Device for forming a smooth, i.e. in particular a crease- and un

Details Device for forming a smooth, i.e. in particular a crease- and un Device for forming a smooth, i.e. in particular a crease- and un

1974-11-21

1976-04-20

DiPalma, Victor A.

72348, 72402, 72465, 113120AA, B21D 5126

Patent

active

039510832

ABSTRACT:
A reciprocally driven device is provided for forming a smooth inwardly convex flange-bearing edge-groove or -corrugation onto the open end of a metal container. A punch is moved axially to secure the container in a receiver, to move at least two cheeks towards the axis of the punch and to compress a resilient pressure-cushion about the periphery of the punch to form the flange-bearing edge-groove in the open end of the container. The device is particularly useful on an extrusion press which forms the drawn metal hollow body of the container.

REFERENCES:
patent: 3260089 (1966-07-01), Hazelton et al.
patent: 3415105 (1968-12-01), Brown et al.
patent: 3687098 (1972-08-01), Maytag
patent: 3698337 (1972-10-01), Brawner et al.
patent: 3807209 (1974-04-01), Aschberger et al.

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