Patents

Composite Stretchable Member and Wearable Article Using Same

U.S. Patent No. 12,642,710

Author Image

By: Tara Olivo

Associate Editor at Nonwovens Industry


Filed: 5/15/20
Issued: 6/2/26

A composite stretchable member that is stretchable in a longitudinal direction and includes a part to be used as a waistline portion of each of a plurality of wearing articles, the composite stretchable member comprising: two sheets facing each other; and a plurality of elastic members extending along the longitudinal direction and being stretchable in the longitudinal direction between the sheets, the sheets being bonded to each other at a plurality of first bonding sections, each of the first bonding sections continuously extending along a width direction intersecting the longitudinal direction to intersect the plurality of elastic members, each of the elastic members being bonded to each of the sheets at an intersection with the corresponding one of the first bonding sections, and each of the first bonding sections having a wavy line shape extending in the width direction with convex portions and concave portions that alternately appear continuously, and being disposed in a state where the convex portions and the concave portions are overlapped each other when viewed from the longitudinal direction in at least a part of two adjacent first bonding sections, wherein the part includes: a pair of joining regions provided at the opposite ends of the part, and extending linearly in the width direction, and a second bonding section formed between one of the pair of joining regions and the first bonding section closest to the one joining region and another second bonding section formed between the other joining region and the first bonding section closest to the other joining region, the second bonding sections linearly extending an entire length of the width direction. 

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