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B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
B44C1/22—Removing surface-material, e.g. by engraving, by etching
B44C1/227—Removing surface-material, e.g. by engraving, by etching by etching
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Laminated Bodies
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Abstract
Decorative surfaced object obtained by applying copper foil ornaments to a resistant layer of plastics, which can be translucent and should be a different colour to the copper ornaments. The surface should be coated with acid-resistant lacquer or varnish and the unprotected areas of the copper overlay etched off, followed by an anti-oxidation paint. The acid-proof varnish is applied via a die to the copper ornament areas and the die is permeable over these areas to allow the varnish through.
FR1605039D1968-12-111968-12-11Decorative plate with copper lettering on - plastics ground
ExpiredFR1605039A
(en)