US 12,108,832 B2
Shoe, and method for producing shoe
Ayu Bessho, Kobe (JP); Satoru Abe, Kobe (JP); and Norihiko Taniguchi, Kobe (JP)
Assigned to ASICS CORPORATION, Kobe (JP)
Appl. No. 16/959,123
Filed by ASICS CORPORATION, Kobe (JP)
PCT Filed Sep. 30, 2019, PCT No. PCT/JP2019/038481
§ 371(c)(1), (2) Date Jun. 29, 2020,
PCT Pub. No. WO2021/064782, PCT Pub. Date Apr. 8, 2021.
Prior Publication US 2022/0000219 A1, Jan. 6, 2022
Int. Cl. A43B 23/04 (2006.01); A43B 1/14 (2006.01); A43B 23/02 (2006.01); A43D 3/14 (2006.01)
CPC A43B 23/042 (2013.01) [A43B 1/14 (2013.01); A43B 23/0235 (2013.01); A43B 23/025 (2013.01); A43D 3/1408 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A shoe comprising:
an upper that comprises a first layer made of a first knitted fabric and a second layer made of a second knitted fabric arranged inside the first layer,
wherein at least one of
the first layer comprises first yarns and second yarns which form the first knitted fabric, and
the second layer comprises the first yarns and the second yarns which form the second knitted fabric,
wherein
the first yarns and the second yarns have a heat shrinkability,
the second yarns have a higher fusion point than that of the first yarns,
the at least one of the first layer and the second layer comprising the first yarns and the second yarns has a higher heat shrinkage rate in a width direction than in a longitudinal direction, and
the first yarns have a heat shrinkability greater than the second yarns.