Patent ID: 11925540
Assignee: UNICHARM CORPORATION
Field: Surface technology, coating (Chemistry)
Classification: CPC A  B  D  Y | IPC A  B

Claim 0:
1. The elastic sheet for an absorbent article comprising:
a first fibrous layer comprising a first surface of the elastic sheet;
a second fibrous layer comprising a second surface of the elastic sheet opposite the first surface; and
contractible elastic members extending in a first direction and secured between the first fibrous layer and the second fibrous layer, the first fibrous layer and the second fibrous layer having a plurality of gathers disposed in a second direction intersecting the first direction and also formed between elastic members,
wherein the first fibrous layer comprises a spun-bonded or spun-melt nonwoven fabric including continuous polyethylene fibers and wherein a second fibrous layer comprises a spun-bonded or spun-melt nonwoven fabric including continuous polyethylene and/or polypropylene fibers,
an average flexural rigidity value of the first fibrous layer and second fibrous layer is 0.0035×10−4 to 0.022×10−4 N·m2/m as measured according to a Kawabata Evaluation System (KES) method, and
a thickness of 0.22 to 1.5 mm under a compression load of 49.03 hPa to the gathers as measured according to a KES method.