Method and apparatus for damping a paper web

Details Method and apparatus for damping a paper web Method and apparatus for damping a paper web

1995-10-13

1997-04-08

Lusignan, Michael

Coating processes

With post-treatment of coating or coating material

Swelling agent or solvent applied to treat coating

1014241, 118 50, 118 58, 427350, B05D 304, B05D 310

Patent

active

056185847

ABSTRACT:
Damping fluid is applied to a surface of a paper web and is caused to be transported into the web by a gas pressure gradient. The surface of the paper web bearing the damping fluid is subjected to a higher pressure over a large area. The gas pressure gradient can be changed or controlled to vary the rate of damping solution absorption into the paper web.

REFERENCES:
patent: 4265941 (1981-05-01), Saito
patent: 4841903 (1989-06-01), Bird
patent: 5445671 (1995-08-01), Herget et al.
patent: 5447753 (1995-09-01), Noda et al.

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