Tandem ironing land assembly

Details Tandem ironing land assembly Tandem ironing land assembly

1981-11-23

1984-04-17

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

Cup or shell drawing

72468, B21D 2200

Patent

active

044426925

ABSTRACT:
A drawing and ironing assembly including a punch movable along a path having a plurality of spaced ironing die assemblies with the last of the ironing die assemblies having twin spaced lands, the diameter of the second twin land is slightly greater than the diameter of the first land to produce a very small amount of ironing.

REFERENCES:
patent: 2373600 (1945-04-01), Slater
patent: 3360157 (1967-12-01), Bolt et al.
patent: 3951296 (1976-04-01), Swanson et al.
patent: 4217770 (1980-08-01), Wasser

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