Apparatus for continuously coating a web with a liquid

Details Apparatus for continuously coating a web with a liquid Apparatus for continuously coating a web with a liquid

1977-07-11

1979-01-30

McIntosh, John

Coating apparatus

With vacuum or fluid pressure chamber

118261, B05C 108

Patent

active

041366352

ABSTRACT:
A chamber having an opening in its wall contains a roller. A portion of the surface of the roller is situated in the opening. A web is continuously moved past the chamber so as to cover the opening. A vacuum is created in the chamber. The external pressure forces the web into contact with the roller. A coating liquid is supplied into the chamber so as to wet the roller. The roller is rotated so that the coating liquid is transferred to the web.

REFERENCES:
patent: 1213728 (1917-01-01), Beach
patent: 2141978 (1938-12-01), Greenhill
patent: 2354033 (1944-07-01), McGladrey et al.
patent: 2470093 (1949-05-01), Crowder et al.
patent: 3461837 (1969-08-01), Dreher
patent: 3474757 (1969-10-01), Dreher
patent: 3827397 (1974-08-01), Hebberling et al.
patent: 3940782 (1976-02-01), Neeb et al.

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