Device for the plastic deformation of work pieces

Details Device for the plastic deformation of work pieces Device for the plastic deformation of work pieces

2007-07-03

2007-07-03

Crane, Daniel C. (Department: 3725)

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Clamp structure constitutes sole initial metal-deforming...

C072S316000, C072S312000

Reexamination Certificate

active

10511195

ABSTRACT:
The present invention relates to a device for the deformation of workpieces, in particular for the plastic shaping of pipe ends, with a shaping unit actuated by the pressure of a fluid and with a prestressing unit arranged on a common longitudinal axis and actuated by the pressure of a fluid and also with clamping elements of conical design which can be clamped by means of the prestressing unit, in each case at least one separate pressure space being designed in the shaping unit and in the prestressing unit, which space can be pressurized independently of the pressure space of the other unit in each case. In this connection, the shaping unit and the prestressing unit are interconnected but completely closed off in relation to one another.

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patent: WO 02/13992 (2002-02-01), None

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