Process for manufacturing a metal seat back structure

Details Process for manufacturing a metal seat back structure Process for manufacturing a metal seat back structure

1980-10-07

1983-02-15

Combs, Ervin M.

Metal working

Method of mechanical manufacture

Obtaining plural product pieces from unitary workpiece

B23P 1700

Patent

active

043732453

ABSTRACT:
L-shaped blanks of flat plate are formed by shearing, the ends of the smaller branches of two L-shaped blanks are collinearly joined together in an end-to-end fashion by electrical welding between rollers to obtain a complete U-shaped blank which is then drawn to a C-shaped cross-section.

REFERENCES:
patent: 2440470 (1948-04-01), Greitzer
patent: 2550479 (1951-04-01), Hoven
patent: 3792522 (1974-02-01), Gray et al.

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