US20110154694A1 - Footwear - Google Patents

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Publication number
US20110154694A1
US20110154694A1 US12/980,027 US98002710A US2011154694A1 US 20110154694 A1 US20110154694 A1 US 20110154694A1 US 98002710 A US98002710 A US 98002710A US 2011154694 A1 US2011154694 A1 US 2011154694A1
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United States
Prior art keywords
sole
sole portion
assembly
engaged manner
footwear
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US12/980,027
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English (en)
Inventor
Satoshi Yamane
Byeong Gwon AN
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OPEN YOUR EYES KK
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OPEN YOUR EYES KK
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Assigned to OPEN YOUR EYES KK reassignment OPEN YOUR EYES KK ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: AN, BYEONG GWON, YAMANE, SATOSHI
Publication of US20110154694A1 publication Critical patent/US20110154694A1/en
Abandoned legal-status Critical Current

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    • 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
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/28—Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels
    • A43B13/36—Easily-exchangeable soles
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/24—Collapsible or convertible
    • A43B3/242—Collapsible or convertible characterised by the upper
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/24—Collapsible or convertible
    • A43B3/244—Collapsible or convertible characterised by the attachment between upper and sole
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/24—Collapsible or convertible
    • A43B3/246—Collapsible or convertible characterised by the sole

Definitions

  • the present invention relates to footwear and particularly to assembly-type footwear.
  • footwear is formed in a manner in which an instep leather portion, inner sole portion, and outer sole portion are fixed as a whole. As a result, it is, in general, impossible for a user to change design and/or color of the footwear fixedly assembled.
  • a user Under the present conditions or circumstances, a user possesses a plurality of pairs of footwear and selects one pair of footwear each time so as to match the footwear to design and/or color of clothes to put on and/or a bag or the like to carry.
  • Patent Reference 1 Japanese Patent Application Publication No. 2009-512471
  • Patent Reference 1 Japanese Patent Application Publication No. 2009-512471
  • assembly-type sandals are disclosed in Patent Reference 2 (Examined Utility Model Registration No. 3045031) which enable a spat belt portion, inner sole portion, and an outer sole portion to be separated from one another so that the sandals can be used for a long time and sandal fashion level can be improved by combinations of design with color.
  • Patent Reference 3 Japanese Patent Application Laid-Open No. 2008-178687
  • Patent Reference 3 Japanese Patent Application Laid-Open No. 2008-178687
  • various methods of using footwear are achieved by combining the footwear to be used indoors with footwear to be used outdoors.
  • each component making up footwear can be separated from each other, however, due to its separable structure, it has now become difficult to fitly and tightly unify the whole components without looseness. That is, the weight of a user is loaded on footwear which causes a fear that the footwear is broken depending on the application of stress.
  • footwear including a sole assembly having a first sole portion and a second sole portion, wherein each of the first sole portion and the second sole portion has a shape that allows connection, in an engaged manner, between the first sole portion and the second sole portion and wherein, in a state in which the first sole portion and second sole portion are connected, in an engaged manner, to each other, at least part of the first sole portion is located so as to be in contact with an upper side of at least part of the second sole portion and at least part of the second sole portion is located so as to be in contact with an upper side of at least part of the first sole portion.
  • each component making up the footwear can be separated from each other and can be unified tightly without looseness and various combinations of design with color can be realized.
  • the footwear wherein the first sole portion and the second sole portion are connected to each other in an engaged manner in a state in which the first sole portion has a hole passing through in up and down directions and the second sole portion passes through the hole and at least part of a portion on a nail tip side of the second sole portion is located so as to be in contact with a lower side of the first sole portion and at least part of a portion on a heel side of the second sole portion is located so as to be in contact with an upper side of the first sole portion.
  • the footwear assembly is made easy and the sole assembly can be unified tightly as a whole without looseness.
  • the footwear wherein an internal surface portion surrounding the hole formed in the first sole portion and an external surface portion on a nail tip side of the second sole portion are connected to each other in an engaged manner.
  • the assembly of the footwear is also made easy and the sole assembly can be unified tightly as a whole without looseness.
  • the footwear wherein the first sole portion and the second sole portion are connected to each other in an engaged manner in a state in which the second sole portion has a hole passing through in up and down directions and the first sole portion passes through the hole and at least part of a portion on a heel side of the first sole portion is located so as to be in contact with a lower side of the second sole portion and at least part of a portion on a nail tip side of the first sole portion is located so as to be in contact with an upper side of the second sole portion.
  • the assembly of the footwear is also made easy and the sole assembly can be unified tightly as a whole without looseness.
  • the footwear wherein an internal surface portion surrounding the hole formed in the second sole portion and an external surface portion on a nail tip side of the first sole portion are connected to each other in an engaged manner.
  • the assembly of the footwear is also made easy and the sole assembly can be unified tightly as a whole without looseness.
  • the footwear which further includes a holder portion to cover the sole assembly from a lower side, wherein the sole assembly and the holder portion are connected to each other in an engaged manner.
  • the existence of the holder portion enables entire components making up the footwear to be unified tightly as a whole without looseness and various combinations of design with color to be enjoyed by a user.
  • a portion connected, in an engaged manner, to the sole assembly of the holder portion is harder than a portion connected, in an engaged manner, to the holder portion of the sole assembly.
  • the holder portion and sole assembly are made hard to be disconnected from each other.
  • the footwear wherein the sole assembly has pins each passing through the first sole portion and the second sole portion, in a region of an arch of a foot, in up and down directions and wherein the pins prevent the first and second sole portions from being deviated in back and forth directions.
  • the pins make it possible to prevent deviation between the first sole portion and second sole portion mainly in back and forth directions.
  • the footwear wherein the holder portion has a hole passing through in up and down directions and the outer sole has a protruding portion constructed to be protruded so that part of the sole assembly passes through the hole of the holder portion.
  • the outer sole made of a suitable material can be selected and various combinations of design and color including the outer sole can be enjoyed.
  • the footwear wherein at least one of the sole portion and second sole portion has an inner sole made of a first material and an outer sole made of a second material different from that of the first material.
  • the footwear wherein, in a state in which the first sole portion and second sole portion are connected to each other in an engaged manner, at least one of a portion where the first sole portion is in contact with the second sole portion and a portion where the second sole portion is in contact with the first sole portion has convex and concave portions, which prevent the first and second sole portions from being deviated in right and left directions or in up and down directions.
  • the deviation of the first sole portion and second sole portion mainly in right and left directions and up and down direction can be prevented.
  • the footwear which further includes an instep leather portion, wherein the instep leather portion has a first part extending from the first part in an upward direction, a second part extending from the second part in an upward direction, and a connecting mechanism which connects the first part to the second part so as to be touchable to or detachable from each other.
  • FIG. 1 is a diagram showing a sole holder assembly prior to assembling of the present embodiment.
  • FIG. 2 is a diagram explaining one example of assembling methods of a shoe of the present embodiment.
  • FIG. 3 is a cross-sectional view taken along plane perpendicular to back and forth directions of the shoe of the present embodiment.
  • FIG. 4 is a cross-sectional view taken along plane perpendicular to back and forth directions of the shoe of the present embodiment.
  • FIG. 5 is a diagram explaining a shoe of a modified example of the present invention.
  • FIGS. 6A and 6B are diagrams explaining a difference in structure between the shoe of the embodiment of the present invention and the shoe of the modified example of the present embodiment.
  • a shoe 1 is explained as one concrete example of footwear.
  • the shoe 1 is made up of a sole holder assembly 11 on which a user puts his/her foot and an instep leather portion 12 which is drawn and extended from side end portions of the sole holder assembly 11 and covers an instep of the user foot or the like.
  • FIG. 1 is a diagram showing the sole holder assembly 11 before being assembled according to the present invention.
  • the sole holder assembly 11 has a sole assembly 111 and a holder portion 112 to cover the sole assembly 11 from its lower side.
  • the sole assembly 111 is made up of a first sole portion 1111 , second sole portion 1112 , and pins 1113 with which the first sole portion 1111 and second sole portion 1112 are fastened.
  • the first sole portion 1111 has a first inner sole 11111 and a first outer sole 11112 .
  • the second sole portion 1112 has a second inner sole 11121 and a second outer sole 11122 .
  • the first inner sole 11111 is made of, for example, ethylene vinyl acetate (EVA) copolymer (hereinafter referred simply to as “EVA”).
  • EVA ethylene vinyl acetate copolymer
  • the reason for using the EVA as the material is that the EVA is a comparatively soft material and, therefore, is convenient for assembling the sole assembly 111 as described later and, since the first inner sole 11111 is a portion which touches the sole of a foot, the EVA being soft to some extent is a suitable material.
  • a hole which passes through the sole portions for example, in up and down directions.
  • the first inner sole 11111 also has, for example, a portion surrounding the hole and a portion having a disc shape used to put part of the second sole portion 1112 .
  • the portion surrounding the hole is located on the nail tip side of the shoe 1 and the portion having the disc shape is located on its heel side.
  • the first outer sole 1112 is made of, for example, rubber. As described above, since the first inner sole 11111 is made of the comparatively soft EVA, by making the first outer sole 11112 of comparatively hard rubber, distortion of the entire shoe 1 and excessive wear of the outer sole 11112 is prevented.
  • the first outer sole 11112 is a plate-like material having an approximately semicircular shape.
  • An upper side portion of the first outer sole 11112 is bonded to a lower side portion of the heel of the first inner sole 11111 by using, for example, a bonding agent.
  • a portion contacting the ground, while the shoe 1 is being used, on a lower side of the first outer sole 11112 has convex and concave portions that provide strong frictional force in back and forth directions and in right and left directions.
  • the second inner sole 11121 is made of, for example, EVA.
  • EVA is the comparatively soft material and, therefore, is convenient for assembling the sole assembly 111 as described later and, since the second inner sole 11121 is a portion which touches the sole of a foot, the EVA being soft to some extent is a suitable material.
  • the second inner sole 11121 has a portion with a disc shape being put on the first sole portion 1111 and a portion of a plate material like a gourd swollen in its body which extends from the portion having the disc shape and has a plate-like configuration with its center being contracted as a whole when seen from above.
  • the portion having the disc shape described above is located on the heel side of the shoe 1 and the gourd-like plate material is located on its nail tip side.
  • the second outer sole 11122 is made of, for example, rubber. As described above, since the second inner sole 11121 is made of the comparatively soft EVA, by making the second outer sole 11122 of comparatively hard rubber, distortion of the entire shoe 1 and excessive wear of the second outer sole 11122 is prevented.
  • the second outer sole 11122 is a plate-like material having an approximately elliptical shape.
  • a portion near to a center on an upper side of the second outer sole 11122 is bonded, for example, with a bonding agent, to a lower side portion of the second inner sole 11121 .
  • the second outer sole 11122 when seen from above, covers an area wider than that of the second inner sole portion 11121 .
  • a portion contacting the ground while the shoe 1 is used on a lower side of the second outer sole 11122 has convex and concave portions that provide strong frictional force in back and forth directions and in right and left directions.
  • the portion having the disc shape in the second inner sole 11121 is put on the portion having the disc shape of the first inner sole 11111 .
  • first sole portion 1111 and second sole portion 1112 are connected to each other in an engaged manner in a state in which the second sole portion 1112 passes through the hole formed in the first sole portion 1111 and at least part on the nail tip side of the second sole portion 1112 is located so as to be in contact with a lower side of the first sole portion 1111 and at least part of the portion on the heel side of the second sole portion 1112 is located so as to be in contact with the upper side of the first sole portion 1111 .
  • the internal surface portion surrounding the hole formed in the first sole portion 1111 and the external surface portion on the nail tip side of the second sole portion 1112 are connected to each other in an engaged manner.
  • the shoe 1 By configuring the shoe 1 as above, when a user puts his/her foot on the sole assembly 111 , on the nail tip side of the foot, the first sole portion 1111 presses the second sole portion 1112 from an upper side to a lower side and, on the heel side of the foot, the second sole portion 1112 presses the first sole portion 1111 from an upper side to a lower side, thus realizing, as a whole, the looseness-free and tightly unified sole assembly 111 .
  • first inner sole 11111 and the second outer sole 11122 on both left and right sides of portions (arch of the foot) near to a center of each of the directions (hereinafter, back and forth directions) from the nail tip side to the heel side, holes passing through the soles which are used to allow pins to run through the soles in order to connect the first sole portion 1111 and second sole portion 1112 to each other in up and down directions.
  • Each of the pins 1113 has a bowl and an axis and two pins 1113 are used for one sole assembly 111 .
  • the existence of the pins 1113 prevents positional deviation caused by movement of the first sole portion 1111 and second sole portion 1112 mainly in back and forth directions while the shoe 1 is being used. Since the pins 1113 are located in the portion of the arch of the foot, the pins 1113 are not pushed by pressure directly from a foot of a user in a downward direction. As a result, there are decreased risks that the pins 1113 are deformed and broken caused by the use of the shoe 1 .
  • a stopper may be provided to support a portion near to a tip end of the pin 1113 in a state in which each of the pins 1113 has passed through the first sole portion 1111 and second sole portion 1112 .
  • convex and concave portions are formed, for example, in a horizontal direction, which prevents positional deviation of the first sole portion 1111 and second sole portion 1112 in right and left directions and in up and down directions.
  • the holder portion 112 is made of a thermoplastic polyurethane resin (hereinafter simply “PTU”).
  • PTU thermoplastic polyurethane resin
  • the portion being connected, in an engaged manner, to the sole assembly 111 of the holder portion 112 is harder than the portion being connected, in an engaged manner, to the holder portion 112 of the sole assembly 111 .
  • the above configuration provides a merit that the holder portion 112 and sole assembly 111 are hard to be disconnected from each other.
  • a plurality of holes which passes through the holder portion 112 in up and down directions. The existence of the holes causes the first outer sole 1112 and part of the second outer sole 1112 to come into direct contact with the ground.
  • FIG. 2 is a diagram explaining one example of assembling methods of the shoe 1 of the present embodiment.
  • first sole portion 1111 and second sole portion 1112 are prepared. To each of the first sole portion 1111 and second sole portion 1112 is attached an instep leather portion 12 .
  • the portion (that is, portion on the nail tip side) surrounding the hole in the first inner sole 11111 is allowed to be connected to the second inner sole 11121 and the first inner sole 11111 and second inner sole 11121 are put on the second outer sole 11122 . Then, the portion (that is, portion on the heel side) having the disc shape of the second inner sole 11121 is allowed to be put on the portion having the disc shape of the first inner sole portion 11111 .
  • the right and left two pins 1113 are allowed to pass, from the upper side, through the holes formed in the first inner sole 11111 and second outer sole 11122 .
  • the portion near the end of each of the two pins 1113 is supported by the above stopper. This causes the assembling of the sole assembly 111 with the instep leather portion 12 to be completed.
  • the sole assembly 111 in the above state is held by the holder portion 112 in a manner to be covered from the lower side.
  • the holder portion 112 is harder than the sole assembly 111 and, therefore, the sole assembly 111 and holder portion 112 , when being connected to each other, are hard to be disconnected from each other. This makes the assembling of the sole holder assembly 11 with the instep leather portion 12 be completed, that is, the assembling of the shoe 1 is completed.
  • first outer sole 11112 and of the second outer sole 11122 are protruded from the hole formed in the holder portion 112 and the protruded portions constitute the outer soles of the shoe 1 , thereby allowing the shoe 1 to have high gripping performance.
  • first outer sole 11112 and second outer sole 11122 are made of rubber, thus enabling the prevention of excessive friction in the outer soles 11112 and 11122 .
  • connection between the first sole portion 1111 and second sole portion 1112 in an engaged manner can be very easily achieved and detachment between the pin 1113 and the stopper described above is also easy and, as a result, the assembling of the shoe 1 can be realized very easily.
  • FIGS. 3 and 4 are cross-sectional views taken along plane perpendicular to back and forth directions of the shoe 1 .
  • the shoe shown in each of FIGS. 3 and 4 has a configuration being a bit different from the shoe 1 in FIGS. 1 and 2 , however, the difference is negligible in terms of explanation and the description of the difference is omitted accordingly.
  • the instep leather portion 12 is higher than that shown in the cross-sectional view B-B′, however, the connection state in an engaged manner between the first inner sole 11111 and the second inner sole 11121 in the cross-sectional view C-C′ is approximately the same as in the cross-sectional view B-B′.
  • the central contracted portion is shown as the second inner sole 11121 and, in its right and left portions, the pins are shown as the pins 1113 and the above-described stopper is seen therein.
  • the shoe 1 is provided with the instep leather portion 12 , however, sandals having no instep leather portion 12 may be also employed in the present invention.
  • two pins 1113 are used in the sole holder assembly 11 , however, the number of the pins is not limited and three pins or one pin can be employed as well and, if there is no special problem, the use of the pins 1113 is not required. The same may be applied to the stopper. This is because the important point is whether or not the shoe 1 can be assembled easily.
  • the first sole portion 1111 has the first inner sole 11111 and first outer sole 11112 , however, the inner and outer sole portions may be integrally formed.
  • the first sole portion 1112 has the first inner sole 11121 and first outer sole 11122 , however, the inner and outer sole portions may be integrally formed.
  • the first inner sole 11111 is made of EVA and first outer sole 11112 is made of rubber, however, if no special problem arises, any material may be employed for the first inner sole 11111 and first outer sole 11112 . Therefore, both the first inner sole 11111 and the second outer sole 11112 may be made of EVA.
  • the present invention is not limited to this.
  • the first sole portion 1111 and second sole portion 1112 may have any shape.
  • each of the first inner sole 1111 , first outer sole 11112 , second inner sole 11121 , and second outer sole 11122 is not limited to those described above.
  • the upper side portion of the first outer sole 11112 is bonded to the lower side portion on the heel side of the first inner sole 11111 , however, the both portions may be bonded by any other method.
  • the portion contacting the ground, while the shoe 1 is being used, on the lower side of the first outer sole 11112 has convex and concave portions, however, the present invention is not limited to this. Consequently, it is not necessary that the portion contacting the ground has convex and concave portions.
  • the second inner sole 11121 is made of EVA and second outer sole 11122 is made of rubber, however, if no special problem occurs, any material may be employed for the second inner sole 11121 and second outer sole 11122 . Therefore, both the first inner sole 11111 and second outer sole 11112 may be made of EVA and may be integrally constructed.
  • the portion near to the center of the upper side portion of the second outer sole 11122 is bonded to the lower side portion of the second inner sole 11121 , however, the both portions may be connected by any other method.
  • the portion contacting the ground, while the shoe 1 is being used, on the lower side of the second outer sole 11122 has convex and concave portions, however, the present invention is not limited to this. Consequently, it is not necessary that the portion contacting the ground has convex and concave portions.
  • each of the pins 1113 has the bowl and axis, however, if no special problem occurs, the pins 1113 may have any shape.
  • the stopper described above also may have any shape unless any problem arises.
  • the holder portion 112 is made of TPU, however, unless any problem occurs, the holder portion 112 may be formed of any other material.
  • the portion connecting, in an engaged manner, to the sole assembly 111 of the holder portion 112 is harder than the portion connecting, in an engaged manner, to the holder portion 112 of the sole assembly 111 , however, the present invention is not limited to this. Therefore, the sole assembly 111 may be harder than the holder portion 112 .
  • a plurality of holes is formed on the bottom surface of the holder portion 112 , however, the present invention is not limited to this. Therefore, a single hole may be formed on the bottom surface and the bottom surface may have no holes.
  • the shoe 1 is one example of the footwear and does not limit the scope of the present invention. Therefore, the footwear such as sandals falls within the scope of technical thoughts of the present invention.
  • the shoe 1 having various shapes such as boots may be configured by forming the upper portion on the nail tip side of the first sole portion 1111 integrally with the semi-cylindrical instep leather portion 12 having height in the upper region on the heel side of the second sole portion 1112 or by making the instep leather portion 12 having the same shape as above from the material such as leather or the like and sewing the instep leather to the first sole portion 1111 and second sole portion 1112 .
  • FIG. 5 is a diagram schematically showing an appearance of the shoe 1 having such a connecting mechanism.
  • part of the instep leather portion formed in the upper portion on the nail tip side of the first sole portion 1111 is shown as a forward part 121 and part of the instep leather portion formed in the upper portion on the heel side of the second sole portion 1112 is shown as a backward part 122 .
  • the sole assembly 111 is covered by the holder portion 112 and, therefore, cannot be seen.
  • the forward part 121 and the backward part 122 are connected to each other by the connecting mechanism.
  • the forward part 121 and backward part 122 are also connected to each other by the connecting mechanism.
  • the connecting mechanism 13 by passing the button sewed to the surface on the external side of the backward part 122 through the button hole formed in the forward parts 121 , connects these parts in a manner to be touchable or detachable, however, the method used by the connecting mechanism to connect the forward part 121 and backward part 122 in a manner to be touchable or detachable is not limited to the use of the button and button hole.
  • a line fastener or surface fastener may be employed as the connecting mechanism or the method by running straps through a plurality of strap holes may be used as the connecting mechanism.
  • the method for assembling the shoe 1 described above is simply one example and the present invention is not limited to the above method.
  • FIGS. 6A and 6B are the diagram explaining the difference between the shoe of the embodiment of the present invention and the shoe of the modified example of the present embodiment.
  • the first sole portion 1111 is connected, in an engaged manner, to the second sole portion 1112 in the state in which the first sole portion 1111 has a hole passing through in up and down directions in the portion near to the nail tip and the second sole portion 1112 passes through the hole and at least part of the portion on the nail tip side of the second sole portion 1112 is located so as to be in contact with the lower side of the first sole portion 1111 and at least part of the portion on the heel side of the second sole portion 1112 is located so as to be in contact with the upper side of the first sole portion 1111 .
  • the first sole portion 1111 and second sole portion 1112 are connected to each other in an engaged manner in the state in which the second sole portion 1112 has a hole passing through in up and down directions in the portion near to the nail tip and at least part of the portion on the heel side of the first sole portion 1111 is located so as to be in contact with the lower side of the second sole portion 1112 and at least part of the portion on the nail tip side of the second sole portion 1111 is located so as to be in contact with the upper side of the first sole portion 1112 .
  • the present invention provides many variations in the methods for engaged-manner connection between the first sole portion 1111 and second sole portion 1112 , which enables selection of suitable configurations to correspond to various situations for assembling normal shoes and/or sandals.
  • the shoes of the present invention can be expected to be used in various situations owing to its excellent and looseness-free stability and high fashion level and is therefore attributable to, so-called manufacturing industries.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
US12/980,027 2009-12-30 2010-12-28 Footwear Abandoned US20110154694A1 (en)

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US20120186107A1 (en) * 2011-01-26 2012-07-26 Nathan Crary Injection molded shoe frame and method
US20120227289A1 (en) * 2011-03-08 2012-09-13 Omni Trax Technology, Inc. Interchangeable sole system
CN104768410A (zh) * 2012-11-10 2015-07-08 彪马欧洲公司 鞋,尤其是运动鞋
US20160302519A1 (en) * 2015-04-17 2016-10-20 Adidas Ag Article of Footwear Having a Midsole and Methods of Making the Same
US20190261726A1 (en) * 2018-02-26 2019-08-29 Julien L'Hermet Sandal with Magnetically Connected Upper Straps

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KR101823292B1 (ko) * 2017-04-14 2018-01-29 정훈 조립식 신발

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