Method of making shackle

Details Method of making shackle Method of making shackle

1980-04-10

1982-10-19

Goldberg, Howard N.

Chain, staple, and horseshoe making

Chain making

Blanks and processes

59 27, B21L 1300

Patent

active

043543448

ABSTRACT:
A method of making a shackle is disclosed. Both ends of a round bar are upset and are then formed into circular heads which are bored through. The round bar is later bent into a U at its middle part to form the shackle body, and the indicating letters are bulged out on the shackle body and surrounded by a depressed island.

REFERENCES:
patent: 741914 (1903-10-01), Kirschbaum
patent: 2471900 (1949-05-01), Robinson
patent: 3140655 (1964-07-01), Lally
patent: 3848312 (1974-11-01), Kirkham
patent: 4079584 (1978-03-01), Shahan
patent: 4145874 (1979-03-01), Muller et al.

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