PRODUCTION METHOD FOR METALLIC MATERIAL IN METAL FORMING MACHINE

WIPO Patent Application WO/2005/080025

A1

In order to efficiently melt halfway or completely a cylindrical metallic material that has been inserted into a melting cylinder provided to a heating/retaining cylinder in a metal forming machine, the clearance between the inner peripheral surface of the melting cylinder and the outer peripheral surface of the cylindrical metallic material, as defined by the inner diameter of the melting cylinder and the diameter of the metallic material when thermally expanded in conjunction with the linear expansion coefficient of the metallic material and the linear expansion coefficient of a melting cylinder material, is limited to within a range that does not exceed 1.0 mm but permits the insertion of a non-thermally-expanded metal material into a thermally-expanded melting cylinder.

TAKIZAWA KIYOTO (JP)
KODA TOSHIYASU (JP)
MIYAGAWA MAMORU (JP)
ANZAI KAZUO (JP)
TAKEI KOJI (JP)
UWADAIRA IKUO (JP)
YAMAZAKI KO (JP)

PCT/JP2005/003550

September 01, 2005

February 24, 2005

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NISSEI PLASTICS IND CO (JP)
TAKIZAWA KIYOTO (JP)
KODA TOSHIYASU (JP)
MIYAGAWA MAMORU (JP)
ANZAI KAZUO (JP)
TAKEI KOJI (JP)
UWADAIRA IKUO (JP)
YAMAZAKI KO (JP)

B22D17/00; B22D17/20; B22D17/28; (IPC1-7): B22D17/28

JPH08257725A	1996-10-08
JPH05104201A	1993-04-27

Akimoto, Teruo (Minato-ku, Tokyo 62, JP)

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