Method and apparatus for uniformly applying a coating to a can b

Details Method and apparatus for uniformly applying a coating to a can b Method and apparatus for uniformly applying a coating to a can b

1997-01-24

1999-01-26

Bareford, Katherine A.

Coating processes

Solid particles or fibers applied

Interior or hollow article coating

427475, 427476, 427477, 427294, 427295, 427421, 118621, 118622, 118308, 118317, B05D 722, B05D 112, B05C 500

Patent

active

058636005

ABSTRACT:
For the application of a coating material to an object, the coating material is conveyed along a conduit by means of an entraining gas. For good conveying conditions, the entraining gas is made to travel at high velocity. In order that the velocity of the coating material discharged at the coating zone is not excessive, a partial vacuum source extracts part of the entraining gas from a point upstream of the outlet, via a separate conduit. This results both in an improved rate of deposition of the coating material on the object to be coated and in a particularly uniform coating.

REFERENCES:
patent: 3901184 (1975-08-01), Payne et al.
patent: 4114810 (1978-09-01), Masuda
patent: 4259923 (1981-04-01), Breen
patent: 4411935 (1983-10-01), Anderson
patent: 4500038 (1985-02-01), De Ferrari et al.
patent: 4886013 (1989-12-01), Turner et al.
patent: 5612096 (1997-03-01), Mulder et al.

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