Patent · US Active

Method for forming an absorbent core

US8696961B2 · kind B2 · utility

0Cited by

3References

22Claims

0Family size

Assignee

SCA HYGIENE PRODUCTS AB · SE

Inventors

Gunnar Edvardsson · Malmö, SE
Ted Guidotti · Gothenburg, SE

Key dates

Filing date	Dec 4, 2008
Grant date	Apr 15, 2014
Priority date	—
Expiry date	Dec 4, 2028

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD04H1/732
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A method for forming an absorbent core. The method includes the steps of forming and compressing an absorbent core, followed by passing the absorbent core through a subsequent nip between two rolls. At least one of the rolls has a surface including an elastic material, such that the hard-spot number of the absorbent core is reduced. Also, a device for forming absorbent cores as well as absorbent cores produced using the method.

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