Method for forming a hollow workpiece using a snake tool

Details Method for forming a hollow workpiece using a snake tool Method for forming a hollow workpiece using a snake tool

1993-04-16

1994-06-28

Crane, Daniel C.

Metal deforming

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

By individually non-deforming clamps

72466, B21D 1102, B21D 903

Patent

active

053236319

ABSTRACT:
A tool device for supporting one or more walls of an elongated hollow member located in a recess of a die for bending said member over a surface of the die while said member is in a stretched condition. The tool device comprises a plurality of segments held together in a snake-like arrangement by at least one cable extending through the segments. Opposed ends of the cable are provided with means for connecting the cable to opposed clamp assemblies of stretch bend apparatus.

REFERENCES:
patent: 1654697 (1928-01-01), Mueller
patent: 1748158 (1930-02-01), Walp
patent: 2267774 (1941-12-01), Wall
patent: 2729265 (1956-01-01), Jones
patent: 2889864 (1959-06-01), Bowser
patent: 4608849 (1986-09-01), Brugman
patent: 4671096 (1987-06-01), Crosby
patent: 4744233 (1988-05-01), Trudell
patent: 5131254 (1992-07-01), White

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