Method for producing wrench socket

Details Method for producing wrench socket Method for producing wrench socket

2007-11-28

2009-06-09

Cozart, Jermie E (Department: 3726)

Metal working

Method of mechanical manufacture

Assembling or joining

C029S557000, C072S414000, C081S121100

Reexamination Certificate

active

07543366

ABSTRACT:
A method for producing a wrench socket includes forging a metal blank to form a socket. An end of the socket includes an engaging hole for coupling with a wrench and an outer periphery surrounding the engaging hole. A support rod is inserted into the engaging hole of the socket. The support rod received in the engaging hole has a shape corresponding to that of the engaging hole. The outer periphery of the end of the socket is pressed to form size indicia on the outer periphery of the end of the socket. Surface treatment is carried out on the socket after the support rod is removed from the engaging hole of the socket.

REFERENCES:
patent: 3752414 (1973-08-01), Urquhart
patent: 4839059 (1989-06-01), Leupold
patent: 4947713 (1990-08-01), Arnold
patent: D442837 (2001-05-01), Porras
patent: 6761093 (2004-07-01), Chang
patent: 7010998 (2006-03-01), Ying-Hao
patent: 7028588 (2006-04-01), Shih
patent: 2004/0003638 (2004-01-01), Schaefer et al.
patent: 2006/0090612 (2006-05-01), Peng

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