| (19) |
 |
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(11) |
EP 0 699 774 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
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08.05.1996 Bulletin 1996/19 |
| (43) |
Date of publication A2: |
|
06.03.1996 Bulletin 1996/10 |
| (22) |
Date of filing: 01.08.1995 |
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| (84) |
Designated Contracting States: |
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AT BE CH DE DK ES FR GB GR IE LI LU MC NL PT SE |
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Designated Extension States: |
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LT SI |
| (30) |
Priority: |
09.08.1994 IT MI941729
|
| (71) |
Applicant: LOVERE SIDERMECCANICA S.p.A. |
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I-24065 Lovere (Bergamo) (IT) |
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| (72) |
Inventors: |
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- Amici, Giampiero
I-24060 Sovere (IT)
- Ghidini, Andrea
I-24063 Castro (IT)
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| (74) |
Representative: Lecce, Giovanni |
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Studio Nord Brevetti,
Via Verdi, 14
I-24121 Bergamo
I-24121 Bergamo (IT) |
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| |
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| (54) |
Steels for tyre rims and monobloc tyres for railways and the like |
(57) Steels for tyre rims and monobloc tyres for railways, tramways and underground railways,
comprising two types of C-Mn-Ni-Mo steels micro-alloyed with B, Zr, Nb, V and Al.