ROLL, METHOD OF TREATING THE SURFACE OF ROLL, AND APPARATUS FOR TREATING THE SURFACE OF ROLL

Title:

ROLL, METHOD OF TREATING THE SURFACE OF ROLL, AND APPARATUS FOR TREATING THE SURFACE OF ROLL

Document Type and Number:

WIPO Patent Application WO/2000/016918

Kind Code:

A1

Abstract:

A molten substance from a discharge electrode worn due to electric discharge energy during discharge machining in a liquid or a reaction product thereof is deposited on the surface of a roll thereby to form a hard film of the molten substance or the reaction product thereof on the surface of the roll.

Inventors:

MORO TOSHIO (JP)
GOTO AKIHIRO (JP)

Application Number:

PCT/JP1998/004215

Publication Date:

March 30, 2000

Filing Date:

September 18, 1998

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Assignee:

MITSUBISHI ELECTRIC CORP (JP)
MORO TOSHIO (JP)
GOTO AKIHIRO (JP)

International Classes:

B21B27/00; C23C26/02; (IPC1-7): B21B27/00

Foreign References:

JPH07197275A

1995-08-01

Attorney, Agent or Firm:

Sakai, Hiroaki (Kasumigaseki 3-chome Chiyoda-ku Tokyo, JP)

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