WO2016017920A1 - Chaussure fonctionnelle améliorant la force de rappel dans des colonnes d'absorption des chocs au moyen d'anneaux élastiques et de bandes élastiques - Google Patents

Chaussure fonctionnelle améliorant la force de rappel dans des colonnes d'absorption des chocs au moyen d'anneaux élastiques et de bandes élastiques Download PDF

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Publication number
WO2016017920A1
WO2016017920A1 PCT/KR2015/005889 KR2015005889W WO2016017920A1 WO 2016017920 A1 WO2016017920 A1 WO 2016017920A1 KR 2015005889 W KR2015005889 W KR 2015005889W WO 2016017920 A1 WO2016017920 A1 WO 2016017920A1
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WIPO (PCT)
Prior art keywords
column
buffer column
cantilever
elastic
midsole
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
Application number
PCT/KR2015/005889
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English (en)
Korean (ko)
Inventor
서우승
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jione FRS Corp
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Jione FRS Corp
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Filing date
Publication date
Application filed by Jione FRS Corp filed Critical Jione FRS Corp
Publication of WO2016017920A1 publication Critical patent/WO2016017920A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/181—Resiliency achieved by the structure of the sole
    • A43B13/182—Helicoidal springs
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A43B13/125—Soles with several layers of different materials characterised by the midsole or middle layer
    • 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
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/32—Footwear with health or hygienic arrangements with shock-absorbing means

Definitions

  • the present invention relates to a shoe article, and more particularly, to a functional shoe article that can improve the restoring force of the buffer column while ensuring shock absorption using a highly fluid buffer column.
  • shoes were developed to be worn to protect the foot, but as the quality of life has increased recently, the perception of shoes is also changing.
  • shoes are composed of an upper part that protects the instep and the joint area, and a sole part that protects the sole of the foot.
  • the sole portion Through the sole portion, the impact can be transmitted to the body during walking and driving, and when the sole portion is heavy, the user can easily feel fatigue, so the sole portion can cushion and absorb the impact and be provided in a light structure. It should be possible.
  • the sole area should be provided in a structure that can lead to stable walking.
  • the present invention provides a functional shoe article that can secure shock absorption using a buffer column protruding downward from the midsole, while limiting deformation of the buffer column and improving restoring force.
  • the present invention provides a functional shoe article that can be effectively absorbed even if there is a protruding surface of the bottom, and can lead to stable walking with strong restoring force after deformation.
  • the present invention provides a functional shoe article that can artificially adjust the response to the load according to the user's weight and exercise characteristics, and can evenly distribute the load.
  • the present invention can contribute to the lightweight of the shoe because it uses a buffer column, and provides a functional shoe article that can provide the best structure and easy manufacturing process for securing the resilience.
  • the functional shoe article is a midsole, one end of the cantilever buffer column, the cantilever buffer column and the other end is fixed to the lower portion of the midsole and the free end and
  • a column support comprising a plurality of elastic rings detachably coupled to an outer surface of the cantilever buffer column to be spaced apart from the other end, and an elastic band for continuously connecting the elastic rings, and the cantilever buffer column when the cantilever buffer column contacts the ground. The flow is generated from the other end while the one end is fixed, the cantilever buffer column is elastically supported by the column support.
  • the material, shape and structure of the midsole can be changed in various ways according to the required conditions and design specifications.
  • the midsole may be configured as a single layer, but in some cases, a plurality of midsoles having the same or similar characteristics or different characteristics may be provided as a stack.
  • the cantilever buffer column may be formed to correspond to the entire part of the midsole, or may be formed to partially correspond to a part of the midsole, and the present invention is not limited or limited by the size and shape of the cantilever buffer column.
  • the cantilever buffer column may be formed in an approximately cross pillar shape, a cylinder or a square column shape, and the like, but the present invention is not limited or limited by the size, shape, and spacing interval of the cantilever buffer column.
  • the cantilever buffer column may be formed to have a gradually reduced (or expanded) cross-sectional area from one end to the other end.
  • the cantilever buffer column may also be formed of a single buffer layer, but may be used in a cantilever buffer column composed of a plurality of buffer layers in some cases.
  • the column support part including the elastic ring and the elastic band is provided to support the cantilever buffer column so that the cantilever buffer column can be maintained quickly and stably, wherein the upright state of the cantilever buffer column is referred to as walking and driving.
  • walking and driving the upright state of the cantilever buffer column
  • the column buffer part including the elastic ring and the elastic band may be provided in various structures according to the required conditions and design specifications.
  • the elastic ring and the elastic band may be integrally connected to form a closed loop structure, or may be integrally connected to form an open loop structure.
  • a plurality of column supports may be provided to have different sizes and shapes, or a plurality of column supports may be provided to be disposed on planes having different heights along the length direction of the cantilever buffer column.
  • the plurality of column support parts may be disposed to overlap at least a portion along the length direction of the cantilever buffer column.
  • the plurality of column support parts arranged on planes having different heights may be disposed so as not to overlap each other.
  • the arrangement structure of the column support portion disposed between one end and the other end of the cantilever buffer column may be variously changed according to required conditions and design specifications.
  • the elastic ring may be detachably coupled to an outer surface of a central portion of the cantilever buffer column at a distance from one end and the other end of the cantilever buffer column.
  • the elastic ring may be disposed relatively adjacent to one end or the other end of the cantilever buffer column with respect to the center of the cantilever buffer column.
  • Elastic bands are provided to continuously connect adjacent elastic rings, so that each elastic ring can be organically connected.
  • the elastic band may be formed in a conventional rod, strip, tube or the like, the present invention is not limited or limited by the shape and structure of the elastic band.
  • the column support portion may comprise a stopper portion for limiting the movement of the elastic ring toward the bottom of the midsole.
  • limiting the movement of the elastic ring toward the bottom of the midsole can be understood to limit the movement of the elastic ring adjacent to the bottom of the midsole in a state coupled to the cantilever buffer column.
  • the stopper part may be provided in various structures capable of limiting movement of the elastic ring according to required conditions and design specifications.
  • the stopper portion may be integrally formed on the upper portion of the elastic ring and disposed between the elastic ring and the bottom of the midsole, thereby limiting movement of the elastic ring toward the bottom of the midsole.
  • the stopper portion may be formed in a structure that does not contact the outer surface of the cantilever buffer column, or alternatively, it is possible to form the stopper portion on the elastic band.
  • the column support portion may be integrally extended to the lower portion of the elastic ring may include a reinforcing cap portion for receiving the other end of the cantilever buffer column therein.
  • the functional footwear article includes a midsole, a cantilever buffer column, and a column support having an elastic ring and an elastic band, wherein at least one end of the cantilever buffer column is along the length of the cantilever buffer column.
  • the opened receiving hole may be formed, and may include a reinforcing member having a relatively larger cross-sectional area than the receiving hole and accommodated in the receiving hole.
  • the reinforcing member may be accommodated in the receiving hole while the elastic ring is coupled to the outer surface of the cantilever buffer column, and when the reinforcing member is accommodated in the receiving hole, the cross-sectional area of the cantilever buffer column may be extended by the reinforcing member.
  • the outer surface of the cantilever buffer column is pressed to the inner surface of the elastic ring, so that the coupling state of the elastic ring to the cantilever buffer column can be more firmly maintained.
  • the cantilever buffer column deformed during walking and driving by using the column support part including the elastic ring and the elastic band can be more effectively restored to the initial state (upright state), thereby minimizing the shock transmitted to the body.
  • the shock absorbing and dispersing properties that can be achieved it is also possible to improve the repulsive elasticity (propulsion force) properties that help energy for the next operation.
  • the upright state of the cantilever buffer column can be stably maintained, and the cantilever buffer column can be restored to the initial upright state quickly and accurately even after elastic deformation.
  • the column support portion can be manufactured and combined separately with a shoe article having a cantilever buffer column, the shoe article can be manufactured without significant changes in the structure and manufacturing process of the shoe article.
  • the cantilever buffer column can be supported by the other cantilever buffer column connected through the elastic ring and the elastic band, it is possible to prevent abnormal flow of the cantilever buffer column.
  • the shock absorbing performance may be actively adjusted according to the change in the amount of impact according to the intended use. For example, when a relatively small impact amount acts on the cantilever buffer column, only a part of the cantilever buffer column corresponding to the lower part of the column support part may be configured to elastically act. When a relatively large impact amount acts on the cantilever buffer column, All regions can be configured to act elastically. In this manner, according to the present invention, the shock absorbing performance may be actively changed according to various use conditions such as when walking and running, and the shock absorbing performance optimized for each use may be provided through one shoe.
  • according to the present invention can improve the fit and stability of the shoe, and even when worn for a long time it can minimize the fatigue of the foot by improving the body energy efficiency.
  • the shoe sole can be made lighter while ensuring excellent shock absorption performance.
  • the cantilever buffer columns spaced apart from each other can be supported by the column support portion, it is possible to maintain flexibility while at the same time maintaining proper rigidity.
  • FIG. 1 is a side view for explaining a functional shoe article according to an embodiment of the present invention.
  • FIG. 2 is a bottom view for explaining the functional shoe article of FIG.
  • 3 to 5 are views for explaining the cantilever buffer column and column support of FIG.
  • 6 to 8 are views for explaining a functional shoe article according to another embodiment of the present invention.
  • FIGS. 9 and 10 are views of a functional shoe article for explaining the case having a plurality of column support in accordance with another embodiment of the present invention.
  • FIG. 11 is a view for explaining a functional shoe article according to another embodiment of the present invention.
  • FIG. 1 is a side view for explaining a functional shoe article according to an embodiment of the present invention
  • Figure 2 is a bottom view for explaining the functional shoe article of Figure 1
  • Figures 3 to 5 is a cantilever buffer column of Figure 1
  • the functional footwear article according to the present invention includes a midsole 100, cantilever buffer column 200 and column support 300.
  • the midsole 100 may be formed by conventional foam molding using conventional rubber and synthetic resin, and the like, but the present invention is not limited or limited by the shape and structure of the midsole 100. In some cases, the midsole may be formed of an unfoamed body or other materials.
  • the midsole may be configured as a single layer, but in some cases, a plurality of midsoles having the same or similar characteristics or different characteristics may be provided as a stack.
  • the cantilever cushion column 200 has a cantilever structure, one end of which is fixed to the lower portion of the midsole 100 and the other end of which is freely disposed, and the front or part of the cantilever cushion column 200 on the bottom surface of the midsole 100. Plural can be provided.
  • the buffer column is a state in which the free end can flow around the root portion connected to the midsole 100, and may have different movement characteristics according to the equipment. For example, large equipment can flow relatively freely to absorb shocks, and on the contrary, small equipment can flow while maintaining tight contact with the ground with a relatively firm hardness.
  • the cantilever buffer column 200 may be formed to correspond to an entire portion of the midsole 100 or partially correspond to a portion of the midsole 100, and may be formed by the size and shape of the cantilever buffer column 200.
  • the present invention is not limited or limited.
  • the cantilever buffer column 200 is formed in a substantially cylindrical shape, and the cantilever buffer column 200 is formed to have different sizes and thicknesses according to the arrangement site (for example, the front part, the middle part, and the rear part). It will be described with an example.
  • the cantilever buffer column may be formed in various shapes such as a cross pillar or a square pillar shape, and the present invention is not limited or limited by the size, shape, and spacing of the cantilever buffer column.
  • a cantilever buffer column 200 having a single complete layer is described.
  • the cantilever buffer column having a plurality of buffer layers may be used.
  • each buffer layer may be formed of the same or similar materials, as well as may be formed of different materials.
  • the cantilever buffer column 200 of the cantilever shape in which one end is fixed to the bottom of the midsole 100 and the other end is freely disposed is in direct contact with the ground, when the load is applied from the outside, the fixed end is
  • the buffer column 200 may be deformed from each other, and the buffer column 200 may be stably maintained in the upright state of the buffer column 200 after deformation since the buffer columns 200 are connected to each other by the neighboring buffer columns and the column support part 300. That is, as shown, it should be able to be restored to the initial upright state quickly and accurately even after elastic deformation by the column support part 300.
  • the column support part 300 is provided to support the cantilever buffer column 200 so that the cantilever buffer column 200 can maintain the upright state quickly and stably.
  • the upright state of the cantilever buffer column 200 may be understood as an initial state in which the cantilever buffer column 200 is placed upright before the cantilever buffer column 200 is deformed by the impact force generated during walking and driving.
  • the buffer column 200 and its surrounding buffer column may be deformed, and the deformation thereof may be connected to an elastic ring connected to each other. 310 and the elastic band 320 can be stably maintained and restored. Therefore, the user receives the impact of the stones to a minimum, and stable walking or exercise is possible.
  • the column support part 300 may have various properties as a material different from that of the cantilever buffer column 200. In general, it may be formed of a material having a large tensile strength and elasticity. For reference, when the strength and elasticity of the column support part 300 are smaller than a certain level, it is difficult to effectively support the cantilever buffer column 200, and when the hardness of the column support part 300 is greater than or equal to the predetermined value, the cantilever buffer column 200 may be formed. Since flexibility is difficult to be ensured, the column support 300 is preferably provided to have strength and elasticity that can ensure the flexibility and rigidity of the cantilever buffer column 200.
  • the column support part 300 includes a plurality of elastic rings 310 detachably coupled to an outer surface of the cantilever buffer column 200 so as to be spaced apart from one end and the other end of the cantilever buffer column 200, and the elastic ring 310. It includes an elastic band 320 to connect continuously.
  • the column support part 300 is detachably coupled to an outer surface of the cantilever buffer column 200 so as to be spaced apart from one end and the other end of the cantilever buffer column 200, and the column support part 300 is a cantilever buffer column ( It can be understood that the state disposed between one end and the other end of the 200).
  • the elastic ring 310 may be detachably coupled to an outer surface of a central portion of the cantilever buffer column 200 so as to be spaced apart from one end and the other end of the cantilever buffer column 200.
  • the elastic ring may be disposed relatively adjacent to one end or the other end of the cantilever buffer column with respect to the center of the cantilever buffer column.
  • the through-hole is formed in the elastic ring 310, the cantilever buffer column 200 is inserted into the through-hole, the outer surface of the cantilever release column can be in close contact with the inner surface of the through-hole.
  • the elastic band 320 is provided to continuously connect adjacent elastic rings 310, it is possible to organically connect each elastic ring 310.
  • the elastic band 320 continuously connects the adjacent elastic ring 310, one end of the elastic band 320 is connected to any one elastic ring 310, the other end is adjacent to the other elastic It may be understood that each elastic ring 310 is connected to the ring 310 and the organic ring 310 is organically connected through the elastic band 320.
  • the elastic band 320 may be formed of one single body (single body) integrally connected with the elastic ring 310 by a single process made of the same material as the elastic ring 310.
  • the column buffer part including the elastic ring 310 and the elastic band 320 may be provided in various structures according to the required conditions and design specifications.
  • the elastic ring 310 and the elastic band 320 may be integrally connected to form a closed loop structure, or may be integrally connected to form an open loop structure.
  • FIG. 2 illustrates an example in which the elastic ring 310 and the elastic band 320 are integrally connected to form a closed loop structure, such as a honeycomb, in some cases, a specific number of elastic rings disposed in a specific region among the plurality of elastic rings is elastic. It is also possible to construct an independent closed loop column buffer together with the band (see Figure 8).
  • one end of the elastic band 320 connected to some cantilever buffer columns 200 disposed in the outer region of the plurality of cantilever buffer columns 200 may be connected to the lower structure of the midsole 100.
  • the lower structure of the midsole 100 may be understood as a structure that may be provided in a form protruded (or recessed) in the bottom surface of the midsole 100, and the lower structure extends integrally from the midsole 100. Or protrude, or may be bonded or combined separately.
  • the elastic band 320 may be formed in a conventional rod, strip, tube, etc., the present invention is not limited or limited by the shape and structure of the elastic band 320.
  • the elastic band 320 connected to the elastic ring 310 coupled to the different cantilever buffer column 200 may be formed to have the same size and shape, as well as to have different sizes and shapes. Can be.
  • Figures 6 to 8 is a view for explaining a functional shoe article according to another embodiment of the present invention.
  • the same or equivalent reference numerals are given to the same or equivalent components as those described above, and detailed description thereof will be omitted.
  • a functional shoe article includes a midsole 100, a cantilever buffer column 200, and a column support 300 having an elastic ring 310 and an elastic band 320.
  • Including the column support part 300 may include a stopper part 330 for limiting the movement of the elastic ring 310 toward the bottom surface of the midsole 100.
  • limiting the movement of the elastic ring 310 toward the bottom of the midsole 100 is moved adjacent to the bottom of the midsole 100 in a state in which the elastic ring 310 is coupled to the cantilever buffer column 200. It can be understood as a state of limiting what to do.
  • the stopper part 330 may be provided in various structures capable of limiting the movement of the elastic ring 310 according to required conditions and design specifications.
  • the stopper 330 is integrally formed on the upper portion of the elastic ring 310 to be disposed between the elastic ring 310 and the bottom surface of the midsole 100, thereby providing an elastic ring toward the bottom of the midsole 100.
  • the movement of 310 may be restricted.
  • the stopper 330 is disposed between the elastic ring 310 and the bottom surface of the midsole 100 in a state in which the stopper part 330 is in close contact with the outer surface of the cantilever buffer column 200 will be described.
  • the stopper portion may be formed in a structure that does not contact the outer surface of the cantilever buffer column, or alternatively, it is possible to form the stopper portion on the elastic band.
  • the functional shoe article includes a midsole 100, a cantilever buffer column 200, and a column support 300 having an elastic ring 310 and an elastic band 320.
  • the column support portion 300 may be formed integrally extended to the lower portion of the elastic ring 310 may include a reinforcement cap portion 340 for receiving the free end of the cantilever buffer column 200 therein.
  • the reinforcement cap 340 is integrally extended to the lower portion of the elastic ring 310 to accommodate the other end (lower end) of the cantilever buffer column 200 to improve the elastic force and structural strength of the cantilever buffer column 200. In addition, it is possible to prevent abrasion, and similarly to the stopper portion 330 described above, the arrangement state of the elastic ring 310 with respect to the cantilever buffer column 200 can be stably maintained.
  • the functional footwear article includes a midsole 100, a cantilever buffer column 200, and a column support 300 having an elastic ring 310 and an elastic band 320.
  • a cantilever buffer column 200 may be formed in the receiving hole 201 at least one end in the longitudinal direction of the cantilever buffer column 200, the relatively larger than the receiving hole (201) It may include a reinforcing member 350 having a cross-sectional area is accommodated in the receiving hole (201).
  • the reinforcing member 350 may be accommodated in the receiving hole 201 in a state in which the elastic ring 310 is coupled to the outer surface of the cantilever buffer column 200.
  • the cross-sectional area of the cantilever buffer column 200 can be extended by the reinforcing member 350, so that the outer surface of the cantilever buffer column 200 is elastic ring
  • the coupling state of the elastic ring 310 to the cantilever buffer column 200 may be more firmly maintained.
  • FIGS. 9 and 10 are views of a functional shoe article for explaining the case having a plurality of column support in accordance with another embodiment of the present invention.
  • a plurality of column support parts 300 and 300 ′ may be provided on the bottom surface of the midsole while maintaining a mutually overlapping relationship.
  • the functional footwear article includes a midsole 100, a cantilever buffer column 200, and column support portions 300 and 300 'having elastic rings 310 and 310' and elastic bands 320 and 320 '.
  • the column support parts 300 and 300 ′ may be provided in plural so as to be disposed on planes having different heights along the length direction of the cantilever buffer column 200.
  • the plurality of column support parts 300 and 300 ′ may be arranged to overlap at least some of the column support parts 300 and 300 ′ along the length direction of the cantilever buffer column 200.
  • the plurality of column support parts arranged on planes having different heights may be disposed so as not to overlap each other.
  • a plurality of column support units 300 may be provided on the bottom surface of the midsole while maintaining a spaced apart relationship.
  • the functional shoe article includes a midsole 100, a cantilever buffer column 200, and a plurality of column support parts 300 having an elastic ring 310 and an elastic band 320, but a plurality of column support parts 300.
  • the elastic ring 310 and the elastic band 320 are open loops together with the column support parts in which the elastic ring 310 and the elastic band 320 are connected in a closed loop structure.
  • Column support connected in an open loop structure can be used together.
  • the cantilever buffer column is formed to have a constant cross-sectional area from one end to the other, but in some cases, the cantilever buffer column is gradually reduced from one end to the other end (or vice versa).
  • the cantilever buffer column may be formed to have an irregular cross-sectional area from one end to the other end.
  • FIG. 11 is a view for explaining a functional shoe article according to another embodiment of the present invention.
  • a plurality of elastic rings 310 ′ may be provided for the buffer column 200, and the elastic band 320 ′ may also be provided in an unshaped shape. As a result, the elastic band 320 ′ may form a hole-shaped space in a region forming the closed loop structure.
  • the elastic band 320 ′ may be formed to have a wide width, and may also be provided with different widths, thicknesses, or cross sections between the elastic rings 310 ′.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

L'invention concerne une chaussure fonctionnelle améliorant la force de rappel dans des colonnes d'absorption des chocs au moyen d'anneaux élastiques et de bandes élastiques comprenant : une semelle intercalaire ; des colonnes d'absorption des chocs en porte-à-faux, chacune d'entre elles possédant une extrémité fixée à la partie inférieure de la semelle intercalaire et l'autre extrémité disposée en tant qu'extrémité libre ; et une partie support de colonne comprenant une pluralité d'anneaux élastiques couplés de manière amovible aux surfaces extérieures des colonnes d'absorption des chocs en porte-à-faux de manière à être espacés d'une extrémité et de l'autre extrémité des colonnes d'absorption des chocs en porte-à-faux respectives, et des bandes élastiques reliant de façon continue les anneaux élastiques. Lorsque les colonnes d'absorption des chocs en porte-à-faux entrent en contact avec la surface du sol et qu'un déplacement au niveau d'une extrémité des colonnes d'absorption des chocs en porte-à-faux se produit tandis que leur autre extrémité est fixe, les colonnes d'absorption des chocs en porte-à-faux sont élastiquement supportées par la partie support de colonne.
PCT/KR2015/005889 2014-08-01 2015-06-11 Chaussure fonctionnelle améliorant la force de rappel dans des colonnes d'absorption des chocs au moyen d'anneaux élastiques et de bandes élastiques Ceased WO2016017920A1 (fr)

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KR1020140099055A KR101477660B1 (ko) 2014-08-01 2014-08-01 탄성링 및 탄성밴드를 이용하여 완충칼럼의 복원력을 향상시킨 기능성 신발물품

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