Apparatus for the manufacture of four-sided sheet metal containe

Details Apparatus for the manufacture of four-sided sheet metal containe Apparatus for the manufacture of four-sided sheet metal containe

1989-01-30

1990-08-07

Crane, Daniel C.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Clamp structure constitutes sole initial metal-deforming...

493176, 72319, B21D 516, B21D 5116

Patent

active

049457489

ABSTRACT:
Apparatus for making tapered four-sided sheet metal containers comprises a tapered four-sided mould 42 and a folding mechanism 26.1 for folding a sheet metal blank onto the mould. The folding mechanism comprises a carrier 28 and four folding elements 30, 32 pivotally mounted on the carrier. When the mould and the folding mechanism is displaced towards one another with the sheet metal blank 10 disposed between them, the folding elements pivot about their pivotal mountings and fold peripheral portions of the blank onto the sides of the mould.

REFERENCES:
patent: 145660 (1873-12-01), Kuessner
patent: 160747 (1875-03-01), Bowers
patent: 195035 (1877-09-01), Morgan
patent: 412242 (1889-10-01), Dawson
patent: 430835 (1908-06-01), Codding et al.
patent: 548680 (1895-10-01), Votaw
patent: 926866 (1909-07-01), Halbreich
patent: 939888 (1909-11-01), Bertin

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