Apparatus for forming a domed bottom in a can body

Details Apparatus for forming a domed bottom in a can body Apparatus for forming a domed bottom in a can body

1987-02-20

1988-03-29

Larson, Lowell A.

Metal deforming

By use of closed-die and coacting work-forcer

Cup or shell drawing

72466, B21D 2200

Patent

active

047335505

ABSTRACT:
An apparatus for forming a dome in the bottom wall of a can body having a beveled peripheral edge incorporating a floating doming die and pressure ring to compensate for misalignment of the doming die and punch or the can body, and resilient members for restoring the doming die and pressure ring accurately to a normal coaxial central position.

REFERENCES:
patent: 3425257 (1969-02-01), Heiser
patent: 3540259 (1970-11-01), Hinshaw
patent: 3768295 (1973-10-01), Cudzik
patent: 3771345 (1973-11-01), Paramonoff
patent: 4109502 (1978-08-01), Schaffer
patent: 4173883 (1979-11-01), Boik
patent: 4179909 (1979-12-01), Maeder
patent: 4183237 (1980-01-01), Schaffer
patent: 4289014 (1981-09-01), Maeder et al.
patent: 4372143 (1983-02-01), Elert et al.
patent: 4620434 (1986-11-01), Pulciano et al.

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