Process and apparatus for contacting a powder with a fibrous...

Details Process and apparatus for contacting a powder with a fibrous... Process and apparatus for contacting a powder with a fibrous...

D - Textiles, Paper

04

H

117/43, 32/63

D04H 1/60 (2006.01) B05D 7/00 (2006.01)

Patent

CA 1159317

PROCESS AND APPARATUS FOR CONTACTING A POWDER WITH A FIBROUS WEB Abstract of the Disclosure A process for contacting a moving fibrous web with a powder. The process comprises the steps of: I. passing a mixture of powder and air through the moving fibrous web; II. reversing the direction of movement of the fibrous web; and then III. passing a mixture of powder and air through the moving fibrous web in a direction opposite to that of Step I. An apparatus comprising an air-tight enclosure; means for maintaining subatmospheric pressure within the enclosure; means for passing a fibrous web through the enclosure; and means within the enclosure for passing a mixture of powder and air through the moving fibrous web.

358724

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