Process for producing cast and set pieces of jewellery

Details Process for producing cast and set pieces of jewellery Process for producing cast and set pieces of jewellery

B - Operations, Transporting

22

D

B22D 25/02 (2006.01) A44C 17/04 (2006.01)

Patent

CA 2125152

ABSTRACT OF THE DISCLOSURE In order to produce pieces of jewellery with one or several set stones, a master pattern with settings for the stones is produced, a master mould is produced by moulding from the master pattern, a model is produced in the master mould with a castable or injection mouldable modelling mass that can be ejected by heating from the master mould, the stones are inserted into the model and set by deformation of the setting, a casting mould is produced be embedding the model in a fire-resistant moulding mass and by ejecting the modelling mass from the casting mould, metal is cast into the casting mould by a spin casting or vacuum moulding process and the piece of jewellery is removed from the mould once the metal has cooled down.

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