Method for roll forming and apparatus for carrying out the metho

Details Method for roll forming and apparatus for carrying out the metho Method for roll forming and apparatus for carrying out the metho

1989-06-21

1991-12-03

Schmidt, Frederick R.

Metal deforming

By use of tool acting during relative rotation between tool...

During rotation of work

413 8, 72110, 72125, B21D 2214

Patent

active

050690523

ABSTRACT:
Apparatus for reforming an end wall of a container comprises a pair of cooperating pads 10, 11 cooperable to clamp the wall firmly on a central axis of the pads and wall, and a cluster of work rolls 12 arranged around the pads so that when a clamped wall is entered into the profiled rolls 12 relative rotation as between the rolls 12 and protruding edge of the wall 1 brings about progressive deformation of the periphery of the wall.
The apparatus may be modified to form a peripheral curl on a can end or tighten the folds of a can bottom integral with a drawn side wall.

REFERENCES:
patent: 1060112 (1913-04-01), Norton
patent: 2519869 (1950-08-01), Zeiler
patent: 2678079 (1954-05-01), Kradoska
patent: 3797431 (1974-03-01), Yoshimura
patent: 4058998 (1971-11-01), Franek et al.

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