Method of forming composite tubular structure

Details Method of forming composite tubular structure Method of forming composite tubular structure

1989-09-18

1990-06-05

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Magnetically shaping

294695, 29507, 29516, 29525, 228136, 285382, 403278, B23P 1700

Patent

active

049302043

ABSTRACT:
A composite tubular structure, such as a vehicle drive shaft. The ends of a fiber reinforced resin tubular member are formed with a plurality of longitudinal slots and each slotted end of the tubular member is positioned in overlapping relation with a cylindrical sleeve portion of a metal yoke. A cylindrical metal collar is disposed around the overlapping joint and spaced portions of the collar are deformed inwardly by electromagnetic energy into contact with the sleeve of the yoke. The deformed portions can be mechanically interlocked with the sleeve by welding or the like. With this construction, the torsional load is transmitted through the deformed portions of the collar and the edges of the tubular member bordering the slots to provide an improved mechanical connection between the fiber reinforced tubular member and the yokes.

REFERENCES:
patent: 3313536 (1967-04-01), Dutton et al.
patent: 4238539 (1980-12-01), Yates et al.
patent: 4451245 (1984-05-01), Hornig
patent: 4523872 (1985-06-01), Arena et al.
patent: 4663819 (1987-05-01), Traylor
patent: 4664423 (1987-05-01), Rowley
patent: 4792320 (1988-12-01), Nickel

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