Apparatus and method for vacuum-metallizing articles with significant deposition onto three-dimensional surfaces
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United States of America Patent
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Sep 24, 1996
Grant Date -
N/A
app pub date -
Jan 17, 1996
filing date -
Jan 17, 1996
priority date (Note) -
Expired
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Abstract
A metallizing apparatus for vacuum-metallizing both recessed and non-recessed surfaces of relatively massive articles such as automotive wheels includes a vacuum chamber and a linear array of electron beam-type metal particle emitters. The emitter array is positioned in the chamber to thermally evaporate metal onto each article. A rack is supported within the chamber and rotates about a horizontal rack axis between two vertical end braces. Two or more identical articles are supported to rotate on the rack about respective second and third axes as the rack rotates about the horizontal rack axis. The articles both rotate around the rack axis and each simultaneously rotate around their respective second and third rotational axes while being held in the path of metal particles emanating from the emitters. The articles are mounted on the rack so that their respective second and third rotational axes are positioned at an angle to the rack axis. Adjustable pivot mechanisms allow an operator to vary these angles.
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