US 11,998,083 B2
Method of forming and shaping waterproof and moisture permeable shoe upper and shoe upper thereof
Chin-Hsun Hsiao, Taipei (TW)
Assigned to SHENG LONG MATERIAL TECH. LTD. (WS), Apia (WS)
Filed by Sheng Long Material Tech. Ltd. (WS), Apia (WS)
Filed on Feb. 11, 2022, as Appl. No. 17/650,757.
Application 17/650,757 is a division of application No. 16/553,581, filed on Aug. 28, 2019, granted, now 11,284,672.
Claims priority of application No. 107130727 (TW), filed on Aug. 31, 2018.
Prior Publication US 2022/0160079 A1, May 26, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A43B 23/02 (2006.01); A43D 11/00 (2006.01)
CPC A43B 23/022 (2013.01) [A43D 11/003 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A waterproof and moisture permeable shoe upper, comprising:
a shoe upper enclosing a cavity for a foot inserting therein, the shoe upper being a dual-layered knitted structure comprising an inner layer and an outer layer;
a waterproof and moisture permeable film bonded to the shoe upper and disposed between the inner layer and the outer layer; and
an insole disposed between the inner layer and the outer layer, wherein the insole is formed by heating and foaming a plurality of second semi-foamed granules comprising microwave treatable material such that, at least one of the inner layer and the outer layer directly adheres the insole during the heating and foaming the plurality of second semi-foamed granules,
wherein at least one of the shoe upper and the waterproof and moisture permeable film comprises microwave treatable material, and the shoe upper and the waterproof and moisture permeable film are combined by the microwave treatable material.