Curved suction box apparatus in a papermaking machine press sect

Details Curved suction box apparatus in a papermaking machine press sect Curved suction box apparatus in a papermaking machine press sect

1992-06-26

1994-07-12

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

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

1623581, 162363, 162374, D21F 152

Patent

active

053285697

ABSTRACT:
A curved suction box apparatus is disclosed for guiding a web towards a nip of a nip press. The apparatus includes an initial shoe which is disposed upstream relative to the nip, the shoe defining a convex surface for guiding the web. A box is disposed downstream relative to the initial shoe for guiding the web from the initial shoe. The box is connected to a partial vacuum.

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