Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Patent
1997-09-23
1999-12-07
Larson, Lowell A.
Metal deforming
By use of tool acting during relative rotation between tool...
During rotation of work
72111, B21D 1904
Patent
active
059963867
ABSTRACT:
The edging or tapering equipment requires that each of the two shaped pads, for the plastic deformation of the two edges of a respective can body, be positioned so that the longitudinal axis of the pads lies at an angle to the longitudinal axis of the can body located in an operating position zone, and that the pads be set at opposite angles to one another; each of these shaped pads also moves independently, rotating and traversing around and along their respective longitudinal axis and simultaneously traversing along a determined longitudinal axis so as to obtain, at an operating contact position, induced rotation of the can body in a direction concording with the rotation of the shaped pads and designed to allow contact between each operating head and the respective edge in a zone for the definition of the profile of said edge, a profile which is created gradually, by simultaneous linear traversing and rotation of the shaped pads along the axis.
REFERENCES:
patent: 3610009 (1971-10-01), Franek
patent: 3690278 (1972-09-01), Rautavalta
patent: 4134284 (1979-01-01), Nitschke
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