Metal working – Gem and jewel setting
Patent
1996-09-12
1998-06-09
Echols, P. W.
Metal working
Gem and jewel setting
2989642, 29896412, 292 80, 63 26, B23P 500, B21F 4300
Patent
active
057617805
ABSTRACT:
A body (1) is machined in order to form: an axial cavity (5) for the stone the cavity having an edge (1B) that can be pressed over in order to anchor the stone; a lip (1E) that forms an abutment surface (1F) for resting against the surface of the laminar support (3) around a hole (4) formed in the support; adjacent to the lip (1E), a bearing section (9) that widens out and bears against the edge of the hole (4) in the support; and an elastic projection (11, 11A) that is joined to and extends from the section (9) and that can pass into the hole (4) and then re-expand so as to bear against the edge of the hole.
REFERENCES:
patent: 1573899 (1926-02-01), Armstrong
patent: 3350764 (1967-11-01), Geldwerth
patent: 5475910 (1995-12-01), Yamamoto
patent: 5535506 (1996-07-01), Chalfin
Echols P. W.
Uno A Erre Italia S.p.A.
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