Metal deforming – By use of closed-die and coacting work-forcer – Cup or shell drawing
Patent
1995-09-07
1997-05-20
Crane, Daniel C.
Metal deforming
By use of closed-die and coacting work-forcer
Cup or shell drawing
72467, 723794, B21D 2228, B21C 302
Patent
active
056303378
ABSTRACT:
A container body is produced from a blank, by first forming the blank from sheet stock in hexagonal shape, thereby eliminating scrap from the blanking process. A die ring is configured to laterally redistribute material from the point areas of the hexagon into intermediate areas during the draw-and-iron can forming process, usefully incorporating this material instead of trimming it.
REFERENCES:
patent: 1412785 (1922-04-01), Jernberg
patent: 3263637 (1966-08-01), Cox
patent: 4106422 (1978-08-01), Buhrke
patent: 4244315 (1981-01-01), Klein
patent: 4587827 (1986-05-01), Wessels
patent: 4603571 (1986-08-01), Wessels
K. Forth, New Company Has Been Around for Can Manufacturers, Cantech International, Oct./Nov. 1994.
Crane Daniel C.
Rost Kyle W.
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