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 1065690
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; (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 direc- tions through the die means; (e) means to impart a dwell period of zero velocity for a predetermined time to the punch body at the end of each punch stroke, the blank feed means being oper- able to feed a blank to one station in alignment with said axis during the related dwell period of the punch body at the other station; and (f) sensing means operable during the dwell period to sense for a blank in alignment.
315646
Backe Bengt S.
Gold Vance B.
Jessogne Harold J.
Kubacki Edward F.
Kudert Frederick G.
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