Patent · US Expired

Method of producing ply adhesion between layers of tissue paper

US6454693B1 · kind B1 · utility

7Cited by

4References

23Claims

0Family size

Assignee

SCA HYGIENE PRODUCTS AB · SE

Inventors

Harald Harlacher · Mannheim, DE
Thomas Heilemann · Bischofswerda, DE
Bernd Lofink · Dirmstein, DE
Werner Schmidt · Rengsdorf, DE

Key dates

Filing date	Jun 16, 2000
Grant date	Sep 24, 2002
Priority date	—
Expiry date	Sep 18, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24463
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The invention relates to a method and a device for achieving adhesion between layers of tissue paper, according to which a surface structure corresponding to that of sandpaper is pressed into the product along the side of at least one roller when the individual layers are joined in a roll nip. This results in good adhesion between layers with only minor optical impairment of the product surface and without the use of glue or such like.

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