Coating processes – Solid particles or fibers applied – Interior or hollow article coating
Patent
1996-04-09
2000-08-29
Pianalto, Bernard
Coating processes
Solid particles or fibers applied
Interior or hollow article coating
427232, 427233, 427234, 427235, 427236, 427239, 427345, 427421, B05D 722
Patent
active
061105260
ABSTRACT:
A coating apparatus with a spray head is provided for coating can bodies internally. The spray head is supplied with coating material through a feed line which passes through the seam welding machine for the container bodies. The combined spray and extraction head is also connected to a suction line which extracts excess coating material which has not been deposited on the internal walls of the container bodies, and returns it through the welding machine. In this way, the escape of coating material between the individual can bodies can largely be avoided, thus reducing contamination of equipment.
REFERENCES:
patent: 4869201 (1989-09-01), Takahashi et al.
Huber Guido
Nussbaumer Hans-Jorg
Walser Felix
Elpatronic AG
Pianalto Bernard
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