Patent · US Active

Absorbent article having fluid flow control member

US9937085B2 · kind B2 · utility

3Cited by

14References

21Claims

0Family size

Assignee

SCA HYGIENE PRODUCTS AB · SE

Inventors

Per Bergstrom · Gothenburg, SE
Charlotte Persson · Gothenburg, SE
Malin Lundman · Mölnlycke, SE
Frank Müller · Birkenfeld, DE
Stefan Müller · Wetzlar, DE

Key dates

Filing date	Dec 28, 2012
Grant date	Apr 10, 2018
Priority date	—
Expiry date	Dec 28, 2032

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2013/530481
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An absorbent article, the absorbent article being a personal hygiene article, includes a liquid permeable top sheet, a liquid impermeable back sheet, an absorbent core enclosed between the top sheet and the back sheet, and a fluid flow control member arranged between the top sheet and the backsheet. The fluid flow control member is a spacer fabric including a top layer, a bottom layer and an interconnecting layer of pile filaments between the top layer and the bottom layer. The spacer fabric has a ratio of thickness to basis weight at 15 kPa of at least 1.5·10−5 m/gsm, as measured according to the Mecano-method disclosed herein.

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