Title:
TORSION FLAT STEEL
Document Type and Number:
Japanese Patent JPH09271850
Kind Code:
A
Abstract:
To produce a straight and accurate pitch torsion flat steel.
A flat steel 2 of freely fitting is entered inside a round tube 1, further freely fitting steel balls 3 are entered by a proper number on the both sides of the flat steel and made so as not to get away, and the both ends of the flat steel are gripped and twisted.
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Inventors:
GOTO KIYOKO
Application Number:
JP11519896A
Publication Date:
October 21, 1997
Filing Date:
April 01, 1996
Export Citation:
Assignee:
GOTO KIYOKO
International Classes:
B21D11/14; (IPC1-7): B21D11/14
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