Coating processes – Centrifugal force utilized
Patent
1989-05-26
1991-08-13
Bell, Janyce
Coating processes
Centrifugal force utilized
427326, 427384, 4273741.374.5, 427395, 4273982, 4273983, B05D 312, B05D 302
Patent
active
050395602
ABSTRACT:
A method is described for continuously producing a smooth, high gloss coating on a paper container comprising the steps of applying a substantially uniform coating of melted wax material to the outside surface of the container or sheet stock, maintaining the temperature of the wax coating above its melting point and above its congealing temperature, imparting a constant surface velocity to the outside surface of the container or sheet stock and applying a substantially uniform film of liquid coolant, particularly water, to the outside surface of the container or sheet stock whereby the surface velocity of the coolant is substantially equal to the surface velocity of the container or sheet stock.
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Border Delvin K.
Durgin Ronald A.
Hammett Daniel E.
Kemmet Carlton L.
Matheson Derek S.
Bell Janyce
Sweetheart Cup Company
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