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Title:
MULTIPLE-SHEET MEMBER, WORKING METHOD THEREOF, AND WORKING EQUIPMENT
Document Type and Number:
Japanese Patent JP3968855
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To conduct half-cut working with high dimensional precision and improve working efficiency at the time of working, in a multiple-sheet member, a working method thereof, and working equipment which are used for the panel switches of various electronic appliances or the like and require half-cut working.
SOLUTION: This working equipment divides a cutting line 11B for half- cutting multiple-sheet member 13A with contact into a straight portion 16 and its jointed portion 17 and punches the jointed portion 17 and a punched portion near it in a previous process, and half-cuts the straight portion 16 by means of punching die with a bottom dead center regulating bumper where a straight half-cutting edge formed by grinding slender rectangular parallelopiped block steel material is mounted on an upper base.


Inventors:
Yoshio Sano
Ishido Yusuke
Nobuhiro Numamoto
Akira Ue
Hiroshi Matsui
Application Number:
JP1998000059410
Publication Date:
August 29, 2007
Filing Date:
March 11, 1998
Export Citation:
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Assignee:
HENKEL LOCTITE CORPORATION
International Classes:
B26D9/00; (IPC1-7): B26D9/00
Domestic Patent References:
JP7029276B2
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano



 
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