Powder coating apparatus for two-piece cans

Details Powder coating apparatus for two-piece cans Powder coating apparatus for two-piece cans

1977-09-09

1981-09-29

Beck, Shrive P.

Coating apparatus

With vacuum or fluid pressure chamber

With means to apply electrical and/or radiant energy to work...

118 50, 118308, 118312, 118318, 118326, 118620, 427 28, 427105, 427106, 427181, 427183, 427233, C23C 1308, B05B 700, B05B 128

Patent

active

042916402

ABSTRACT:
An apparatus for the internal coating of a two-piece can body with a powder. Two-piece can bodies include a body and an end. A stream of powder is directed towards the corner between the end and the body in a circular path by rotating either the can body or the powder dispenser so as to coat the end of the can body. A recovery tube is provided to draw the powder rearwardly out of the can body away from the end in a generally cylindrical path adjacent the interior wall of the body so as to coat the body with the powder. The powder is electrostatically charged so as to adhere to the can body until such time as the powder may be suitably cured.

REFERENCES:
patent: 1816903 (1931-08-01), Hageman et al.
patent: 2094242 (1937-09-01), Parker
patent: 3323489 (1967-06-01), Gustin
patent: 3735727 (1973-05-01), Sussmann
patent: 3874595 (1975-04-01), Rindisbacher
patent: 4025660 (1977-05-01), Crose et al.
patent: 4025664 (1977-05-01), Gerek et al.

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