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US 2008/0257513 A1Published application
Apparatus and method for treating a fibrous web, in particular for producing a tissue paper web
OwnerThomas Scherb, Luiz Carlos Silva +1inventors
InventorsThomas Scherb, Luiz Carlos Silva, Rogerio Berardi
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Abstract
The present invention provides an apparatus the surface of the web supporting face and/or the material forming the web supporting face are selected with a view to little crêping belt wear caused by operation of the apparatus, in particular with a view to a small coefficient of friction.
Claims37
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 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 to inhibit wear of said crêping belt caused by operation of said apparatus.
2 more elements
Dependencies are inferred from the claim text.