Static molds – Uniting preform with molding material – Mold supported by and girdles preform
Patent
1986-01-23
1987-12-22
Woo, Jay H.
Static molds
Uniting preform with molding material
Mold supported by and girdles preform
51216LP, 164332, 248DIG12, 249 96, 425808, B24B 406
Patent
active
047142324
ABSTRACT:
This bearing ring is of the kind comprising, for contact with the semi-finished blank to be processed, a limited number of bearing areas appropriately distributed circumferentially around the axis of the assembly. The planes tangential to the ends of each of the bearing areas form between them a dihedron, the bearing surface that a bearing area of this kind provides being in practice generally convex.
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patent: 3304586 (1967-02-01), Buckminster et al.
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patent: 3512310 (1970-05-01), Rudd et al.
patent: 3866660 (1975-02-01), Gill
patent: 3951203 (1976-04-01), Prunier
patent: 4089102 (1978-05-01), Soper et al.
patent: 4118853 (1978-10-01), Mignem
patent: 4190621 (1980-02-01), Greshes
Brown Charles A.
Brown Charles E.
Essilor International "Cie Generale d'Optique
Fortenberry J.
Woo Jay H.
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