Method for forming metal compression-spring gemstone mounting

Details Method for forming metal compression-spring gemstone mounting Method for forming metal compression-spring gemstone mounting

1990-10-19

1992-01-28

Yee, Deborah

Metal treatment

Compositions

Heat treating

148 115R, 148 127R, C21D 800

Patent

active

050841084

ABSTRACT:
A precious metal alloy compression-spring gemstone mounting is made by casting or working a quantity of alloy to form the gemstone mounting, annealing, and heat-treating the mounting to increase its yield strength.

REFERENCES:
patent: 3141799 (1958-08-01), Brellier et al.

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