Method and apparatus for hot roll forming inside U-shaped channe

Details Method and apparatus for hot roll forming inside U-shaped channe Method and apparatus for hot roll forming inside U-shaped channe

1992-09-17

1993-12-28

Crane, Daniel C.

Metal deforming

By deflecting successively-presented portions of work during...

By use of deflector arranged to bend work transversely of...

72181, 72234, B21B 112

Patent

active

052728994

ABSTRACT:
A method of hot roll forming compound metal channel sections from a bar blank using multiple shaped rollers and progressive roller sets. An inside U-shaped channel section is hot roll formed by rolling opposing channel section towards one another while maintaining support and spacing therebetween.

REFERENCES:
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patent: 1574397 (1926-02-01), Kirsch
patent: 1624340 (1927-04-01), Heinle
patent: 1856269 (1932-05-01), Schulz et al.
patent: 2505241 (1950-04-01), Gray et al.
patent: 3485076 (1969-12-01), Colburn
patent: 4267954 (1981-05-01), Smith
patent: 4334419 (1982-06-01), Kishikawa
patent: 4821550 (1989-04-01), De Barea, Sr.

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