B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
113/69
B21D 22/20 (2006.01) B21D 24/00 (2006.01)
Patent
CA 1073753
ABSTRACT OF THE DISCLOSURE The present invention provides a machine for producing elongated shells of can dimension from blanks fed alternately to two spaced shell forming stations and comprising: (a) die means arranged on a common horizontal axis at a pair of spaced die stacks which identify said stations; (b) feed means for feeding the blanks to ready position on said axis at each station; (c) a horizontal double-acting punch body arranged on said axis between the die stacks; (d) force applying means for moving the punch body in opposite directions through the die means; and (e) feedback means monitoring punch body position and con- stantly adjusting the force applying means to establish sub- stantially constant velocity of the punch body moving through the respective die means.
315645
Backe Bengt S.
Gold Vance B.
Jessogne Harold J.
Kubacki Edward F.
Kudert Frederick G.
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