Papermaking press felt

Details Papermaking press felt Papermaking press felt

2006-11-14

2006-11-14

Hug, Eric (Department: 1731)

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

C162S900000, C162S904000, C428S058000, C442S186000, C442S270000

Reexamination Certificate

active

07135094

ABSTRACT:
An endless papermaking press felt comprises a base and a batt layer intertwiningly integrated with the base. The batt layer comprises a wet paper web side layer and a machine side layer formed on an outer surface and inner surface of a base respectively, The base is manufactured from belt-shaped partial base bodies, which are connected to one another in side-by-side relationship. The press felt can be manufactured easily and at reduced cost.

REFERENCES:
patent: 3323226 (1967-06-01), Christie et al.
patent: 4369081 (1983-01-01), Curry et al.
patent: 4842925 (1989-06-01), Dufour et al.
patent: 5202170 (1993-04-01), Hsu et al.
patent: 6124015 (2000-09-01), Baker et al.
patent: 6240608 (2001-06-01), Paquin et al.

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