Can removal method for use with a double action cupper

Details Can removal method for use with a double action cupper Can removal method for use with a double action cupper

1982-01-11

1983-11-22

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

With stripping or ejecting from tool

72347, 72427, B21D 4500

Patent

active

044161409

ABSTRACT:
A double action draw press having inner and outer rams reciprocal with respect to a fixed base for forming two piece containers such as beverage or food containers from metal sheet stock. The apparatus includes a pressure system carried by the outer ram and adapted to hold the material during the drawing operation. The apparatus also includes a drawing horn secured to the inner ram and movable independently of the pressure sleeve system. The drawing horn has an inwardly directed recess in its outboard end which communicates with an internal air passage leading to a source of air pressure. This structure permits use of an improved method of removing the formed can from the press by permitting air pressure to be applied to the interior wall surfaces of the drawn container as the press opens to move it out of the press for further processing. The horn is capable of being rotated about its longitudinal axis and fixed in any desired position so that this air passage is capable of being precisely directed whereby the air applied to the container will direct the container in a predetermined direction.

REFERENCES:
patent: 3402591 (1968-09-01), Maeder
patent: 3771344 (1973-11-01), Wright
patent: 3902347 (1975-09-01), Ridgway et al.
patent: 4248076 (1981-02-01), Bulso, Jr. et al.
patent: 4280353 (1981-07-01), Murphy

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