Vacuum metallizing interior of hollow article with masking shiel

Details Vacuum metallizing interior of hollow article with masking shiel Vacuum metallizing interior of hollow article with masking shiel

1977-09-14

1980-02-26

Kimlin, Edward C.

Coating apparatus

Gas or vapor deposition

Having means to expose a portion of a substrate to coating...

118715, 118721, 118724, 118 50, 118 501, 427238, B44D 134, C23F 134

Patent

active

041900197

ABSTRACT:
A vacuum metallizing apparatus and method for coating the inside of hollow articles, e.g. tap control knobs, in which the article is engaged with a seating of a hollow body so that the interior of the article and the hollow body define a chamber in which high vacuum can be induced through the hollow body. A heating assembly is mounted in the hollow body for vaporizing the coating metal. The heating assembly is enclosed by a shield and may be associated with a shutter that is movable to interfere with deposition inside the article for certain coating metals.

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