TOOL FOR PLATE DEVELOPMENT FOR METALLIC TUBULAR TEST PIECE

Title:

TOOL FOR PLATE DEVELOPMENT FOR METALLIC TUBULAR TEST PIECE

Document Type and Number:

Japanese Patent JP2003344240

Kind Code:

A

Abstract:

To develop a tubular metal test piece sampled from a metal pipe into a plate.

This tool is provided with a plate-developing means comprising rollers and a mold. The mold comprises an upper mold and a lower mold, a compass-like arm part with paired shafts comprising two arms is provided on both side faces in one-ends of the two arms in the side faces of the upper mold, and the rollers are preferably supported in the other end parts of the two arms in the compass-like arm part to allow rotation and press between the respective paired compass-like arm part arms. The upper mold and/or the lower mold constituted by this manner are (is) moved downwards/upwards to move the rollers along the lower mold, and the tubular test piece is pressed from an inner face side to be plate-developed.

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Inventors:

KAWABATA YOSHIKAZU
KATO AKIRA
TERANISHI HIDEO
ICHINO TADAHIRO
TOYOOKA TAKAAKI

Application Number:

JP2002147118A

Publication Date:

December 03, 2003

Filing Date:

May 22, 2002

Export Citation:

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Assignee:

JFE STEEL KK

International Classes:

G01N1/28; (IPC1-7): G01N1/28

Attorney, Agent or Firm:

Eiichi Kobayashi

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