Process for producing three-dimensional, mirrored acrylic articles
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United States of America Patent
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-
Jul 13, 1982
Grant Date -
N/A
app pub date -
May 11, 1981
filing date -
May 11, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for producing three-dimensional, mirrored acrylic products using forming techniques eliminates micro-fracturing of a vacuum deposited reflective metal coating by preshrinking a sheet of acrylic before the sheet is mirrorized and formed into the desired three-dimensional shape. Preshrinking is accomplished by heating the sheet to forming temperature and allowing the heated sheet to cool at room temperature before the sheet is formed. Deposition of the metallic reflective coating is performed after the preshrinking step.
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Cited Art Landscape
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