NL8701929A - Werkwijze voor het beschermen van schroefdraad. - Google Patents

Werkwijze voor het beschermen van schroefdraad. Download PDF

Info

Publication number: NL8701929A
Authority: NL; Netherlands
Prior art keywords: lubricant; dry film; threads; dry; lubricating liquid
Prior art date: 1986-08-19

Application number

NL8701929A

Other languages

English (en)

Dutch (nl)

Original Assignee

Nowsco Well Service Ltd

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.)

1986-08-19

Filing date

1987-08-17

Publication date

1988-03-16

1987-08-17 Application filed by Nowsco Well Service Ltd filed Critical Nowsco Well Service Ltd

1988-03-16 Publication of NL8701929A publication Critical patent/NL8701929A/nl

Links

238000000034 method Methods 0.000 title claims description 34
239000000314 lubricant Substances 0.000 claims description 70
238000007789 sealing Methods 0.000 claims description 32
239000007788 liquid Substances 0.000 claims description 26
238000012360 testing method Methods 0.000 claims description 25
230000001050 lubricating effect Effects 0.000 claims description 18
229920001343 polytetrafluoroethylene Polymers 0.000 claims description 15
239000004810 polytetrafluoroethylene Substances 0.000 claims description 14
229910052751 metal Inorganic materials 0.000 claims description 13
239000002184 metal Substances 0.000 claims description 13
CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 10
229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 9
239000002904 solvent Substances 0.000 claims description 8
230000013011 mating Effects 0.000 claims description 7
239000002245 particle Substances 0.000 claims description 7
-1 polytetrafluoroethylene Polymers 0.000 claims description 7
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
229910002804 graphite Inorganic materials 0.000 claims description 6
239000010439 graphite Substances 0.000 claims description 6
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 5
239000000203 mixture Substances 0.000 claims description 5
238000009736 wetting Methods 0.000 claims description 5
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
230000009471 action Effects 0.000 claims description 4
229910052802 copper Inorganic materials 0.000 claims description 4
239000010949 copper Substances 0.000 claims description 4
NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 claims description 2
XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 2
238000001035 drying Methods 0.000 claims description 2
150000002739 metals Chemical class 0.000 claims description 2
239000010702 perfluoropolyether Substances 0.000 claims description 2
230000003020 moisturizing effect Effects 0.000 claims 1
239000010408 film Substances 0.000 description 25
239000000565 sealant Substances 0.000 description 15
239000012530 fluid Substances 0.000 description 13
230000008878 coupling Effects 0.000 description 10
238000010168 coupling process Methods 0.000 description 10
238000005859 coupling reaction Methods 0.000 description 10
239000000463 material Substances 0.000 description 10
229940058401 polytetrafluoroethylene Drugs 0.000 description 10
239000008186 active pharmaceutical agent Substances 0.000 description 9
239000004519 grease Substances 0.000 description 6
239000004215 Carbon black (E152) Substances 0.000 description 5
229930195733 hydrocarbon Natural products 0.000 description 5
150000002430 hydrocarbons Chemical class 0.000 description 5
239000010687 lubricating oil Substances 0.000 description 5
239000002923 metal particle Substances 0.000 description 5
239000003223 protective agent Substances 0.000 description 5
239000011347 resin Substances 0.000 description 5
229920005989 resin Polymers 0.000 description 5
229910000831 Steel Inorganic materials 0.000 description 4
239000003921 oil Substances 0.000 description 4
239000007787 solid Substances 0.000 description 4
239000010959 steel Substances 0.000 description 4
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
230000000694 effects Effects 0.000 description 3
230000006872 improvement Effects 0.000 description 3
230000001681 protective effect Effects 0.000 description 3
229910052725 zinc Inorganic materials 0.000 description 3
239000011701 zinc Substances 0.000 description 3
229910000851 Alloy steel Inorganic materials 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
230000008901 benefit Effects 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
230000006835 compression Effects 0.000 description 2
238000007906 compression Methods 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
150000002576 ketones Chemical class 0.000 description 2
239000011133 lead Substances 0.000 description 2
230000037361 pathway Effects 0.000 description 2
229920001296 polysiloxane Polymers 0.000 description 2
239000011148 porous material Substances 0.000 description 2
230000009467 reduction Effects 0.000 description 2
239000007921 spray Substances 0.000 description 2
239000010409 thin film Substances 0.000 description 2
QDOIZVITZUBGOQ-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,4-nonafluoro-n,n-bis(1,1,2,2,3,3,4,4,4-nonafluorobutyl)butan-1-amine;1,1,2,2,3,3,4,4,4-nonafluoro-n-(1,1,2,2,3,3,4,4,4-nonafluorobutyl)-n-(trifluoromethyl)butan-1-amine Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)N(C(F)(F)F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F.FC(F)(F)C(F)(F)C(F)(F)C(F)(F)N(C(F)(F)C(F)(F)C(F)(F)C(F)(F)F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F QDOIZVITZUBGOQ-UHFFFAOYSA-N 0.000 description 1
101710106450 Apoptosis inhibitor 5 Proteins 0.000 description 1
102100039986 Apoptosis inhibitor 5 Human genes 0.000 description 1
101710177357 Apoptosis inhibitor 5 homolog Proteins 0.000 description 1
239000004480 active ingredient Substances 0.000 description 1
239000000443 aerosol Substances 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
239000003638 chemical reducing agent Substances 0.000 description 1
239000011362 coarse particle Substances 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
230000002950 deficient Effects 0.000 description 1
238000011161 development Methods 0.000 description 1
239000013070 direct material Substances 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
239000004744 fabric Substances 0.000 description 1
125000001153 fluoro group Chemical group F* 0.000 description 1
238000009499 grossing Methods 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
238000005461 lubrication Methods 0.000 description 1
238000005259 measurement Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
238000002844 melting Methods 0.000 description 1
238000005065 mining Methods 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
239000003129 oil well Substances 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
230000004044 response Effects 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
238000005507 spraying Methods 0.000 description 1
238000005728 strengthening Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1

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
- 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
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/06—Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure or fretting
- 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
- 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
- F16N—LUBRICATING
- F16N15/00—Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49885—Assembling or joining with coating before or during assembling

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Mining & Mineral Resources (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Fluid Mechanics (AREA)
Environmental & Geological Engineering (AREA)
Physics & Mathematics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Lubricants (AREA)
Application Of Or Painting With Fluid Materials (AREA)
Sealing Devices (AREA)

NL8701929A 1986-08-19 1987-08-17 Werkwijze voor het beschermen van schroefdraad. NL8701929A (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/897,804 US4692988A (en)	1986-08-19	1986-08-19	Screw thread protection
US89780486		1986-08-19

Publications (1)

Publication Number	Publication Date
NL8701929A true NL8701929A (nl)	1988-03-16

Family

ID=25408448

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8701929A NL8701929A (nl)	1986-08-19	1987-08-17	Werkwijze voor het beschermen van schroefdraad.

Country Status (10)

Country	Link
US (1)	US4692988A (no)
CA (1)	CA1288064C (no)
DE (1)	DE3727538A1 (no)
DK (1)	DK429787A (no)
ES (1)	ES2007696A6 (no)
FR (1)	FR2603087B1 (no)
GB (1)	GB2195728B (no)
IT (1)	IT1222512B (no)
NL (1)	NL8701929A (no)
NO (1)	NO873475L (no)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4830922A (en) *	1986-02-28	1989-05-16	Sparrowhawk Bryan L	Removable controlled thickness conformal coating
DE3913314C1 (no) *	1989-04-19	1990-10-31	Mannesmann Ag, 4000 Duesseldorf, De
US5050691A (en) *	1989-10-10	1991-09-24	Varco International, Inc.	Detachable torque transmitting tool joint
US5271141A (en) *	1991-05-08	1993-12-21	Vincent Larry W	Threaded joint with corrosion protection
EP0786616B9 (en) *	1994-10-04	2010-09-08	NSCT Premium Tubulars B.V.	Steel pipe joint having high galling resistance and surface treatment method thereof
DE19528849A1 (de) *	1995-08-05	1997-02-13	Messer Griesheim Gmbh	Abdichtendes Gewinde und Verfahren zu dessen Herstellung
US6056324A (en) *	1998-05-12	2000-05-02	Dril-Quip, Inc.	Threaded connector
US6385837B1 (en) *	1999-04-05	2002-05-14	Central Motor Wheel Co., Ltd.	Method and apparatus for fixedly connecting threaded tubes, and recording medium storing control program for practicing or controlling those method and apparatus
CA2383894C (en) *	1999-08-27	2006-01-24	Hideo Yamamoto	Threaded joint for oil well pipe
ATE513156T1 (de) *	1999-10-20	2011-07-15	Beverly Watts Ramos	Verbindung mit offenem keilgewinde
IT1318179B1 (it) *	2000-07-17	2003-07-23	Dalmine Spa	Giunzione filettata integrale per tubi.
US6478344B2 (en) *	2000-09-15	2002-11-12	Abb Vetco Gray Inc.	Threaded connector
ES2343706T3 (es) *	2001-04-11	2010-08-06	Sumitomo Metal Industries, Ltd.	Junta roscada para tuberias de acero y proceso de tratamiento superficial de las mismas.
JP3876656B2 (ja) *	2001-07-13	2007-02-07	住友金属工業株式会社	管用ねじ継手
GB0130967D0 (en) *	2001-12-24	2002-02-13	Hunting Oilfield Services Ltd	Anti galling threaded joint
US6682101B2 (en) *	2002-03-06	2004-01-27	Beverly Watts Ramos	Wedgethread pipe connection
PL203768B1 (pl) *	2002-05-31	2009-11-30	Sumitomo Metal Ind	Połączenie gwintowe rur stalowych
ITRM20020445A1 (it) *	2002-09-06	2004-03-07	Tenaris Connections Bv	Giunzione filettata per tubi.
US6832789B2 (en) *	2002-11-01	2004-12-21	Torquelock Corporation	Threaded pipe connection with cylindrical metal-to-metal, high pressure containment seal
GB0227603D0 (en) *	2002-11-27	2002-12-31	Hsc S A L	Improved casino joints
ITRM20030065A1 (it)	2003-02-13	2004-08-14	Tenaris Connections Bv	Giunzione filettata per tubi.
US20040201131A1 (en) *	2003-04-11	2004-10-14	Goodson H. Dean	Thread protection system and article of manufacture
US7281546B2 (en) *	2003-04-11	2007-10-16	Hunting Energy Services, Inc.	Thread protection system with weather barrier
US7150852B1 (en) *	2003-05-06	2006-12-19	The United States Of America As Represented By The Secretary Of The Army	System and method for reducing galvanic corrosion associated with a mechanical locking device
US20050176592A1 (en) *	2004-02-11	2005-08-11	Tenaris Ag	Method of using intrinsically conductive polymers with inherent lubricating properties, and a composition having an intrinsically conductive polymer, for protecting metal surfaces from galling and corrosion
JP4599874B2 (ja) *	2004-04-06	2010-12-15	住友金属工業株式会社	油井管用ねじ継手、及びその製造方法
JP2005351324A (ja) *	2004-06-09	2005-12-22	Metal One Corp	油井管用ネジ継手
AR057940A1 (es)	2005-11-30	2007-12-26	Tenaris Connections Ag	Conexiones roscadas con recubrimientos de alta y baja friccion
US7729082B2 (en) *	2006-07-25	2010-06-01	Hitachi Global Storage Technologies Netherlands B.V.	Application of PFPES for HDD screw lubricant
US8322754B2 (en) *	2006-12-01	2012-12-04	Tenaris Connections Limited	Nanocomposite coatings for threaded connections
AT506876B1 (de) *	2008-06-03	2011-03-15	Voestalpine Tubulars Gmbh & Co Kg	Rohrverbindung
EP2136119B2 (de) *	2008-06-17	2018-09-12	TI Automotive (Heidelberg) GmbH	Rohranschlusseinrichtung für den Anschluss von Rohrleitungen
JP5402207B2 (ja) *	2009-04-23	2014-01-29	Ｊｆｅスチール株式会社	油井管用特殊ねじ継手の締め付け方法
JP5849749B2 (ja) *	2011-02-28	2016-02-03	Ｊｆｅスチール株式会社	管用ねじ継手
DK2540781T3 (en) *	2011-06-29	2017-03-13	Raimund Beck Nageltechnik Gmbh	Fastener with coating containing filler
US8894333B2 (en)	2012-11-13	2014-11-25	Raimund Beck Nageltechnik Gmbh	Fastening means with a coating containing filling material
JP5978953B2 (ja) *	2012-11-26	2016-08-24	Ｊｆｅスチール株式会社	管用ねじ継手
MX2016007276A (es) *	2013-12-05	2016-08-11	Nippon Steel & Sumitomo Metal Corp	Union roscada para tuberias de acero.
AR100953A1 (es)	2014-02-19	2016-11-16	Tenaris Connections Bv	Empalme roscado para una tubería de pozo de petróleo
DE102014012142A1 (de) *	2014-08-14	2016-02-18	Sfs Intec Holding Ag	Bohrschraube
WO2016113790A1 (ja) *	2015-01-15	2016-07-21	Ｊｆｅスチール株式会社	管用ねじ継手
EP3862607B1 (en) *	2018-10-02	2022-11-09	Nippon Steel Corporation	Threaded connection for steel pipe
US11505999B2 (en) *	2020-10-22	2022-11-22	Frac String Solutions Llc	Leak-resistant threaded pipe connection

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR981367A (fr) *	1948-12-30	1951-05-25	Radiologie Cie Gle	Lubrification métallique de roulements à billes fonctionnant sous vide poussé
GB706332A (en) *	1950-12-23	1954-03-31	Gkn Group Services Ltd	Improvements in or relating to wood screws
DE946043C (de) *	1952-03-22	1956-07-26	Phoenix Rheinrohr Ag Vereinigt	Rohr fuer Tiefbohrzwecke
US3069387A (en) *	1956-06-01	1962-12-18	Kenmore Res Company	Thixotropic thread lubricant
FR70385E (fr) *	1956-07-30	1959-04-06	S N Marep	Procédé pour l'assemblage par frettage de raccords filetés
FR1237569A (fr) *	1958-10-14	1960-07-29		Ruban lubrifiant et d'étanchéité pour joint fileté
US3146142A (en) *	1960-06-07	1964-08-25	Union Oil Co	Joint adhesives
GB1075550A (en) *	1964-01-02	1967-07-12	Chevron Res	Pipe thread dope
US3541070A (en) *	1967-03-30	1970-11-17	Oil Center Research Inc	Sintered polytetrafluoroethylene joint sealing ribbon
FR2051891A5 (en) *	1969-07-01	1971-04-09	Hirigoyen Bernard	Fluoropolymer or polyamide coated - fastenings such as ferrous bolts and screws
US3869393A (en) *	1970-05-21	1975-03-04	Everlube Corp Of America	Solid lubricant adhesive film
US3683675A (en) *	1970-11-04	1972-08-15	Lockheed Aircraft Corp	Method and means for leak detection
US3687493A (en) *	1971-03-01	1972-08-29	Exxon Production Research Co	Threaded connection
US3914178A (en) *	1974-01-23	1975-10-21	Amerace Corp	Wear reducing coating
US4074011A (en) *	1974-04-25	1978-02-14	Nippon Steel Corporation	Topcoated phosphated bolts, nuts and washers
DE2530814C3 (de) *	1975-07-10	1980-04-24	Lentia Gmbh, Chem. U. Pharm. Erzeugnisse - Industriebedarf, 8000 Muenchen	Verfahren zur Herstellung von 2,4-Diamino-5-(3,4,5-trimethoxybenzyl)pyrimidin
JPS5950538B2 (ja) *	1975-08-18	1984-12-08	日本発条株式会社	リクライニングシ−ト
US4193043A (en) *	1977-09-12	1980-03-11	The United States Of America As Represented By The United States Department Of Energy	Microwave accelerator E-beam pumped laser
AU534576B2 (en) *	1978-05-18	1984-02-09	Shiro Hasegawa	A torque stabilizing method of fasteners and torque stabilized fasteners
DE3165930D1 (en) *	1981-03-30	1984-10-18	Mannesmann Ag	Method for the surface treatment of screw threads
DE3218145A1 (de) *	1982-05-14	1983-11-24	Daimler-Benz Ag, 7000 Stuttgart	Verfahren zur erhoehung der lebensdauer und verringerung der reibung von oelgeschmierten kegelrollenlagern
US4527815A (en) *	1982-10-21	1985-07-09	Mobil Oil Corporation	Use of electroless nickel coating to prevent galling of threaded tubular joints
FR2537990B1 (fr) *	1982-12-17	1986-04-11	Kobe Steel Ltd	Film de lubrifiant et procede pour empecher un ecorchage de surfaces metalliques glissantes
GB2140117B (en) *	1983-05-17	1986-11-05	Boc Nowsco Ltd	Screw-thread protection
DE3517553A1 (de) *	1985-05-15	1986-11-20	Lichtenberg & Co Chemische Fabrik Zweigniederlassung der UK-Mineralölwerke Wenzel & Weidmann GmbH, 5180 Eschweiler	Verfahren zum beschichten fester koerper mit schmiermitteln

1986
- 1986-08-19 US US06/897,804 patent/US4692988A/en not_active Expired - Fee Related
1987
- 1987-08-11 GB GB8719000A patent/GB2195728B/en not_active Expired - Fee Related
- 1987-08-14 CA CA000544578A patent/CA1288064C/en not_active Expired - Fee Related
- 1987-08-17 NL NL8701929A patent/NL8701929A/nl not_active Application Discontinuation
- 1987-08-18 DK DK429787A patent/DK429787A/da not_active Application Discontinuation
- 1987-08-18 NO NO873475A patent/NO873475L/no unknown
- 1987-08-18 ES ES8702428A patent/ES2007696A6/es not_active Expired
- 1987-08-18 IT IT21672/87A patent/IT1222512B/it active
- 1987-08-18 DE DE19873727538 patent/DE3727538A1/de active Granted
- 1987-08-19 FR FR878711726A patent/FR2603087B1/fr not_active Expired

Also Published As

Publication number	Publication date
GB2195728A (en)	1988-04-13
ES2007696A6 (es)	1989-07-01
NO873475D0 (no)	1987-08-18
CA1288064C (en)	1991-08-27
IT1222512B (it)	1990-09-05
IT8721672A0 (it)	1987-08-18
FR2603087A1 (fr)	1988-02-26
FR2603087B1 (fr)	1989-05-19
DK429787D0 (da)	1987-08-18
DE3727538A1 (de)	1988-03-03
NO873475L (no)	1988-02-22
GB8719000D0 (en)	1987-10-07
GB2195728B (en)	1990-11-21
DK429787A (da)	1988-02-20
US4692988A (en)	1987-09-15
DE3727538C2 (no)	1991-03-07

Legal Events

Date	Code	Title	Description
1993-04-01	BV	The patent application has lapsed

Publication	Publication Date	Title
NL8701929A (nl)	1988-03-16	Werkwijze voor het beschermen van schroefdraad.
CA2500416C (en)	2010-08-10	Threaded pipe with surface treatment
EP1954953B1 (en)	2011-05-25	Threaded connections with high and low friction coatings
CA2614944C (en)	2011-03-29	Threaded joint for steel pipe and method for surface treatment of the threaded joint
EA023109B1 (ru)	2016-04-29	Смазывающая композиция с адаптируемым коэффициентом трения для резьбового элемента компонента резьбового трубного соединения
JP6226923B2 (ja)	2017-11-08	鋼管用ねじ継手
EA025932B1 (ru)	2017-02-28	Резьбовое соединение для труб
US9052041B2 (en)	2015-06-09	Wedge threads with a solid lubricant coating
EA017703B1 (ru)	2013-02-28	Резьбовое соединение для труб
FR2892174A1 (fr)	2007-04-20	Element filete tubulaire muni d'un revetement protecteur sec
JP2010523785A (ja)	2010-07-15	管状ねじ山付き接続部のコンポーネントのねじ山付き要素のための、摩擦係数順応性を示す潤滑剤組成物
EA025807B1 (ru)	2017-01-30	Резьбовой трубный компонент и результирующее соединение
EA024642B1 (ru)	2016-10-31	Способ покрытия резьбового трубчатого компонента, резьбовой трубчатый компонент и результирующее соединение
JPH0972467A (ja)	1997-03-18	グリス無潤滑下での耐焼付き性に優れたネジ継手
UA119245C2 (uk)	2019-05-27	З'єднувальний елемент для трубчастого компонента, який покритий осадженим шаром композиційного матеріалу на основі металу, та спосіб одержання такого елемента
GB2140117A (en)	1984-11-21	Screw-thread protection
JP2002348587A (ja)	2002-12-04	鋼管用ねじ継手
NL8401566A (nl)	1984-12-17	Werkwijze voor het beschermen van schroefdraad.
GB2230311A (en)	1990-10-17	Screw thread protection
JP4123810B2 (ja)	2008-07-23	耐焼付き性に優れた鋼管用ねじ継手とその表面処理方法
JPH11173471A (ja)	1999-06-29	鋼管用ねじ継手
JPH1182829A (ja)	1999-03-26	摩擦圧接用管継ぎ手
AU2005201028B2 (en)	2005-07-28	Threaded joint for steel pipe and method for surface treatment of the threaded joint