WO2016152490A1 - シューズのアッパー構造およびシューズ - Google Patents
シューズのアッパー構造およびシューズ Download PDFInfo
- Publication number
- WO2016152490A1 WO2016152490A1 PCT/JP2016/057074 JP2016057074W WO2016152490A1 WO 2016152490 A1 WO2016152490 A1 WO 2016152490A1 JP 2016057074 W JP2016057074 W JP 2016057074W WO 2016152490 A1 WO2016152490 A1 WO 2016152490A1
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- WIPO (PCT)
- Prior art keywords
- region
- stretchable
- foot
- stretchable part
- shoes
- Prior art date
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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
- A43B7/28—Adapting the inner sole or the side of the upper of the shoe to the sole of the foot
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
-
- 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
- A43B13/04—Plastics, rubber or vulcanised fibre
-
- 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
- A43B13/141—Soles; Sole-and-heel integral units characterised by the constructive form with a part of the sole being flexible, e.g. permitting articulation or torsion
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0205—Uppers; Boot legs characterised by the material
- A43B23/021—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
- A43B23/02—Uppers; Boot legs
- A43B23/0205—Uppers; Boot legs characterised by the material
- A43B23/0215—Plastics or artificial 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
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/025—Uppers; Boot legs characterised by the constructive form assembled by stitching
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/0265—Uppers; Boot legs characterised by the constructive form having different properties in different directions
- A43B23/027—Uppers; Boot legs characterised by the constructive form having different properties in different directions with a part of the upper particularly flexible, e.g. permitting articulation or torsion
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/0265—Uppers; Boot legs characterised by the constructive form having different properties in different directions
- A43B23/0275—Uppers; Boot legs characterised by the constructive form having different properties in different directions with a part of the upper particularly rigid, e.g. resisting articulation or torsion
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/028—Resilient uppers, e.g. shock absorbing
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/04—Uppers made of one piece; Uppers with inserted gussets
- A43B23/045—Uppers with inserted gussets
- A43B23/047—Uppers with inserted gussets the gusset being elastic
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/02—Football boots or shoes, i.e. for soccer, football or rugby
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/02—Football boots or shoes, i.e. for soccer, football or rugby
- A43B5/025—Football boots or shoes, i.e. for soccer, football or rugby characterised by an element which improves the contact between the ball and the footwear
-
- 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
- A43B7/24—Insertions or other supports preventing the foot canting to one side , preventing supination or pronation
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
- A43C15/00—Non-skid devices or attachments
- A43C15/16—Studs or cleats for football or like boots
Definitions
- the present invention relates to an upper structure of a shoe, and in particular, to an improvement in structure for improving fit and holdability during turn operation.
- an inner stretchable portion and an outer stretchable portion are provided on the inner upper side and the outer upper side of the upper, respectively, so that when the heel rises and the foot bends during exercise, the upper inner stretchable portion and the outer stretchable portion Is described as being improved by stretching along the deformation of the foot (paragraphs [0008] to [0011], [0032] to [0034] and [0056] to [0057] of the publication, and (See FIGS. 3 to 6).
- the present invention has been made in view of such a conventional situation, and a problem to be solved by the present invention is to provide an upper structure of a shoe that can improve fit and hold performance during turn operation. .
- An upper structure of a shoe according to the present invention includes an upper that covers a wearer's foot, and a part of an inner side region of the upper is constituted by an expansion / contraction part, and an outer side region of the upper is constituted by a non-extension / contraction part. (Refer to claim 1).
- the upper outer side region of the upper is configured from the non-stretchable part, when the foot kicked out during the turn operation is about to move to the upper outer side, The placed non-stretchable part holds the outer side of the foot and holds the foot. Thereby, the hold property at the time of turn operation can be improved.
- a part of the upper inner side region of the upper is constituted by the expansion / contraction part, the expansion / contraction part can follow the twist of the foot during the turn operation, and thereby the fit property during the turn operation. Can be improved.
- the stretchable part is arranged in a part corresponding to the inner vertical arch of the foot or a partial area thereof (see claim 2).
- the “inner longitudinal arch” refers to the distal end of the first metatarsal bone (that is, the toe ball portion of the foot) from the inner side of the radius (that is, the distance projection portion of the radius) through the scaphoid bone and the first wedge-shaped bone. It is an area that stretches out.
- the stretchable part is disposed in a part corresponding to the inner vertical arch of the foot or a part of the area, and the non-stretchable part is disposed in the inner side region and the outer side region excluding the stretchable part (claim) Item 3).
- the boundary surface between the stretchable part and the non-stretchable part has a substantially flat surface (see claim 4).
- the word “substantially” is not as flat as the surface of each stretchable unit or non-stretchable unit, but a large step or unevenness at the boundary between the stretchable portion and the non-stretchable portion. This is to include what can be regarded as a flat in the use of shoes (hereinafter the same applies in this specification).
- the boundary surface is formed by sewing the end portions of the stretchable portion and the non-stretchable portion (see claim 5).
- a shoe according to the present invention includes an upper that covers a wearer's foot, and an outsole that is provided at a lower portion of the upper.
- a triangle-shaped region that is composed of a stretchable part and that is formed on the bottom surface of the outsole by connecting positions corresponding to the toe ball part region, the child ball part region, and the distance projection part of the rib, or a groove in the inside thereof. (See claim 7).
- a triangular region formed by connecting positions corresponding to the toe ball portion region, the child ball portion region, and the distance projection portion of the rib, or a part of the inside thereof.
- the non-stretchable portion of the upper side of the upper reliably secures the outer side of the foot. Holdability can be improved.
- the stretchable part on the inner side of the upper can reliably follow the torsion of the foot during a quick turn operation, thereby improving the fit.
- a plurality of grooves on the bottom surface of the outsole are formed, and these grooves are distributed in a fan shape as starting from the position corresponding to the ball segment region or its neighboring region toward the inner shell side. (See claim 8).
- the outsole's thumb ball region gradually bends around the position corresponding to the child's ball region or its neighboring region so that the outsole can be bent more smoothly.
- the outer side region of the upper is configured from the non-stretchable portion, so that the foot kicked out during the turn operation tries to move to the upper side of the upper.
- the non-stretchable portion disposed in the upper outer side region of the upper can hold the outer side of the foot and hold the foot, thereby improving the holdability during the turn operation.
- the expansion / contraction part can follow the torsion of the foot during the turn operation, thereby improving the fit during the turn operation. .
- FIG. 1 is a schematic plan view of a shoe having an upper structure according to an embodiment of the present invention.
- FIG. 2 is a side view of the inner side of the shoe (FIG. 1). It is the outer side side view of the said shoes (FIG. 1).
- FIG. 2 is a schematic cross-sectional view of a boundary portion between a stretchable part and a non-stretchable part in the upper structure (FIG. 1). It is a figure which shows the modification of FIG. It is a figure which shows the other modification of FIG. It is a figure which shows the other modification of FIG. It is the bottom face schematic of the said shoes (FIG. 1), Comprising: The outsole bottom face is shown.
- FIG. 13 is a side view of the inner side of the shoe (FIG. 12). It is an outer side side view of the said shoes (FIG. 12).
- FIG. 1 to 11 show a shoe employing an upper structure according to an embodiment of the present invention.
- a soccer shoe will be described as an example.
- the front (front / front) and back (rear / rear) represent the positional relationship in the front-rear direction of the shoe, and the upper (upper / upper) and lower (lower / lower) The positional relationship in the vertical direction of the shoe shall be expressed.
- the shoe 1 has an upper 2 disposed from the buttocks of the foot to the toe so as to cover the wearer's foot.
- the upper 2 includes a stretchable portion 20 (a portion colored in black) provided in a partial region on the inner side (in this example, a middle foot region), a remaining region in the inner side region, and an outer side region And a non-stretchable portion 21 (a portion other than black) provided in the.
- the stretchable part 20 is made of a relatively highly stretchable material.
- polyurethane or the like is used as a surface of the stretchable part 20, and a mesh material or a knit material such as polyester or polyurethane is used as a lining.
- the lining may be made of a single material.
- other materials may be used for the outer material and the lining material.
- spandex is an elastic fiber obtained by spinning polyurethane in a solvent.
- the non-stretchable portion 21 is made of a material having a relatively low stretchability.
- As the outer surface of the non-stretchable portion 21 for example, natural leather, artificial leather, synthetic leather, polyurethane, nylon, or the like is used. Mesh material is used.
- the upper part of the upper instep of the upper 2 is formed with an opening that communicates with the mouth 10 and extends forward, and a tongue 11 is disposed in the opening.
- the tongue portion 11 is integrally provided with the inner side region of the upper 2 and is colored black like the stretchable portion 20, but the tongue portion 11 is similar to the non-stretchable portion 21. You may make it comprise from the raw material of this.
- a plurality of eyelet holes 12 are formed through the opening, and a shoelace 13 is inserted into the eyelet hole 12.
- the outsole 3 is fixed to the lower part of the upper 2 by adhesion or the like.
- the outsole 3 is a thin plate-like member, preferably made of a hard elastic member. Specifically, a thermoplastic polyurethane (TPU), polyamide (PA), polyamide elastomer (PAE), ABS resin, etc. Or a thermosetting resin such as an epoxy resin or an unsaturated polyester resin.
- a plurality of creeps 30, 31 are provided on the bottom surface 3 ⁇ / b> S of the outsole 3.
- the creat 30 is disposed in the forefoot region, and the creat 31 is disposed in the buttocks region.
- FIG. 4 shows a cross section of the boundary portion between the stretchable portion 20 and the non-stretchable portion 21 of the upper 2.
- both the end portion 20E of the stretchable portion 20 and the end portion 21E of the non-stretchable portion 21 are folded back, and these loops are formed.
- the sewing thread 25 does not appear on the front side of the boundary portion (that is, the surface 20a of the stretchable part 20 and the surface 21a of the non-stretchable part 21).
- Such a sewing method is generally called “sewing split”.
- the boundary portion between the stretchable portion 20 and the non-stretchable portion 21 is formed from a substantially flat boundary surface.
- a groove 4 composed of a plurality of grooves 41 to 45 is formed on the bottom surface 3S of the outsole 3, as shown in FIG. 8, a groove 4 composed of a plurality of grooves 41 to 45 is formed.
- Each of the grooves 41 to 45 is distributed in a generally fan shape in the rear side region of the forefoot region F starting from a portion closer to the outer shell toward the inner shell side, and without overlapping with each creat 30, It is arranged while avoiding the creeps 30.
- Each of the grooves 41 to 45 extends while gradually curving from the outer side toward the inner side, and is a curved or substantially linear groove. The interval between the adjacent grooves is wider in the inner shell side region than in the outer shell side region, and is gradually or stepwise widened from the outer shell side toward the inner shell side.
- FIG. 9 is a schematic bottom view showing the positional relationship between each part of the outsole 3 and the skeleton structure of the foot.
- a circular dot-and-dash line region distributed around the first metatarsal joint MP 1 between the first heel proximal phalanx PP 1 and the first heel metatarsal MB 1 is the phalangeal region.
- a circular dot-and-dash line region distributed around the fifth metatarsal joint MP 5 between the fifth metatarsal bone PP 5 and the fifth metatarsal bone MB 5 is a child.
- This is a fingerball portion (little fingerball portion) region HE.
- the distance projection portion ST of the rib CC is indicated by a circular hatched area.
- CU indicates a cubic bone
- NA indicates a scaphoid bone.
- the groove 4 is a triangular region TR (two points) formed by connecting positions corresponding to the region in the toe ball region TE of the foot, the region in the child ball region HE, and the distance projection portion ST of the rib CC. (See chain line).
- the triangular region TR includes a region TE 1 (see a circular hatched region) located on the rear side in the thumb ball region TE, a central region in the child ball region HE, It is formed by connecting the central portion of the protruding portion ST.
- the groove 4 extends obliquely rearward from the outer side toward the inner side in the triangular region TR.
- the grooves 4 are distributed in a partial region inside the triangular region TR, but may be distributed over the entire region of the triangular region TR.
- the starting point of the groove 4 is arranged outside the triangular region TR in the vicinity of the child ball portion region HE.
- the starting point of the groove 4 is on or within the boundary line of the triangular region TR, or the child ball portion region HE. You may make it arrange
- the inner side creat 30 is disposed at a position corresponding to the thumb ball region TE, and the outer side creat 30 is disposed at a position corresponding to the child ball region HE.
- the inner-side cleat 31 is disposed in the vicinity of the distance projection portion ST.
- the starting point of the groove 4 is arranged at any part between the creats 30 on the inner and outer upper sides of the forefoot region F.
- each of the grooves 41 to 45 has a substantially triangular shape.
- FIG. 11 which is a cross-sectional view taken along the line XI-XI of FIG. 8
- each of the grooves 41 to 45 has a substantially arc shape (hatching is omitted in FIGS. 10 and 11). You may make it have the same cross-sectional shape in both the instep side area
- the depth of each of the grooves 41 to 45 is d in the inner side area and the outer side area, but the depth may be changed in both areas.
- reference numeral 3 ⁇ / b> S ′ indicates a surface of the outsole 3 on the sole contact side.
- high rigidity region portions 3 ⁇ / b> A and 3 ⁇ / b> B having higher rigidity than the rigidity of the triangular region TR are provided in the outer side region of the triangular region TR.
- the high-rigidity regions 3A and 3B are preferably made of a hard elastic member.
- thermoplastic resins such as thermoplastic polyurethane (TPU), polyamide (PA), polyamide elastomer (PAE), and ABS resin are used.
- a thermosetting resin such as an epoxy resin or an unsaturated polyester resin.
- the high-rigidity regions 3A and 3B are made of fiber reinforced plastic (FRP) using carbon fiber, aramid fiber, glass fiber or the like as reinforcing fiber and thermosetting resin or thermoplastic resin as matrix resin. May be. These high-rigidity area portions 3A and 3B can be omitted.
- FRP fiber reinforced plastic
- the stretchable portion 20 of the upper 2 is preferably disposed in a portion corresponding to the inner longitudinal arch of the foot or a portion corresponding to a partial region of the inner longitudinal arch.
- the “inner longitudinal arch” means the distal end of the first heel metatarsal bone MB 1 through the scaphoid NA and the first wedge bone from the distance projection part ST (FIG. 9) of the rib inside, that is, the rib. This is a region extending to the toe ball portion TE (the same figure) of the foot.
- the lower portion of the stretchable portion 20 of the upper 2 is disposed in a portion corresponding to a partial region of the inner vertical arch of the foot.
- the rear side edge of the stretchable part 20 extends in the foot circumference direction substantially linearly toward the upper part of the instep, and the front side edge extends toward the upper part of the instep while bending backward.
- the front edge portion may be extended in the foot circumference direction in a substantially straight line toward the upper part of the instep, similarly to the rear edge portion.
- the stretch rate of the stretchable portion 20 of the upper 2 is set to 7 to 15%, preferably 10 to 12%, and the stretch rate of the non-stretchable portion 21 is set to less than 5%.
- the expansion ratio of the stretchable part 20 and the non-stretchable part 21 is measured as follows. (1) Test method JIS L 1096 8.14.1 “Testing method for fabrics and knitted fabrics” According to method A (strip method). After holding the test piece and pulling it with a tensile tester, the elongation percentage is measured. (2) Test conditions Grab interval between test pieces: 200 mm Tensile speed: 200 mm / min.
- Elongation rate (%) (L1-L0) / L0 ⁇ 100
- JIS defines the elongation rate when load 14.7N (1.5kgf) is applied, but it is noted that any load is acceptable. Therefore, 29.4N was adopted here.
- the outer side area of the upper 2 is composed of the non-stretchable portion 21 (see FIGS. 1 and 3), the foot kicked out during the turn operation is going to move toward the outer side of the upper 2
- the non-stretchable portion 21 arranged in the outer side region of the upper 2 holds the foot while holding the outer side of the foot, thereby improving the holdability during the turn operation.
- the middle foot region (or the portion corresponding to a partial region of the inner longitudinal arch of the foot) that is a part of the inner side region of the upper 2 is configured by the stretchable portion 20. (Refer FIG. 1, FIG. 2) and the expansion-contraction part 20 can track the twist of the leg
- the boundary surface between the stretchable portion 20 and the non-stretchable portion 21 has no step and is substantially flat (see FIG. 4), so the upper structure is applicable to shoes such as soccer shoes that kick a ball. In this case, it is possible to prevent the feeling at the time of the ball kick from being lost and to improve the controllability of the ball. In addition, since the seam does not appear on the boundary surface between the stretchable part 20 and the non-stretchable part 21 (see the figure), the controllability with respect to the ball can be further improved.
- a triangular region TR formed by connecting positions corresponding to the toe ball portion region TE, the child ball portion region HE, and the distance projection portion ST of the rib CC, or the Since the groove 4 is formed in a part of the inner region (see FIGS. 8 and 9), the flexibility of the triangular region TR is improved, and the thumb ball region TE of the outsole 3 is the hip region. It is easy to twist with respect to H. Thereby, at the time of the turn operation, the bottom surface 3S of the outsole 3 can be sufficiently grounded with respect to the ground, the grip force with respect to the ground can be increased, and the inclination angle of the leg in the direction of turning can be increased.
- the non-stretchable portion 21 in the outer side area of the upper 2 securely holds the outer side of the foot even when the kicking foot tries to move suddenly toward the upper side of the upper 2 Since the foot is held, the holdability can be improved. Further, since the stretchable part 20 on the inner side of the upper 2 reliably follows the torsion of the foot during a quick turn operation, the fit can be improved.
- the region corresponding to the thumb ball region TE in the outsole 3 is changed to the hip region H.
- it can be gradually bent in a stepwise manner from the rear groove 45 to the front groove 41, whereby the outsole 3 can be bent smoothly.
- the high rigidity areas 3A and 3B having higher rigidity than the rigidity of the triangular area TR are provided in the outer area of the triangular area TR, the triangular area TR becomes the high rigidity area 3A on the outer side. It is relatively easier to bend than 3B, and the bendability of the triangular region TR is relatively improved.
- FIG. 5 to 7 show other examples of sewing methods.
- the end 20E of the stretchable part 20 and the end 21E of the non-stretchable part 21 are folded back and the looped folded parts are sewn with the sewing thread 25.
- the left and right portions are further sewn with different sewing threads 26 with the sewing thread 25 interposed therebetween.
- Such a sewing method is generally called “sewing presser”.
- the boundary portion between the stretchable portion 20 and the non-stretchable portion 21 is formed from a substantially flat boundary surface.
- the end portion 21E of the non-stretchable portion 21 is superimposed on the end portion 20E of the stretchable portion 20 and is sewn with the sewing thread 25.
- a sewing method is generally referred to as “overlapping stitching”. It is called.
- a thin resin sheet (for example, a polyurethane (PU) sheet or the like) 27 is further thermocompression-bonded on the boundary portion between the stretchable part 20 and the non-stretchable part 21.
- the sewing thread 25 does not appear on the front side of the boundary portion, and the boundary portion is formed from a boundary surface that is closer to flat.
- the end 20E of the stretchable part 20 and the end 21E of the non-stretchable part 21 are abutted with each other and sewn with a sewing thread 25.
- a sewing method is generally referred to as “butt stitching”. It is called.
- a resin sheet 27 such as a thin PU sheet is thermocompression bonded on the boundary portion between the stretchable part 20 and the non-stretchable part 21.
- the sewing thread 25 does not appear on the front side of the boundary portion, and the boundary portion is formed from a boundary surface that is more flat.
- ⁇ Second Modification> 12 to 14 show a shoe in which an upper structure according to a modification of the present invention is adopted.
- region namely, part corresponding to the one part area
- the stretchable part 20 is provided in the inner side area from the middle foot area to the rear side.
- the position and shape of the front end edge of the stretchable part 20 are the same as those shown in the above embodiment, but the rear end edge of the stretchable part 20 extends to the rear end of the heel. (See FIGS. 12 and 14).
- the shape of the rear edge of the stretchable part 20 at the rear edge of the heel is formed so as to cross diagonally downward from the outer heel side to the inner heel side.
- the shape is not limited to this, and may be formed so as to cross diagonally upward from the outer side to the inner side, or may extend straight up and down at the rear side. Also good.
- channel 4 formed in the bottom face 3S of the outsole 3 showed the example arrange
- the shape is not limited to this, but may be other inclinations or may be arranged linearly.
- the groove 4 does not have to be disposed across the front-rear direction center line L, and is disposed in one of the regions (that is, the inner side region or the outer side region) across the front-rear direction center line L. It may be provided.
- the number of the grooves 4 and the interval between the adjacent grooves 4 are not limited to those shown in the above embodiment, but may be other numbers, and the grooves 4 may be arranged in parallel. Furthermore, the cross-sectional shape of the groove is not limited to that shown in the above embodiment, and may take other arbitrary shapes.
- the present invention is useful for the upper structure for shoes, and is particularly suitable for sports shoes that require improved fit and holdability during turn operation.
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- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- Physical Education & Sports Medicine (AREA)
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Abstract
Description
図1ないし図11は本発明の一実施例によるアッパー構造が採用されたシューズを示している。ここでは、サッカーシューズを例にとって説明する。なお、以下の説明文中、前方(前側/前)および後方(後側/後)とは、シューズにおける前後方向の位置関係を表し、上方(上側/上)および下方(下側/下)とは、シューズにおける上下方向の位置関係を表すものとする。
(1)試験方法
JIS L 1096 8.14.1 「織物及び編物の生地試験方法」A法(ストリップ法)に準拠した定速伸長法による。
試験片を引張試験機でつかんで引っ張った後、伸長率を測定する。
(2)試験条件
試験片のつかみ間隔: 200mm
引張速度: 200mm/min.
(3)伸長率の計算方法
伸長率(%)=(L1-L0)/L0×100
L0: つかみ間隔
L1: 荷重29.4Nの作用時のつかみ間隔
ここで、JISでは、荷重14.7N(1.5kgf)の作用時の伸長率を定めているが、任意の荷重でよいと記されているため、ここでは29.4Nを採用した。
(4)試験結果
試験片として、伸縮部20については、伸縮性のある編物のメッシュ素材(ポリエステル糸およびウレタン糸からなるメッシュ)に伸縮性のあるPUフィルム(厚み約0.3mm)およびホットメルト接着剤を熱圧着したものを用意し、非伸縮部21については、伸縮しにくい織物のメッシュ素材およびホットメルトを人工皮革に熱圧着したものを用意して、引張試験を行った結果は、以下のとおりである。
伸縮部20の伸長率: 11.1%
非伸縮部21の伸長率: 3.8%
本アッパー構造においては、アッパー2の外甲側領域が非伸縮部21から構成されているので(図1、図3参照)、ターン動作時に蹴り出す足がアッパー2の外甲側に移動しようとした際には、アッパー2の外甲側領域に配置された非伸縮部21が足の外甲側を保持して足をホールドし、これにより、ターン動作時のホールド性を向上できる。しかも、この場合には、アッパー2の内甲側領域の一部である中足部領域(または足の内側縦アーチの一部の領域に対応する部分)が伸縮部20から構成されているので(図1、図2参照)、伸縮部20がターン動作時の足の捩じれに追従することができ、これにより、ターン動作時のフィット性を向上できる。
このような素早いターン動作時に、蹴り出す足がアッパー2の外甲側に急激に移動しようとした際でも、アッパー2の外甲側領域の非伸縮部21が足の外甲側を確実に保持して足をホールドするので、ホールド性を向上できる。また、素早いターン動作時の急激な足の捩じれに対してもアッパー2の内甲側の伸縮部20が確実に追従するので、フィット性を向上できる。
前記実施例では、アッパー2の伸縮部20および非伸縮部21の境界部分において、伸縮部20の端部20Eおよび非伸縮部21の端部21Eを縫糸25で「縫い割り」により縫製した例を示したが(図4参照)、本発明の適用はこれに限定されない。
図5においては、前記実施例と同様に、伸縮部20の端部20Eおよび非伸縮部21の端部21Eが裏側に折り返されてこれらループ状の各折返し部が縫糸25で縫製されているが、同図に示すものでは、さらに、縫糸25を挟んで左右の部分が別の縫糸26により縫製されている。このような縫製方法は、一般に「縫い押え」と呼称されている。同図に示すように、伸縮部20および非伸縮部21の境界部分は、実質的にフラットな境界面から形成されている。
図12ないし図14は、本発明の変形例によるアッパー構造が採用されたシューズを示している。
前記実施例では、アッパー2の伸縮部20が内甲側領域の一部の領域である中足部領域(つまり内側縦アーチの一部の領域に対応する部分)または内側縦アーチに対応する部分に設けられた例を示したが、この変形例では、伸縮部20は、中足部領域から後方側にかけての内甲側領域に設けられている。図12および図13に示すように、伸縮部20の前端縁部の位置および形状は前記実施例に示すものと同様であるが、伸縮部20の後端縁部は踵後端まで延びている(図12および図14参照)。なお、この例では、踵後端における伸縮部20の後端縁部の形状が、踵後端を外甲側から内甲側にかけて斜め下方に横切るように形成されているが、後端縁部の形状はこれに限定されず、踵後端を外甲側から内甲側にかけて斜め上方に横切るように形成されていてもよく、あるいは、踵後端において上下方向に真っ直ぐに延設されていてもよい。
前記実施例では、アウトソール3の底面3Sに形成される溝4が外甲側から内甲側にかけて徐々に湾曲しつつ斜め後方に向かって配設された例を示したが、溝4の傾きや形状はこれに限定されるものではなく、その他の傾きでもよく、直線状に配設されていてもよい。また、溝4は、前後方向中心線Lを跨いで配設されていなくてもよく、前後方向中心線Lを挟んでいずれか一方の領域(つまり内甲側領域または外甲側領域)に配設されていてもよい。溝4の本数や隣り合う各溝4の間隔も前記実施例に示すものには限定されず、その他の本数でもよく、各溝4が平行に配設されていてもよい。さらに、溝の横断面形状についても、前記実施例に示すものには限定されず、その他の任意の形状をとり得る。
上述した実施例および各変形例はあらゆる点で本発明の単なる例示としてのみみなされるべきものであって、限定的なものではない。本発明が関連する分野の当業者は、本明細書中に明示の記載はなくても、上述の教示内容を考慮するとき、本発明の精神および本質的な特徴部分から外れることなく、本発明の原理を採用する種々の変形例やその他の実施例を構築し得る。
前記実施例では、本発明によるアッパー構造がサッカーシューズに適用された例を示したが、本発明の適用はこれに限定されるものではなく、本発明は、ラグビーシューズやアメリカンフットボールシューズ、フットサルシューズ等の他のスポーツシューズにも同様に適用可能である。
2: アッパー
20: 伸縮部
21: 非伸縮部
25: 縫糸
3: アウトソール
3S: 底面
4: 溝
TE: 拇指球部領域
HE: 子指球部領域
ST: 載距突起部分
CC: 踵骨
TR: 三角形状領域
Claims (8)
- シューズのアッパー構造であって、
着用者の足を覆うアッパーを備え、
前記アッパーの内甲側領域の一部を伸縮部から構成するとともに、前記アッパーの外甲側領域を非伸縮部から構成するようにした、
ことを特徴とするシューズのアッパー構造。 - 請求項1において、
前記伸縮部が足の内側縦アーチに対応する部分またはその一部の領域に配置されている、
ことを特徴とするシューズのアッパー構造。 - 請求項1において、
前記伸縮部が足の内側縦アーチに対応する部分またはその一部の領域に配置され、前記非伸縮部が前記伸縮部を除く内甲側領域および外甲側領域に配置されている、
ことを特徴とするシューズのアッパー構造。 - 請求項1ないし3のいずれかにおいて、
前記伸縮部および前記非伸縮部の境界面が実質的にフラットな面を有している、
ことを特徴とするシューズのアッパー構造。 - 請求項4において、
前記境界面が、前記伸縮部および前記非伸縮部の各々の端部の縫製により形成されている、
ことを特徴とするシューズのアッパー構造。 - 請求項5において、
前記境界面に縫い目が現れていない、
ことを特徴とするシューズのアッパー構造。 - シューズであって、
着用者の足を覆うアッパーと、
前記アッパーの下部に設けられるアウトソールとを備え、
前記アッパーの内甲側領域の一部を伸縮部から構成しかつ外甲側領域を非伸縮部から構成するとともに、
前記アウトソールの底面において、足の拇指球部領域、子指球部領域および踵骨の載距突起部分にそれぞれ対応する位置を結んでできる三角形状領域またはその内部に溝を形成した、
ことを特徴とするシューズ。 - 請求項7において、
前記溝が複数本形成されており、子指球部領域またはその近傍領域に対応する位置を起点として内甲側に向かうにしたがい扇状に分布している、
ことを特徴とするシューズ。
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KR1020177006431A KR20170134956A (ko) | 2015-03-23 | 2016-03-08 | 슈즈의 어퍼 구조 및 슈즈 |
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CN107072354A (zh) | 2017-08-18 |
EP3275329A1 (en) | 2018-01-31 |
JP2016179001A (ja) | 2016-10-13 |
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JP6026583B2 (ja) | 2016-11-16 |
BR112017003512A2 (pt) | 2017-12-05 |
US20170156439A1 (en) | 2017-06-08 |
KR20170134956A (ko) | 2017-12-07 |
US10342288B2 (en) | 2019-07-09 |
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