Ceramic foam member for extracting water from a paper web in a p

Details Ceramic foam member for extracting water from a paper web in a p Ceramic foam member for extracting water from a paper web in a p

1989-08-21

1991-01-15

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

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

162374, 2105101, D21F 154

Patent

active

049851217

ABSTRACT:
A component to be used in a papermaking machine for extracting moistu re from a paper web. The component includes a supporting structure and a water permeable member is mounted on the supporting structure and is adapted to support a paper web. The water permeable member comprises a rigid mass of ceramic foam having a plurality of interconnected cells. The ceramic foam has an air permeability in the range of 10 to 1,000 cubic feet per square foot of surface area per minute and has a density of 5 to 100 lbs/cubic foot. When a pressure differential is applied to the permeable member to the paper web, moisture will be extracted from the web and passes through the permeable member.

REFERENCES:
patent: 4024212 (1977-05-01), Dove et al.
patent: 4760038 (1988-07-01), Kinney, Jr. et al.
patent: 4808558 (1989-02-01), Park et al.
patent: 4871495 (1989-10-01), Helferich et al.
"Ceramic Foam Offers Surprising Properties", Brockmeyer et al ME, Jul. 1988, pp. 39-41.

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