US 2008/0257514 A1 · APPARATUS AND METHOD FOR TREATING A FIBROUS WEB, IN PARTICULAR FOR PRODUCING A TISSUE PAPER WEB

Abstract

Apparatus for treating a fibrous web, in particular for producing a tissue paper web, with at least one crêping nip which is limited on the one side by a crêping belt and on the other side by a web supporting face formed in particular by a mating roll and through which the fibrous web can be passed, whereby a relative speed is provided between the crêping belt and the web supporting face, whereby in order to achieve a good crêping effect with simultaneous little crêping belt wear the material and/or the structure of the web supporting face and the surface of the crêping belt are coordinated with each other with a view to reducing the crêping belt wear caused by operation of the apparatus.

Claims27

Dependent claims

Apparatus for treating a fibrous web, comprising:

a crêping belt;
a mating roll including a web supporting face with a surface, said web supporting face movable at a relative speed with respect to said crêping belt;
and
at least one crêping nip through which the fibrous web can pass, said at least one crêping nip limited on one side by said crêping belt and limited on an other side by said web supporting face;
wherein at least one of said surface of said web supporting face and a material from which said web supporting face is formed are selected with a view to inhibit wear of said crêping belt caused by operation of said apparatus.

2 more elements

Dependencies are inferred from the claim text.

Apparatus and method for treating a fibrous web, in particular for producing a tissue paper web

Life of this patent

Apparatus and method for treating a fibrous web, in particular for producing a tissue paper web

Life of this patent

Abstract

Claims27