Powder spray apparatus and method for coating interior surface o

Details Powder spray apparatus and method for coating interior surface o Powder spray apparatus and method for coating interior surface o

1976-04-01

1979-12-25

Envall, Jr., Roy N.

Electricity: electrical systems and devices

Electric charging of objects or materials

Particulate matter

118622, 427 28, 427 33, 427236, B05B 500

Patent

active

041808444

ABSTRACT:
A powder spray machine for internally coating containers such as metal cans comprising infeed means, container positioning means, powder coating apparatus, container outfeed means, and powder control means. A rotary mask plate is provided with openings for reception of the open ends of cans that are carried by a star wheel adjacent the mask plate and are axially aligned with powder spray means adjacent the other side of the mask plate. Means are provided for controlling the overspray of powder to protect areas of the machine and prevent build-up of powder in any area of the machine, and from entering air outside of the machine. A single plate arrangement supports the container positioning means and thus allows access to the container positioning means for powder control means.

REFERENCES:
patent: 3904930 (1975-09-01), Waldron et al.

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