Air knife coater top lip scrubber

Details Air knife coater top lip scrubber Air knife coater top lip scrubber

1972-05-22

1977-02-01

McIntosh, John P.

Coating apparatus

With heat exchange, drying, or non-coating gas or vapor...

To remove or spread applied coating by gas blast

118 50, 118249, B05C 1106

Patent

active

040056767

ABSTRACT:
A method and mechanism for applying a smooth layer of coating to the surface of a traveling web including a backup roll for carrying the web on its outer surface through a coating smoothing zone along the periphery of the roll, a coating applicator ahead of the zone including an applicator roll and a coating backing roll to form a pressure nip, an air knife at the smoothing zone directing a curtain of smoothing air against the oncoming web, a saveall in advance of the zone, for directing and an exhaust system downstream of the zone with a baffle to generate a cleansing flow of air to remove the airborne coating particles from the upper lip of the air knife.

REFERENCES:
patent: 2135406 (1938-11-01), MacDonald
patent: 2679231 (1954-05-01), Pomper et al.
patent: 2733653 (1956-02-01), Mullen
patent: 3229447 (1966-01-01), Kosta
patent: 3336899 (1967-08-01), Mahoney
patent: 3397673 (1968-08-01), Mahoney et al.
patent: 3681119 (1972-08-01), Reid et al.

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