Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Patent
1981-05-22
1983-04-19
Gilden, Leon
Metal deforming
By use of closed-die and coacting work-forcer
Forcing work into or within closed die; e.g., forging
72370, 72401, 72402, B21D 2200
Patent
active
043801650
ABSTRACT:
To prevent fold formation when arranging a circumferential flange and a circular constriction adjoining the same, the material of the sleeve body is locally arrested under a sufficient clamping force between the inner and outer segments of a deformation device.
REFERENCES:
patent: 517738 (1894-04-01), Edgar et al.
patent: 2343006 (1944-02-01), Gibbs
patent: 2691906 (1954-10-01), Finch
patent: 2828538 (1958-04-01), Darden
patent: 3509755 (1970-05-01), Bulgur
patent: 3913373 (1975-10-01), Kindez
patent: 4267719 (1981-05-01), Walker
Gilden Leon
Kowalik John J.
Thomassen & Drijver-Verblifa N.V.
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