WO1990009746A1 - Inner composite sole for sports shoe - Google Patents
Inner composite sole for sports shoe Download PDFInfo
- Publication number
- WO1990009746A1 WO1990009746A1 PCT/FR1990/000121 FR9000121W WO9009746A1 WO 1990009746 A1 WO1990009746 A1 WO 1990009746A1 FR 9000121 W FR9000121 W FR 9000121W WO 9009746 A1 WO9009746 A1 WO 9009746A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sports shoe
- shoe according
- support
- heel
- composite insole
- 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.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/141—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form having an anatomical or curved form
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- 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
- 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
- A43B13/41—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process combined with heel stiffener, toe stiffener, or shank stiffener
-
- 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
- A43B17/14—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined made of sponge, rubber, or plastic materials
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
- A43B7/142—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the medial arch, i.e. under the navicular or cuneiform bones
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
- A43B7/143—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the lateral arch, i.e. the cuboid bone
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
- A43B7/144—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the heel, i.e. the calcaneus bone
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
- A43B7/1445—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the midfoot, i.e. the second, third or fourth metatarsal
Definitions
- the present invention relates to a composite insole of a sports shoe, absorbing vibrations and correcting, intended to allow a better static and dynamic balance of the foot and the disappearance of many painful phenomena of the foot and of the whole apparatus. locomotor.
- shoes adapted to each sport tennis, foot ⁇ ball, basketball, rugby, skiing, athletics, handball, volleyball, fencing, skating ...) of conventional construction generally comprising 3 or 4 constituent parts: 1 ) an outsole or "sole" proper ⁇ ment; 2) a midsole; 3) a top made of leather, synthetic material or other materials; 4) an insole or first insole.
- Sports shoes have been considerably improved over the past twenty years with the introduction of new materials and new designs, for example.
- the tennis or basketball shoe made of canvas with a thin, non-stabilizing sole, has in fact evolved into a shoe comprising: an upper usually made of leather, a thicker outer and intermediate sole assembly .
- the ski boot has seen the disappearance of leather in favor of plastic shells.
- the standard insole also described as first of cleanliness, did not benefit from the same technological improvements. It is considered, in general, as an element of cleanliness, intended to isolate the foot from the bottom of the shoe, to reduce friction in order to allow better comfort and to partially absorb sweat from the foot. It is usually made up of a thin layer of a low density material such as polyurethane foam, of polystyrene that does not have sufficient shock absorption capacity.
- these insoles offer either orthopedic support or discrete cushioning, which does not represent a solution to the problem of preventing osteo-musculo-ligament and articular pathology of the lower limb and spine of athletes.
- some of these soles are made of short-lived materials which lose their original characteristics within a few weeks.
- an insole providing both a shock absorbing and support system of the foot in light composite material was necessary in order to prevent the appearance of: osteo-ligamentary and articular pathologies predominant in the lower limb and spine (ankle, knee, meniscus, hip, cervical and lumbar spine), patho ⁇ musculo-tendinous logies (Achilles tenosynovitis, cruralgia, pubalgia, sciatica, neck pain), bone and cartilaginous pathologies (tarsus, calcaneus, tibia, kneecap, femur, spine), micro-trauma, fatigue fractures (tarsus, tibia, fibula, femur).
- the object of the present invention is therefore to propose a composite sports shoe insole, provided both with a vibration absorbing system and with orthopedic reliefs performing standard correction and static stabilization. and dynamic foot, which aims to remedy these drawbacks.
- This sole using suitable materials, is intended to allow sportspeople: intense practice of their activity in greater comfort conditions, the possibility of increasing their performance, and the prevention of osteo-musculo-ligament and articular pathologies. .
- the present invention is made up of 5 elements with a long lifespan (from 4 months to 2 years approx. depending on the intensity of use).
- a meta-heel-shell (1) shell with flat heel cup (6), outline of foot arch and retro-capital support (7), made of a material combining rigidity and flexibility like: "AMORPHOUS “,” ARAMINE “, carbon, fiberglass,” KEVLAR “,” RESIN EPOXYDE “,” POLYESTER “,” TWARON “, or” NOENE “compact, polyurethane or polyethylene foam allowing better static and dynamic stabilization of the foot and an easier action of the foot muscles during the propulsion phase.
- An oval heel cushioning system (2) located under the metatarsal-heel cup (1) made of a vibration absorbing composite material such as "NOENE”, “VISCOLAS”, “SPENCO”, “EVA”, “PODIANE”, “ SORBOTHANE”, silicone foam.
- Arch support and retro-capital support consisting of a self-molding and thermo-molding material of the reticulated closed cell foam type, "PLASTAZOTE" or silicone foam.
- This system allows an increase in surface area carriers of the metatarsals, thereby reducing the pressure exerted on the metatarsal heads and providing better stabilization of the foot.
- VISCOLAS "SPENCO”, “EVA”, “PODIANE”, “SORBOTHANE” covered all of the aforementioned elements with a projection of 1 to 3mm at the level of the metatarsal-heel shell (1) and covered with cotton fabric or synthetic.
- the invention has the following advantages: the insole of a sports shoe is provided with both a vibration absorbing system and orthopedic reliefs, achieving a standard correction, static and dynamic stabilization of the foot allowing dynamic molding from the foot to the wearing of the sole. It has a long lifespan and is removable which allows athletes to use the same sole for different types of shoe depending on the sport.
- the metatarsal-heel cup (1) combining rigidity and flexibility allows better lateral stabilization of the hindfoot thanks to the flat heel cup (6) distributing the pressure of the body weight during the reception and support phases on the the entire plantar surface of the heel.
- the shell (1) thanks to the elasticity of the materials which constitute it, promotes the action of the propelling muscles. This stabilizing action is increased by the existence of a plantar arch and retro-capital support (7).
- the heel cushioning system (2) in ovoid shape makes it possible to disperse the vibrations during the impact of the foot on the ground and reduce the tension of the Achilles tendon by raising the meta-tarso-heel shell (1).
- the support of the forefoot (3) made of self-molding or cushioning honeycomb material gives a better seat to the toes and metatarsal heads, thus reducing the "grasping" effect of the toes.
- the arch support can include a relief providing a stimulation point for the arch support muscles, intended to limit sagging of the arch.
- the upper (5) of the vibration-absorbing sole aims to prevent osteo-musculo-ligament and joint pathologies of the lower limbs and spine. Its overhang at the level of the metatarsal-heel shell (1) allows a better adaptation of the sole to the internal walls of the shoe and protection against friction injuries due to the shell (1).
- the insole of a sports shoe as described above can be produced with the support of the forefoot (3) and the top (5) limited in front to the line formed by the head of the metatarsals.
- the heel cushioning system (2) can be placed on the upper face of the metatarsal-heel shell (1) under the top (5) of the sole.
- the metatarsal-heel cup (1) extends forward under the toes.
- the insole of a sports shoe can include reliefs: pronator wedges, supinator wedges; arranged on the underside of the sole, giving it orthopedic properties. The choice and placement of these reliefs can be carried out according to the indications of a doctor or a podiatrist depending on the architecture of the foot.
- the inner sole of a sports shoe or its variants can be either removable, with or without an adhesive system or of VELCRO type, arranged on the underside of the sole, or integrated into the sports shoe, becoming an inseparable element of the sports shoe, such as for example the water ski shoe, ice skates, roller skates.
- the elements of the sole can be made of an identical material or of different materials.
- the list of materials mentioned above is not exhaustive.
- the elements of the sole of the sports shoe can be assembled together by gluing, welding, sewing or else produced in a single piece, for example injected into a mold.
- - fig. 1 is a sagittal section showing the insole of a sports shoe inserted into a conventional sports shoe.
- - fig. 2 is a perspective view of this sole.
- - fig. 3 is a cross section of the front part of this sole according to line II of FIG. 2
- - fig. 4 is a cross section of the retro-capital support (4) of this sole according to line II-II of FIG. 2
- - fig. 5 is a cross section of the arch of the foot (4) of this sole according to line III-III of FIG. 2
- - fig. 6 is a cross section of the heel cup (6) of this sole according to line IV-IV of FIG. 2
- - fig. 7 is a median longitudinal section of this sole along the line V-V of FIG. 2
- FIG. 1 shows a sagittal section of the insole of a sports shoe, inserted into a conventional sports shoe. It consists of a metatarsal-heel shell (1) made of a material combining rigidity and flexibility, of a heel shock absorber system (2) of composite vibration-absorbing material, of a forefoot support (3 ) in self-molding or cushioning honeycomb material, a support of the plan ⁇ vault and retro-capital support (4) made of a self-molding or cushioning honeycomb material and a top (5) shock absorber covered with 'u cotton or synthetic fabric. All of these elements can be assembled for example by gluing, sewing, welding or produced by injection molding. The underside of the sole can be covered with an adhesive or VELCRO type system which allows this sole to be secured to the bottom of the sports shoe.
- fig. 2 shows a perspective view of the insole of a sports shoe, consisting of the 5 elements previously described: the metatarsal-heel shell (1), the heel damping system (2), the support of the forefoot ( 3), the arch support and retro-capital support (4) and the top (5) shock absorber.
- fig. 3 shows a transverse section of the front part of this sole, consisting of a support of the forefoot (3) made of self-molding or absorbent woven material with a honeycomb thickness of approximately 2 mm and a top ( 5) amor weaver in vibration-absorbing material, approximately 2mm thick.
- fig. 4 shows a cross section of this sole at the level of the retro-capital support, consisting of the anterior part of the metatarsal-heel shell (1) covered by a retro-capital support (4) of 4 mm thickness at its center and decreasing up to 0.5mm thick at its periphery, on which comes the top (5). damper.
- fig. 5 shows a cross section of the support of the arch of this sole, made up of the metatarsal-heel shell (1), covered in its internal part by a support of the arch (4), of 0 , 5 to 4mm thick, on which comes the top (5) shock absorber.
- fig. 6 shows a cross section of the heel cup (6) of this sole, consisting of the metatarsal-heel shell (1) 1 to 3 mm thick resting on the heel shock absorber system (2) made of an absorbent material vibrations 2mm thick and covered by the top (5) shock absorber made of a material absorbing vibrations 2mm thick, having an overhang relative to the shell (1) of 1 to 3mm.
- fig. 7 shows a median longitudinal section of this sole consisting of the meta-tarso-heel shell (1), the heel cushioning system (2), the forefoot support (3), the support of the support retro-capital (4) and top (5) shock absorber projecting from the metatarsal-heel shell (1) at the heel.
- fig. 10 shows a variant of this sole, identical to the description above, but with a different arrangement of the elements constituting the heel part of this sole; the heel cushioning system (2) being located above above and not below the metatarsal-heel shell (1) and covered by the top (5).
- the present invention is not limited to sports shoes, but can be applied in any sports material supporting the foot, in particular roller skating, ice skating, water skiing shoes, in which it would prove advantageous.
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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)
Abstract
Description
T ITRE DE L'INVENTION : Semelle intérieure composite de chaussure de sport.T ITRE OF THE INVENTION: Composite insole of sports shoes.
La présente invention concerne une semelle intérieure composite de chaussure de sport, absorbant les vibrations et correctrice, desti¬ née à permettre un meilleur équilibre statique et dynamique du pied et la disparition de nombreux phénomènes douloureux du pied et de l'ensemble de l'appareil locomoteur. II existe des chaussures adaptées à chaque sport (tennis, foot¬ ball, basket, rugby, ski, athlétisme, hand-ball, volley-ball, escrime, patinage...) de construction classique comprenant généralement 3 ou 4 parties constitutives : 1) une semelle extérieure ou "semelle" propre¬ ment-dite ; 2) une semelle intercalaire ; 3) un dessus constitué de cuir, de matière synthétique ou d'autres matières ; 4) une semelle intérieu¬ re ou première de propreté. Les chaussures de sport ont, depuis une vingtaine d'années, été considérablement améliorées avec l'introduc¬ tion de nouveaux matériaux et de nouvelles conceptions par exemple. La chaussure de tennis ou de basket, réalisée en toile avec une semel- le de faible épaisseur, non stabilisatrice, a, en effet, évolué vers une chaussure comportant : un dessus habituellement en cuir, un ensem¬ ble semelle extérieure et intermédiaire plus épais. De même la chaus¬ sure de ski a vu la disparition du cuir au profit des coques plastiques. Cependant, la semelle intérieure standard, qualifiée également de pre mière de propreté, n'a pas bénéficié des mêmes perfectionnement technologiques. Elle est considérée, en général, comme un élément d propreté, destiné à isoler le pied du fond de la chaussure, à diminue les frottements afin de permettre un meilleur confort et à absorber d manière partielle la sudation du pied. Elle est, habituellement consti tuée d'une couche mince d'un matériau de faible densité de type mousse de polyuréthane, de polystyrène n'ayant pas de capacité d'ab sorption des chocs suffisante. Elle peut présenter de discrets reliefs a niveau du talon et de la voûte plantaire, qui ne permettent pas d'assu rer, en général, un maintien adapté des articulations du pied et de l voûte plantaire. Malgré les améliorations techniques apportées, le chaussures de sport présentent un certain nombre d'inconvénients e ne préviennent pas la survenue de pathologies ostéo-ligamentaires articulaires et musculo-tendineuses de l'ensemble de l'appareil locomoteur. Pour pallier à ces inconvénients, des semelles intérieures améliorées ont été proposées pour remplacer la semelle intérieure standard existante des chaussures vendues dans le commerce. Ces semelles intérieures améliorées sont prémoulées avec pour certaines un soutien de la voûte plantaire, en général, assez rudimentaire. Ces semelles sont parfois renforcées au niveau du talon par un matériau rigide, de type :"BIRKO-KORK" ou matière plastique dure alourdissant les chaussures. Ainsi, ces semelles proposent dans leur ensemble soit un soutien de type orthopédique, soit un amortissement discret, ne représentant pas une solution au problème de prévention de la patho¬ logie ostéo-musculo-ligamentaire et articulaire du membre inférieur et du rachis des sportifs. De plus, certaines de ces semelles sont cons¬ tituées de matériaux à durée de vie brève qui perdent leurs caracté- ristiques d'origine en quelques semaines. Compte tenu de l'augmen¬ tation du nombre de compétitions ou d'entraînements sportifs, effec¬ tués sur des sols durs : asphalte, béton, ciment, neige verglassée, glace, une semelle intérieure réalisant à la fois un système amortisseur et de soutien du pied en matériau composite léger s'est avéré nécessaire afin de prévenir l'apparition de : pathologies ostéo-ligamentaires et articulaires prédominant au niveau du membre inférieur et du rachis (cheville, genou, ménisque, hanche, rachis cervical et lombaire), patho¬ logies musculo-tendineuses (ténosynovite achilléenne, cruralgies, pubalgies, sciatalgies, cervicalgies), pathologies osseuses et cartilagi- neuses (tarse, calcanéum, tibia, rotule, fémur, rachis), micro-trauma- tismes, fractures de fatigue (tarse, tibia, péroné, fémur).The present invention relates to a composite insole of a sports shoe, absorbing vibrations and correcting, intended to allow a better static and dynamic balance of the foot and the disappearance of many painful phenomena of the foot and of the whole apparatus. locomotor. There are shoes adapted to each sport (tennis, foot¬ ball, basketball, rugby, skiing, athletics, handball, volleyball, fencing, skating ...) of conventional construction generally comprising 3 or 4 constituent parts: 1 ) an outsole or "sole" proper¬ ment; 2) a midsole; 3) a top made of leather, synthetic material or other materials; 4) an insole or first insole. Sports shoes have been considerably improved over the past twenty years with the introduction of new materials and new designs, for example. The tennis or basketball shoe, made of canvas with a thin, non-stabilizing sole, has in fact evolved into a shoe comprising: an upper usually made of leather, a thicker outer and intermediate sole assembly . Likewise, the ski boot has seen the disappearance of leather in favor of plastic shells. However, the standard insole, also described as first of cleanliness, did not benefit from the same technological improvements. It is considered, in general, as an element of cleanliness, intended to isolate the foot from the bottom of the shoe, to reduce friction in order to allow better comfort and to partially absorb sweat from the foot. It is usually made up of a thin layer of a low density material such as polyurethane foam, of polystyrene that does not have sufficient shock absorption capacity. It may present discreet reliefs in the heel and the arch of the foot, which generally do not provide adequate support for the joints of the foot and the arch of the foot. Despite the technical improvements made, sports shoes have a number of disadvantages and do not prevent the occurrence of osteo-ligamentous pathologies joint and musculo-tendon of the whole musculoskeletal system. To overcome these drawbacks, improved insoles have been proposed to replace the existing standard insole of shoes sold commercially. These improved insoles are pre-molded with, for some, arch support, generally quite rudimentary. These soles are sometimes reinforced at the heel by a rigid material, of the type: "BIRKO-KORK" or hard plastic material weighing down the shoes. Thus, these insoles as a whole offer either orthopedic support or discrete cushioning, which does not represent a solution to the problem of preventing osteo-musculo-ligament and articular pathology of the lower limb and spine of athletes. In addition, some of these soles are made of short-lived materials which lose their original characteristics within a few weeks. In view of the increase in the number of competitions or sports training sessions, carried out on hard floors: asphalt, concrete, cement, frozen snow, ice, an insole providing both a shock absorbing and support system of the foot in light composite material was necessary in order to prevent the appearance of: osteo-ligamentary and articular pathologies predominant in the lower limb and spine (ankle, knee, meniscus, hip, cervical and lumbar spine), patho ¬ musculo-tendinous logies (Achilles tenosynovitis, cruralgia, pubalgia, sciatica, neck pain), bone and cartilaginous pathologies (tarsus, calcaneus, tibia, kneecap, femur, spine), micro-trauma, fatigue fractures (tarsus, tibia, fibula, femur).
La présente invention a, en conséquence, pour objet de proposer une semelle intérieure composite de chaussure de sport,dotée, à la fois, d'un système absorbant les vibrations et de reliefs de type ortho- pédique réalisant une correction standard et une stabilisation statique et dynamique du pied, qui vise à remédier à ces inconvénients. Cette semelle, utilisant des matériaux adaptés est destinée à permettre aux sportifs : une pratique intense de leur activité dans des conditions de confort plus grandes, la possiblité d'accroître leurs performances, et la prévention des pathologies ostéo-musculo-ligamentaires et articulai¬ res. En vue d'atteindre cet objectif, la présente invention est consti¬ tuée de 5 éléments de durée de vie longue (de 4 mois à 2 ans enviro selon l'intensité de l'utilisation). Ces éléments sont : une coque méta- tarso-talonnière (1) avec cuvette talonnière plane (6), ébauche de voûte plantaire et d'appui rétro-capital (7), constituée d'un matériau alliant rigidité et flexibilité comme : "AMORPHOUS", "ARAMINE", car- bone, fibre de verre, "KEVLAR", "RESINE EPOXYDE", "POLYESTER", "TWARON", ou "NOENE" compact, mousse polyuréthane ou polyéthy- lène permettant une meilleure stabilisation statique et dynamique du pied et une action facilitée des muscles du pied lors de la phase de propulsion. Un système amortisseur talonnier (2) ovoïde, situé sous la coqu métatarso-talonnière (1) constitué d'un matériau composite absorban les vibrations comme "NOENE", "VISCOLAS", "SPENCO", "EVA", "PODIANE", "SORBOTHANE", mousse de silicone.The object of the present invention is therefore to propose a composite sports shoe insole, provided both with a vibration absorbing system and with orthopedic reliefs performing standard correction and static stabilization. and dynamic foot, which aims to remedy these drawbacks. This sole, using suitable materials, is intended to allow sportspeople: intense practice of their activity in greater comfort conditions, the possibility of increasing their performance, and the prevention of osteo-musculo-ligament and articular pathologies. . In order to achieve this objective, the present invention is made up of 5 elements with a long lifespan (from 4 months to 2 years approx. depending on the intensity of use). These elements are: a meta-heel-shell (1) shell with flat heel cup (6), outline of foot arch and retro-capital support (7), made of a material combining rigidity and flexibility like: "AMORPHOUS "," ARAMINE ", carbon, fiberglass," KEVLAR "," RESIN EPOXYDE "," POLYESTER "," TWARON ", or" NOENE "compact, polyurethane or polyethylene foam allowing better static and dynamic stabilization of the foot and an easier action of the foot muscles during the propulsion phase. An oval heel cushioning system (2), located under the metatarsal-heel cup (1) made of a vibration absorbing composite material such as "NOENE", "VISCOLAS", "SPENCO", "EVA", "PODIANE", " SORBOTHANE ", silicone foam.
Un support de l'avant-pied (3) prolongeant vers l'avant la coqu métatarso-talonnière (1) constitué d'un matériau auto-moulant e thermo-moulant de type : mousse réticulée à cellules fermée "PLASTAZOTE", mousse de silicone, ou matériau amortissant alvéolé d type :"NOENE", "VISCOLAS", "SPENCO", "EVA", "PODIANE" "SORBOTHANE", permettant de réaliser une meilleure assise des orteil et des têtes métatarsiennes.A forefoot support (3) extending forwards the metatarsal heel cup (1) made of a self-molding and heat-molding material of the type: cross-linked foam with closed cells "PLASTAZOTE", foam silicone, or cushioned cushioning material of the type: "NOENE", "VISCOLAS", "SPENCO", "EVA", "PODIANE" "SORBOTHANE", allowing better toe and metatarsal head sitting.
Un soutien de la voûte plantaire et un appui rétro-capital (4 constitué d'un matériau auto-moulant et thermo-moulant de typ mousse réticulée à cellules fermées, "PLASTAZOTE" ou mousse d silicone. Ce système permet une augmentation de la surface porteus des métatarsiens, diminuant ainsi la pression s'exerçant au niveau de têtes métatarsiennes et apportant une meilleure stabilisation du pied.Arch support and retro-capital support (4 consisting of a self-molding and thermo-molding material of the reticulated closed cell foam type, "PLASTAZOTE" or silicone foam. This system allows an increase in surface area carriers of the metatarsals, thereby reducing the pressure exerted on the metatarsal heads and providing better stabilization of the foot.
Un dessus (5) amortisseur constitué d'un matériau absorbant le vibrations et conservant ou non l'énergie cinétique, de type : "NOENEA damping top (5) made of a material absorbing vibrations and conserving or not kinetic energy, of the type: "NOENE
"VISCOLAS", "SPENCO", "EVA", "PODIANE", "SORBOTHANE" recouvra l'ensemble des éléments précités avec un débord de 1 à 3mm a niveau de la coque métatarso-talonnière (1) et recouvert de tissu d coton ou synthétique."VISCOLAS", "SPENCO", "EVA", "PODIANE", "SORBOTHANE" covered all of the aforementioned elements with a projection of 1 to 3mm at the level of the metatarsal-heel shell (1) and covered with cotton fabric or synthetic.
L'invention présente les avantages suivants : la semelle intérieur de chaussure de sport est dotée à la fois d'un système absorbant l vibrations et de reliefs de type orthopédique, réalisant une correctio standard, une stabilisation statique et dynamique du pied permettant un moulage dynamique du pied au port de la semelle. Elle a une durée de vie longue et est amovible ce qui permet aux sportifs d'utiliser la même semelle pour différents types de chaussure en fonction du sport pratiqué.The invention has the following advantages: the insole of a sports shoe is provided with both a vibration absorbing system and orthopedic reliefs, achieving a standard correction, static and dynamic stabilization of the foot allowing dynamic molding from the foot to the wearing of the sole. It has a long lifespan and is removable which allows athletes to use the same sole for different types of shoe depending on the sport.
La coque métatarso-talonnière (1) alliant rigidité et flexibilité permet une meilleure stabilisation latérale de l'arrière pied grâce à la cuvette talonnière plane (6) répartissant la pression du poids du corps lors des phases de réception et d'appui sur l'ensemble de la surface plantaire du talon. A la phase de propulsion, la coque (1) grâce à l'élasticité des matériaux qui la constitue, favorise l'action des muscles propulseurs. Cette action stabilisatrice est accrue par l'existence d'une ébauche de voûte plantaire et d'appui rétro-capital (7).The metatarsal-heel cup (1) combining rigidity and flexibility allows better lateral stabilization of the hindfoot thanks to the flat heel cup (6) distributing the pressure of the body weight during the reception and support phases on the the entire plantar surface of the heel. During the propulsion phase, the shell (1) thanks to the elasticity of the materials which constitute it, promotes the action of the propelling muscles. This stabilizing action is increased by the existence of a plantar arch and retro-capital support (7).
Le système amortisseur talonnier (2) de forme ovoïde permet de disperser les vibrations lors de l'impact du pied sur le sol et diminuer la tension du tendon d'Achille par une surélévation de la coque méta- tarso-talonnière (1).The heel cushioning system (2) in ovoid shape makes it possible to disperse the vibrations during the impact of the foot on the ground and reduce the tension of the Achilles tendon by raising the meta-tarso-heel shell (1).
Le support de l'avant-pied (3) réalisé en matériau auto-moulant ou amortissant alvéolé donne une meilleure assise aux orteils et aux têtes métatarsiennes, diminuant ainsi l'effet de "grasping" des orteils. Le soutien de la voûte plantaire et l'appui rétro-capital (4) réalisé en un matériau auto-moulant et thermo-moulant, amortissant alvéolé ou en mousse de silicone qui d'une part soulage la tension des muscles suspenseurs et de soutènement de la voûte plantaire, évitant la survenue d'aponévrosites plantaires et d'autre part comble le creux physiologique de la face plantaire des os du tarse, répartissant la pression entre les différents os du tarse par augmentation de la surface porteuse et permettant une meilleure sensation du sol, du fait de l'augmentation de récepteurs plantaires stimulés (sensibilité proprioceptive accrue). Le soutien de la voûte plantaire peut comporter un relief réalisant un point de stimulation des muscles de soutènement de la voûte plantaire, destiné à limiter l'affaissement de la voûte.The support of the forefoot (3) made of self-molding or cushioning honeycomb material gives a better seat to the toes and metatarsal heads, thus reducing the "grasping" effect of the toes. The arch support and the retro-capital support (4) made of a self-molding and thermo-molding material, shock absorbing honeycomb or silicone foam which on the one hand relieves the tension of the suspensory and supporting muscles of the arch, avoiding the occurrence of plantar fascia and on the other hand fills the physiological hollow of the plantar surface of the tarsal bones, distributing the pressure between the different tarsal bones by increasing the load-bearing surface and allowing a better feeling of the soil, due to the increase in stimulated plantar receptors (increased proprioceptive sensitivity). The arch support can include a relief providing a stimulation point for the arch support muscles, intended to limit sagging of the arch.
Le dessus (5) de la semelle amortissant les vibrations, vise à prévenir les pathologies ostéo-musculo-ligamentaires et articulaires des membres inférieurs et du rachis. Son débord au niveau de la coque métatarso-talonnière (1) permet une meilleure adéquation de la semelle aux parois internes de la chaussure et une protection contre les lésions de frottement dues à la coque (1). Suivant une autre caractéristique de l'invention, la semelle intérieure de chaussure de sport, telle qu'elle est décrite ci-dessus peut être réalisée avec le support de l'avant-pied (3) et le dessus (5) limité en avant à la ligne formée par la tête des métatarsiens. Suivant une autre caractéristique de l'invention, le système amortisseur talonnier (2) peut être placé à la face supérieure de la coque métatarso-talonnière (1) sous le dessus (5) de la semelleThe upper (5) of the vibration-absorbing sole, aims to prevent osteo-musculo-ligament and joint pathologies of the lower limbs and spine. Its overhang at the level of the metatarsal-heel shell (1) allows a better adaptation of the sole to the internal walls of the shoe and protection against friction injuries due to the shell (1). According to another characteristic of the invention, the insole of a sports shoe, as described above can be produced with the support of the forefoot (3) and the top (5) limited in front to the line formed by the head of the metatarsals. According to another characteristic of the invention, the heel cushioning system (2) can be placed on the upper face of the metatarsal-heel shell (1) under the top (5) of the sole.
Suivant une autre caractéristique de l'invention, la coque métatarso-talonnière (1) se prolonge en avant sous les orteils. Suivant une autre caractéristique de l'invention, la semelle intérieure de chaussure de sport, peut comporter des reliefs : coins pronateurs, coins supinateurs ; disposés à la face inférieure de la semelle, lui conférant des propriétés orthopédiques. Le choix et la mise en place de ces reliefs peuvent être réalisés selon les indications d'un médecin ou d'un podologue en fonction de l'architecture du pied. Suivant une autre caractéristique de l'invention, la semelle inté¬ rieure de chaussure de sport ou ses variantes peuvent être soit amo¬ vibles, avec ou sans système adhésif ou de type VELCRO, disposé à la face inférieure de la semelle, soit intégrées à la chaussure de sport, devenant un élément indissociable de la chaussure de sport, comme par exemple la chaussure de ski nautique, de patins à glace, de patins à roulettes.According to another characteristic of the invention, the metatarsal-heel cup (1) extends forward under the toes. According to another characteristic of the invention, the insole of a sports shoe can include reliefs: pronator wedges, supinator wedges; arranged on the underside of the sole, giving it orthopedic properties. The choice and placement of these reliefs can be carried out according to the indications of a doctor or a podiatrist depending on the architecture of the foot. According to another characteristic of the invention, the inner sole of a sports shoe or its variants can be either removable, with or without an adhesive system or of VELCRO type, arranged on the underside of the sole, or integrated into the sports shoe, becoming an inseparable element of the sports shoe, such as for example the water ski shoe, ice skates, roller skates.
Suivant une autre caractéristique de l'invention, les éléments de la semelle peuvent être constitués d'un matériau identique ou de matériaux différents. La liste des matériaux cités plus haut n'étant pas limitative.According to another characteristic of the invention, the elements of the sole can be made of an identical material or of different materials. The list of materials mentioned above is not exhaustive.
Suivant une autre caractéristique de l'invention, les éléments de la semelle de la chaussure de sport peuvent être assemblés entre eux par collage, soudure, couture ou bien réalisés de manière monobloc par exemple injectés dans un moule.According to another characteristic of the invention, the elements of the sole of the sports shoe can be assembled together by gluing, welding, sewing or else produced in a single piece, for example injected into a mold.
L'invention est représentée à titre d'exemple non limitatif sur les dessins ci-joints, dans lesquels :The invention is shown by way of nonlimiting example in the accompanying drawings, in which:
- la fig. 1 est une coupe sagittale montrant la semelle intérieur de chaussure de sport insérée dans une chaussure de sport conventi onnelle.- fig. 1 is a sagittal section showing the insole of a sports shoe inserted into a conventional sports shoe.
- la fig. 2 est une vue en perspective de cette semelle. - la fig. 3 est une coupe transversale de la partie antérieure de cette semelle selon la ligne I-I de la fig. 2- fig. 2 is a perspective view of this sole. - fig. 3 is a cross section of the front part of this sole according to line II of FIG. 2
- la fig. 4 est une coupe transversale de l'appui rétro-capital (4) de cette semelle selon la ligne II-II de la fig. 2 - la fig. 5 est une coupe transversale de la voûte plantaire (4) de cette semelle selon la ligne III-III de la fig. 2- fig. 4 is a cross section of the retro-capital support (4) of this sole according to line II-II of FIG. 2 - fig. 5 is a cross section of the arch of the foot (4) of this sole according to line III-III of FIG. 2
- la fig. 6 est une coupe transversale de la cuvette talonnière (6) de cette semelle selon la ligne IV-IV de la fig. 2- fig. 6 is a cross section of the heel cup (6) of this sole according to line IV-IV of FIG. 2
- la fig. 7 est une coupe longitudinale médiane de cette semelle selon la ligne V-V de la fig. 2- fig. 7 is a median longitudinal section of this sole along the line V-V of FIG. 2
- la fig. 8 est une vue de dessous de cette semelle- fig. 8 is a bottom view of this sole
- les fig. 9, 10 et 11 représentent des coupes longitudinales médianes des variantes de cette invention.- figs. 9, 10 and 11 show median longitudinal sections of the variants of this invention.
On se reportera, tout d'abord, à la fig. 1 qui montre une coupe sagittale de semelle intérieure de chaussure de sport, insérée dans une chaussure de sport conventionnelle. Elle est constituée d'une coque métatarso-talonnière (1) en matériau alliant rigidité et flexi¬ bilité, d'un système amortisseur talonnier (2) en matériau composite absorbant les vibrations, d'un support de l'avant-pied (3) en matériau auto-moulant ou amortissant alvéolé, d'un soutien de la voûte plan¬ taire et appui rétro-capital (4) constitué d'un matériau auto-moulan ou amortissant alvéolé et d'un dessus (5) amortisseur recouvert d'u tissu de coton ou synthétique. L'ensemble de ces éléments peuven être assemblés par exemple par collage, couture, soudure ou réalisé par moulage injecté. La face inférieure de la semelle peut être recou verte d'un système adhésif ou de type VELCRO qui permet de solidari ser cette semelle au fond de la chaussure de sport.We will refer, first of all, to FIG. 1 which shows a sagittal section of the insole of a sports shoe, inserted into a conventional sports shoe. It consists of a metatarsal-heel shell (1) made of a material combining rigidity and flexibility, of a heel shock absorber system (2) of composite vibration-absorbing material, of a forefoot support (3 ) in self-molding or cushioning honeycomb material, a support of the plan¬ vault and retro-capital support (4) made of a self-molding or cushioning honeycomb material and a top (5) shock absorber covered with 'u cotton or synthetic fabric. All of these elements can be assembled for example by gluing, sewing, welding or produced by injection molding. The underside of the sole can be covered with an adhesive or VELCRO type system which allows this sole to be secured to the bottom of the sports shoe.
On se reportera, maintenant, à la fig. 2, qui montre une vue e perspective de la semelle intérieure de chaussure de sport, constitué des 5 éléments précédemment décrits : la coque métatarso-talonnièr (1), le système amortisseur talonnier (2), le support de l'avant-pie (3), le soutien de la voûte plantaire et appui rétro-capital (4) et l dessus (5) amortisseur .We will now refer to fig. 2, which shows a perspective view of the insole of a sports shoe, consisting of the 5 elements previously described: the metatarsal-heel shell (1), the heel damping system (2), the support of the forefoot ( 3), the arch support and retro-capital support (4) and the top (5) shock absorber.
On se reportera, maintenant, à la fig. 3, qui montre une coup transversale de la partie antérieure de cette semelle, constituée d'u support de l'avant pied (3) réalisé en matériau auto-moulant ou amor tissant alvéolé de 2mm d'épaisseur environ et d'un dessus (5) amor tisseur en matériau amortissant les vibrations de 2mm d'épaisseur environ.We will now refer to fig. 3, which shows a transverse section of the front part of this sole, consisting of a support of the forefoot (3) made of self-molding or absorbent woven material with a honeycomb thickness of approximately 2 mm and a top ( 5) amor weaver in vibration-absorbing material, approximately 2mm thick.
On se reportera, maintenant, à la fig. 4, qui montre une coupe transversale de cette semelle au niveau de l'appui rétro-capital, cons- tituée de la partie antérieure de la coque métatarso-talonnière (1) recouverte par un appui rétro-capital (4) de 4mm d'épaisseur en son centre et décroissant jusqu'à 0,5mm d'épaisseur en sa périphérie, sur lequel vient le dessus (5). amortisseur.We will now refer to fig. 4, which shows a cross section of this sole at the level of the retro-capital support, consisting of the anterior part of the metatarsal-heel shell (1) covered by a retro-capital support (4) of 4 mm thickness at its center and decreasing up to 0.5mm thick at its periphery, on which comes the top (5). damper.
On se reportera, maintenant, à la fig. 5, qui montre une coupe transversale du soutien de la voûte plantaire de cette semelle, cons¬ titué de la coque métatarso-talonnière (1), recouverte à sa partie in¬ terne par un soutien de la voûte plantaire (4) , de 0,5 à 4mm d'épais¬ seur, sur lequel vient le dessus (5) amortisseur .We will now refer to fig. 5, which shows a cross section of the support of the arch of this sole, made up of the metatarsal-heel shell (1), covered in its internal part by a support of the arch (4), of 0 , 5 to 4mm thick, on which comes the top (5) shock absorber.
On se reportera, maintenant, à la fig. 6, qui montre une coupe transversale de la cuvette talonnière (6) de cette semelle, constituée de la coque métatarso-talonnière (1) de 1 à 3mm d'épaisseur reposant sur le système amortisseur talonnier (2) constitué d'un matériau absorbant les vibrations de 2mm d'épaisseur et recouverte par le dessus (5) amortisseur constitué d'un matériau absorbant les vibra- tions de 2mm d'épaisseur, présentant un débord par rapport à la coque (1) de 1 à 3mm.We will now refer to fig. 6, which shows a cross section of the heel cup (6) of this sole, consisting of the metatarsal-heel shell (1) 1 to 3 mm thick resting on the heel shock absorber system (2) made of an absorbent material vibrations 2mm thick and covered by the top (5) shock absorber made of a material absorbing vibrations 2mm thick, having an overhang relative to the shell (1) of 1 to 3mm.
On se reportera, maintenant, à la fig. 7, qui montre une coupe longitudinale médiane de cette semelle constituée de la coque méta¬ tarso-talonnière (1), du système amortisseur talonnier (2), du support de l'avant-pied (3), du soutien de l'appui rétro-capital (4) et du dessus (5) amortisseur débordant de la coque métatarso-talonnière (1) au niveau du talon.We will now refer to fig. 7, which shows a median longitudinal section of this sole consisting of the meta-tarso-heel shell (1), the heel cushioning system (2), the forefoot support (3), the support of the support retro-capital (4) and top (5) shock absorber projecting from the metatarsal-heel shell (1) at the heel.
On se reportera, maintenant, à la fig. 8, qui montre cette semelle vue de dessous avec le système amortisseur talonnier (2), la coque métatarso-talonnière (1) et le support de l'avant-pied (3).We will now refer to fig. 8, which shows this sole seen from below with the heel damping system (2), the metatarsal-heel shell (1) and the forefoot support (3).
On se reportera, maintenant, à la fig. 9, qui montre une variante de cette semelle, identique à la description ci-dessus, maïs se limitant en avant à la ligne formée par la tête des métatarsiens.We will now refer to fig. 9, which shows a variant of this sole, identical to the description above, corn is limited in front to the line formed by the head of the metatarsals.
On se reportera, maintenant, à la fig. 10, qui montre une variante de cette semelle, identique à la description ci-dessus, mais avec un arrangement différent des éléments constituant la partie talonnière de cette semelle ; le système amortisseur talonnier (2) étant situé au des- sus et non en dessous de la coque métatarso-talonnière (1) et recou¬ vert par le dessus (5).We will now refer to fig. 10, which shows a variant of this sole, identical to the description above, but with a different arrangement of the elements constituting the heel part of this sole; the heel cushioning system (2) being located above above and not below the metatarsal-heel shell (1) and covered by the top (5).
On se reportera, maintenant, à la fig. 11, qui montre une variante de cette semelle, indentique à la description ci-dessus, mais dont la coque métatarso-talonnière (1) se prolonge en avant sous les orteils.We will now refer to fig. 11, which shows a variant of this sole, identical to the description above, but whose metatarsal-heel shell (1) extends forward under the toes.
La présente invention ne se limite pas aux chaussures de sport, mais peut être appliquée dans tout matériel sportif supportant le pied, en particulier le patin à roulettes, le patin à glace, la chaussure de ski nautique, dans laquelle elle se révélerait avantageuse. The present invention is not limited to sports shoes, but can be applied in any sports material supporting the foot, in particular roller skating, ice skating, water skiing shoes, in which it would prove advantageous.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8902296A FR2643237B1 (en) | 1989-02-22 | 1989-02-22 | COMPOSITE SPORTS SHOE INSOLE |
| FR89/02296 | 1989-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1990009746A1 true WO1990009746A1 (en) | 1990-09-07 |
Family
ID=9379015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR1990/000121 Ceased WO1990009746A1 (en) | 1989-02-22 | 1990-02-20 | Inner composite sole for sports shoe |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2643237B1 (en) |
| WO (1) | WO1990009746A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992009214A1 (en) * | 1990-11-21 | 1992-06-11 | M.& C. Oswald Gesellschaft M.B.H. | Shoe and insole |
| DE4436762A1 (en) * | 1994-10-14 | 1996-04-18 | G P A Di Smaniotto Ferruccio | Sports shoe insole in heel area |
| DE19857568A1 (en) * | 1998-12-14 | 2000-06-15 | Ofa Bamberg Otto Fankhaenel & | Insole for shoe has cork or cork-like heel part, and fiber composite ball-of-the-foot part |
| US6684532B2 (en) * | 2001-11-21 | 2004-02-03 | Nike, Inc. | Footwear with removable foot-supporting member |
| US7182085B1 (en) | 1999-04-07 | 2007-02-27 | Coloplast A/S | Pressure relieving dressing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1586167A (en) * | 1968-08-08 | 1970-02-13 | ||
| DE8520936U1 (en) * | 1985-07-19 | 1985-10-03 | Fa. Karl Rathgeber, 7100 Heilbronn | Shoe sole |
| DE8700681U1 (en) * | 1987-01-15 | 1987-03-05 | Kühnreich, Heinz-Peter, 5210 Troisdorf | Orthopaedic insole or footbed |
| US4688338A (en) * | 1985-04-03 | 1987-08-25 | Northwest Podiatric Laboratories, Inc. | Orthotic insert for high heeled shoes |
| DE8717094U1 (en) * | 1987-12-30 | 1988-02-18 | Nehring, Roland, 5401 Alken | Shell bedding insert for shoes |
| US4774954A (en) * | 1987-02-09 | 1988-10-04 | Ibrahim Nabil A | Composite orthotic material and method |
-
1989
- 1989-02-22 FR FR8902296A patent/FR2643237B1/en not_active Expired - Lifetime
-
1990
- 1990-02-20 WO PCT/FR1990/000121 patent/WO1990009746A1/en not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1586167A (en) * | 1968-08-08 | 1970-02-13 | ||
| US4688338A (en) * | 1985-04-03 | 1987-08-25 | Northwest Podiatric Laboratories, Inc. | Orthotic insert for high heeled shoes |
| DE8520936U1 (en) * | 1985-07-19 | 1985-10-03 | Fa. Karl Rathgeber, 7100 Heilbronn | Shoe sole |
| DE8700681U1 (en) * | 1987-01-15 | 1987-03-05 | Kühnreich, Heinz-Peter, 5210 Troisdorf | Orthopaedic insole or footbed |
| US4774954A (en) * | 1987-02-09 | 1988-10-04 | Ibrahim Nabil A | Composite orthotic material and method |
| DE8717094U1 (en) * | 1987-12-30 | 1988-02-18 | Nehring, Roland, 5401 Alken | Shell bedding insert for shoes |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992009214A1 (en) * | 1990-11-21 | 1992-06-11 | M.& C. Oswald Gesellschaft M.B.H. | Shoe and insole |
| DE4436762A1 (en) * | 1994-10-14 | 1996-04-18 | G P A Di Smaniotto Ferruccio | Sports shoe insole in heel area |
| DE19857568A1 (en) * | 1998-12-14 | 2000-06-15 | Ofa Bamberg Otto Fankhaenel & | Insole for shoe has cork or cork-like heel part, and fiber composite ball-of-the-foot part |
| US7182085B1 (en) | 1999-04-07 | 2007-02-27 | Coloplast A/S | Pressure relieving dressing |
| US6684532B2 (en) * | 2001-11-21 | 2004-02-03 | Nike, Inc. | Footwear with removable foot-supporting member |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2643237A1 (en) | 1990-08-24 |
| FR2643237B1 (en) | 1992-08-28 |
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