Method for welding rectangular tubes

Details Method for welding rectangular tubes Method for welding rectangular tubes

1992-06-02

1993-03-02

Ramsey, Kenneth J.

Metal fusion bonding

Process

With shaping

228182, 403 14, 403272, B23K 3102

Patent

active

051902079

ABSTRACT:
A first tube of rectangular cross section is joined to a second tube by notching the first tube on two sides to assure that the top and bottom walls of the first tube touch the rounded corner of the second tube at a central location to define a weld receiving groove and to eliminate the gap between the abutted tubes for repeatable, well defined welds. To avoid large fixtures and structural locators adjacent a weld location, a small tab is provided in the notched end of the first tube. An oversized laser-cut slot in the side of the second tube receives the tab and has one slot boundary precisely located with respect to a reference point on the second tube. The first tube is urged in the direction to force the tab against the boundary and positively locate the first tube with respect to the reference point.

REFERENCES:
patent: 3062567 (1962-11-01), DeWitt
patent: 3720995 (1973-03-01), Brown et al.
patent: 3751792 (1973-08-01), Frakes

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