Method of making a sight model, said model, its use as a...

Details Method of making a sight model, said model, its use as a... Method of making a sight model, said model, its use as a...

B - Operations, Transporting

29

C

96/254, 35/66

B29C 35/08 (2006.01) B29C 37/00 (2006.01) B44C 3/04 (2006.01) G03F 7/00 (2006.01) G09B 25/00 (2006.01) G03F 1/02 (2006.01)

Patent

CA 1172499

Abstract This invention comprises a process for molding a three dimensional decorative article 16 where cored out or raised portions extend to a depth of at least 0.6 centimeter, said process comprising generating electronically a line drawing 2 of said article and electronically displaying the drawing 3; photographing said drawing to form a photographic transparency 4; positioning said transparency over a layer of a liquid photopolymer having a depth greater than 0.6 centimeter; exposing said photopolymer through said transparency to actinic light 9 to set the photopolymer; and removing the liquid from the set photopolymer to form a three dimensional article 16 having the appearance Or said drawing 2.

380993

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