B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 28/26 (2006.01) B21D 22/02 (2006.01) B21D 43/00 (2006.01) B21D 53/04 (2006.01)
Patent
CA 2466688
A method and apparatus for forming shaped articles such as heat exchanger plates and fuel cell plates from a strip of material. The apparatus includes a feed mechanism for feeding the strip; one or more forming devices which form peripheral features and/or discontinuities in the strip; and an alignment device which maintains constant spacing between the discontinuities and thereby avoids accumulation of incremental feeding errors. Preferably, the strip is re-aligned once for each plate produced. The alignment device comprises a pilot pin and a pilot hole punch for forming index holes in the strip, and can be integral with or separate from the forming devices. One preferred apparatus utilizes a forming device comprising a plurality of punches mounted on a reciprocating frame or gantry structure.
Brown Robert H.
Duke Brian Ernest
Miller B. Timothy
Dana Canada Corporation
Ridout & Maybee Llp
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