Articulated air lead-in linkage for can body maker

Details Articulated air lead-in linkage for can body maker Articulated air lead-in linkage for can body maker

1975-04-21

1976-04-27

Larson, Lowell A.

Metal deforming

With temperature modification of tool or of specified...

Cooling

72345, 72347, B21D 2220

Patent

active

039525732

ABSTRACT:
An air lead-in for a can body former of the type comprising a ram having a can-forming punch at its end which draws and wall-irons a metal blank by forcing it through a series of rings, the ram and punch having air passages therein through which compressed air is pulsed in a programmed series to faciliate stripping a formed can from the punch. The lead-in comprises novel linkage having articulatingly connected oscillating sections with interconnected air passages therein one end of the linkage having a pivot connection to the ram passages at one end and the other end having a connection to a rocker drive arm air passages from a source external of the arm.

REFERENCES:
patent: 2036182 (1936-03-01), Singer
patent: 2378068 (1945-06-01), Eason
patent: 3402591 (1968-09-01), Maeder
patent: 3524338 (1970-08-01), Bozek

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