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Patent
ASICS Corporation | Date: 2017-05-10

Provided is a shoe sole member formed by at least two types of polymer compositions, a first composition and a second polymer composition, including: a first part formed by the first polymer composition; a second part formed by the second polymer composition; and a third part formed by a mixture of the first polymer composition and the second polymer composition between the first part and the second part.


Patent
ASICS Corporation | Date: 2017-05-24

A flexible member includes a reinforced area reinforced by first and second reinforcement portions, wherein: the area is defined by the posterior edge of a first reinforcement portion and the anterior edge of a second reinforcement portion; the first and second reinforcement portions are smoothly continuous with each other without gaps; the perimeter of the area is completely surrounded by the first and second reinforcement portions; the virtual first center line of the area extends obliquely forward and upward; and the angle formed between the first center line and the tread surface of the sole is about 40 to 55.


Patent
ASICS Corporation | Date: 2016-06-15

A shoe sole is formed of a rubber component containing at least one of a natural rubber and an isoprene rubber, and a cross-linked resin. The cross-linked resin is a cross-linked ethylene-vinyl acetate copolymer, and the cross-linked resin contains the cross-linked ethylene-vinyl acetate copolymer in an amount of 3 parts by mass to 40 parts by mass relative to 100 parts by mass of the rubber component. The rubber component contains the isoprene rubber in an amount of not less than 70 parts by mass per 100 parts by mass of the rubber component. The above-mentioned shoe sole has a superior mechanical strength and further has suitable hardness.


Patent
ASICS Corporation | Date: 2016-03-09

The invention aims to provide a shoe sole member capable of achieving comfort when using shoes and exhibiting excellent shape-recovering properties after using the shoes. Provided is a shoe sole member formed using a polymer foam, and the polymer foam contains fibers dispersed therein.


Patent
ASICS Corporation | Date: 2016-08-17

A plate is provided located between an upper surface of the outsole and an upper surface of the mid sole and being continuous from a middle foot portion to a rear foot portion, the plate being formed by a material having a greater Youngs modulus than the outsole and the mid sole, the mid sole includes: a low-hardness area provided in an area of a majority of the middle foot portion and a majority of the rear foot portion; and a high-hardness area arranged between a Choparts joint and a rear end of a calcaneal bone, wherein where a medial side portion, a central portion and a lateral side portion are obtained by dividing the rear foot portion in three equal parts in a transverse direction perpendicular to a longitudinal axis of a foot, the high-hardness area is provided in at least a portion of the central portion and/or a portion of the lateral side portion, the high-hardness area having a greater hardness than that of the material forming the low-hardness area, wherein the plate is arranged continuously anterior to, directly below, and posterior to, the high-hardness area.


Patent
ASICS Corporation | Date: 2016-08-17

An athletic shoe including an interior member 1 in contact with a surface of a foot; and a loop-shaped wrap W covering a portion of the interior member 1 and formed by a material less stretchable than the interior member 1, wherein the wrap W includes: a heel portion W1 continuously covering a medial side M, a back surface B and a lateral side L of a calcaneal bone BC; a twisted portion W2 having a band-shaped and/or cord-shaped configuration continuous with a front end portion of the heel portion W1 on the medial side M of the heel portion W1 the twisted portion W2 toward under a foot sole extending while being twisted on the medial side M of the foot; a medial bottom portion W3 continuous with a front end portion of the twisted portion W2, the medial bottom portion W3 extending along a medial side portion of the foot sole to a ball O1 of a big toe under the foot sole; and a diagonal transverse portion W4 having a band-shaped and/or cord-shaped configuration continuous with a front end portion of the heel portion W1 on the lateral side L of the heel portion W1, the diagonal transverse portion W4 covering at least a portion of a cuboid bone BCu and/or at least a portion of a fifth metatarsal bone B5 a rough surface B5f, and further extending across an upper surface of an instep in a diagonally forward direction so as to cover a portion of an upper surface of the big toe and at least a portion of a side surface of the ball O1 of the big toe.


Patent
ASICS Corporation | Date: 2016-02-03

A shoe including: a plurality of cleats projecting from a bottom surface of an outsole; a first region where a first cleat is arranged; a second region where a second cleat is arranged; a band-shaped portion having a band shape which is arranged between the first region and the second region, wherein: the band-shaped portion extends from a middle region of a rearfoot portion toward a rear edge portion of the rearfoot portion and extends from the middle region of the rearfoot portion toward a lateral edge portion on a lateral side of the rearfoot portion; and at least one of the following elements a) and b) is satisfied: a) a Youngs modulus of a soft material forming the band-shaped portion is less than a Youngs modulus of a hard material forming the first and second regions; and b) an average value of a thickness of the band-shaped portion is less than an average value of a thickness of portions of the first and second regions in the vicinity of the band-shaped portion.


Patent
ASICS Corporation | Date: 2016-01-20

A mid sole arranged on an outsole having a tread surface, the mid sole including: an upper layer and a lower layer, wherein one of the upper layer and the lower layer includes a layer of a first foamed body having a thermoplastic resin component; in another one of the upper layer and the lower layer, one or two or more of a majority of a flat area of a front foot portion, a majority of a flat area of a middle foot portion, and a majority of a flat area of a rear foot portion includes a layer of a second foamed body having a thermoplastic resin component; and the second foamed body has a greater specific gravity than the first foamed body, and is formed by a low-resilience material having a low speed of recovering to its original shape after being deformed.


Patent
ASICS Corporation | Date: 2016-02-03

A shoe for indoor sports including: an outer sole having a tread surface; a mid sole arranged over the outer sole; and a resin reinforcement plate which has a Youngs modulus greater than a Youngs modulus of the outer sole and than a Youngs modulus of the mid sole and which is arranged between the outer sole and the mid sole, characterized in that: the reinforcement plate includes a base plate portion and a roll-up portion formed integrally continuous together, with the base plate portion extending from posterior of heads of proximal phalanges of a big toe and a little toe to anterior of a tip of a foot, and extending continuously from a medial side toward a lateral side in a front portion of the reinforcement plate, and with the roll-up portion being rolled up from the front portion of the base plate portion upwardly Z above an upper surface of a front end portion of the mid sole so as to cover an anterior of the big toe, wherein the reinforcement plate does not cover toes including the big toe and the little toe from directly above; and at least a portion of a front surface of the roll-up portion is covered by an anti-slip member having a greater frictional force against a floor surface than the reinforcement plate.


Patent
ASICS Corporation and Taica Corporation | Date: 2016-08-31

The present invention addresses a problem to develop a novel shock absorbing structure which realizes stability while absorbing strong impact at a time of landing and a kicking-out time by bending and a tensile force of a shock absorbing member itself of a gel or the like, and also provides an excellent effect in reduction in weight and an aspect of cost, and a shoe to which the shock absorbing structure is applied. [Solution] The present invention is a structure that includes a hard bone portion that extends to an outer side of a sole side face at a time of pressure reception, and an elastic soft skin portion provided at an outer side of the hard bone portion, and absorbs impact at a time of landing and the like, wherein at least a part of the hard bone portion is provided along a sole side face, and the hard bone portion and the elastic soft skin portion have a structure in which at a time of pressure reception, the hard bone portion undergoes bending deformation in a vertical section so as to extend to a lateral side of the sole, and by receiving the deformation, the elastic soft skin portion undergoes elastic deformation so as to bulge to the lateral side of the sole to absorb a received pressure load, and thereafter, with decompression, the elastic soft skin portion undergoes elastic deformation so as to contract to an inner side of the sole this time, and with this, the hard bone portion is also restored to an initial state.

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