B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
32/64, 117/51.1
B05D 1/20 (2006.01) B05C 5/00 (2006.01) B05C 5/02 (2006.01)
Patent
CA 1120338
ABSTRACT OF THE DISCLOSURE A method and apparatus for coating articles with a layer of plastic in which drippage of excess coating material onto the freshly coated articles is eliminated. A plurality of liquid plastic applicator nozzles positioned above a coating station supply coating material to an article. When the coating operation is completed, a suck- back cycles is initiated creating a negative pressure inside the nozzles and drawing back into the nozzles any excess material. Where different amounts of coating material may be supplies to different zones on the article, each individual zone of applicator nozzles is independently controlled, both in the flow and suck-back cycles of operation.
337721
Auld (d.l.) Company (the)
Gowling Lafleur Henderson Llp
LandOfFree
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