Papermaking felt

Details Papermaking felt Papermaking felt

2007-03-20

2007-03-20

Piziali, Andrew T. (Department: 1771)

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

Woven fabric

Woven fabric including an additional woven fabric layer

C442S239000, C442S243000, C442S246000, C442S247000, C442S268000, C442S270000, C442S271000, C442S324000, C442S326000, C442S381000, C442S383000

Reexamination Certificate

active

10835047

ABSTRACT:
This invention relates to a papermaking felt which makes it possible to increase the proportion of the base body thereby preventing flattening without costing extra production man-hour, and to maintain the functions such as the water drainage, wet paper smoothening capability, and wet paper web transport capability throughout its entire use period. The papermaking felt is composed of a base body and a batt fiber layer, characterized in that one or more thicknesses of endless base bodies are disposed on the felt back-face side and one or more thicknesses of open-ended base bodies is annularly wound not less than one turn on the felt front-face side.

REFERENCES:
patent: 4119753 (1978-10-01), Smart
patent: 4425392 (1984-01-01), Oikawa et al.
patent: 4863786 (1989-09-01), Green et al.
patent: 4940630 (1990-07-01), Penven
patent: 5110672 (1992-05-01), Zehle et al.
patent: 5840635 (1998-11-01), Bertotto
patent: 0287229 (1988-03-01), None
patent: 902503 (1962-08-01), None
patent: 57-128290 (1982-08-01), None
patent: 57-176295 (1982-10-01), None
patent: 06-280183 (1994-10-01), None
patent: WO 02/053833 (2002-07-01), None

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