Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Patent
1988-05-02
1989-08-29
Larson, Lowell A.
Metal deforming
By use of closed-die and coacting work-forcer
Forcing work into or within closed die; e.g., forging
198846, B21D 4312
Patent
active
048605697
ABSTRACT:
A press for converting work pieces into finished parts has an endless conveyor for carrying work pieces into and out of the area of the press tooling. Work pieces rest in openings formed in the conveyor. A vacuum box on the lower side of the conveyor's forward run applies a vacuum to the work pieces to retain them on the conveyor. The conveyor has a plurality of transverse beads located intermediate the work piece openings. The beads stiffen the conveyor, thereby reducing deflection of the belt due to the load placed on it from the underside by the vacuum box.
REFERENCES:
patent: 2711815 (1955-06-01), Lorig
patent: 3231065 (1966-01-01), Kaminski et al.
patent: 4411146 (1983-10-01), Sulasaari et al.
Larson Lowell A.
Service Tool Die & Mfg. Company
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