Metal working – Gem and jewel setting
Patent
1983-11-09
1985-10-01
Bell, Paul A.
Metal working
Gem and jewel setting
29525, B23P 500, B23P 1902
Patent
active
045436983
ABSTRACT:
A setting comprising a mounting, a stone and fastening elements, said mounting containing at least two smooth bore holes spaced apart a distance to receive between them the stone and said fastening elements each comprising a head of larger diameter than the holes, each having an underside corresponding substantially in slope to the slope of the table of the stone and a shank of smaller diameter than the hole having at least one radial protrusion of larger diameter than the hole, said fastening elements being forced into the holes to a position such that the undersides of the heads have engagement with the table of the stone and the protrusions are wedged into the sides of the hole and a method of assembling and securing the stones to the mounting.
REFERENCES:
patent: 1546358 (1925-07-01), Atwater
patent: 1804833 (1931-05-01), Johnston
patent: 1815165 (1931-07-01), Scofield
patent: 1926197 (1933-09-01), Durr
patent: 2195598 (1940-04-01), Olson
patent: 2318776 (1943-04-01), Haug
patent: 2671945 (1954-03-01), Kretzer
patent: 3339378 (1967-09-01), Chirol
patent: 3349649 (1967-10-01), Mele
patent: 3751795 (1973-08-01), Favre
patent: 4222245 (1980-09-01), Vitan
patent: 4292818 (1981-10-01), Vitan
patent: 4326333 (1982-04-01), Otto
Bell Paul A.
Chancel Jean-Louis
Heyrana Sr. Paul M.
Pfund Charles E.
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