Sheet metal draw die apparatus

Details Sheet metal draw die apparatus Sheet metal draw die apparatus

1977-05-31

1978-06-27

Mehr, Milton S.

Metal deforming

By use of closed-die and coacting work-forcer

Cup or shell drawing

B21D 2202

Patent

active

040967298

ABSTRACT:
The sheet metal draw die apparatus disclosed is used with a double-acting press for drawing a planar metal sheet to a predetermined nonplanar drawn article. Both the lower and upper dies consist of spaced-apart modules having only male work contact surfaces formed thereon such that the juxtaposition of the upwardly and downwardly facing male work contact surfaces constitute a distinct, continuous surface defining the drawn article.

REFERENCES:
patent: 1826559 (1931-10-01), Meier
patent: 1881517 (1932-10-01), Groehn
patent: 2067459 (1937-01-01), Nall et al.

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