WO2016002412A1 - Contrefort et chaussure - Google Patents

Contrefort et chaussure Download PDF

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Publication number
WO2016002412A1
WO2016002412A1 PCT/JP2015/065783 JP2015065783W WO2016002412A1 WO 2016002412 A1 WO2016002412 A1 WO 2016002412A1 JP 2015065783 W JP2015065783 W JP 2015065783W WO 2016002412 A1 WO2016002412 A1 WO 2016002412A1
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WO
WIPO (PCT)
Prior art keywords
core
moon
shoe
laminate
heel
Prior art date
Application number
PCT/JP2015/065783
Other languages
English (en)
Japanese (ja)
Inventor
田辺　洋平
洋一 水島
伊藤　健
Original Assignee
ダイヤテックス株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ダイヤテックス株式会社 filed Critical ダイヤテックス株式会社
Priority to JP2016531205A priority Critical patent/JPWO2016002412A1/ja
Publication of WO2016002412A1 publication Critical patent/WO2016002412A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/08—Heel stiffeners; Toe stiffeners
    • A43B23/14—Heel stiffeners; Toe stiffeners made of leather
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/08—Heel stiffeners; Toe stiffeners
    • A43B23/16—Heel stiffeners; Toe stiffeners made of impregnated fabrics, plastics or the like

Definitions

  • the present invention relates to a lunar wick and shoes, and more particularly to a novel lunar wick formed by a laminate formed by laminating a plurality of cloth-like bodies and a shoe provided with the same.
  • shoes have a lunar core (also called a counter) interposed between the upper and inner skin as a core material for reinforcing the buttocks.
  • this moon-shaped core is made by impregnating paper, synthetic resin, or cloth impregnated with resin on base paper made from wood pulp. Things have been widely used in the past. And this moon shaped core has been considered to be the best in terms of improving the appearance of the buttocks and fitting to the feet.
  • a moon-shaped core other than Nume one made by attaching impregnated paper with an adhesive to one side of a tanned rawhide (Patent Document 1), a moon mold used for a curved part such as a heel part of a shoe, etc. Stretch made by applying thermosetting adhesives with different moisture contents to the front and back surfaces of the shoe core material (Patent Document 2), sandwiching a moon core made of a thermosetting material in a sandwich shape Of non-woven non-woven chemical sheet on the inner surface of the upper heel part, heating from the side of the cocoon member containing the lunar core to thermoset the thermosetting lumber core to form the heel part (Patent Document 3), etc. It has been known.
  • the present inventors laminated a plurality of cloth-like bodies formed using a linear body obtained by stretching a thermoplastic resin, Attention was focused on a laminate formed by heating and compressing so that a part of the filaments melts.
  • Such a laminate is called a self-reinforced polymer composite (Self Reinforced Plastics: SRP), and is a fiber-reinforced plastic (F ⁇ Reinforced Plastics: FRP) in which an adhesive component and a reinforcing fiber are formed from the same resin component.
  • the same kind of resin component refers to a resin composed of the same kind of components such as polyolefin, polyamide, and polyester.
  • the present inventor diligently studied a new application of the laminate, which is a self-reinforced polymer composite material.
  • a moon core which is a shoe component
  • the inventors have found that the present invention is suitable.
  • an object of the present invention is to provide a novel lunar core formed by a laminated body formed by laminating a plurality of cloth-like bodies and a shoe equipped with the same.
  • the lunar core according to 1 above which is formed by adhering or sewing tanned leather to one side of the laminate.
  • a shoe comprising the lunar core according to any one of 1 to 4 in a heel part.
  • FIG. 1 The perspective view which shows one Embodiment of the shoes using the moon core which concerns on this invention
  • a view of the right foot wearing shoes as seen from the heel side Exploded perspective view of shoe upper 1 is an exploded perspective view of the shoe shown in FIG.
  • FIG. 1 is a perspective view showing an embodiment of a shoe using a moon core according to the present invention
  • FIG. 2 is a front view of a laminate forming the moon core.
  • 1 is a shoe and 2 is a lunar core provided on the heel of the shoe 1.
  • the lunar core 2 is applied to the heel of an athletic shoe.
  • the moon-shaped core 2 according to the present invention is formed by laminating a plurality of cloth-like bodies formed using a linear body obtained by stretching a thermoplastic resin so that a part of the linear body melts. It has at least a laminate 3 that is heated and compressed to integrate the cloth-like body into a single sheet.
  • the laminate 3 is a fiber reinforced plastic (FRP) called self-reinforced polymer composite material (SRP) described above.
  • FRP fiber reinforced plastic
  • SRP self-reinforced polymer composite material
  • FIG. 3 is a view of the state when the right foot wearing the shoe 1 has landed as seen from the heel side.
  • the heel at the moment of landing is in a state of falling slightly to the outside, but when the landing foot gets weight, as shown by the dotted line, trying to buffer the impact at the time of landing
  • a phenomenon called pronation occurs in which the heel is deformed while falling slightly inside.
  • the general lunar core is intended mainly for the shape retention of the heel of the shoe, and since it was formed relatively hard, it was difficult to deform to follow the movement of the heel of such a foot. . For this reason, the shoe strongly collides with the heel and easily rubs the shoe, and the fit with the moving heel is inferior, and there is a problem from the viewpoint of increasing the stability by holding the heel of the foot.
  • the moon-shaped core 2 having the laminated body 3 has a rigidity required for the moon-shaped core 2 and has an appropriate elasticity, so that it moves so that the heel of the foot falls when landing. In this case, it can be easily elastically deformed following the movement. For this reason, no matter what kind of behavior of the foot heel in the shoe 1, it can be reliably held following the movement of the heel, improving the fit with the heel and the stability of the foot heel. Can be increased. In addition, since the heel portion of the shoe 1 does not apply an excessive force to the heel of the foot, it is difficult for the shoe to rub.
  • the moon core 2 having the laminate 3 is not only easily deformed but also has a property of quick return (high return elasticity) when returning from the deformed state to the original state. . That is, the lunar core 2 tries to quickly restore its original shape after elastically deforming following the movement of the foot heel. At this time, the movement of the heel to return to the original state in the shoe 1 works so that the high return elasticity of the lunar core 2 assists. For this reason, even if it deform
  • this moon-shaped core 2 is excellent in the fit property with respect to a heel by the moderate elasticity inherent in the laminated body 3, it is possible to suppress the occurrence of an excessive gap between the heel of the foot and the mouth of the shoe 1. Moreover, since the moon-shaped core 2 can easily follow the movement of the heel, it is possible to suppress sand and the like from entering between the heel of the foot and the mouth of the shoe 1. Of course, the shape retaining property of the heel of the original shoe 1 can be maintained by the rigidity of the laminate 3 itself.
  • the laminate 3 is formed of a thermoplastic resin
  • the moon core 2 having the laminate 3 can be easily deformed by heating with, for example, a dryer.
  • the heel of the shoe 1 can be freely shaped to match the shape of the heel of the user's foot, making it a tailor-made shoe It can be set to 1, and a feeling of fitting and a feeling of use can be improved further.
  • the laminate 3 is composed of a linear body obtained by stretching a thermoplastic resin, the moon core 2 having the laminate 3 is not easily cracked or broken, and is excellent in repeated flexibility. Etc., and high durability. For this reason, it does not become difficult to return to the original shape by stepping on the heel like a conventional lunar core made of ume.
  • a lunar core 2 cut out in a substantially half-moon shape from the laminate 3 is sandwiched between the upper 6 and the inner skin 7 corresponding to the heel portion of the shoe 1 as shown in FIG.
  • the upper portion 8 having the moon core 2 is formed.
  • the shell 6 has a middle window shape.
  • the moon core 2 is provided so that the laminate 3 is exposed on the surface of the shoe 1. This not only gives an accent to the design of the appearance of the shoe 1, but as described above, when the moon core 2 is shaped by the heat of a dryer or the like, hot air is directly applied to the laminate 3 exposed on the surface. Since it can be sprayed and heated, it is a preferred embodiment because the shaping operation can be performed easily and efficiently.
  • the lunar core 2 may be provided inside the upper shell so as not to be exposed on the surface in the same manner as a normal lunar core.
  • this moon core 2 was provided in the shoe 1 by sewing, it is needless to say that it is not limited to this and may have an adhesive structure.
  • the sole portion 9 such as an insole 91, an insole 92, and an outer sole 93 is attached to the upper portion 8 in which the lunar core 2 is provided in the heel portion, as in a normal shoe.
  • the shoe 1 is completed.
  • the laminated body 3 is formed by laminating a plurality of cloth-like bodies formed by using a linear body 4 obtained by stretching a thermoplastic resin. By heating and compressing so as to melt, the respective cloth-like bodies are integrated to form a single sheet. In the heat compression, after heating the cloth-like laminate, the heated cloth-like laminate may be compressed, or the cloth-like laminate may be heated and compressed simultaneously. It may be.
  • the base layer that is a high melting point resin component means that a part of the linear body 4 is melted. Is heated at a temperature at which the surface layer, which is a low-melting resin component, does not melt and melts.
  • the filament 4 has a structure having a low melting point resin component having a sea-island structure in a high melting point resin component, the high melting point resin component is not melted, and the temperature is such that the low melting point resin component having a sea island structure melts. It is to heat at. Thereby, the high melting point resin component in the filament 4 becomes a reinforcing fiber, and the low melting point resin component becomes an adhesive component, so that it has a high bending elastic modulus and excellent impact resistance, and between adjacent cloth-like bodies. Can be formed.
  • thermoplastic resin constituting the filament 4 a resin having a large stretching effect, generally a crystalline resin is used.
  • a resin having a large stretching effect generally a crystalline resin is used.
  • olefin polymers such as high density polyethylene, high pressure low density polyethylene, polypropylene, and ethylene / propylene block copolymers.
  • polyesters such as polyethylene terephthalate and polybutylene terephthalate, polyamides such as nylon 6 and nylon 66, and the like can also be used.
  • olefin polymers such as high-density polyethylene, high-pressure method low-density polyethylene, and polypropylene are preferred because of their workability and economy, and their low specific gravity.
  • the shape of the filament 4 is arbitrary as long as it can form a cloth-like body.
  • tape, yarn, split yarn, monofilament, multifilament, etc. can be used.
  • the filament 4 is twisted as necessary.
  • flat filaments such as tape and yarn are preferred, and flat yarns that are tape-like filaments are particularly preferred.
  • the thickness of the striate body 4 can be arbitrarily selected according to the purpose, but in general, a range of 50 to 10,000 decitex (dt) is desirable.
  • the cloth-like body formed by the filament 4 is generally a woven fabric woven using the filament 4 as the warp 4A and the weft 4B.
  • Examples of the weaving method of the woven fabric include plain weave, twill weave, oblique pattern weave, silk weave and double weave.
  • a large number of linear bodies 4 are juxtaposed in one direction, and a large number of linear bodies 4 are juxtaposed thereon so as to intersect in an arbitrary angle direction, and the intersection is an adhesive such as a hot melt agent. It is also possible to use a cross-bonded cloth (Sof) joined by heat sealing or heat sealing.
  • a multiaxial fiber base in which a large number of linear bodies 4 are arranged side by side in one direction, and a large number of linear bodies 4 are arranged in parallel so as to intersect in an arbitrary angle direction and connected by stitching yarns. It can also be used as a material.
  • the fabric-like body may be a knitted fabric formed by the linear body 4.
  • the number of laminated fabrics is appropriately set to 2 or more so that the lunar core 2 has a desired thickness and rigidity.
  • each of the laminated cloth-like bodies is not limited to the same one, and the cloth-like bodies having different types, widths, thicknesses, stretch ratios, the number of driving, the weaving method, and the like of the line bodies 4 are laminated. May be.
  • the cloth-like body which made the same kind of cloth-like body or the line-like body 4, the width
  • the thickness of the laminate 3 is preferably 0.5 mm to 2.5 mm. When it becomes thinner than 0.5 mm, when this is used independently and the moon core 2 is formed, the intensity
  • the moon core 2 is cut from the laminated body 3 so as to have a desired shape.
  • the cloth-shaped body may be formed in advance so as to have a desired moon-shaped core shape, and a plurality of the cloth-shaped bodies may be stacked and heated and compressed to obtain the moon-shaped core 2.
  • the moon-shaped core 2 obtained by these is shaped so as to be curved along the shape of the heel of the shoe 1 as necessary.
  • such a laminate 3 is made of a thermoplastic resin, the specific gravity is low and the mechanical strength is high. For this reason, the light and strong moon core 2 can be obtained. It contributes to weight reduction of the shoes 1 by being light.
  • the laminated body 3 is comprised by the linear body 4 obtained by extending
  • ASTM D 1052 was applied mutatis mutandis, and the laminate 3 was cut as a test piece into a thickness of 1.2 mm, a width of 25 mm, and a length of 152 mm, and attached to the test machine so that it bends 90 ° using a loss tester. The test was repeated 50000 times to confirm the presence or absence of damage, but there was no damage. Thus, the laminate 3 has extremely high durability against bending.
  • the moon-shaped core 2 is formed only by the laminated body 3.
  • the moon-shaped core 2 is formed by the laminated body 3 and the tanned leather 23. ing. That is, the moon-shaped core 2 is formed by forming a laminated piece 22 by cutting the laminated body 3 into a predetermined shape, and carrying out a predetermined tanning process on the laminated piece 22 to obtain a wrinkle cut into a predetermined shape.
  • the leather 23 is laminated.
  • the total thickness of the lunar core 2 is preferably 5 mm or less (the total thickness of the tanned leather 23 is 2.5 mm or less). This is because when the total thickness of the moon core 2 exceeds 5 mm, generally the rigidity of the moon core 2 becomes too high and the merit of using the laminate 3 is reduced.
  • FIG. 7 shows an example in which a leather core 23 is laminated on one side of a laminate piece 22.
  • the leather 23 is arranged on the inner side (foot heel side) of the moon core 2 and the laminate piece 22 is arranged on the outside.
  • the tanned leather 23 acts to absorb moisture such as water vapor coming from the surface of the foot and adjust to the foot.
  • the lunar core 2 can also be constituted by sandwiching the leather 23 on both sides so as to sandwich the laminate piece 22 at the center.
  • both surfaces become the surfaces of the leather 23
  • the lunar core 2 having the function of allowing the leather 23 to be adapted to the feet is formed in a predetermined curved shape as described above, regardless of the direction of the inside and outside. can do.
  • the laminate piece 22 and the tanned leather 23 are bonded together using an appropriate adhesive such as rubber, epoxy, hot melt, etc.
  • the moon core 2 can be formed by sewing. Further, in the embodiment of FIG. 7, the laminated piece 22 and the tanned leather 23 cut into a predetermined shape are used. However, after bonding or sewing, it may be cut into a predetermined shape. Needless to say.
  • the moon core 2 described above has been illustrated as having a substantially half-moon shape, the shape of the moon core 2 can be changed as appropriate in relation to the heel of the shoe used.
  • ribs 24 can be extended on the shoe sole side.
  • the rib 24 plays a role of holding a predetermined curved shape of the moon core 2 and can also function as an adhesion portion with the insole or the main bottom.
  • the moon core 2 may be configured integrally with the insole 92 as shown in FIG. In this case, after cutting the part of the insole 92 and the moon core 2 integrally from the sheet-like laminate 3, the moon core 2 may be shaped by press molding or the like, or the sheet-like laminate 3 In addition, the integrated body of the insole 92 and the lunar core 2 may be cut after being pressed or the like.
  • Both the high melting point resin component (polypropylene) and the low melting point resin component (propylene-ethylene random copolymer) are polyolefins and are the same kind of resin component.
  • the resulting film was slit with leather (razor).
  • a 10% relaxation heat treatment is performed in a hot air circulating oven at a temperature of 145 ° C. to obtain a flat yarn having a yarn width of 4.5 mm and a fineness of 1700 dt. It was.
  • the obtained flat yarn was woven into a twill weave of 15 warps / 25.4 mm and 15 wefts / 25.4 mm using a slewer loom to obtain a cloth-like body.
  • an adhesive film was obtained.
  • the obtained four cloth-like bodies and the obtained three adhesive films become a cloth-like body / adhesive film / cloth-like body / adhesive film / cloth-like body / adhesive film / cloth-like body. Were alternately laminated to obtain a cross laminate.
  • the obtained cross laminate was heated and pressed for 2 minutes at a press temperature of 145 ° C. and a pressure of 5 MPa using a hydraulic press, and then cooled and pressed for 2 minutes at a press temperature of 25 ° C. and a pressure of 5 MPa using a hydraulic press. Obtained.
  • a PET spunlace nonwoven fabric having a weight per unit area of 30 g / m 2 and an EMA (ethylene-methyl acrylate copolymer) film having a thickness of 30 ⁇ m were laminated in the order of laminate / EMA film / nonwoven fabric.
  • the laminate was pressed for 1 minute at a press temperature of 25 ° C. and a pressure of 0.5 MPa with a hydraulic press machine. A sheet was obtained.
  • the obtained laminate sheet was punched into the shape of a moon core, heated to 130 ° C., press-molded with an aluminum die, and shaped to obtain a laminate moon core (1).
  • the floor reaction force Fx in the left-right direction is measured using a force plate 9281B manufactured by Kistler Co., Ltd. when the first step of kicking in order to move forward from a stepped-on state with the tester landing. did. From the maximum value of the Fx value (the point at which the heel fell outward) to the minimum value of the Fx value (the point at which the heel fell inward) is regarded as a pronation operation.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

L'objectif de la présente invention est de fournir : un contrefort innovant formé à partir d'un corps stratifié résultant de la stratification d'une pluralité de feuilles de corps de type tissu ; et une chaussure comportant le contrefort. Pour cela, l'invention concerne un contrefort (2) comportant au moins le corps stratifié résultant d'une pluralité de feuilles de corps de type tissu formées à l'aide de corps striés, obtenus par étirement d'une résine thermoplastique étant stratifiée, une partie des corps striés étant chauffée/comprimée de façon à fondre, et une chaussure (1) comportant le contrefort (2) au niveau de la section de talon de celle-ci. De préférence, un cuir tanné est collé ou cousu sur une ou les deux surfaces du corps stratifié.
PCT/JP2015/065783 2014-07-03 2015-06-01 Contrefort et chaussure WO2016002412A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2016531205A JPWO2016002412A1 (ja) 2014-07-03 2015-06-01 月形芯及び靴

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-138088 2014-07-03
JP2014138088 2014-07-03

Publications (1)

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WO2016002412A1 true WO2016002412A1 (fr) 2016-01-07

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TW (1) TW201603738A (fr)
WO (1) WO2016002412A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109890236A (zh) * 2016-10-26 2019-06-14 耐克创新有限合伙公司 鞋类跟部弹簧装置
US10897956B2 (en) 2018-12-21 2021-01-26 Nike, Inc. Footwear article with asymmetric ankle collar
JP2021090602A (ja) * 2019-12-10 2021-06-17 フェアストーン株式会社 子供用靴
US11191320B2 (en) 2018-12-28 2021-12-07 Nike, Inc. Footwear with vertically extended heel counter
US11191321B2 (en) 2019-02-13 2021-12-07 Nike, Inc. Footwear heel support device
US11219274B2 (en) 2018-12-21 2022-01-11 Nike, Inc. Footwear article with tongue reinforcer
US11304477B2 (en) 2016-10-26 2022-04-19 Nike, Inc. Footwear heel spring device
US11344077B2 (en) 2018-12-28 2022-05-31 Nike, Inc. Footwear article with collar elevator
US11464287B2 (en) 2018-12-28 2022-10-11 Nike, Inc. Footwear element with locating pegs and method of manufacturing an article of footwear
US11470919B2 (en) 2018-12-28 2022-10-18 Nike, Inc. Heel structure with locating pegs and method of manufacturing an article of footwear
US11758972B2 (en) 2018-12-21 2023-09-19 Nike, Inc. Footwear article with collar elevator
US11910867B2 (en) 2022-03-28 2024-02-27 Nike, Inc. Article of footwear with heel entry device

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11213098B2 (en) 2016-10-26 2022-01-04 Nike, Inc. Footwear heel spring device
CN109890236A (zh) * 2016-10-26 2019-06-14 耐克创新有限合伙公司 鞋类跟部弹簧装置
US11304477B2 (en) 2016-10-26 2022-04-19 Nike, Inc. Footwear heel spring device
US11213097B2 (en) 2016-10-26 2022-01-04 Nike, Inc. Footwear heel spring device
US11758972B2 (en) 2018-12-21 2023-09-19 Nike, Inc. Footwear article with collar elevator
EP4111901A3 (fr) * 2018-12-21 2023-02-08 NIKE Innovate C.V. Article de chaussure doté d'un collier de cheville asymétrique
US10897956B2 (en) 2018-12-21 2021-01-26 Nike, Inc. Footwear article with asymmetric ankle collar
US11219274B2 (en) 2018-12-21 2022-01-11 Nike, Inc. Footwear article with tongue reinforcer
US11633016B2 (en) 2018-12-21 2023-04-25 Nike, Inc. Footwear article with tongue reinforcer
US11344077B2 (en) 2018-12-28 2022-05-31 Nike, Inc. Footwear article with collar elevator
US11464287B2 (en) 2018-12-28 2022-10-11 Nike, Inc. Footwear element with locating pegs and method of manufacturing an article of footwear
US11470919B2 (en) 2018-12-28 2022-10-18 Nike, Inc. Heel structure with locating pegs and method of manufacturing an article of footwear
US11744320B2 (en) 2018-12-28 2023-09-05 Nike, Inc. Footwear article capable of hands-free donning
US11191320B2 (en) 2018-12-28 2021-12-07 Nike, Inc. Footwear with vertically extended heel counter
US11825902B2 (en) 2018-12-28 2023-11-28 Nike, Inc. Footwear article with collar elevator
US11849798B2 (en) 2018-12-28 2023-12-26 Nike, Inc. Footwear article capable of hands-free donning
US11849797B2 (en) 2018-12-28 2023-12-26 Nike, Inc. Footwear article capable of hands-free donning
US11974634B2 (en) 2018-12-28 2024-05-07 Nike, Inc. Heel structure with locating pegs and method of manufacturing an article of footwear
US11191321B2 (en) 2019-02-13 2021-12-07 Nike, Inc. Footwear heel support device
JP2021090602A (ja) * 2019-12-10 2021-06-17 フェアストーン株式会社 子供用靴
US11910867B2 (en) 2022-03-28 2024-02-27 Nike, Inc. Article of footwear with heel entry device

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TW201603738A (zh) 2016-02-01

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