Press fabric for a machine for the production of web...

Details Press fabric for a machine for the production of web... Press fabric for a machine for the production of web...

2011-07-19

2011-07-19

Torres-Velazquez, Norca L (Department: 1786)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Coated or impregnated woven, knit, or nonwoven fabric which...

Two or more non-extruded coatings or impregnations

C442S064000, C442S071000, C442S074000, C162S306000

Reexamination Certificate

active

07981820

ABSTRACT:
A press fabric for a machine for the production of web material, especially paper or cardboard, includes a carrying structure and at least one layer of fibrous material on one web material contact side of the carrying structure, whereby at least some of the fibers of the at least one layer of fibrous material are coated at least partially with a film of a first polymeric material and whereby a permeable composite structure is formed by a second polymeric material in the at least one fibrous layer, in that the hollow spaces which are formed between fibers of the at least one fibrous layer are filled partially with the second polymeric material.

REFERENCES:
patent: 4439481 (1984-03-01), Johnson et al.
patent: 4781967 (1988-11-01), Legge et al.
patent: 5232768 (1993-08-01), Eklund et al.
patent: 6712940 (2004-03-01), Crook
patent: 2005/0124248 (2005-06-01), Hyvonen
patent: 2005/0181694 (2005-08-01), Crook et al.
patent: 2006/0016545 (2006-01-01), Hansen
patent: 2006/0130992 (2006-06-01), Ouchi et al.
patent: 2007/0003760 (2007-01-01), Crook et al.
patent: 2010/0155008 (2010-06-01), Ragvald et al.

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