Forming paper using a curved fin to facilitate web transfer

Details Forming paper using a curved fin to facilitate web transfer Forming paper using a curved fin to facilitate web transfer

1978-11-27

1981-01-06

Fisher, Richard V.

Paper making and fiber liberation

Processes and products

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

162307, D21F 136, D21F 138, D21F 200

Patent

active

042434823

ABSTRACT:
A fin apparatus is transversely disposed beneath a wire to create a wave of positive pressure thereunder to urge a formed web off of the wire. The fin surface, in transverse cross-section, is a smooth convex curve that diminishes in radius toward the downstream end of the fin.

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