WO2008111200A1 - シームレス鋼管、シームレス鋼管を用いた中空ばねおよびその製造方法 - Google Patents
シームレス鋼管、シームレス鋼管を用いた中空ばねおよびその製造方法 Download PDFInfo
- Publication number
- WO2008111200A1 WO2008111200A1 PCT/JP2007/055133 JP2007055133W WO2008111200A1 WO 2008111200 A1 WO2008111200 A1 WO 2008111200A1 JP 2007055133 W JP2007055133 W JP 2007055133W WO 2008111200 A1 WO2008111200 A1 WO 2008111200A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- steel pipe
- seamless steel
- manufacturing
- heating
- hollow spring
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title abstract 11
- 239000010959 steel Substances 0.000 title abstract 11
- 238000004519 manufacturing process Methods 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 3
- 238000000886 hydrostatic extrusion Methods 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 1
- 238000005554 pickling Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/42—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for step-by-step or planetary rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/007—Hydrostatic extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/085—Making tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F3/00—Coiling wire into particular forms
- B21F3/02—Coiling wire into particular forms helically
-
- 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
-
- 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
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/042—Wound springs characterised by the cross-section of the wire
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/06—Wound springs with turns lying in cylindrical surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/18—Leaf springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Springs (AREA)
- Heat Treatment Of Steel (AREA)
- Extrusion Of Metal (AREA)
Abstract
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020137018976A KR20130093172A (ko) | 2007-03-14 | 2007-03-14 | 심레스 강관을 이용한 중공 스프링 |
CN2007800521539A CN101626848B (zh) | 2007-03-14 | 2007-03-14 | 无缝钢管、使用无缝钢管的中空弹簧及其制造方法 |
EP13191278.4A EP2703097B1 (en) | 2007-03-14 | 2007-03-14 | Process for manufacturing seamless steel pipe |
PCT/JP2007/055133 WO2008111200A1 (ja) | 2007-03-14 | 2007-03-14 | シームレス鋼管、シームレス鋼管を用いた中空ばねおよびその製造方法 |
US12/530,709 US20100037976A1 (en) | 2007-03-14 | 2007-03-14 | Seamless steel pipe, hollow spring utilizing seamless steel pipe, and process for manufacturing the same |
KR1020097020732A KR20100015369A (ko) | 2007-03-14 | 2007-03-14 | 심레스 강관, 심레스 강관을 이용한 중공 스프링 및 그 제조방법 |
EP07738603.5A EP2145705B1 (en) | 2007-03-14 | 2007-03-14 | Seamless steel pipe and hollow spring utilizing the seamless steel pipe |
KR1020137018983A KR20130087626A (ko) | 2007-03-14 | 2007-03-14 | 심레스 강관의 제조방법 |
US13/892,009 US9482302B2 (en) | 2007-03-14 | 2013-05-10 | Process for manufacturing seamless steel pipe, hollow spring utilizing seamless steel pipe |
US14/453,747 US10118208B2 (en) | 2007-03-14 | 2014-08-07 | Hollow spring utilizing seamless steel pipe |
US15/268,268 US20170001226A1 (en) | 2007-03-14 | 2016-09-16 | Process for manufacturing seamless steel pipe, hollow spring utilizing seamless steel pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/055133 WO2008111200A1 (ja) | 2007-03-14 | 2007-03-14 | シームレス鋼管、シームレス鋼管を用いた中空ばねおよびその製造方法 |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/530,709 A-371-Of-International US20100037976A1 (en) | 2007-03-14 | 2007-03-14 | Seamless steel pipe, hollow spring utilizing seamless steel pipe, and process for manufacturing the same |
US13/892,009 Division US9482302B2 (en) | 2007-03-14 | 2013-05-10 | Process for manufacturing seamless steel pipe, hollow spring utilizing seamless steel pipe |
US14/453,747 Division US10118208B2 (en) | 2007-03-14 | 2014-08-07 | Hollow spring utilizing seamless steel pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008111200A1 true WO2008111200A1 (ja) | 2008-09-18 |
Family
ID=39759151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/055133 WO2008111200A1 (ja) | 2007-03-14 | 2007-03-14 | シームレス鋼管、シームレス鋼管を用いた中空ばねおよびその製造方法 |
Country Status (5)
Country | Link |
---|---|
US (4) | US20100037976A1 (ja) |
EP (2) | EP2145705B1 (ja) |
KR (3) | KR20100015369A (ja) |
CN (1) | CN101626848B (ja) |
WO (1) | WO2008111200A1 (ja) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011108675A1 (ja) * | 2010-03-04 | 2011-09-09 | 株式会社神戸製鋼所 | 高強度中空ばね用シームレス鋼管 |
JP2011184705A (ja) * | 2010-03-04 | 2011-09-22 | Kobe Steel Ltd | 高強度中空ばね用シームレス鋼管の製造方法 |
US20120070682A1 (en) * | 2009-05-15 | 2012-03-22 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Hollow seamless pipe for high-strength springs |
JP2012111979A (ja) * | 2010-11-19 | 2012-06-14 | Kobe Steel Ltd | 高強度中空ばね用シームレス鋼管 |
RU2479371C1 (ru) * | 2011-10-07 | 2013-04-20 | Открытое акционерное общество Акционерная холдинговая компания "Всероссийский научно-исследовательский и проектно-конструкторский институт металлургического машиностроения имени академика Целикова" (ОАО АХК "ВНИИМЕТМАШ") | Инструмент для прессования труб на вертикальном прессе |
CN103287478A (zh) * | 2013-06-19 | 2013-09-11 | 常州机电职业技术学院 | 一种转向机扭杆及其制造方法 |
CN105506247A (zh) * | 2015-12-24 | 2016-04-20 | 大连德迈仕精密科技股份有限公司 | 一种skh-51高速钢的深层脱碳工艺 |
CN111664615A (zh) * | 2020-06-16 | 2020-09-15 | 寇引霞 | 一种h型钢生产线 |
CN112570448A (zh) * | 2020-11-27 | 2021-03-30 | 中北大学 | 一种大型带内筋带导轨的矩形型材制造设备 |
CN113182373A (zh) * | 2021-05-18 | 2021-07-30 | 山西太钢不锈钢股份有限公司 | 一种镍基合金无缝钢管的挤压方法 |
Families Citing this family (24)
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---|---|---|---|---|
US20100289198A1 (en) * | 2009-04-28 | 2010-11-18 | Pete Balsells | Multilayered canted coil springs and associated methods |
JP5550405B2 (ja) * | 2010-03-23 | 2014-07-16 | 中央発條株式会社 | ばねの製造方法 |
JP5631184B2 (ja) * | 2010-12-03 | 2014-11-26 | 日本発條株式会社 | 中空ばねおよびその製造方法 |
DE102012108643A1 (de) * | 2012-09-14 | 2014-03-20 | Sandvik Materials Technology Deutschland Gmbh | Pilgerwalzstraße |
KR101396544B1 (ko) * | 2012-10-22 | 2014-05-20 | 부곡스텐레스(주) | 이형 중공소재를 이용한 피팅류 제조방법 |
US10413951B2 (en) | 2015-09-14 | 2019-09-17 | Seyed Sajjad Jamali | Hydrostatic extrusion system and method for producing high strength seamless pipes |
CN105344731B (zh) * | 2015-10-15 | 2018-03-16 | 攀钢集团江油长城特殊钢有限公司 | 一种tc11钛合金无缝管及其制备方法 |
CN108884893B (zh) | 2016-03-30 | 2020-06-12 | 日本发条株式会社 | 中空螺旋弹簧和车辆用悬架装置 |
EP3438495B1 (en) * | 2016-03-30 | 2022-01-12 | NHK Spring Co., Ltd. | Hollow spring member |
US10252398B2 (en) * | 2016-06-06 | 2019-04-09 | Superior Shot Peening, Inc. | Tools and related methods for cold working fluid ends |
US9844852B1 (en) | 2016-06-06 | 2017-12-19 | Superior Shot Peening, Inc. | Shot peening tools and related methods |
DE102016111591A1 (de) * | 2016-06-24 | 2017-12-28 | Sandvik Materials Technology Deutschland Gmbh | Verfahren zum Umformen einer Luppe aus einer ferritischen FeCrAl-Legierung in ein Rohr |
KR102391001B1 (ko) * | 2017-04-07 | 2022-04-27 | 현대자동차주식회사 | 복합재 코일 스프링 및 그 제조방법 |
WO2019003397A1 (ja) * | 2017-06-28 | 2019-01-03 | 三菱製鋼株式会社 | 中空スタビライザーの製造方法 |
CN107191519A (zh) * | 2017-06-29 | 2017-09-22 | 太仓市惠得利弹簧有限公司 | 一种长寿命扭转弹簧 |
CN107350741A (zh) * | 2017-07-14 | 2017-11-17 | 南通盛立德金属材料科技有限公司 | 不锈钢管的制造方法 |
JP6881613B2 (ja) * | 2018-01-22 | 2021-06-02 | 日本製鉄株式会社 | 浸炭軸受鋼部品、および浸炭軸受鋼部品用棒鋼 |
CN109013704A (zh) * | 2018-08-04 | 2018-12-18 | 青岛浩檀汽车配件有限公司 | 无缝钢管制作工艺 |
KR102182138B1 (ko) * | 2018-11-29 | 2020-11-23 | 국제희토류금속 주식회사 | 다중 구조 심레스 피복관의 내외면 표면 클리닝 및 응력 제거방법 |
US11805945B2 (en) | 2019-09-18 | 2023-11-07 | Robert G. Nothum, Jr. | Heat exchange tubes for fryer in food process line |
WO2021145474A1 (ko) * | 2020-01-14 | 2021-07-22 | 국제희토류금속 주식회사 | 다중 구조 심레스 피복관의 내외면 표면 클리닝 및 응력 제거방법 |
CN113528930B (zh) * | 2020-04-21 | 2022-09-16 | 江苏金力弹簧科技有限公司 | 一种冲压弹簧片及其生产工艺 |
CN112620369B (zh) * | 2020-12-01 | 2022-11-22 | 浙江骏达钢管制造有限公司 | 一种高性能不锈钢无缝钢管的加工装置 |
CN113333498A (zh) * | 2021-04-28 | 2021-09-03 | 孟祥平 | 一种不锈钢无缝钢管的自动加工工艺 |
Citations (7)
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JPH01247532A (ja) | 1988-03-29 | 1989-10-03 | Sumitomo Metal Ind Ltd | スプリング用継目無鋼管の製造方法 |
JPH0663613A (ja) * | 1992-06-19 | 1994-03-08 | Nkk Corp | 自動車用継目無鋼管の製造法 |
JPH0739908A (ja) * | 1993-07-30 | 1995-02-10 | Nippon Steel Corp | 表面疵発生の少ない継目無鋼管圧延方法 |
JPH10286617A (ja) * | 1997-04-14 | 1998-10-27 | Sanyo Special Steel Co Ltd | 中空スタビライザーバーの製造法 |
JP2003062604A (ja) * | 2001-08-28 | 2003-03-05 | Sanyo Special Steel Co Ltd | 打抜き性に優れた鋼管の製造方法 |
JP2004346402A (ja) * | 2003-05-23 | 2004-12-09 | Sumitomo Electric Ind Ltd | ばね用鋼材の製鋼精錬方法 |
JP2005002365A (ja) * | 2003-06-09 | 2005-01-06 | Chuo Spring Co Ltd | 高強度スタビライザ |
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FR2058777A5 (ja) * | 1969-09-25 | 1971-05-28 | Cefilac | |
DE2346899C2 (de) | 1972-09-19 | 1985-01-03 | Kobe Steel, Ltd., Kobe, Hyogo | Hydrostatische Strangpresse |
JPS5154860A (en) * | 1974-10-18 | 1976-05-14 | Kobe Steel Ltd | Aruminiumu oyobi sonogokinnokoonseisuiatsuoshidashihoho |
US4445350A (en) * | 1980-11-29 | 1984-05-01 | Kabushiki Kaisha Kobe Seiko Sho | Extrusion method using hot lubricant |
JPH06128628A (ja) * | 1992-10-16 | 1994-05-10 | Toyota Motor Corp | 高強度中空鋼管の製造方法 |
JPH07266837A (ja) * | 1994-03-29 | 1995-10-17 | Horikiri Bane Seisakusho:Kk | 中空スタビライザの製造法 |
US5853502A (en) * | 1995-08-11 | 1998-12-29 | Sumitomo Metal Industries, Ltd. | Carburizing steel and steel products manufactured making use of the carburizing steel |
ES2325351T3 (es) * | 1999-06-08 | 2009-09-02 | Nhk Spring Co., Ltd. | Resorte de gran resistencia y procedimiento de fabricacion del mismo. |
JP4442784B2 (ja) * | 2000-01-26 | 2010-03-31 | 臼井国際産業株式会社 | 高疲労強度鋼材およびその製造方法 |
AR048214A1 (es) * | 2004-02-05 | 2006-04-12 | Sumitomo Metal Ind | Tubos de acero sin costura terminados en frio |
JP4612527B2 (ja) | 2005-11-04 | 2011-01-12 | 日本発條株式会社 | 中空ばね |
JP4705456B2 (ja) | 2005-11-04 | 2011-06-22 | 神鋼メタルプロダクツ株式会社 | シームレス鋼管およびその製造方法 |
-
2007
- 2007-03-14 EP EP07738603.5A patent/EP2145705B1/en not_active Not-in-force
- 2007-03-14 US US12/530,709 patent/US20100037976A1/en not_active Abandoned
- 2007-03-14 KR KR1020097020732A patent/KR20100015369A/ko active Search and Examination
- 2007-03-14 CN CN2007800521539A patent/CN101626848B/zh not_active Expired - Fee Related
- 2007-03-14 WO PCT/JP2007/055133 patent/WO2008111200A1/ja active Application Filing
- 2007-03-14 EP EP13191278.4A patent/EP2703097B1/en active Active
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Also Published As
Publication number | Publication date |
---|---|
KR20100015369A (ko) | 2010-02-12 |
US20130239637A1 (en) | 2013-09-19 |
EP2145705B1 (en) | 2016-08-24 |
US10118208B2 (en) | 2018-11-06 |
EP2145705A4 (en) | 2013-04-24 |
EP2703097B1 (en) | 2019-05-01 |
US9482302B2 (en) | 2016-11-01 |
US20140346721A1 (en) | 2014-11-27 |
EP2145705A1 (en) | 2010-01-20 |
US20170001226A1 (en) | 2017-01-05 |
CN101626848A (zh) | 2010-01-13 |
US20100037976A1 (en) | 2010-02-18 |
KR20130093172A (ko) | 2013-08-21 |
CN101626848B (zh) | 2012-04-04 |
KR20130087626A (ko) | 2013-08-06 |
EP2703097A1 (en) | 2014-03-05 |
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