Patent ID: 10485271

Abstract:
The present invention relates to the field of undergarments, bras, or swimsuit accessories, and is directed to providing a bra cup having sustainable three-dimensional corrugations and a manufacturing method thereof with simple processes. The bra cup is formed by compression molding with a composite layer material and has a protruding outer side face and a concave inner side face. The outer side face has outer corrugations of the cup that are formed by compression molding. The composite layer material comprises at least: an outer fabric layer; an inner fabric layer; and an intermediate foaming layer. The intermediate foaming layer has a first surface bonding to the outer fabric layer and a second surface bonding to the inner fabric layer, the first surface having second protruding or concave corrugations, the second protruding or concave corrugations mating with the first protruding or concave corrugations to form the outer corrugations of the cup.