Patent · US Active

Apparatus and method for ply bonding as well as multi-ply product

US8999095B2 · kind B2 · utility

5Cited by

7References

26Claims

0Family size

Assignee

SCA Hygiene Prodcuts GmbH · DE

Inventors

Jurgen Sauter · Mannheim, DE
Harald Harlacher · Mannheim, DE
Joachim Leonhardt · Mannheim, DE
Thomas Heilemann · Bischofswerda, DE

Key dates

Filing date	Aug 7, 2008
Grant date	Apr 7, 2015
Priority date	—
Expiry date	Sep 1, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24826
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Apparatus for bonding at least two plies of fibrous web, includes: a first roller having an outer periphery, a plurality of embossing protuberances being provided on the outer periphery, such first roller being an embossing roller; and a second roller having an outer periphery and being elastic at least in a radial direction and together with the first roller forming a nip through which the at least two plies are be fed, such second roller being a counter roller or a marrying roller, wherein at least a part of the outer periphery of at least one of the first and the second roller is irregularly rough so that the at least two plies are bonded at discrete locations corresponding to at least some of the embossing protuberances. A multi-ply product including the bonded plies and a corresponding method are also described.

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