Patent · US Active

Absorbent article

US10470946B2 · kind B2 · utility

1Cited by

9References

11Claims

0Family size

Assignee

Unicharm Corporation · JP

Inventors

Takuya Miyama · Samukawa, JP
Satoru Sakaguchi · Samukawa, JP
Masashi Uda · Kanonji, JP

Key dates

Filing date	May 25, 2016
Grant date	Nov 12, 2019
Priority date	—
Expiry date	May 25, 2036

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2013/5127
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A top sheet of a disposable diaper includes projections and depressions. The projection and the depression extend in the front-back direction, and are arranged alternately in the width direction. The top sheet includes a first region disposed at least in the rear waistline region and a second region disposed at least in a crotch region. A height of the first projection is higher than a height of the second projection. A first depression is provided with a widthwise projection configured to divide a space in a first depression extending in a front-back direction. A pitch of the first projection in the width direction is larger than a pitch of the second projection in the width direction.

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