Metal deforming – By three or more coacting relatively movable tools – Concurrently actuated tools
Patent
1991-08-19
1993-04-20
Crane, Daniel C.
Metal deforming
By three or more coacting relatively movable tools
Concurrently actuated tools
72450, 292835, B21D 4100
Patent
active
052031977
ABSTRACT:
A clamp that encircles the outer rim of an out-of-round workpiece such as a deformed tubular pipe to reform the cross-section of same into one that is substantially round, the clamp including a frame, a plurality of pivotally mounted force applying assemblies each having a force applying member to engage the workpiece, and drive means for pivoting all of the force applying assemblies simultaneously such that the force applying members are simultaneously and uniformly repositioned radially inwardly and outwardly relative to a circle defining the locus of pivot axes for the force applying members, the force applying members being adapted to close into a circle having a diameter sized to engage the workpiece when inserted therein.
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Cogsdill Tool Products, Inc.
Crane Daniel C.
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