositions for diffusing medicine vapors onto a wearer's foot for treating the wearer's disease, an insole formed with beehive polygonal...     
A ventilated boot or shoe is described wherein the boot or shoe is of conventional design having a sole, an upper portion, a toe, a heel, and instep portion, and sides forming an open top. Within the shoe, a spongy open-celled compressible insole is provided which has a pair of channels at each side...     
A shoe midsole has a heel portion provided with an elastic shock-absorbing member which is embedded therein and which has an arcuate projection, an air chamber, a plurality of cavities located in the peripheries of the arcuate projection, a plurality of first air ducts through which the cavities communicate...     
5333397 Inflatable ventilating insole Aug-2-1994
An insole for ventilating shoes or boots comprising an air intake passage, an inflatable elastic bladder, an air exhaust passage, a ventilating capillary, and valve means. The bladder is formed along the peripheral area of the heel portion of the insole. Periodic application and release of pressure to...     
5353525 Variable support shoe Oct-11-1994
An athletic shoe includes a substantially flat pump chamber in the sole of the shoe under the heel of the user, with a one-way valve permitting the drawing in of air when pressure is taken of the heel, and second one-way valve at the outlet from the flat pump which comes into play as air is being exhausted...     
5465508 Insole for sport shoe Nov-14-1995
Cleanliness insole for shoes comprising a first layer (10) positioned facing the foot and formed to promote the passage of perspiration from its upper to its lower surface, and a second rigid layer (20) whose upper surface is in contact with the lower surface of the first layer, the second layer delimiting...     
5467536 Shoe construction Nov-21-1995
A shoe construction for cushioning the foot includes a dual density sole having a cavity in the upper surface thereof. The cavity includes an overlapping peripheral edge which engages and interlocks with the biased edge of a nippled insert mounted therein. A midsole having a forefoot cushion overlays...     
5477626 Multifunctional shoe Dec-26-1995
A multifunctional shoe having a self-ventilating system and a shock-absorbing system, includes a ring-shaped heel chamber member disposed in a heel portion of an outsole of the shoe and a squeezing chamber member disposed in the ring-shaped heel chamber member, the heel chamber member and the squeezing...     
5505010 Ventilating shoes Apr-9-1996
Ventilation of shoes is efficiently performed by converting an ambulatory movement of the pumping moment of a ventilator in order to eliminate stuffiness and odor in the shoes. The ventilator is comprised of an air groove having a plurality of ventilating holes on the shoe sole, a pump provided inside...     
5515622 Shoe construction May-14-1996
A ventilation system for footwear having an upper and sole assembly in which perforations or openings in the sole assembly connect the interior of the shoe through a duct or passage into a pumping chamber or air bag. A pair of one-way valves connect the duct to the chamber or air bag and from the chamber...     
5537762 Dynamic athletic shoe sole Jul-23-1996
A dynamic athletic shoe sole wherein a composite sole is provided with dynamic air cylinders for cushioning the alternate weighting and unweighting of the athletic shoe by a wearer's walking or running.
5551173 Comfort insole Sep-3-1996
A reversible insole having a composite structure in which a base insole layer of resilient cushioning material has fabric bonded to its opposite surfaces. Protuberances extend from one surface so the insole may be worn as either a massaging insole or a comfort insole. The insole may be printed with a...     
5584130 Therapeutic and insulating insole Dec-17-1996
The invention pertains to an improved insole that combines insulating and therapeutic properties. The insole consists of a sandwich of several materials, namely a mesh that is adapted to rest on the bottom of some footwear, an aluminum foil whose shiny face is fixed with an adhesive onto the top face...     
Waterproof and transpiring sole for footgear including a tread made of leather or similar material which is at least partially covered, in an upward region, by a membrane made of vapor-permeable and waterproof material. The tread is assembled, at least along its perimeter, together with at least one...     
5606806 Self-ventilating footwear Mar-4-1997
Ventilated footwear has in a sole thereof a pumping chamber formed in a heel portion of the sole and bounded by two parallel top and bottom walls and a peripheral wall which is resilient to bias the pumping chamber and has converging upper and lower wall portions extending from the top and bottom walls...     
A sheet material which includes an apertured top layer formed of a non-absorbant, thermally non-conductive thermoplastic material, a non-woven layer having a first portion formed of a mixture of moisture-wicking and moisture-absorbent fibers affixed to the top layer, and, optionally, a second portion...     
5675914 Air circulating footbed Oct-14-1997
A removable footbed is provided which circulates air and provides shock absorption. The footbed is constructed from a layer of moldable material molded with a concave bump in the heel area and a number of concave, intersecting channels in the remainder of the footbed. Both the concave bump and the channels...     
5697170 Air cooled shoe Dec-16-1997
A ventilated shoe for ventilating the foot is disclosed. The ventilated shoe contains an outer sole (14). A heel pad (16) is disposed at the rear end of the outer sole (14). An intake manifold (26) is disposed near the front of the outer sole (14). The intake manifold (26) is connected to pump cells...     
5697171 Air heels Dec-16-1997
An air heel configuration to be used in the construction of a shoe of any type, whether high-heel or flat heel, in which an inner heel portion is activated as the wearer steps downward to move a spring-loaded plunger upward, opening an outlet ball valve, forcing air into a pocket in the inner sole, the...     
A sheet material which includes an apertured top layer formed of a non-absorbant, thermally non-conductive thermoplastic material, a non-woven layer having a first portion formed of a mixture of moisture-wicking and moisture-absorbent fibers affixed to the top layer, and, optionally, a second portion...     
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