EP0172250A4 - Apparatus for dip-hardening metal pipe. - Google Patents
Apparatus for dip-hardening metal pipe.Info
- Publication number
- EP0172250A4 EP0172250A4 EP19840900872 EP84900872A EP0172250A4 EP 0172250 A4 EP0172250 A4 EP 0172250A4 EP 19840900872 EP19840900872 EP 19840900872 EP 84900872 A EP84900872 A EP 84900872A EP 0172250 A4 EP0172250 A4 EP 0172250A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- dip
- metal pipe
- hardening metal
- hardening
- pipe
- 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.)
- Granted
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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
- C21D1/64—Quenching devices for bath quenching with circulating liquids
-
- 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
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/085—Cooling or quenching
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1984/000049 WO1985003726A1 (en) | 1984-02-17 | 1984-02-17 | Apparatus for dip-hardening metal pipe |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0172250A1 EP0172250A1 (en) | 1986-02-26 |
EP0172250A4 true EP0172250A4 (en) | 1987-08-24 |
EP0172250B1 EP0172250B1 (en) | 1992-05-06 |
Family
ID=13818243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19840900872 Expired EP0172250B1 (en) | 1984-02-17 | 1984-02-17 | Apparatus for dip-hardening metal pipe |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0172250B1 (en) |
DE (1) | DE3485709D1 (en) |
WO (1) | WO1985003726A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR9200504A (en) * | 1992-02-14 | 1993-08-17 | Mannesmann Sa | EQUIPMENT AND PROCESS FOR TEMPERING STEEL PIPES |
US5626693A (en) * | 1995-07-19 | 1997-05-06 | Neturen Co., Ltd. | Method and apparatus for quenching a tubular workpiece |
DE69916426D1 (en) * | 1999-05-07 | 2004-05-19 | Ermat Tassin La Demi Lune | Device for rotating cylindrical bars during a quenching process |
CN106636597B (en) * | 2016-12-25 | 2018-03-20 | 重庆润跃机械有限公司 | Gear quenching processing unit |
IT201700025495A1 (en) * | 2017-03-08 | 2018-09-08 | Gf Elti S R L | Equipment for supporting metal pipes during their immersion in cooling tanks in carrying out heat treatments. |
IT201700025512A1 (en) * | 2017-03-08 | 2018-09-08 | Gf Elti S R L | Apparatus for supporting and rotating, around their axis, bodies with an elongated shape, particularly for supporting and rotating metal tubes during their cooling in the execution of heat treatments. |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1245799A (en) * | 1967-11-27 | 1971-09-08 | Ilse Wewer | Shaft tempering and straightening machine and a method of straightening workpieces |
GB2100292A (en) * | 1981-05-06 | 1982-12-22 | Nippon Kokan Kk | Quenching method and apparatus for steel pipes |
GB2123040A (en) * | 1982-07-07 | 1984-01-25 | Mannesmann Ag | Method of and apparatus for chilling and hardening heated pipes |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5383910A (en) * | 1976-12-29 | 1978-07-24 | Nippon Steel Corp | Immersion cooling apparatus for high temperatus matallic pipe |
JPS5923819A (en) * | 1982-07-30 | 1984-02-07 | Kawasaki Steel Corp | Cooling method of pipe material |
JPS6039733B2 (en) * | 1982-08-19 | 1985-09-07 | 川崎製鉄株式会社 | Pipe inner surface cooling water injection timing determining device for steel pipe immersion hardening equipment |
-
1984
- 1984-02-17 EP EP19840900872 patent/EP0172250B1/en not_active Expired
- 1984-02-17 DE DE8484900872T patent/DE3485709D1/en not_active Expired - Fee Related
- 1984-02-17 WO PCT/JP1984/000049 patent/WO1985003726A1/en active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1245799A (en) * | 1967-11-27 | 1971-09-08 | Ilse Wewer | Shaft tempering and straightening machine and a method of straightening workpieces |
GB2100292A (en) * | 1981-05-06 | 1982-12-22 | Nippon Kokan Kk | Quenching method and apparatus for steel pipes |
GB2123040A (en) * | 1982-07-07 | 1984-01-25 | Mannesmann Ag | Method of and apparatus for chilling and hardening heated pipes |
Non-Patent Citations (1)
Title |
---|
See also references of WO8503726A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0172250B1 (en) | 1992-05-06 |
WO1985003726A1 (en) | 1985-08-29 |
DE3485709D1 (en) | 1992-06-11 |
EP0172250A1 (en) | 1986-02-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
17P | Request for examination filed |
Effective date: 19851014 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB Designated state(s): DE FR GB |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 19870824 |
|
17Q | First examination report despatched |
Effective date: 19890224 |
|
GRAA | (expected) grant |
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AK | Designated contracting states |
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REF | Corresponds to: |
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ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
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STAA | Information on the status of an ep patent application or granted ep patent |
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26N | No opposition filed | ||
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GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 19990217 |
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PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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