In-roof flanging fixture and process

Details In-roof flanging fixture and process In-roof flanging fixture and process

1988-09-02

1990-02-06

Spruill, Robert L.

Metal deforming

With temperature modification of tool or of specified...

Cooling

72375, 72414, 294011, B21D 1118, B21D 3716

Patent

active

048980161

ABSTRACT:
A flanging fixture, and a method of attaching the fixture and performing flanging operation on a pointed metal surface of a vehicle, surrounding an aperture. The flanging fixture is positioned on the painted metal surface surrounding the aperture. The fixture is secured to the vehicle surface and a source of heat is applied to the vehicle surface. The vehicle surface is heated to an optimum temperature, and the offsetting tool is applied to the metal surface. The offsetting tool is worked around the perimeter of the aperture to perform the flanging operation on the painted metal surface resulting in a formed ledge without damaging the painted surface.

REFERENCES:
patent: 1656277 (1928-01-01), Haak et al.
patent: 1855978 (1932-04-01), Malone
patent: 1979472 (1934-11-01), Kelly
patent: 2193050 (1940-03-01), Wiest
patent: 3289454 (1966-12-01), Chandler
patent: 4081985 (1978-04-01), Rothenberger
patent: 4553307 (1985-11-01), Kaltz et al.

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