Process for manufacturing thin unitary hollow metal bodies

Details Process for manufacturing thin unitary hollow metal bodies Process for manufacturing thin unitary hollow metal bodies

1981-10-22

1984-04-10

Gilden, Leon

Metal deforming

With temperature modification of tool or of specified...

Cooling

72349, 72364, B21B 2200

Patent

active

044413548

ABSTRACT:
A process for forming hollow bodies of metal materials, particularly of aluminum alloys, based on a suitable combination of mechanical operations comprising deep drawing, stretching, tapering and tool machining, whereby it is possible to obtain essentially cylindrical one-piece metal bodies with a concave dished bottom and a dome-shaped head provided with a beaded opening. The unitary bodies are characterized in that the cylinder walls are very thin, highly strain-hardened and endowed with high mechanical properties, permitting a remarkable reduction in the metal material amount used in the aforesaid enbloc bodies, destined for being used chiefly as pressure containers, for example for aerosol.

REFERENCES:
patent: 3811306 (1974-05-01), Yoshimura
patent: 3964412 (1976-06-01), Kitsuda
patent: 3986382 (1976-10-01), Miller et al.
patent: 3995572 (1976-12-01), Saunders
patent: 4173883 (1979-11-01), Boik
patent: 4220106 (1980-09-01), Supik

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