Web patterning apparatus comprising a felt layer and a photosens

Details Web patterning apparatus comprising a felt layer and a photosens Web patterning apparatus comprising a felt layer and a photosens

1995-06-05

1998-11-17

Lamb, Brenda A.

Paper making and fiber liberation

Apparatus

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

162900, D21F 300

Patent

active

058371036

ABSTRACT:
The invention comprises an apparatus for use in making a web of papermaking fibers. The apparatus comprising: a dewatering felt layer having a first web facing felt surface at a first elevation and a second oppositely facing felt surface, and a web patterning layer comprising a photosensitive resin. The patterning layer penetrates the first felt surface, and extends from the first felt surface to form a web contacting top surface at a second elevation different from the first elevation. The invention also comprises an method of forming a web support apparatus having a felt layer and a web patterning layer.

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