EP1173625A1 - Method for producing a rolling bearing steel - Google Patents
Method for producing a rolling bearing steelInfo
- Publication number
- EP1173625A1 EP1173625A1 EP00906767A EP00906767A EP1173625A1 EP 1173625 A1 EP1173625 A1 EP 1173625A1 EP 00906767 A EP00906767 A EP 00906767A EP 00906767 A EP00906767 A EP 00906767A EP 1173625 A1 EP1173625 A1 EP 1173625A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel
- rolling bearing
- producing
- rolling
- casting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/36—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for balls; for rollers
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1011805 | 1999-04-15 | ||
NL1011805A NL1011805C2 (en) | 1999-04-15 | 1999-04-15 | Method for manufacturing a ball bearing steel. |
PCT/NL2000/000116 WO2000063449A1 (en) | 1999-04-15 | 2000-02-24 | Method for producing a rolling bearing steel |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1173625A1 true EP1173625A1 (en) | 2002-01-23 |
Family
ID=19769020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00906767A Ceased EP1173625A1 (en) | 1999-04-15 | 2000-02-24 | Method for producing a rolling bearing steel |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1173625A1 (en) |
JP (1) | JP2002542394A (en) |
AU (1) | AU2832700A (en) |
NL (1) | NL1011805C2 (en) |
WO (1) | WO2000063449A1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2986829B2 (en) * | 1990-03-03 | 1999-12-06 | 川崎製鉄株式会社 | Manufacturing method of bearing material with excellent rolling fatigue life |
DE19520833C2 (en) * | 1994-06-16 | 1998-06-04 | Mannesmann Ag | Process for the production of a seamless hot-worked pipe |
JP3422094B2 (en) * | 1994-10-14 | 2003-06-30 | 日本精工株式会社 | Rolling bearing |
JP3338761B2 (en) * | 1996-02-29 | 2002-10-28 | 川崎製鉄株式会社 | Bearing material |
-
1999
- 1999-04-15 NL NL1011805A patent/NL1011805C2/en not_active IP Right Cessation
-
2000
- 2000-02-24 EP EP00906767A patent/EP1173625A1/en not_active Ceased
- 2000-02-24 AU AU28327/00A patent/AU2832700A/en not_active Abandoned
- 2000-02-24 WO PCT/NL2000/000116 patent/WO2000063449A1/en not_active Application Discontinuation
- 2000-02-24 JP JP2000612524A patent/JP2002542394A/en active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO0063449A1 * |
Also Published As
Publication number | Publication date |
---|---|
NL1011805C2 (en) | 2000-10-17 |
AU2832700A (en) | 2000-11-02 |
JP2002542394A (en) | 2002-12-10 |
WO2000063449A1 (en) | 2000-10-26 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20011001 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
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AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
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17Q | First examination report despatched |
Effective date: 20020214 |
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APBN | Date of receipt of notice of appeal recorded |
Free format text: ORIGINAL CODE: EPIDOSNNOA2E |
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APBR | Date of receipt of statement of grounds of appeal recorded |
Free format text: ORIGINAL CODE: EPIDOSNNOA3E |
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RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB IT |
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APAA | Appeal reference recorded |
Free format text: ORIGINAL CODE: EPIDOS REFN |
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APBT | Appeal procedure closed |
Free format text: ORIGINAL CODE: EPIDOSNNOA9E |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
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18R | Application refused |
Effective date: 20031113 |
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APAF | Appeal reference modified |
Free format text: ORIGINAL CODE: EPIDOSCREFNE |
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R18R | Application refused (corrected) |
Effective date: 20050827 |