Setting metallic parts for setting a facet cut precious stone

Details Setting metallic parts for setting a facet cut precious stone Setting metallic parts for setting a facet cut precious stone

1998-09-09

2000-09-05

Melius, Terry Lee

Jewelry

Gem setting

63 27, A44C 1702

Patent

active

061125512

ABSTRACT:
A setting of metallic parts for setting a facet cut precious stone comprises a prong portion for pressing the crown of the facet cut precious stone or the crown and the table of the facet cut precious stone from above so as to be in pressure-contact therewith. The setting also includes a concave-shaped inserting portion in pressure-contact with the culet of the facet cut precious stone from below. The facet cut precious stone is held on one side of the setting, and a heated and dissolved thermoplastic agent is flowed into a pressure contact-surface of the prong portion of the setting of metallic parts. Subsequently the thermoplastic agent is cooled and solidified, thereby to bring the setting metallic parts into close contact with the facet cut precious stone.

REFERENCES:
patent: 283864 (1883-08-01), Covell
patent: 832887 (1906-10-01), Wittstein
patent: 1211240 (1917-01-01), Ryan
patent: 2377222 (1945-05-01), Fruth
patent: 5090217 (1992-02-01), Beber et al.
patent: 5680776 (1997-10-01), Shenhav
patent: 5755117 (1998-05-01), Shenhav
patent: 5974831 (1999-11-01), Afuku et al.
patent: 6023947 (2000-02-01), Afuku et al.

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