US 7,871,692 B2 · Multi-ply tissue paper, paper converting device and method for producing a multi-ply tissue paper

Abstract

A multi-ply web of tissue paper having at least two plies comprising a first web (2a) consisting of at least one ply and being provided with a first embossing pattern forming cushions (24) limited by regions (22) of compressed material and a second web (3a) having at least one ply and being provided with a second pattern with protrusions (32) of compressed material. The first web and the second web are combined together such that the protrusions of compressed material (32) of the second web (3a) are positioned inside the cushions (24) limited by the regions (22) of compressed material (22). Further, the invention relates to a paper converting device and a method for producing such product.

Claims18

Dependent claims

A multi-ply web of tissue paper having at least two plies comprising:

A first web (2a) having at least one ply and being provided with a first embossing pattern forming cushions (24) defined by regions (22);
and
a second web (3a) having at least one ply and being provided with a second pattern with protrusions (32) of compressed material;
wherein
the first web and the second web are combined together such that the protrusions of the compressed material (32) of the second web (3a) are positioned inside the cushions (24) defined by the regions of compressed material (22),
wherein an angle of an internal corner of the protrusions is larger than an angle of an internal corner of the cushions.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

11/917,460Filed 21 Jun 2005

Published

US 2009/0311481 A117 Dec 2009

Granted

18 Jan 2011

Term ends

Not estimatedThe source records don’t support an estimate.

Classification22 codes

B31F 1/07
Mechanical deformation without removing material, e.g. in combination with laminating: embossing , i.e. producing impressions formed by locally…
B32B 3/28
Characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or…
B32B 7/14
Using interposed adhesives or interposed materials with bonding properties: applied in spaced arrangements, e.g. in stripes
B32B 29/005
As the main or only constituent of a layer, which is next to another layer of the same or of a different material: next to another layer of paper…

Multi-ply tissue paper, paper converting device and method for producing a multi-ply tissue paper

Life of this patent

Multi-ply tissue paper, paper converting device and method for producing a multi-ply tissue paper

Life of this patent

Abstract

Claims18