Process for manufacturing tongue and groove pliers

Details Process for manufacturing tongue and groove pliers Process for manufacturing tongue and groove pliers

1981-04-30

1982-03-09

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

72374, 76101D, 81414, B21D 2200

Patent

active

043182925

ABSTRACT:
A manufacturing process for tongue and groove pliers that involves forging plier members with a bend between the nose and handle portions, forging arcuate projections on the members with mating surfaces on the projections. The surfaces having an angular orientation relative to the adjacent plier surface of 90.degree. minus an angle that is less than the supplement of the angle of the bend, and straightening the members so that the mating surfaces, when engaged, tend to urge said plier members relatively toward each other.

REFERENCES:
patent: 4204419 (1980-05-01), Cole

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