Tool for producing bends in curved surfaces

Details Tool for producing bends in curved surfaces Tool for producing bends in curved surfaces

1984-07-30

1986-08-19

Crane, Daniel C.

Metal deforming

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

By individually non-deforming clamps

72312, 72415, 72465, B21D 1120

Patent

active

046062130

ABSTRACT:
A tool for producing bends or steps in curved surfaces has an upper and a lower tool part arranged to work towards one another when in operation. The tool part surfaces conform in shape with the curved surface in which one or more bends are to be formed. The tool part surfaces are made as form tools resiliently mounted and guided in the upper and lower tool parts. The form tools also identify in shape with the original curved surface. The inventive tool is suitably arranged in a press.

REFERENCES:
patent: 939468 (1909-11-01), Boyce
patent: 1354779 (1920-10-01), Rydbeck
patent: 2332435 (1943-10-01), Bucklein
patent: 2438837 (1948-03-01), Archer et al.
patent: 4250728 (1981-02-01), King

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