Automatic dual action apparatus and method for uniformly coating

Details Automatic dual action apparatus and method for uniformly coating Automatic dual action apparatus and method for uniformly coating

1985-09-19

1987-10-06

Beck, Shrive P.

Coating processes

Solid particles or fibers applied

Interior or hollow article coating

118308, 118310, 118318, 427233, 427234, B05D 112, B05D 722

Patent

active

046982418

ABSTRACT:
An automatic dual action apparatus and method for uniformly applying a coating material to the insides of tubular extensions. The apparatus is designed to handle a plurality of pipes of various lengths and inside diameters. The device provides for a unique left to right and, then, right to left application of coating material and a unique interior applicating device that prevents the non-uniform buildup of too much coating material at the beginning of the tubular extensions and not enough at the end of the tubular extensions. The apparatus is capable of being pressurized giving the apparatus the ability to slow the movement of coating material through the tubular extensions as well as to break bubbles of the material that may form on the inside of the tubular extensions being coated and to force the coating material around any pits or weld splatter that may be within the tubular extensions.

REFERENCES:
patent: 3207618 (1965-09-01), DeHart
patent: 3410250 (1968-11-01), Kulie et al.
patent: 3729333 (1973-04-01), Imai et al.
patent: 3982050 (1976-09-01), Kato
patent: 4089998 (1978-05-01), Gibson
patent: 4243699 (1981-01-01), Gibson
patent: 4420508 (1983-12-01), Gibson
patent: 4454173 (1984-06-01), Koga

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