Title:
エンボスソケットの製造方法
Document Type and Number:
Japanese Patent JP4495753
Kind Code:
B2
Abstract:
A method for producing a wrench socket includes forging a metal blank to form a socket (10). An end portion (101) of the socket includes an engaging hole (11) for coupling with a wrench and an outer circumferential wall surrounding the engaging hole. A support rod portion (90) is inserted into the engaging hole of the socket. The support rod portion received in the engaging hole has a shape corresponding to that of the engaging hole. The outer peripheral surface of the end portion of the socket is pressed to form size indicia on the outer peripheral surface of the end portion of the socket. Surface treatment is carried out on the socket after the support rod portion is removed from the engaging hole of the socket.
Inventors:
Hu Atsui
Application Number:
JP2007325163A
Publication Date:
July 07, 2010
Filing Date:
December 17, 2007
Export Citation:
Assignee:
Hu Atsui
International Classes:
B21J5/02; B21K5/16; B25B13/00; B25B13/06
Domestic Patent References:
| JP53102863A | ||||
| JP53043059A | ||||
| JP1042868U |
Attorney, Agent or Firm:
Tadahiko Ito
Shinsuke Onuki
Tadashige Ito
Shinsuke Onuki
Tadashige Ito