Installation for producing metal girders

Details Installation for producing metal girders Installation for producing metal girders

1988-09-27

1990-06-05

Rosenbaum, Mark

Metal working

Method of mechanical manufacture

Structural member making

29155R, 72319, 72323, 2281736, B21D 1102

Patent

active

049303295

ABSTRACT:
An installation for producing girders for building or the like uses a pair of clamping and bending units to clamp and bend strip material in incremental steps to provide shaped strip with a castellated profile used as a web. The pre-shaped strip material used as the web is then welded to further strip material which forms a longitudinal flange of the girder.

REFERENCES:
patent: 3199175 (1965-08-01), Wogerbauer
patent: 3260438 (1966-07-01), Bergantini
patent: 3300839 (1967-01-01), Lichti
patent: 3595061 (1971-07-01), Bessbo
patent: 4750663 (1988-06-01), Warczak

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