Metal deforming – By use of closed-die and coacting work-forcer – Cup or shell drawing
Patent
1978-07-24
1979-11-13
Gilden, Leon
Metal deforming
By use of closed-die and coacting work-forcer
Cup or shell drawing
72468, B21D 2228
Patent
active
041738829
ABSTRACT:
An improved mounting for ironing dies used in forming drawn and ironed metal articles, such as can bodies, at high speeds is disclosed. The support is formed of a metal ring having a plurality of fingers extending outwardly and axially from the ring. These fingers act as springs to allow the ironing dies, which are deflectably mounted on these fingers, to shift slightly in a direction generally perpendicular to their axes to accommodate off-centered cups which pass through the ironing dies to be formed into can bodies. The improved support is unaffected by the lubricant present in great amounts in the die cavities and on the cups so that the ironing die support will not deteriorate over time.
REFERENCES:
patent: 1742795 (1930-01-01), Tanner
patent: 3399558 (1968-09-01), Smith et al.
patent: 3735629 (1973-05-01), Paramonoff
patent: 3930396 (1976-01-01), Martinez
patent: 3943740 (1976-03-01), Bartenstern
patent: 4109502 (1978-08-01), Schafler
Gilden Leon
Reynolds Metals Company
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