WO2019050102A1 - Garniture intérieure de chaussure fonctionnelle et son procédé de fabrication - Google Patents

Garniture intérieure de chaussure fonctionnelle et son procédé de fabrication Download PDF

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Publication number
WO2019050102A1
WO2019050102A1 PCT/KR2017/015596 KR2017015596W WO2019050102A1 WO 2019050102 A1 WO2019050102 A1 WO 2019050102A1 KR 2017015596 W KR2017015596 W KR 2017015596W WO 2019050102 A1 WO2019050102 A1 WO 2019050102A1
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WIPO (PCT)
Prior art keywords
foot
shoe
insole
adhesive layer
main body
Prior art date
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Ceased
Application number
PCT/KR2017/015596
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English (en)
Korean (ko)
Inventor
기희경
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Nine To Six Co ltd
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Nine To Six Co ltd
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Publication date
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Publication of WO2019050102A1 publication Critical patent/WO2019050102A1/fr
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/32—Footwear with health or hygienic arrangements with shock-absorbing means
    • 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
    • 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
    • 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
    • A43B7/1475—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 type of support

Definitions

  • the present invention relates to a functional shoe insole and a method of manufacturing the shoe sole. More particularly, the present invention relates to a functional shoe insole and a functional shoe insole An insole and a method of manufacturing the same.
  • the foot is an important organ of the body, consisting of 52 bones, 60 joints, 214 ligaments, 38 muscles, and a number of blood vessels, which is one fourth of the whole body.
  • the foot is made in the footbath structure, so it can support 98% of its weight with only 2% of the area.
  • the plantar ligaments that support the center of the sole flatly are called plantar fascias.
  • the reason why the sole is flat compared to the foot bone shape is that the plantar fascia maintains the elasticity of the sole. It acts like a spring of mattress during walking and protects feet.
  • the cotton pad of the mattress functions as a fat pad. If damage occurs, it can lead to a disease called plantar fasciitis.
  • the most common area is the area near the heel and the inside of the sole, and the pain becomes worse when the big toe is stretched or the forefoot is lifted. Often, if you walk, your body weight may cause you to be overwhelmed with pain. Excessive exercise, wearing shoes that do not fit can cause overloading and inflammation.
  • Hallux Valgus Hallux Valgus
  • Hallux Valgus is a common foot disease that occurs mainly in women. The toes are deformed inward and deformed. It worsens when intense force is applied to the big toe during walking. If left untreated, the progress speed is accelerated and can be transferred to knee, waist, shoulder, and head pain.
  • the hallux valgus refers to the state where the big toe rises outward when viewed from the center line of the body. The reason for this is that wearing shoes with little impact absorption or wearing high heels that do not fit your feet for a long time. When pressed, the big toe slowly bends outward, and when the symptoms develop, it gives pain to the knee or back with the pain of the foot, and the blood flow becomes worse, causing the shoulder stiffness and headache. It shows the transition from the lower part of the body to the upper part.
  • the present invention is to provide a functional shoe insole that can relieve foot fatigue and prevent deformation of the toe or foot by evenly distributing the load or impact transmitted to the foot to the toe or the foot.
  • a functional shoe insole for preventing a toe from being deformed by attaching a bottom surface to an insole or an insole of a shoe to disperse an impact transmitted to the foot,
  • a body formed with an indentation portion which is depressed inwardly in an arcuate shape decreasing in thickness toward the front and rear of the shoe so as to correspond to the foot, and an impact dispersed portion formed on the upper surface of the body so as to correspond to the second metatarsal and the third metatarsal
  • a functional shoe insole including the shoe part
  • the side surface may further include a groove portion formed on both sides of the impact dispersing portion.
  • the side surface may further include an adhesive layer formed on the lower surface of the main body.
  • the adhesive layer may include a urethane adhesive layer, a PET layer, and an acrylic adhesive layer sequentially from the lower surface of the main body.
  • the upper surface of the main body may further include a slip prevention member for preventing slippage between the main body and the foot.
  • the anti-slip member may comprise silicone, and in particular may comprise a silicone rubber formed in the form of a honeycomb on synthetic leather.
  • the body may comprise a polymer foam, and in particular may comprise EVA foam.
  • Another aspect of the present invention is to provide a method of manufacturing a functional shoe insole wherein the lower surface is attached to an insole or an insole of a shoe to disperse an impact transmitted to the foot to relieve fatigue of the foot and prevent deformation of the toe,
  • the method of manufacturing a functional shoe insole according to the present invention includes the steps of:
  • the main body may be formed by protruding an impact dispersing portion so as to correspond to the second metatarsal and the third metatarsal of the foot.
  • Grooves may be formed on both sides of the impact dispersing portion.
  • a polymer foam may be used as the body, and EVA foam may be used as the polymer foam.
  • the adhesive layer may be sequentially formed from the lower surface of the main body in the order of the urethane adhesive layer, the PET layer, and the acrylic adhesive layer.
  • the step of producing the slip resistant member can be performed by fixing the silicone rubber on the synthetic leather.
  • the step of manufacturing the slip prevention member can be performed by screen printing and curing the silicone rubber solution on the synthetic leather, followed by heat treatment.
  • the silicone rubber may be formed in the form of a honeycomb on the synthetic leather.
  • the present invention by dispersing a load or an impact transmitted to the foot, it is possible to alleviate the fatigue of the foot and prevent the shape of the toe or the foot from being deformed, so that it is possible to prevent the atypical hallucination and the plantar fungal infection.
  • FIG. 1 is a perspective view of a functional shoe insole according to an aspect of the present invention.
  • Fig. 2 is a plan view of Fig. 1.
  • Fig. 1 is a plan view of Fig. 1.
  • Figure 3 is a bottom view of Figure 1;
  • FIG. 4 is a schematic view schematically showing a shape of a functional shoe insole attached to an insole or sole of a shoe according to an aspect of the present invention.
  • FIG. 5 is an exploded perspective view schematically illustrating an adhesive layer 20 formed on a bottom surface of a functional shoe insole according to an embodiment of the present invention.
  • FIG. 6 is a schematic view showing a state where a slip preventing member is attached to a functional shoe insole according to an aspect of the present invention.
  • FIG. 7 is an exploded perspective view of Fig.
  • the present invention relates to a functional shoe insole capable of relieving foot fatigue by preventing an impact or load concentrated on the foot from being distributed evenly throughout the toe and preventing deformation of the toe or foot.
  • FIG. 1 is a perspective view of a functional shoe insole according to an aspect of the present invention.
  • Fig. 2 is a plan view of Fig. 1.
  • 5 is an exploded perspective view schematically illustrating an adhesive layer 20 formed on a bottom surface of a functional shoe insole according to an embodiment of the present invention.
  • FIG. 6 is a schematic view showing a state where a slip preventing member is attached to a functional shoe insole according to an aspect of the present invention.
  • FIG. 7 is an exploded perspective view of Fig.
  • one aspect of the present invention relates to a functional shoe which is attached to an insole or an insole of a shoe so as to disperse an impact transmitted to the foot, thereby relieving fatigue of the foot and preventing deformation of the toe
  • a body 16 having an arch shape whose thickness decreases toward the front and rear of the shoe so as to correspond to an arch shape of the foot of the foot, a body 16 formed with a depressed portion 18 recessed inwardly at the back, And an impact dispersing part 11 protruding from the upper surface of the main body 16 so as to correspond to the third metatarsal.
  • the main body 16 should be mounted inside the shoe, it is preferable that the main body 16 has a shape corresponding to the shape of the insole or the insole of the shoe.
  • the main body 16 may have an arch shape whose thickness decreases toward the front and rear of the shoe so as to correspond to the arch shape of the footstep.
  • the weight causes an impact on the foot, which is applied to the plantar fascia connecting the forefoot, heel, and forefoot and heel, and may cause pain in the plantar fascia.
  • the body 16 has an arch shape so as to correspond to the arch shape of the foot, thereby absorbing or dispersing the shock applied to the plantar fascias. This can prevent foot fatigue.
  • the length of the body (16) should be sufficient to cover the arch of the foot between the forefoot and heel of the foot, and the shock absorbing and fatigue prevention effect is excellent.
  • the body 16 can be made thicker in the middle portion and thinner in thickness toward the forefoot and heel.
  • pressure is applied from the shoe to the arches of the footsteps, which can eventually lead to toes.
  • the pressure applied to the arch of the footguard can also have the effect of acupressure.
  • a pelvis is a state in which the arches inside the soles are raised above the normal range. In this case, when the foot touches the ground, it restrains the pronation movement which naturally rotates inwards, which causes the foot to be greatly affected by the ground. In the case of the bosom, if the valgus of the forefoot (degree of swelling of the ankle and ankle) is 6 ° or more, it may directly stress the gastrocnemius (belly, calf muscle).
  • the height of the arch can be adjusted to the shape of the foot.
  • flat feet the height of the arch is 6mm, for normal feet it is 8mm, for bows it is 10mm.
  • the body 16 and the foot arch of the foot can be closely contacted with each other.
  • the edge thickness of the thinnest portion of the forefoot and heel sides may be about 0.5 mm. If it is thinner, the durability may be reduced due to the fact that the edge portion is pressed down due to the weight and becomes too thin.
  • a depressed portion 18 recessed inward may be formed on the rear side of the main body 16.
  • the depressions 18 may have a semi-circular or semi-elliptic shape.
  • the diameter of the indented portion 18 may be approximately 40 mm to 60 mm, and the heel can be sufficiently accommodated in the indented portion 18 to prevent the foot from leaning forward.
  • the heel of the foot is accommodated in the indentation 18 formed on the heel side of the main body 16, it is possible to prevent the foot from being tilted toward the forefoot. Since the part of the main body 16 is removed from the indented part 18, the heel of the foot is slightly depressed when the shoe is worn. Therefore, the pressure from the shoe is further applied to the foot arch, have. In addition, it is possible to more effectively prevent the foot from leaning forward. Especially in the case of shoes with high heels such as high heels, the effect can be further exerted. It is particularly effective in preventing the hallux valgus because it can promote the widening of the toes and prevent the feet from falling forward. The effect of shock absorption and prevention of fatigue can be further enhanced.
  • the body 16 is pressed by the weight of a person and can be deformed to match the shape of each individual foot.
  • Each person has different sizes and shapes of feet. It is impossible to determine the shape of the impact body 16 suitable for each individual. Therefore, in order to solve such a problem, the main body 16 can be deformed according to a unique foot shape naturally due to the weight by using a material that can be deformed due to body weight, thereby having a personalized shape.
  • an EVA foam may be used as the material of the main body 16.
  • the present invention is not limited thereto, and any of them can be used as long as it is deformed with an impact absorbing function.
  • the present invention is not limited to this, and it is also possible to have a tapered shape whose thickness decreases linearly on both sides have. Even if you have this shape, it can be deformed due to your weight and eventually it can be optimized to your own foot shape.
  • the main body 16 can be processed by using a press die.
  • the impact dispersing portion 11 may be formed to protrude from the upper surface of the main body 16 so as to correspond to the second metatarsus and the third metatarsus of the foot. This allows the pressure points to be evenly distributed in front, middle, and back of the soles.
  • the present invention focuses on the metatarsal and phalanges of the toe structure to distribute pressure concentrated on the soles or toes.
  • the impact dispersing section 11 can satisfy the convenience of the process and the cost economics by using the same material as that of the main body 16. [
  • the impact dispersing unit 11 and the main body 16 may be integrally formed through the same process. That is, it can be integrally formed through press working.
  • the hallux valgus refers to the first metatarsus bulging outward as the muscles of the mamus abduction degenerate. These hallux valgus can be alleviated by opening the tip of the toe. The second and third metatarsals are lifted by the impact dispersing part 11 protruding from the main body 16, so that stress on the sole can be reduced and the skeletal muscle can be relaxed.
  • the side surface may further include grooves 12 and 13 formed on both sides of the impact dispersing portion 11.
  • the grooves 12 and 13 can be formed to further enhance the effect of the impact dispersion unit 11.
  • the shock-dispersing portion 11 is projected on the upper surface to disperse a load or an impact caused by pushing up the second and third metatarsals of the foot structure.
  • the depressed grooves 12 and 13 are formed on both sides of the impact- The effect can be increased.
  • the grooves 12 and 13 can be divided into a first groove portion 13 and a second groove portion 12.
  • the groove portion 13 formed on the thumb toe side and the groove portion 12 formed on the young toe side can be formed to have a somewhat different shape. This is because the shape of the point subjected to load or impact may be different.
  • the grooves 12 and 13 are formed as one single layer 14 and 15 in the drawing, the grooves 12 and 13 may be formed in a stepped manner having a plurality of layers.
  • the side surface may further include an adhesive layer 20 formed on the lower surface of the main body 16.
  • the main body 16 may be attached to the insole or the insole of the shoe via the adhesive layer 20.
  • a urethane pressure sensitive adhesive layer 21, a PET layer 22 and an acrylic pressure sensitive adhesive layer 23 are sequentially formed from the lower surface of the main body 16 to constitute the adhesive layer 20.
  • a release film 24 may be adhered to the acrylic pressure sensitive adhesive layer 23. By forming the release film 24, problems such as contamination of the acrylic pressure-sensitive adhesive layer 23 from the external environment can be prevented in advance.
  • the adhesive layer 20 By forming the adhesive layer 20, the following advantages can be obtained. In general, when an adhesive is used to adhere to an insole or soles of a shoe, it can not be removed again. If the adhesive is peeled off, the product may be damaged. As a result, it was uneconomical to purchase a number of products that could be used for each shoe. However, in the case of the present invention, even if it is already attached to an insole or sole of a shoe, it can be detached and reused by attaching it to the insole or soles of another shoe. That is, one product can be used for various kinds of shoes. In the case where the adhesive force is somewhat lowered in this process, the surface of the adhesive layer 20 is washed by using water, so that the adhesive strength can be recovered easily and can be used again.
  • the adhesive layer 20 had a thickness of 370 ⁇ , a carrier of 40 ⁇ , an initial tack (#) of 15, a peel adhesion of 180 ⁇ and a holding power of 20 N / (HR, 1 KG / 25 m 2) is preferably 150.
  • the upper surface of the main body 16 may further include a slip prevention member 30 for preventing slippage between the main body 16 and the feet.
  • the slip prevention member 30 may be formed on the upper surface of the main body 16 in the form of a film. It prevents the foot from slipping to the front of the shoe so as to prevent the foot from leaning forward, thereby preventing deformation of the toe, such as the arthralgia. It is especially effective for high-heeled heels.
  • the silicone pad is attached to the bottom of the shoe forefoot such as a high heel.
  • the slip prevention member 30 for preventing slipping of the foot can be mounted on the middle part of the sole, that is, the foot.
  • the slip prevention member 30 may include a silicone rubber 32 formed in a honeycomb shape on the synthetic leather 31.
  • the present invention is not limited to the silicone rubber 32, and any material can be used as long as it is capable of preventing slippage due to its significant frictional force.
  • the adhesive force between the silicone rubber 32 and the body 16 is weak, so that the silicone rubber 32 can be separated from the body 16 and separated.
  • This problem can be solved by using the leather 31 as an intermediary medium.
  • the synthetic leather 31 a urethane material can be used.
  • An adhesive (not shown) is applied to the lower surface of the synthetic leather 31, and the slip prevention member 30 can be adhered to the body 16 and fixed thereto.
  • the adhesive generally known adhesives such as acrylic can be used.
  • the slip prevention member 30 is formed in the shape of a honeycomb is that it is possible to minimize the decrease in frictional force that can prevent slipping and reduce the amount of material at the same time.
  • it is not limited to a honeycomb shape, but may have a triangular shape, a square shape, an elliptical shape, a circular shape, or a combination thereof.
  • Another aspect of the present invention may be a method for manufacturing a functional shoe insole wherein the lower surface is attached to an insole or an insole of a shoe to disperse an impact transmitted to the foot to relieve fatigue of the foot and prevent deformation of the toe.
  • the main body 16 having an indented shape whose thickness decreases toward the front and rear of the shoe so as to correspond to the arch shape of the footwork of the foot, and a depressed portion recessed inward is formed on the back of the shoe.
  • the middle part thicker, it is possible to apply proper pressure to the sole, which can reduce the burden on the big toe or the small toe. This can alleviate the hallucination symptoms.
  • the length of the body (16) should be sufficient to cover the arch of the foot between the forefoot and heel of the foot, and the shock absorbing and fatigue prevention effect is excellent.
  • the thickness of the body 16 can be made thicker in the middle portion and thinner toward the forefoot and heel.
  • the height of the arch can be adjusted to the shape of the foot.
  • flat feet the height of the arch is 6mm, for normal feet it is 8mm, for bows it is 10mm.
  • the edge thickness of the thinnest portion of the forefoot and heel sides may be about 0.5 mm. If it is thinner, the durability may be reduced due to the fact that the edge portion is pressed down due to the weight and becomes too thin.
  • a depressed portion 18 recessed inward may be formed on the rear side of the main body 16.
  • the depressions 18 may have a semi-circular or semi-elliptic shape.
  • the diameter of the indented portion 18 may be approximately 40 mm to 60 mm, and the heel can be sufficiently accommodated in the indented portion 18 to prevent the foot from leaning forward. Since the heel of the foot is accommodated in the indentation 18 formed on the heel side of the main body 16, it is possible to prevent the foot from being tilted toward the forefoot. Since the part of the main body 16 is removed from the indented part 18, the heel of the foot is slightly depressed when the shoe is worn. Therefore, the pressure from the shoe is further applied to the foot arch, have.
  • the body 16 is pressed by the weight of a person and can be deformed to match the shape of each individual foot.
  • Each person has different sizes and shapes of feet. It is impossible to determine the shape of the body 16 suitable for each individual. Therefore, in order to solve such a problem, the main body can be deformed by the body weight, so that it can be naturally deformed according to the individual foot shape due to the body weight, thereby having a personalized shape.
  • the main body 16 may be formed with an impact dispersing portion 11 protruding to correspond to the second metatarsal and the third metatarsal of the foot. This allows the pressure points to be evenly distributed in front, middle, and back of the soles.
  • the present invention is characterized in that the center of gravity of the metatarsal and phalanges of the toe structure is concentrated so as to concentrate the pressure concentrated on the soles of the feet or the toes.
  • the impact dispersing section 11 can satisfy the convenience of the process and the cost economics by using the same material as that of the main body 16.
  • the impact dispersing unit 11 and the main body 16 may be integrally formed through the same process. For example, it can be integrally formed through press working.
  • Grooves 12 and 13 may be formed on both sides of the impact dispersing portion 11.
  • the groove portion can be formed in order to further enhance the effect of the impact dispersing portion 11.
  • the shock-dispersing portion 11 is projected on the upper surface to disperse a load or an impact caused by pushing up the second and third metatarsals of the foot structure.
  • the depressed grooves 12 and 13 are formed on both sides of the impact- The effect can be increased.
  • the groove portion can be divided into a first groove portion (13) and a second groove portion (12).
  • the groove portion formed on the thumb toe side and the groove portion formed on the young toe side may have a slightly different shape. This is because the shape of the point subjected to load or impact may be different.
  • a polymer foam may be used, and as the polymer foam, an EVA foam may be used.
  • the present invention is not limited thereto, and any material that can be deformed with the shock absorbing function can be used.
  • the main body 16 may be attached to the insole or the insole of the shoe via the adhesive layer 20.
  • the adhesive layer 20 can be formed sequentially from the lower surface of the main body 16 in the order of the urethane adhesive layer 21, the PET layer 22, and the acrylic adhesive layer 23.
  • a release film (not shown) may be attached to the acrylic pressure sensitive adhesive layer 23. By forming the release film, problems such as contamination of the acrylic pressure-sensitive adhesive layer 23 from the external environment can be prevented in advance.
  • the present invention is characterized in that even if it is already attached to an insole or sole of a shoe, it can be detached and attached again to the insole or sole of another shoe so that it can be used again.
  • the adhesive layer 20 had a thickness of 370 ⁇ , a carrier of 40 ⁇ , an initial tack (#) of 15, a peel adhesion of 180 ⁇ and a holding power of 20 N / (HR, 1 KG / 25 m 2) is preferably 150.
  • the slip prevention member 30 capable of preventing slippage between the shoe and the main body can be manufactured.
  • the slip prevention member 30 can be performed by fixing the silicone rubber 32 on the synthetic leather 31.
  • the present invention is not limited to the silicone rubber 32, and any material can be used as long as it is capable of preventing slippage due to its significant frictional force.
  • the slip prevention member 30 can be manufactured by screen printing and curing the silicone rubber solution on the synthetic leather 31, followed by heat treatment.
  • the silicone rubber 32 is directly formed on the body 16, the adhesive force between the silicone rubber 32 and the body 16 is weak, so that the silicone rubber 32 can be separated from the body 16 and separated.
  • the leather 31 as an intermediary medium.
  • a urethane material can be used as the synthetic leather 31, a urethane material can be used.
  • An adhesive (not shown) is applied to the lower surface of the synthetic leather 31, and the slip prevention member 30 can be adhered to the body 16 and fixed thereto.
  • the adhesive generally known adhesives such as acrylic can be used.
  • the silicone rubber 32 may be formed on the synthetic leather 31 in the form of a honeycomb.
  • the reason for this is that the honeycomb shape can minimize the reduction of the frictional force that can be used to prevent slippage while at the same time reducing the amount of the material.
  • it is not limited to a honeycomb shape, but may have a triangular shape, a square shape, an elliptical shape, a circular shape, or a combination thereof.
  • the slip prevention member 30 may be adhered to the body 16 to manufacture a functional shoe insole.
  • An adhesive (not shown) is applied to the lower surface of the slip prevention member 30, and a release film (not shown) may be attached to the adhesive application layer to block the adhesive layer from the external environment.
  • the slip prevention member 30 can be attached to the upper surface of the main body 16 after removing the release film.
  • the slip prevention member 30 may be attached to a flat portion except for the impact dispersion portion 11 and the like.
  • the adhesive generally known adhesives such as acrylic can be used.
  • &quot comprises " or " having " means that there is a feature, a number, a step, an operation, an element, or a combination thereof described in the specification.

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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)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

La présente invention concerne une garniture intérieure de chaussure fonctionnelle susceptible d'empêcher la déformation des orteils ou des pieds par dispersion d'une charge ou d'un choc transmis aux pieds, ainsi que son procédé de fabrication. La présente invention concerne la garniture intérieure de chaussure fonctionnelle dont la surface inférieure est fixée à la semelle intérieure ou à la garniture intérieure d'une chaussure de façon à disperser le choc transmis aux pieds, empêchant ainsi la déformation des orteils, la garniture intérieure de chaussure fonctionnelle comprenant : un corps principal ayant une forme arquée dont l'épaisseur diminue progressivement vers les côtés avant et arrière de la chaussure de façon à correspondre à la forme arquée d'une voûte plantaire, et à l'arrière duquel est formée une partie évidée renfoncée vers l'intérieur; et des parties de dispersion de choc conçues pour faire saillie depuis la surface supérieure du corps principal de façon à correspondre au deuxième métatarsien et au troisième métatarsien du pied. Selon la présente invention, la charge ou le choc transmis aux pieds est dispersé de sorte que la déformation des orteils ou des pieds peut être empêchée, ce qui permet d'empêcher l'apparition d'un hallux valgus, d'une fasciite plantaire ou similaire.
PCT/KR2017/015596 2017-09-11 2017-12-28 Garniture intérieure de chaussure fonctionnelle et son procédé de fabrication Ceased WO2019050102A1 (fr)

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KR10-2017-0115659 2017-09-11
KR1020170115659A KR102146576B1 (ko) 2017-09-11 2017-09-11 기능성 신발 인서트

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JPH09224703A (ja) * 1996-02-09 1997-09-02 Dainageito Kk 靴及び靴中敷き
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JP3198942U (ja) * 2015-05-18 2015-07-30 株式会社ジーフット 靴用中敷きの滑り止め構造、靴用中敷き及び靴

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