Spiral wound papermaking-machine felt

Details Spiral wound papermaking-machine felt Spiral wound papermaking-machine felt

1992-09-29

1993-12-07

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

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

139383A, 28110, 28142, 162900, 428234, 428300, D21F 708

Patent

active

052680762

ABSTRACT:
A felt, especially for the press part of a papermaking machine, includes at least one support belt and at least one fiber belt deposited on and affixed to it. In order to impart to such a felt improved operational properties while retaining adequate transverse stability and in order to manufacture it at substantially lower cost, the support belt(s) 45, 50, 57, 58, 64, 71, 72 each are composed of at least one support-belt strip 46, 51, 52, 59, 60, 65, 66, 73, 74, 75 with a width less than that of the support belt(s) 45, 50, 57, 58, 64, 71, 72 , said strip(s) being continuously wound essentially in the direction of advance of the felt 42, 47, 53, 61, 67 and also spirally transverse to it. Basically manufacture is carried out by means of the following method steps:

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