The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 12, 2019
Filed:
Apr. 09, 2018
Chung-hao Chang, Taichung, TW;
Chia-ying Chang, Taichung, TW;
Chung-Hao Chang, Taichung, TW;
Chia-Ying Chang, Taichung, TW;
Other;
Abstract
A method of making a moisture-permeable waterproof shoe includes: cutting a substrate to form a cut piece having a main body and two wing portions; ultrasonically welding rear mating edges of the main body, wing lateral edges of the wing portions, front and rear curved edges of each wing portion respectively to a front convex portion and a lateral connecting edge of the main body to form a shoe-like inner sleeve: sleeving the inner sleeve on a shoe last; coating an adhesive on an inner surface of an upper; sleeving the upper on the shoe last and heating the assembly to form a moisture-permeable waterproof foot cover; and fixing a bottom portion of the moisture-permeable waterproof foot cover to a sole.