C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
32/24
C23C 14/56 (2006.01)
Patent
CA 1110058
A B S T R A C T A vacuum metallising 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 vaporising the coating metal. The heating assembly may be enclosed by a shield and/or be associated with a shutter that is movable to interfere with deposition inside the article for certain coating metals.
286639
Hunt Claude J.l.
Macrae & Co.
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