EG24061A - Threaded pipe with surface treatment - Google Patents

Threaded pipe with surface treatment

Info

Publication number
EG24061A
EG24061A EGNA2005000114A EG24061A EG 24061 A EG24061 A EG 24061A EG NA2005000114 A EGNA2005000114 A EG NA2005000114A EG 24061 A EG24061 A EG 24061A
Authority
EG
Egypt
Prior art keywords
surface treatment
threaded pipe
threaded
pipe
treatment
Prior art date
Application number
Other languages
English (en)
Inventor
Erba Diego Dell
Original Assignee
Tenaris Connections Ag
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=11456519&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EG24061(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tenaris Connections Ag filed Critical Tenaris Connections Ag
Application granted granted Critical
Publication of EG24061A publication Critical patent/EG24061A/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
    • F16L15/001—Screw-threaded joints; Forms of screw-threads for such joints with conical threads
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M103/00—Lubricating compositions characterised by the base-material being an inorganic material
    • C10M103/04—Metals; Alloys
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M103/00—Lubricating compositions characterised by the base-material being an inorganic material
    • C10M103/06—Metal compounds
    • 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
    • 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
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/18—Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings
    • F16L58/182—Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings for screw-threaded joints
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/015—Dispersions of solid lubricants
    • C10N2050/02—Dispersions of solid lubricants dissolved or suspended in a carrier which subsequently evaporates to leave a lubricant coating
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/023—Multi-layer lubricant coatings
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2080/00—Special pretreatment of the material to be lubricated, e.g. phosphatising or chromatising of a metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Lubricants (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Chemical Treatment Of Metals (AREA)
EGNA2005000114 2002-10-10 2005-04-09 Threaded pipe with surface treatment EG24061A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000512A ITRM20020512A1 (it) 2002-10-10 2002-10-10 Tubo filettato con trattamento superficiale.
PCT/EP2003/011238 WO2004033951A1 (fr) 2002-10-10 2003-10-10 Conduit filete ayant reçu un traitement de surface

Publications (1)

Publication Number Publication Date
EG24061A true EG24061A (en) 2008-05-07

Family

ID=11456519

Family Applications (1)

Application Number Title Priority Date Filing Date
EGNA2005000114 EG24061A (en) 2002-10-10 2005-04-09 Threaded pipe with surface treatment

Country Status (25)

Country Link
US (1) US6971681B2 (fr)
EP (1) EP1554518B2 (fr)
JP (1) JP4452622B2 (fr)
CN (1) CN100578065C (fr)
AR (1) AR041584A1 (fr)
AT (1) ATE421661T1 (fr)
AU (1) AU2003293611B2 (fr)
BR (1) BRPI0314568B1 (fr)
CA (1) CA2500416C (fr)
CO (1) CO5721030A2 (fr)
DE (1) DE60325992D1 (fr)
DK (1) DK1554518T4 (fr)
EA (1) EA007406B1 (fr)
EC (1) ECSP055714A (fr)
EG (1) EG24061A (fr)
ES (1) ES2323694T5 (fr)
HK (1) HK1075080A1 (fr)
IT (1) ITRM20020512A1 (fr)
MX (1) MXPA05003826A (fr)
NO (1) NO337274B1 (fr)
OA (1) OA12939A (fr)
PE (1) PE20040280A1 (fr)
SI (1) SI1554518T2 (fr)
WO (1) WO2004033951A1 (fr)
ZA (1) ZA200502860B (fr)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3870732B2 (ja) * 2001-07-25 2007-01-24 住友金属工業株式会社 耐焼付き性に優れた鋼管用ねじ継手
ITRM20020512A1 (it) 2002-10-10 2004-04-11 Tenaris Connections Bv Tubo filettato con trattamento superficiale.
ITRM20030065A1 (it) * 2003-02-13 2004-08-14 Tenaris Connections Bv Giunzione filettata per tubi.
FR2868146B1 (fr) * 2004-03-26 2009-01-23 Vallourec Mannesmann Oil Gas F Joint filete tubulaire resistant aux contraintes de flexion
US8220842B2 (en) * 2003-05-30 2012-07-17 Vallourec Mannesmann Oil & Gas France Threaded tubular connection which is resistant to bending stresses
FI20031736A (fi) * 2003-11-27 2005-05-28 Uponor Innovation Ab Putkiyhde
AR052084A1 (es) † 2005-01-13 2007-02-28 Sumitomo Metal Ind Union roscada para tubos de acero
US7770935B2 (en) 2005-01-13 2010-08-10 Sumitomo Metal Industries, Ltd. Threaded joint for steel pipes
ITRM20050069A1 (it) * 2005-02-17 2006-08-18 Tenaris Connections Ag Giunzione filettata per tubi provvista di tenuta.
US7883118B2 (en) * 2005-03-29 2011-02-08 Sumitomo Metal Industries, Ltd. Threaded joint for steel pipes
US7497481B2 (en) * 2005-05-13 2009-03-03 Hydril Llc Treating method and design method for tubular connections
FR2892174B1 (fr) 2005-10-14 2007-12-28 Vallourec Mannesmann Oil Gas F Element filete tubulaire muni d'un revetement protecteur sec
US7562911B2 (en) * 2006-01-24 2009-07-21 Hydril Usa Manufacturing Llc Wedge thread with sealing metal
JP5028923B2 (ja) * 2006-09-14 2012-09-19 住友金属工業株式会社 鋼管用ねじ継手
US8322754B2 (en) 2006-12-01 2012-12-04 Tenaris Connections Limited Nanocomposite coatings for threaded connections
AR067282A1 (es) * 2007-03-28 2009-10-07 Tenaris Connections Ag Junta roscada de muy alto torque libre de compuesto para roscas
JP5295219B2 (ja) 2007-04-13 2013-09-18 ヴァルレック・マンネスマン・オイル・アンド・ガス・フランス 乾燥保護コーティングを備えた管状ねじ山付き要素
EP2006589B1 (fr) 2007-06-22 2011-08-31 Tenaris Connections Aktiengesellschaft Joint fileté avec étanchéité énergisable
DE602007011046D1 (de) 2007-06-27 2011-01-20 Tenaris Connections Ag Gewindeverbindung mit unter Druck setzbarer Dichtung
EP2017507B1 (fr) 2007-07-16 2016-06-01 Tenaris Connections Limited Joint fileté avec bague d'étanchéité souple
EP2028403B1 (fr) 2007-08-24 2011-04-13 Tenaris Connections Aktiengesellschaft Joint fileté doté de charges radiales élevées et de surfaces traitées différentiellement
EP2028402B1 (fr) 2007-08-24 2010-09-01 Tenaris Connections Aktiengesellschaft Procédé pour améliorer la résistance à la fatigue d'un joint fileté
US20110237528A1 (en) * 2008-09-19 2011-09-29 Institute For Oneworld Health Compositions and methods comprising imidazole and triazole derivatives
EP2194358B1 (fr) 2008-12-05 2011-06-01 Tenaris Connections Aktiengesellschaft Procédé et dispositif de mesure de paramètres de fil
US8771494B2 (en) 2008-12-22 2014-07-08 Tenaris Connections Limited Synthesis of oil containing microcapsules and their use in functional composite coatings
EP2243920A1 (fr) 2009-04-22 2010-10-27 Tenaris Connections Aktiengesellschaft Joint fileté pour tubes, tuyaux et similaires
US8535762B2 (en) * 2009-10-09 2013-09-17 Tenaris Connections Limited Tubular joint having wedge threads with surface coating
US20110084477A1 (en) 2009-10-13 2011-04-14 Hydril Company Wedge threads with a solid lubricant coating
EP2325435B2 (fr) * 2009-11-24 2020-09-30 Tenaris Connections B.V. Joint fileté étanche à des pressions internes et externes [extrêmement hautes]
EP2372211B1 (fr) 2010-03-26 2015-06-03 Tenaris Connections Ltd. Raccord de tuyau à paroi mince et méthode pour coupler un premier tuyau à un second tuyau
EP2392896B1 (fr) 2010-06-01 2019-11-27 Tenaris Connections B.V. Dispositif de mesure de paramètres de fil pour joints filetés
EP2392895B1 (fr) 2010-06-01 2013-03-06 Tenaris Connections Ltd. Procédé et dispositif de mesure de paramètres de filetage avec revêtement de surface
JP5950910B2 (ja) 2010-07-20 2016-07-13 テナリス・コネクシヨンズ・リミテツドＴｅｎａｒｉｓ Ｃｏｎｎｅｃｔｉｏｎｓ Ｌｉｍｉｔｅｄ 改善された密閉性、潤滑特性および耐腐食性を有する継手
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
JP5722752B2 (ja) * 2011-11-18 2015-05-27 新日鐵住金株式会社 高トルク締結性能に優れた管状ねじ継手
FR2985297B1 (fr) 2011-12-29 2016-04-01 Vallourec Mannesmann Oil & Gas Composant filete tubulaire et procede de revetement d'un tel composant filete tubulaire
BR112014027366B1 (pt) * 2012-05-23 2020-12-15 Nippon Steel Corporation Junta roscada tubular que tem propriedades de montagem de alto torque melhoradas
UA112576C2 (uk) * 2012-06-07 2016-09-26 Ніппон Стіл Енд Сумітомо Метал Корпорейшн Нарізне з'єднання для сталевої труби
AU2013316601B2 (en) 2012-09-12 2017-03-30 Nippon Steel Corporation Composition for solid coating formation and tubular threaded joint
GB2525337B (en) 2013-01-11 2016-06-22 Tenaris Connections Ltd 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
EP2789701A1 (fr) 2013-04-08 2014-10-15 DALMINE S.p.A. Tuyaux en acier sans soudure trempé et revenu à paroi moyenne haute résistance et procédé de fabrication des tuyaux d'acier
EP2789700A1 (fr) 2013-04-08 2014-10-15 DALMINE S.p.A. Tuyaux en acier sans soudure trempé et revenu à paroi lourde et procédé de fabrication des tuyaux d'acier
US10274112B2 (en) 2013-06-06 2019-04-30 Bryan Lane Threaded connection
US10273765B2 (en) * 2013-06-06 2019-04-30 Bryan Lane Threaded connection
US9644771B1 (en) * 2013-06-06 2017-05-09 Bryan Lane Threaded coupling
KR102197204B1 (ko) 2013-06-25 2021-01-04 테나리스 커넥션즈 비.브이. 고크롬 내열철강
CN103639103A (zh) * 2013-11-26 2014-03-19 常熟市福熙机械零部件制造有限公司 螺纹紧固件的螺纹表面处理工艺
AR100953A1 (es) 2014-02-19 2016-11-16 Tenaris Connections Bv Empalme roscado para una tubería de pozo de petróleo
CA2966606C (fr) * 2014-12-30 2019-05-28 Halliburton Energy Services, Inc. Systemes raccords de couple et appareil et procedes correspondants
FR3035474B1 (fr) 2015-04-23 2017-04-28 Vallourec Oil & Gas France Element filete tubulaire dote d'un revetement metallique anticorrosion et antigrippage
FR3035475B1 (fr) * 2015-04-23 2017-04-28 Vallourec Oil & Gas France Element filete tubulaire dote d'un revetement metallique antigrippage et d'une couche lubrifiante
FR3035476B1 (fr) 2015-04-23 2017-04-28 Vallourec Oil & Gas France Joint filete tubulaire dote d'un revetement metallique sur le filetage et la portee d'etancheite
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
RU2729482C1 (ru) * 2017-05-22 2020-08-07 Ниппон Стил Корпорейшн Резьбовое соединение для труб или трубок и способ изготовления резьбового соединения для труб или трубок
FR3098272B1 (fr) * 2019-07-01 2022-07-22 Vallourec Oil & Gas France Joint filete avec epaulement realise par fabrication additive
CN114570714B (zh) * 2020-12-02 2023-06-30 中国石油天然气股份有限公司 输油管的处理方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716348A (en) * 1970-06-01 1973-02-13 G Perkins Method of forming abrasion-resistant self-lubricating coating on ferrous metals and aluminum and resulting articles
US4256811A (en) 1978-07-28 1981-03-17 Placer Exploration Limited Coating composition for steel containing zinc metal, zinc oxide, molybdenum sulfide, a resin and a solvent
AU520538B2 (en) * 1978-07-28 1982-02-04 Morganite Australia Pty. Limited Solid lubricant and corrosion inhibitor
EP0061553B1 (fr) * 1981-03-30 1984-09-12 MANNESMANN Aktiengesellschaft Procédé pour le traitement de la surface des filetages
JPS6057519B2 (ja) * 1981-08-20 1985-12-16 住友金属工業株式会社 耐焼付性に優れた油井管継手およびその製造方法
US4473481A (en) † 1982-04-14 1984-09-25 Kabushiki Kaisha Kobe Seiko Sho Lubricant film for preventing galling of sliding metal surfaces
US4527815A (en) * 1982-10-21 1985-07-09 Mobil Oil Corporation Use of electroless nickel coating to prevent galling of threaded tubular joints
US4506432A (en) * 1983-10-03 1985-03-26 Hughes Tool Company Method of connecting joints of drill pipe
JPS60205091A (ja) * 1984-03-29 1985-10-16 住友金属工業株式会社 油井管用管継手
DE3679196D1 (de) * 1986-05-02 1991-06-13 Sumitomo Metal Ind Verbindung fuer oelfeldrohre und verfahren zu seiner herstellung.
DE3913314C1 (fr) * 1989-04-19 1990-10-31 Mannesmann Ag, 4000 Duesseldorf, De
US5274021A (en) † 1991-04-18 1993-12-28 Thurlow Geeck Corrosion resistant coating including tin and zinc dust pigment
WO1996010710A1 (fr) † 1994-10-04 1996-04-11 Nippon Steel Corporation Union de tuyaux d'acier presentant une resistance elevee au grippage et traitement de surface destine a cet effet
EP0939111B1 (fr) † 1998-02-26 2004-01-28 Tsubakimoto Chain Co. Fer revêtu, procédé de traitement de surface de fer ou procédé de traitement de surface de pièces de fixation
GB9816190D0 (en) † 1998-07-25 1998-09-23 Dow Corning Gmbh Antifriction coating
EP1211451B1 (fr) † 1999-08-27 2011-10-05 Sumitomo Metal Industries, Ltd. Joint filet pour conduit de puits de p trole
JP3931564B2 (ja) * 2001-01-25 2007-06-20 住友金属工業株式会社 耐焼付き性及び防錆性に優れた鋼管用ねじ継手
JP3870732B2 (ja) † 2001-07-25 2007-01-24 住友金属工業株式会社 耐焼付き性に優れた鋼管用ねじ継手
ITRM20020512A1 (it) 2002-10-10 2004-04-11 Tenaris Connections Bv Tubo filettato con trattamento superficiale.

Also Published As

Publication number Publication date
EP1554518A1 (fr) 2005-07-20
OA12939A (en) 2006-10-13
JP2006502355A (ja) 2006-01-19
CN1703598A (zh) 2005-11-30
NO20051619L (no) 2005-06-24
CA2500416A1 (fr) 2004-04-22
NO20051619D0 (no) 2005-04-01
ZA200502860B (en) 2006-06-28
JP4452622B2 (ja) 2010-04-21
DK1554518T4 (en) 2018-05-14
MXPA05003826A (es) 2005-10-26
BRPI0314568B1 (pt) 2017-02-07
ES2323694T5 (es) 2017-12-20
DE60325992D1 (de) 2009-03-12
US20040113423A1 (en) 2004-06-17
NO337274B1 (no) 2016-02-29
EP1554518B2 (fr) 2016-08-31
EA200500468A1 (ru) 2005-12-29
CA2500416C (fr) 2010-08-10
ECSP055714A (es) 2005-07-06
WO2004033951A1 (fr) 2004-04-22
AU2003293611A1 (en) 2004-05-04
EP1554518B1 (fr) 2009-01-21
DK1554518T3 (da) 2009-05-18
SI1554518T2 (sl) 2017-10-30
EA007406B1 (ru) 2006-10-27
ES2323694T3 (es) 2009-07-23
AU2003293611B2 (en) 2007-11-01
BR0314568A (pt) 2005-08-09
ITRM20020512A1 (it) 2004-04-11
HK1075080A1 (en) 2005-12-02
ITRM20020512A0 (it) 2002-10-10
CN100578065C (zh) 2010-01-06
SI1554518T1 (sl) 2009-12-31
ATE421661T1 (de) 2009-02-15
US6971681B2 (en) 2005-12-06
PE20040280A1 (es) 2004-06-22
AR041584A1 (es) 2005-05-18
CO5721030A2 (es) 2007-01-31

Similar Documents

Publication Publication Date Title
EG24061A (en) Threaded pipe with surface treatment
HK1077615A1 (en) Threaded pipe joint
AU2003208100A1 (en) Water treatment device
AUPS328002A0 (en) Water treatment
GB2408558B (en) Treatment of pipes
GB0223570D0 (en) Surface treatment
GB0225197D0 (en) Surface
IL163716A0 (en) Device for treating water
AU153223S (en) Pipe
GB2390986B (en) Sludge treatment
AU154527S (en) Faucet
GB0226761D0 (en) Pipe cleaning device
AU2002354069A1 (en) Surface treatment device using barrel
GB0323981D0 (en) Pipe coating
AU2003232910A8 (en) Threaded connection
GB2408552B (en) Threaded connection
AU154981S (en) Pipe
HRP20020204A2 (en) Biorotor water treatment device
GB0303512D0 (en) Surface treatment
SI1549872T1 (sl) Navojna cevna spojka
GB0200256D0 (en) Pipes
TW514184U (en) Threaded pipe coupling
PL355581A1 (en) Clamp nut
AU2002952630A0 (en) Water treatment device
PL356615A1 (en) Nut