Title:
CENTRIFUGALLY CAST COMPOSITE ROLL
Document Type and Number:
WIPO Patent Application WO/2007/077637
Kind Code:
A1
Abstract:
A centrifugally cast composite roll comprising an outer layer of composition containing,
by mass, 2.5 to 9% C, 0.1 to 3.5% Si, 0.1 to 3.5% Mn and 11 to 40% V together with the
balance of Fe and unavoidable impurities; an intermediate layer of high-speed steel
based alloy provided on the inside surface of the outer layer; and an inner layer
of cast iron or cast steel provided on the inside surface of the intermediate layer.
Inventors:
FURUSHIMA KIYOSHI (JP)
MATSUMOTO SHUNJI (JP)
HONDA RYOTA (JP)
HAYASHI KIYOSHI (JP)
HONDA TAKASHI (JP)
UCHIDA MASATSUGU (JP)
OYAMA SEIJI (JP)
OSUE TAKUYA (JP)
MATSUMOTO SHUNJI (JP)
HONDA RYOTA (JP)
HAYASHI KIYOSHI (JP)
HONDA TAKASHI (JP)
UCHIDA MASATSUGU (JP)
OYAMA SEIJI (JP)
OSUE TAKUYA (JP)
Application Number:
PCT/JP2006/304932
Publication Date:
July 12, 2007
Filing Date:
March 13, 2006
Export Citation:
Assignee:
HITACHI METALS LTD (JP)
FURUSHIMA KIYOSHI (JP)
MATSUMOTO SHUNJI (JP)
HONDA RYOTA (JP)
HAYASHI KIYOSHI (JP)
HONDA TAKASHI (JP)
UCHIDA MASATSUGU (JP)
OYAMA SEIJI (JP)
OSUE TAKUYA (JP)
FURUSHIMA KIYOSHI (JP)
MATSUMOTO SHUNJI (JP)
HONDA RYOTA (JP)
HAYASHI KIYOSHI (JP)
HONDA TAKASHI (JP)
UCHIDA MASATSUGU (JP)
OYAMA SEIJI (JP)
OSUE TAKUYA (JP)
International Classes:
C22C37/00; B21B27/00; B22D13/00
Foreign References:
| JPH06335712A | 1994-12-06 | |||
| JP2005171285A | 2005-06-30 | |||
| JPH06346188A | 1994-12-20 | |||
| JPH0881731A | 1996-03-26 | |||
| JP2001247928A | 2001-09-14 | |||
| JPH0860289A | 1996-03-05 | |||
| JPH09256108A | 1997-09-30 | |||
| JPH09209071A | 1997-08-12 | |||
| JP2000063976A | 2000-02-29 | |||
| JPH03254304A | 1991-11-13 | |||
| JPH04141553A | 1992-05-15 |
Other References:
See also references of EP 1975265A4
Attorney, Agent or Firm:
TAKAISHI, Kitsuma (67 Kagurazaka 6-chom, Shinjuku-ku Tokyo 25, JP)
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