Metal working – Method of mechanical manufacture – Jewelry or locket making
Patent
1995-04-04
1999-04-27
Echols, P. W.
Metal working
Method of mechanical manufacture
Jewelry or locket making
298964, 164 35, 427510, 430320, B21F 4300, B22C 902, C08J 704
Patent
active
058966633
ABSTRACT:
The instant invention contemplates a process for manufacturing jewelry including the steps of: (a) creating a photographic negative from a computer-generated image; (b) exposing the back side of a polyester backed soft photopolymerizable resin sheet to ultra-violet radiation thereby causing photopolymerization to a predetermined depth corresponding the exposure duration; (c) masking the negative over a "soft" photopolymerizable resin; (d) irradiating the unmasked resin with ultraviolet radiation; (e) chemically removing the non-photoset resin from the photopolymer resulting in a positive three-dimensional likeness of the object to be cast; and (f) creating a final negative mold using the positive three-dimensional likeness via a "lost-wax" type process.
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Aurafin Corporation
Echols P. W.
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