Patent · US Active

Layered nonwoven fabric, and method for producing layered nonwoven fabric

US9566761B2 · kind B2 · utility

7Cited by

0References

8Claims

0Family size

Assignee

Unicharm Corporation · JP

Inventors

Satoshi Mitsuno · Samukawa, JP
Jun Okuda · Samukawa, JP
Noritomo Kameda · Samukawa, JP

Key dates

Filing date	Sep 26, 2012
Grant date	Feb 14, 2017
Priority date	—
Expiry date	Jan 5, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24612
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A layered nonwoven fabric with excellent feel on the skin and liquid permeability, and a method for producing the layered nonwoven fabric. The layered nonwoven fabric includes an upper layer consisting of a first nonwoven fabric and a lower layer consisting of a second nonwoven fabric. The layered nonwoven fabric has a first surface on the first nonwoven fabric side with a plurality of protrusions and recesses and a second surface on the second nonwoven fabric side. The protrusions on the first surface have a higher basis weight than the recesses on the first surface, and the protrusions on the first surface have a lower fiber density than the recesses on the first surface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.