B - Operations – Transporting – 21 – J
Patent
B - Operations, Transporting
21
J
26/111, 78/38
B21J 13/02 (2006.01) B21K 1/76 (2006.01) B23P 15/26 (2006.01)
Patent
CA 1162764
Disclosure 5661 Female Dies Abstract of the Disclosure A segmented female die for use in a closed die set comprising a pair of similar center segments and a pair of similar "half moon" shaped outside segments. The four segments also define the ejector pin opening. The die segments are prevented from relative motion between themselves by interlocks comprising closely mating protrusions and guideways which, in cooperation with other means, produce a rigid female die. The interlocks permit the use of relatively simple manufacturing techniques such as grinding as opposed to more sophisticated techniques such as electrical discharge machining.
373319
Brown Ernest J.
Mcdermott Richard P.
Gowling Lafleur Henderson Llp
W-F Industries Inc.
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