Method for forming hollow nutdrivers from tubing

Details Method for forming hollow nutdrivers from tubing Method for forming hollow nutdrivers from tubing

1994-01-11

1994-12-27

Crans, Daniel C.

Metal deforming

Process

Tube making or reshaping

72318, 72356, 76114, B21D 4102

Patent

active

053754492

ABSTRACT:
A method of forming a number of sizes of hollow shaft nutdrivers from a common size metal tube workpiece. The method comprises three steps to form a hex drive socket on one end of a metal tube workpiece, and a fourth step to form a plurality of raised wings on the other end of the metal tube workpiece for retaining the other end of the then finished nutdriver in a handle.

REFERENCES:
patent: 1467264 (1923-09-01), Breeze
patent: 1566645 (1925-12-01), Breeze
patent: 2016795 (1935-10-01), Belknap
patent: 4154082 (1979-05-01), Beech
patent: 4594874 (1986-06-01), Bononi et al.

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