Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Patent
1981-03-09
1983-08-09
Gilden, Leon
Metal deforming
By use of closed-die and coacting work-forcer
Forcing work into or within closed die; e.g., forging
10 12T, 10 125, 10 15, B21D 2200
Patent
active
043971725
ABSTRACT:
In a two-die, four-punch press for the production of screws, bolts, rivets and like shaped articles, the four punches are mounted on a swinging plate which is borne frontally by the ram. The swinging motion of the punch-carrier plate is controlled by a desmodromic (positive) cam which, through an intermediary mechanism, commands the tail piece of the plate mounted in the ram with an axis parallel to the direction of travel of said ram.
REFERENCES:
patent: 2362970 (1944-11-01), Bolland
patent: 3353417 (1967-11-01), Nebendorf et al.
patent: 3470727 (1969-10-01), Byorn et al.
patent: 3755839 (1973-09-01), Emody et al.
patent: 4170051 (1979-10-01), O'Keefe et al.
patent: 4170123 (1979-10-01), Berger
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