CN101248305B - 管道接头 - Google Patents

管道接头 Download PDF

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Publication number
CN101248305B
CN101248305B CN2006800312011A CN200680031201A CN101248305B CN 101248305 B CN101248305 B CN 101248305B CN 2006800312011 A CN2006800312011 A CN 2006800312011A CN 200680031201 A CN200680031201 A CN 200680031201A CN 101248305 B CN101248305 B CN 101248305B
Authority
CN
China
Prior art keywords
pipe
fitting
nut
gripping member
annular
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.)
Expired - Fee Related
Application number
CN2006800312011A
Other languages
English (en)
Chinese (zh)
Other versions
CN101248305A (zh
Inventor
P·C·威廉斯
G·A·卡尔森
A·P·马沙尔
M·A·克拉森
M·A·本内特
J·A·鲁宾斯基
M·D·比雷尔
D·C·阿斯泰因
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Swagelok Co
Original Assignee
Swagelok Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Swagelok Co filed Critical Swagelok Co
Publication of CN101248305A publication Critical patent/CN101248305A/zh
Application granted granted Critical
Publication of CN101248305B publication Critical patent/CN101248305B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
    • F16L19/08—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe
    • 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
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
    • F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
    • F16L19/061—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends a pressure ring being arranged between the clamping ring and the threaded member or the connecting member
    • 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
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
    • F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
    • 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
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
    • F16L19/08—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe
    • F16L19/083—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the longitudinal cross-section of the ring not being modified during clamping
    • 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
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
    • F16L19/08—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe
    • F16L19/083—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the longitudinal cross-section of the ring not being modified during clamping
    • F16L19/086—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the longitudinal cross-section of the ring not being modified during clamping with additional sealing means
    • 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
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
    • F16L19/08—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe
    • F16L19/10—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered
    • 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
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
    • F16L19/08—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe
    • F16L19/10—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered
    • F16L19/103—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered with more than one ring per pipe end being used
    • 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
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
    • F16L19/08—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe
    • F16L19/10—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered
    • F16L19/106—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered the ring comprising a shoulder against which the pipe end abuts
    • 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
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
    • F16L19/08—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe
    • F16L19/10—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered
    • F16L19/12—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered with additional sealing means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/67—Thimble: screw or cam

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Joints With Pressure Members (AREA)
  • Joints With Sleeves (AREA)
CN2006800312011A 2005-06-27 2006-06-26 管道接头 Expired - Fee Related CN101248305B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US69418505P 2005-06-27 2005-06-27
US60/694,185 2005-06-27
PCT/US2006/024776 WO2007002576A2 (en) 2005-06-27 2006-06-26 Tube fitting

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN2011100351201A Division CN102141175A (zh) 2005-06-27 2006-06-26 管道接头

Publications (2)

Publication Number Publication Date
CN101248305A CN101248305A (zh) 2008-08-20
CN101248305B true CN101248305B (zh) 2011-04-06

Family

ID=37308775

Family Applications (2)

Application Number Title Priority Date Filing Date
CN2006800312011A Expired - Fee Related CN101248305B (zh) 2005-06-27 2006-06-26 管道接头
CN2011100351201A Pending CN102141175A (zh) 2005-06-27 2006-06-26 管道接头

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN2011100351201A Pending CN102141175A (zh) 2005-06-27 2006-06-26 管道接头

Country Status (7)

Country Link
US (2) US20100133812A1 (enExample)
EP (1) EP1896759A2 (enExample)
JP (1) JP2008546966A (enExample)
KR (1) KR20080021807A (enExample)
CN (2) CN101248305B (enExample)
CA (1) CA2613120A1 (enExample)
WO (1) WO2007002576A2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106641538A (zh) * 2015-11-04 2017-05-10 塑胶制造公司 非终止双封闭配件

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7407196B2 (en) 2003-08-06 2008-08-05 Swagelok Company Tube fitting with separable tube gripping device
US7497483B2 (en) 2004-04-22 2009-03-03 Swagelok Company Fitting for tube and pipe with cartridge
WO2008030375A2 (en) 2006-09-01 2008-03-13 Swagelok Company Fitting for fluid conduits
EP2078170A1 (en) 2006-11-02 2009-07-15 Swagelok Company Pull-up by torque fitting
EP2006589B1 (en) 2007-06-22 2011-08-31 Tenaris Connections Aktiengesellschaft Threaded joint with energizable seal
WO2009003015A1 (en) 2007-06-26 2008-12-31 Swagelok Company Apparatus and method of zero clearance connection with optional sensing function
US8439404B2 (en) 2007-06-26 2013-05-14 Swagelok Company Conduit connection with sensing function
EP2017507B1 (en) 2007-07-16 2016-06-01 Tenaris Connections Limited Threaded joint with resilient seal ring
WO2009012479A1 (en) 2007-07-19 2009-01-22 Swagelok Company Coated seals
DE112008002088T5 (de) 2007-08-03 2010-09-09 Swagelok Company, Solon Ringzwingenanschluss mit drehmomentbasiertem Aufziehen
WO2010006138A2 (en) * 2008-07-11 2010-01-14 Swagelok Company Modular fitting with gripping device for conduits
EP2243920A1 (en) 2009-04-22 2010-10-27 Tenaris Connections Aktiengesellschaft Threaded joint for tubes, pipes and the like
JP5091191B2 (ja) * 2009-05-22 2012-12-05 東尾メック株式会社 管継手
EP2325435B2 (en) 2009-11-24 2020-09-30 Tenaris Connections B.V. Threaded joint sealed to [ultra high] internal and external pressures
EP2372211B1 (en) 2010-03-26 2015-06-03 Tenaris Connections Ltd. Thin-walled pipe joint and method to couple a first pipe to a second pipe
US9163296B2 (en) 2011-01-25 2015-10-20 Tenaris Coiled Tubes, Llc Coiled tube with varying mechanical properties for superior performance and methods to produce the same by a continuous heat treatment
US9470347B1 (en) 2011-06-08 2016-10-18 AGS I-Prop., LLC Fluid line connector
KR101397531B1 (ko) * 2012-01-27 2014-05-20 박애경 공기 조화기 설치용 배관 장치
CA2897451C (en) 2013-01-11 2019-10-01 Tenaris Connections Limited Galling resistant drill pipe tool joint and corresponding drill pipe
US9803256B2 (en) 2013-03-14 2017-10-31 Tenaris Coiled Tubes, Llc High performance material for coiled tubing applications and the method of producing the same
CA2844011C (en) * 2013-03-14 2019-07-23 Handy & Harman Drain seal
EP2789701A1 (en) 2013-04-08 2014-10-15 DALMINE S.p.A. High strength medium wall quenched and tempered seamless steel pipes and related method for manufacturing said steel pipes
EP2789700A1 (en) 2013-04-08 2014-10-15 DALMINE S.p.A. Heavy wall quenched and tempered seamless steel pipes and related method for manufacturing said steel pipes
WO2014205246A2 (en) * 2013-06-19 2014-12-24 Parker-Hannifin Corporation High strength flexible ferrule
US11105501B2 (en) 2013-06-25 2021-08-31 Tenaris Connections B.V. High-chromium heat-resistant steel
KR101397532B1 (ko) * 2013-11-26 2014-05-20 박애경 공기 조화기 설치용 배관 장치
US9822901B2 (en) * 2014-06-25 2017-11-21 Ge Oil & Gas Pressure Control Lp Actuator adapter for bonnet nub stem design
KR102390780B1 (ko) 2015-03-06 2022-04-25 스와겔로크 컴패니 커플링에서 변형 검출을 위한 시스템 및 방법
US20160305192A1 (en) 2015-04-14 2016-10-20 Tenaris Connections Limited Ultra-fine grained steels having corrosion-fatigue resistance
KR102269483B1 (ko) * 2015-05-12 2021-06-28 엘지전자 주식회사 냉매 배관용 커넥터
US10074915B2 (en) * 2016-04-27 2018-09-11 Thomas & Betts International Llc Through roof connector assembly
US11124852B2 (en) 2016-08-12 2021-09-21 Tenaris Coiled Tubes, Llc Method and system for manufacturing coiled tubing
CN107859797B (zh) * 2017-11-09 2019-08-13 江苏沪宝船舶机械有限公司 一种用于不锈钢加工的设备
CN107883102B (zh) * 2017-11-09 2019-04-02 王敏晓 一种熔炼设备
CN109869549A (zh) * 2019-04-23 2019-06-11 中国工程物理研究院总体工程研究所 一种可拆卸抱管密封连接结构
KR102035976B1 (ko) * 2019-05-24 2019-10-23 피피아이평화 주식회사 원터치 결합 구조 및 풀림 방지 구조를 갖는 이음관
US11204114B2 (en) 2019-11-22 2021-12-21 Trinity Bay Equipment Holdings, LLC Reusable pipe fitting systems and methods
JP6730759B1 (ja) * 2020-03-03 2020-07-29 井上スダレ株式会社 冷媒用管継手構造
CN111980182B (zh) * 2020-08-21 2021-11-05 萧云建设股份有限公司 一种厨卫间预留洞防渗漏结构及其施工方法
CN115092695A (zh) * 2022-07-14 2022-09-23 厦门烟草工业有限责任公司 滤棒输送管、滤棒收发装置及卷烟生产系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1595310A (en) * 1920-01-09 1926-08-10 Adolph Mueller Compression coupling
US2693374A (en) * 1950-05-05 1954-11-02 Paul D Wurzburger Pipe coupling with deformable ring for flareless pipe
US2823935A (en) * 1953-01-23 1958-02-18 Paul D Wurzburger Pipe coupling with deformable ring for flareless pipe
DE4041679A1 (de) * 1990-12-22 1992-06-25 Voss Armaturen Rohrverschraubung
CN1182179A (zh) * 1997-04-23 1998-05-20 孔繁梅 用于卡套式液压管接头的密封方法

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GB134796A (en) * 1919-07-21 1919-11-13 Frank Edward Baker Improvements relating to Rear Wheel Stands for Motor Cycles.
US1440207A (en) * 1920-03-26 1922-12-26 John A Burns Device for holding cylindrical bodies, such as pipes, rods, and the like against endwise movement
US2995388A (en) * 1959-04-03 1961-08-08 Cannon Electric Co Gripping device
US3140107A (en) * 1960-11-28 1964-07-07 Earl E Howe Tube coupling having sealing and anchoring means
GB1195723A (en) * 1967-03-30 1970-06-24 Girling Ltd Improvements in or relating to Pipe Connections
US3365219A (en) * 1967-05-25 1968-01-23 Eclipse Fuel Eng Co Pressure fitting for a tube joint
US3697102A (en) * 1970-12-09 1972-10-10 Jay F Falke Tubing coupling
US4573713A (en) * 1982-11-22 1986-03-04 Shell Oil Company Belle-lock grip device
GB2234306A (en) * 1989-07-25 1991-01-30 Sergio Marius Julius Meli Pipe fittings
GB9014547D0 (en) * 1990-06-29 1990-08-22 Drallim Ind Compression coupling for pipes or shafts
JP3044224B2 (ja) * 1994-02-08 2000-05-22 郷田 元宏 管の接続構造
US5725259A (en) * 1996-12-19 1998-03-10 Dials; Carroll P. Conduit coupling
US6165597A (en) * 1998-08-12 2000-12-26 Swagelok Company Selective case hardening processes at low temperature
US20030155045A1 (en) * 2002-02-05 2003-08-21 Williams Peter C. Lubricated low temperature carburized stainless steel parts
US20060151069A1 (en) * 2005-01-10 2006-07-13 Williams Peter C Carburization of ferrous-based shape memory alloys

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1595310A (en) * 1920-01-09 1926-08-10 Adolph Mueller Compression coupling
US2693374A (en) * 1950-05-05 1954-11-02 Paul D Wurzburger Pipe coupling with deformable ring for flareless pipe
US2823935A (en) * 1953-01-23 1958-02-18 Paul D Wurzburger Pipe coupling with deformable ring for flareless pipe
DE4041679A1 (de) * 1990-12-22 1992-06-25 Voss Armaturen Rohrverschraubung
CN1182179A (zh) * 1997-04-23 1998-05-20 孔繁梅 用于卡套式液压管接头的密封方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106641538A (zh) * 2015-11-04 2017-05-10 塑胶制造公司 非终止双封闭配件

Also Published As

Publication number Publication date
KR20080021807A (ko) 2008-03-07
WO2007002576A3 (en) 2007-03-15
CA2613120A1 (en) 2007-01-04
JP2008546966A (ja) 2008-12-25
CN102141175A (zh) 2011-08-03
US20120187678A1 (en) 2012-07-26
EP1896759A2 (en) 2008-03-12
WO2007002576A2 (en) 2007-01-04
US20100133812A1 (en) 2010-06-03
CN101248305A (zh) 2008-08-20

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110406

Termination date: 20120626