Apparatus and method for forming truss tubular web...

Details Apparatus and method for forming truss tubular web... Apparatus and method for forming truss tubular web...

B - Operations, Transporting

21

D

26/181, 164/69

B21D 28/00 (2006.01) B21D 35/00 (2006.01) B21D 47/01 (2006.01) B23D 21/02 (2006.01)

Patent

CA 1057036

ABSTRACT Method for forming a symmetrically bifurcated terminal por- tion on an existing truss web component having a tubular medial portion and flattened web ends comprises shearing one of the web ends for removing tubing skin from its longitudinal margins, form- ing two unsupported side walls, and the flattening the side walls. The flattened side walls are wedged apart, separating them relative to one another and forming the symmetrically bifurcated terminal portion. The opposed web end is flattened, forming a comparatively large flattened terminal portion. The apparatus includes a frame having mounted thereon shearing means, splitting means, flattening means, and drive means for accomplishing the foregoing operations.

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