IT1224745B - Giunto a tenuta ermetica metallica per tubi - Google Patents

Giunto a tenuta ermetica metallica per tubi

Info

Publication number
IT1224745B
IT1224745B IT8848411A IT4841188A IT1224745B IT 1224745 B IT1224745 B IT 1224745B IT 8848411 A IT8848411 A IT 8848411A IT 4841188 A IT4841188 A IT 4841188A IT 1224745 B IT1224745 B IT 1224745B
Authority
IT
Italy
Prior art keywords
pipes
hermetic seal
seal joint
metallic hermetic
metallic
Prior art date
Application number
IT8848411A
Other languages
English (en)
Other versions
IT8848411A0 (it
Inventor
Cappelli Cataldo
Morlotti Norberto
Original Assignee
Dalmine Spa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11266388&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1224745(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of IT8848411A0 publication Critical patent/IT8848411A0/it
Priority to IT8848411A priority Critical patent/IT1224745B/it
Application filed by Dalmine Spa filed Critical Dalmine Spa
Priority to NO893657A priority patent/NO301852B1/no
Priority to CN89107552A priority patent/CN1015198B/zh
Priority to CA000614142A priority patent/CA1321808C/en
Priority to CS895547A priority patent/CZ278300B6/cs
Priority to KR1019890014183A priority patent/KR950000608B1/ko
Priority to US07/414,925 priority patent/US4958862A/en
Priority to AT89830425T priority patent/ATE124769T1/de
Priority to EP89830425A priority patent/EP0364413B1/en
Priority to JP1252512A priority patent/JP3062820B2/ja
Priority to DE68923338T priority patent/DE68923338T2/de
Priority to ES89830425T priority patent/ES2014954T3/es
Priority to SK5547-89A priority patent/SK278341B6/sk
Priority to DE198989830425T priority patent/DE364413T1/de
Priority to MYPI89001341A priority patent/MY104226A/en
Priority to SU894742067A priority patent/RU2058505C1/ru
Priority to RO141851A priority patent/RO113763B1/ro
Priority to BR898905142A priority patent/BR8905142A/pt
Priority to MX017801A priority patent/MX174243B/es
Priority to OA59657A priority patent/OA09097A/xx
Priority to DE8911779U priority patent/DE8911779U1/de
Priority to YU191689A priority patent/YU47908B/sh
Priority to AR89315080A priority patent/AR248447A1/es
Priority to DD89333271A priority patent/DD284955A5/de
Publication of IT1224745B publication Critical patent/IT1224745B/it
Application granted granted Critical
Priority to HRP-1916/89A priority patent/HRP940489B1/xx
Priority to GR950402718T priority patent/GR3017605T3/el
Priority to HK98104486A priority patent/HK1005320A1/xx

Links

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
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/02—Screw-threaded joints; Forms of screw-threads for such joints allowing substantial longitudinal adjustment by use of a long screw-threaded part
    • 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
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/001—Screw-threaded joints; Forms of screw-threads for such joints with conical threads
    • F16L15/004—Screw-threaded joints; Forms of screw-threads for such joints with conical threads with axial sealings having at least one plastically deformable sealing surface
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Gasket Seals (AREA)
  • Joints With Pressure Members (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Earth Drilling (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Joints With Sleeves (AREA)
IT8848411A 1988-10-03 1988-10-03 Giunto a tenuta ermetica metallica per tubi IT1224745B (it)

Priority Applications (27)

Application Number Priority Date Filing Date Title
IT8848411A IT1224745B (it) 1988-10-03 1988-10-03 Giunto a tenuta ermetica metallica per tubi
NO893657A NO301852B1 (no) 1988-10-03 1989-09-13 Hermetisk rörskjöt av metall
CN89107552A CN1015198B (zh) 1988-10-03 1989-09-28 密封式金属管接头
CA000614142A CA1321808C (en) 1988-10-03 1989-09-28 Hermetic metal pipe joint
DE198989830425T DE364413T1 (de) 1988-10-03 1989-09-29 Hermetische metallrohrverbindung.
KR1019890014183A KR950000608B1 (ko) 1988-10-03 1989-09-29 밀폐형 금속 파이프 조인트
CS895547A CZ278300B6 (en) 1988-10-03 1989-09-29 Pressure-tight joint of metal tubes
US07/414,925 US4958862A (en) 1988-10-03 1989-09-29 Hermetic metal pipe joint
AT89830425T ATE124769T1 (de) 1988-10-03 1989-09-29 Hermetische metallrohrverbindung.
EP89830425A EP0364413B1 (en) 1988-10-03 1989-09-29 Hermetic metal pipe joint
JP1252512A JP3062820B2 (ja) 1988-10-03 1989-09-29 気密性金属パイプ継手
DE68923338T DE68923338T2 (de) 1988-10-03 1989-09-29 Hermetische Metallrohrverbindung.
ES89830425T ES2014954T3 (es) 1988-10-03 1989-09-29 Union hermetica de tubos de metal.
SK5547-89A SK278341B6 (en) 1988-10-03 1989-09-29 Hermetic connection of metal pipes
MYPI89001341A MY104226A (en) 1988-10-03 1989-10-02 Hermetic metal pipe joint.
SU894742067A RU2058505C1 (ru) 1988-10-03 1989-10-02 Герметичное соединение металлических труб
YU191689A YU47908B (sh) 1988-10-03 1989-10-03 Hermetički metalni spoj cevi
DD89333271A DD284955A5 (de) 1988-10-03 1989-10-03 Hermetische metallrohrverbindung
BR898905142A BR8905142A (pt) 1988-10-03 1989-10-03 Junta de vedacao hermetica metalica para tubos
MX017801A MX174243B (es) 1988-10-03 1989-10-03 Junta de tuberia de metal hermetica
OA59657A OA09097A (en) 1988-10-03 1989-10-03 Hermetic metal pipe joint.
DE8911779U DE8911779U1 (de) 1988-10-03 1989-10-03 Hermetische Metallrohrverbindung
RO141851A RO113763B1 (ro) 1988-10-03 1989-10-03 Imbinare etansa pentru conducte metalice
AR89315080A AR248447A1 (es) 1988-10-03 1989-10-03 Acople de sello metalico hermetico para tuberias.
HRP-1916/89A HRP940489B1 (en) 1988-10-03 1994-08-31 Hermetic metal pipe joint
GR950402718T GR3017605T3 (en) 1988-10-03 1995-10-03 Hermetic metal pipe joint.
HK98104486A HK1005320A1 (en) 1988-10-03 1998-05-25 Hermetic metal pipe joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8848411A IT1224745B (it) 1988-10-03 1988-10-03 Giunto a tenuta ermetica metallica per tubi

Publications (2)

Publication Number Publication Date
IT8848411A0 IT8848411A0 (it) 1988-10-03
IT1224745B true IT1224745B (it) 1990-10-18

Family

ID=11266388

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8848411A IT1224745B (it) 1988-10-03 1988-10-03 Giunto a tenuta ermetica metallica per tubi

Country Status (25)

Country Link
US (1) US4958862A (it)
EP (1) EP0364413B1 (it)
JP (1) JP3062820B2 (it)
KR (1) KR950000608B1 (it)
CN (1) CN1015198B (it)
AR (1) AR248447A1 (it)
AT (1) ATE124769T1 (it)
BR (1) BR8905142A (it)
CA (1) CA1321808C (it)
CZ (1) CZ278300B6 (it)
DD (1) DD284955A5 (it)
DE (3) DE364413T1 (it)
ES (1) ES2014954T3 (it)
GR (1) GR3017605T3 (it)
HK (1) HK1005320A1 (it)
HR (1) HRP940489B1 (it)
IT (1) IT1224745B (it)
MX (1) MX174243B (it)
MY (1) MY104226A (it)
NO (1) NO301852B1 (it)
OA (1) OA09097A (it)
RO (1) RO113763B1 (it)
RU (1) RU2058505C1 (it)
SK (1) SK278341B6 (it)
YU (1) YU47908B (it)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5338074A (en) * 1989-03-02 1994-08-16 The Hydril Company Threaded pipe connection
US5415442A (en) * 1992-03-09 1995-05-16 Marubeni Tubulars, Inc. Stabilized center-shoulder-sealed tubular connection
US5848813A (en) * 1993-10-21 1998-12-15 Albrecht; David E. Threaded port for fluid flow connection
FR2725773B1 (fr) * 1994-10-13 1996-11-29 Vallourec Oil & Gas Assemblage filete pour tubes
US5649725A (en) * 1994-10-19 1997-07-22 Sumitomo Metal Industries Limited Thread joint for tube
DK0916883T3 (da) * 1997-05-30 2006-10-30 Sumitomo Metal Ind Skrueforbindelse til oliefeltrör
AR016813A1 (es) 1997-08-11 2001-08-01 Fishing Tools Specialty L P D B A Curley S Fishp Ing Tools Specialty Inc And Curley S Machine Sho Conexion tubular y metodo de montaje de la misma
EP0949441A4 (en) * 1997-10-08 2006-09-06 Sumitomo Metal Ind SCREW CONNECTION FOR OIL PIPES AND METHOD FOR THE PRODUCTION THEREOF
GB2358228B (en) * 2000-01-13 2002-11-06 Ian Harold Hignett Improvements to pipe joints
DZ3362A1 (it) * 2000-06-20 2001-12-27
IT1318179B1 (it) * 2000-07-17 2003-07-23 Dalmine Spa Giunzione filettata integrale per tubi.
IT1318753B1 (it) * 2000-08-09 2003-09-10 Dalmine Spa Giunzione filettata integrale a profilo continuo pr tubi
US6811189B1 (en) * 2000-10-04 2004-11-02 Grant Prideco, L.P. Corrosion seal for threaded connections
JP3876656B2 (ja) * 2001-07-13 2007-02-07 住友金属工業株式会社 管用ねじ継手
SE524155C2 (sv) * 2002-05-22 2004-07-06 Atlas Copco Secoroc Ab Gängförband för borrsträng för slående bergborrning
US6971685B2 (en) * 2002-06-24 2005-12-06 Weatherford/Lamb, Inc. Multi-point high pressure seal for expandable tubular connections
ITRM20020445A1 (it) * 2002-09-06 2004-03-07 Tenaris Connections Bv Giunzione filettata per tubi.
GB0227603D0 (en) * 2002-11-27 2002-12-31 Hsc S A L Improved casino joints
JP4691904B2 (ja) * 2004-03-26 2011-06-01 Ｊｆｅスチール株式会社 油井鋼管用継手
US8177262B2 (en) * 2005-07-28 2012-05-15 Hydril Company Lp Mid-seal for expandable connections
FR2889727B1 (fr) * 2005-08-09 2007-09-28 Vallourec Mannesmann Oil Gas F Joint filete tubulaire etanche aux liquides et aux gaz
US7798536B2 (en) * 2005-08-11 2010-09-21 Weatherford/Lamb, Inc. Reverse sliding seal for expandable tubular connections
RU2338866C1 (ru) * 2007-02-15 2008-11-20 Общество С Ограниченной Ответственностью "Тмк-Премиум Сервис" Герметичное резьбовое соединение нефтепромысловых труб
JP5250990B2 (ja) * 2007-03-28 2013-07-31 新日鐵住金株式会社 油井管用ねじ継手
EP2006589B1 (en) 2007-06-22 2011-08-31 Tenaris Connections Aktiengesellschaft Threaded joint with energizable seal
EP2009340B1 (en) 2007-06-27 2010-12-08 Tenaris Connections Aktiengesellschaft Threaded joint with pressurizable seal
EP2017507B1 (en) * 2007-07-16 2016-06-01 Tenaris Connections Limited Threaded joint with resilient seal ring
EP2028402B1 (en) * 2007-08-24 2010-09-01 Tenaris Connections Aktiengesellschaft Method for improving fatigue resistance of a threaded joint
DE602007013892D1 (de) * 2007-08-24 2011-05-26 Tenaris Connections Ag Gewindeverbindungsstück mit hoher Radiallast und unterschiedlich behandelten Oberflächen
UA68624U (en) * 2008-01-25 2012-04-10 Общество С Ограниченной Ответственностью "Тмк-Премиум Сервис" Highly-tight screw joint
DE602008001552D1 (de) * 2008-02-29 2010-07-29 Tenaris Connections Ag Gewindeverbindungsstück mit verbesserten elastischen Dichtungsringen
JP2009235874A (ja) * 2008-03-28 2009-10-15 Ｔｕｂｅ Ｔｅｃｈ 株式会社 掘削工具用継手
AT506876B1 (de) * 2008-06-03 2011-03-15 Voestalpine Tubulars Gmbh & Co Kg Rohrverbindung
EP2337982B1 (en) * 2008-10-20 2018-02-28 Nippon Steel & Sumitomo Metal Corporation Threaded joint for steel pipes
EP2243920A1 (en) 2009-04-22 2010-10-27 Tenaris Connections Aktiengesellschaft Threaded joint for tubes, pipes and the like
US8561995B2 (en) * 2009-06-30 2013-10-22 Vetco Gray Inc. Metal-to-metal annulus seal arrangement
WO2011044691A1 (en) * 2009-10-12 2011-04-21 Kai Services Inc. Pipe for the technical casing of a geological prospecting drilling rig
WO2011044690A1 (en) * 2009-10-12 2011-04-21 Kai Services Inc. Hermetic threaded connecting device for drill or casing pipes of technical casing of geological prospecting drilling rig
WO2011044689A1 (en) * 2009-10-12 2011-04-21 Kai Services Inc. Hermetic threaded connection of drill or casing pipes in technical casing for geological prospecting drilling well
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
BR112013001312A2 (pt) * 2010-07-20 2018-01-23 Itt Mfg Enterprises Llc método de fixação melhorada para impulsor
US10215314B2 (en) * 2010-08-23 2019-02-26 Vallourec Oil And Gas France Tubular threaded connection
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
JP5849749B2 (ja) * 2011-02-28 2016-02-03 Ｊｆｅスチール株式会社 管用ねじ継手
CN102926674B (zh) * 2011-08-11 2015-12-02 中国石油天然气集团公司 低压用气密封特殊螺纹接头
CN102720440B (zh) * 2012-06-16 2015-09-02 无锡西姆莱斯石油专用管制造有限公司 高密封偏梯形螺纹套管接头
CN102829269B (zh) * 2012-08-30 2014-06-04 中国石油天然气集团公司 地下储气库注气和采气用特殊螺纹接头
US9677346B2 (en) 2012-11-28 2017-06-13 Ultra Premium Oilfield Services, Ltd. Tubular connection with helically extending torque shoulder
US9869139B2 (en) 2012-11-28 2018-01-16 Ultra Premium Oilfield Services, Ltd. Tubular connection with helically extending torque shoulder
MX2015008990A (es) 2013-01-11 2015-10-14 Tenaris Connections Ltd Empalme para herramientas de tuberia de perforacion resistente a la excoriacion y tuberia de perforacion correspondiente.
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
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
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
KR102368928B1 (ko) 2013-06-25 2022-03-04 테나리스 커넥션즈 비.브이. 고크롬 내열철강
RU2536730C1 (ru) * 2013-07-16 2014-12-27 Общетво с ограниченной ответственностью Торгово-промышленная группа "Росал" Герметичное резьбовое соединение для обсадных труб
UA111782C2 (uk) * 2014-10-23 2016-06-10 Товариство З Обмеженою Відповідальністю "Інтерпайп Менеджмент" Герметичне різьбове з'єднання металевих труб
BR112018016593B1 (pt) * 2016-02-19 2021-10-26 Jfe Steel Corporation Junta rosqueada para tubulação de poço de petróleo
US11124852B2 (en) 2016-08-12 2021-09-21 Tenaris Coiled Tubes, Llc Method and system for manufacturing coiled tubing
US10434554B2 (en) 2017-01-17 2019-10-08 Forum Us, Inc. Method of manufacturing a coiled tubing string
MX2019007612A (es) * 2017-01-18 2019-08-29 Nippon Steel Corp Conexion roscada.
RU184435U9 (ru) * 2017-11-14 2018-11-22 Акционерное общество "Первоуральский новотрубный завод" Труба для скважин с высокогерметичным резьбовым соединением
RU182758U1 (ru) * 2017-12-26 2018-08-30 Общество С Ограниченной Ответственностью "Тмк-Премиум Сервис" Резьбовое соединение насосно-компрессорных труб
CN110359858B (zh) * 2018-03-26 2020-09-04 中国石油天然气集团有限公司 油井管接头的密封结构的设计与制造方法、密封方法
CN109382496B (zh) * 2018-12-28 2024-01-23 中信戴卡股份有限公司 冲头总成及包括该冲头总成的压铸机
RU2726758C1 (ru) * 2019-04-25 2020-07-15 Общество с ограниченной ответственностью "ПАЛИМАР" Утяжеленная бурильная труба с двухупорным замковым резьбовым соединением
CN110593774A (zh) * 2019-10-30 2019-12-20 澳普洛钻探工具(无锡)有限公司 一种密封性钻杆外螺纹结构
RU2728105C1 (ru) * 2019-12-11 2020-07-28 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тюменский индустриальный университет" Резьбовое замковое коническое соединение бурильных труб и способ увеличения его несущей способности и ресурса работы
RU198398U1 (ru) * 2019-12-25 2020-07-03 Общество с ограниченной ответственностью Научно-производственное предприятие "БУРИНТЕХ" (ООО НПП "БУРИНТЕХ") Резьбовое соединение для бурильных труб

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2111627A (en) * 1935-07-15 1938-03-22 Frank J Hinderliter Rotary tool joint
DE1533619A1 (it) * 1967-04-28 1970-06-11
NL155335C (it) * 1971-07-09 1900-01-01
JPS5211765B2 (it) * 1972-03-31 1977-04-02
NL7510249A (en) * 1975-08-29 1977-03-02 Nova Hut Klementa Gottwalda Na Gastight screwed pipe union - has mating cone faces of different angles in inner and outer members
GB1503395A (en) * 1975-09-19 1978-03-08 Attock Oilfield Equip Pipe connector
DE2641767B2 (de) * 1976-09-14 1979-05-31 Mannesmann Ag, 4000 Duesseldorf Gewindeverbindung für ölfeldrohre
JPS58157087U (ja) * 1982-04-16 1983-10-20 日本鋼管株式会社 油井管用ネジ継手
JPS58187684A (ja) * 1982-04-27 1983-11-01 新日本製鐵株式会社 油井用鋼管継手
US5423579A (en) * 1983-01-17 1995-06-13 Hydril Company Tubular coupling with metal to metal seal
US4600225A (en) * 1983-12-23 1986-07-15 Interlock Technologies Corporation Tubular connection having a parallel chevron thread
US4736967A (en) * 1986-12-04 1988-04-12 The Hydril Company Tubular pin configuration to prevent galling while ensuring sealing
IT1199343B (it) * 1986-12-23 1988-12-30 Dalmine Spa Giunto perfezionato per tubi di rivestimento di pozzi

Also Published As

Publication number Publication date
DD284955A5 (de) 1990-11-28
CA1321808C (en) 1993-08-31
US4958862A (en) 1990-09-25
KR900006724A (ko) 1990-05-08
NO301852B1 (no) 1997-12-15
JPH02243897A (ja) 1990-09-27
DE68923338D1 (de) 1995-08-10
NO893657L (no) 1990-04-04
CN1041645A (zh) 1990-04-25
KR950000608B1 (ko) 1995-01-26
SK278341B6 (en) 1996-12-04
DE68923338T2 (de) 1995-12-21
HRP940489B1 (en) 1999-04-30
OA09097A (en) 1991-10-31
NO893657D0 (no) 1989-09-13
CZ278300B6 (en) 1993-11-17
ATE124769T1 (de) 1995-07-15
IT8848411A0 (it) 1988-10-03
YU191689A (sh) 1993-10-20
CN1015198B (zh) 1991-12-25
MX174243B (es) 1994-05-02
YU47908B (sh) 1996-05-20
RO113763B1 (ro) 1998-10-30
HK1005320A1 (en) 1998-12-31
ES2014954T3 (es) 1995-10-01
MY104226A (en) 1994-02-28
EP0364413B1 (en) 1995-07-05
EP0364413A1 (en) 1990-04-18
DE8911779U1 (de) 1990-02-15
GR3017605T3 (en) 1996-01-31
DE364413T1 (de) 1990-07-05
BR8905142A (pt) 1990-05-15
CS8905547A2 (en) 1991-09-15
HRP940489A2 (en) 1996-04-30
RU2058505C1 (ru) 1996-04-20
AR248447A1 (es) 1995-08-18
ES2014954A4 (es) 1990-08-01
JP3062820B2 (ja) 2000-07-12

Similar Documents

Publication Publication Date Title
IT1224745B (it) Giunto a tenuta ermetica metallica per tubi
DE3364755D1 (en) A pipe joint seal
IT1223885B (it) Giunto per tubi
IT1181987B (it) Assieme di tenuta a giunto scorrevole
IT1179753B (it) Dispositivo di tenuta a soffietto particolarmente per giunti di trasmissione
IT8468073A0 (it) Guarnizione di tenuta per giunti di tubi di ghisa
GB8414544D0 (en) Sealing pipe joints
IT8248380A0 (it) Procedimento per la saldatura di tubi ad esplosione
IT1151886B (it) Giunto per tubi
ITTO930041A0 (it) Giunto per il collegamento a tenuta di tubi
IT208169Z2 (it) Giunto per tubi
IT8224628A0 (it) Procedimento per chiudere a tenuta giunti per tubi.
IT8519735A0 (it) Attrezzatura per la realizzazione di una muffola di tenuta per tubi.
IT1139660B (it) Giunto a snodo per tubi
GB2108230B (en) A pipe joint
IT1280421B1 (it) Metodo per realizzare giunti di collegamento a tenuta
IT209924Z2 (it) Struttura di raccordo a tenuta migliorata per il collegamento di tubi.
IT8122708A0 (it) Giunto a chiusura ermetica per tubi di irrigazione.
IT240123Y1 (it) Giunto a tenuta ermetica per tubi singoli corrugati
IT8403363A0 (it) Giunto per tubi
IT8767788A0 (it) Boccola di tenuta per giunzioni a bicchiere di tubi
IT217274Z2 (it) Raccordo a tenuta per tubi guaine e simili
IT231281Y1 (it) Raccordo a compressione per tubi
IT210043Z2 (it) Struttura di guarnizione per il collegamento a tenuta di tubi in calcestruzzo.
IT8122249V0 (it) Giunto a chiusura ermetica per tubi di irrigazione.

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971030