NO328656B1 - Stalrorforbindelse med hoy rivingsmotstand, samt fremgangsmate for overflatebehandling av denne - Google Patents
Stalrorforbindelse med hoy rivingsmotstand, samt fremgangsmate for overflatebehandling av denne Download PDFInfo
- Publication number
- NO328656B1 NO328656B1 NO19971523A NO971523A NO328656B1 NO 328656 B1 NO328656 B1 NO 328656B1 NO 19971523 A NO19971523 A NO 19971523A NO 971523 A NO971523 A NO 971523A NO 328656 B1 NO328656 B1 NO 328656B1
- Authority
- NO
- Norway
- Prior art keywords
- coating layer
- thickness
- solid lubricant
- layer
- resin
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 78
- 238000004381 surface treatment Methods 0.000 title claims description 25
- 150000001875 compounds Chemical class 0.000 title description 15
- 239000011247 coating layer Substances 0.000 claims description 304
- 239000000314 lubricant Substances 0.000 claims description 236
- 239000007787 solid Substances 0.000 claims description 201
- 239000000126 substance Substances 0.000 claims description 180
- 239000010410 layer Substances 0.000 claims description 149
- 230000015572 biosynthetic process Effects 0.000 claims description 135
- CPSYWNLKRDURMG-UHFFFAOYSA-L hydron;manganese(2+);phosphate Chemical compound [Mn+2].OP([O-])([O-])=O CPSYWNLKRDURMG-UHFFFAOYSA-L 0.000 claims description 122
- 229920005989 resin Polymers 0.000 claims description 116
- 239000011347 resin Substances 0.000 claims description 116
- 238000000576 coating method Methods 0.000 claims description 112
- 239000011248 coating agent Substances 0.000 claims description 106
- 239000000843 powder Substances 0.000 claims description 104
- 229910000831 Steel Inorganic materials 0.000 claims description 94
- 239000010959 steel Substances 0.000 claims description 94
- 238000005121 nitriding Methods 0.000 claims description 88
- 238000007789 sealing Methods 0.000 claims description 87
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 85
- 229910052751 metal Inorganic materials 0.000 claims description 81
- 239000002184 metal Substances 0.000 claims description 81
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 69
- 229910019142 PO4 Inorganic materials 0.000 claims description 64
- 239000010452 phosphate Substances 0.000 claims description 59
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 55
- 239000002245 particle Substances 0.000 claims description 54
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 claims description 49
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 47
- 238000010438 heat treatment Methods 0.000 claims description 46
- 238000007747 plating Methods 0.000 claims description 45
- 239000000203 mixture Substances 0.000 claims description 44
- 230000003746 surface roughness Effects 0.000 claims description 43
- 239000010949 copper Substances 0.000 claims description 34
- 229910052802 copper Inorganic materials 0.000 claims description 28
- 229910052725 zinc Inorganic materials 0.000 claims description 24
- 239000003129 oil well Substances 0.000 claims description 22
- 239000004962 Polyamide-imide Substances 0.000 claims description 20
- 239000007849 furan resin Substances 0.000 claims description 20
- 229920002312 polyamide-imide Polymers 0.000 claims description 20
- 239000003822 epoxy resin Substances 0.000 claims description 17
- 229920000647 polyepoxide Polymers 0.000 claims description 17
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 10
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 238000005260 corrosion Methods 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 7
- 238000000691 measurement method Methods 0.000 claims description 6
- 238000006396 nitration reaction Methods 0.000 claims description 5
- 239000003112 inhibitor Substances 0.000 claims description 3
- 239000002335 surface treatment layer Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 115
- 238000011282 treatment Methods 0.000 description 88
- 238000002360 preparation method Methods 0.000 description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 40
- 239000004519 grease Substances 0.000 description 37
- 230000000694 effects Effects 0.000 description 36
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 32
- 238000005461 lubrication Methods 0.000 description 28
- 239000011572 manganese Substances 0.000 description 27
- 238000002203 pretreatment Methods 0.000 description 27
- 239000013527 degreasing agent Substances 0.000 description 26
- 238000010586 diagram Methods 0.000 description 24
- 239000011701 zinc Substances 0.000 description 23
- 238000005488 sandblasting Methods 0.000 description 21
- 239000007864 aqueous solution Substances 0.000 description 17
- 229920006122 polyamide resin Polymers 0.000 description 16
- 238000012545 processing Methods 0.000 description 16
- 238000010304 firing Methods 0.000 description 14
- 239000011230 binding agent Substances 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 12
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 12
- 229940048086 sodium pyrophosphate Drugs 0.000 description 12
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 12
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 238000011156 evaluation Methods 0.000 description 11
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- 238000005304 joining Methods 0.000 description 9
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 8
- 239000002253 acid Substances 0.000 description 8
- 229910052748 manganese Inorganic materials 0.000 description 8
- 239000003921 oil Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 description 8
- LIXWSNVLHFNXAJ-UHFFFAOYSA-N sodium;oxidoazaniumylidynemethane Chemical compound [Na+].[O-][N+]#[C-] LIXWSNVLHFNXAJ-UHFFFAOYSA-N 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000005238 degreasing Methods 0.000 description 6
- 238000005868 electrolysis reaction Methods 0.000 description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 235000011149 sulphuric acid Nutrition 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- 238000001994 activation Methods 0.000 description 5
- 238000009713 electroplating Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910000027 potassium carbonate Inorganic materials 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000011324 bead Substances 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000011835 investigation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical compound C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 4
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 235000015320 potassium carbonate Nutrition 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229910000531 Co alloy Inorganic materials 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- 229910017709 Ni Co Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910003267 Ni-Co Inorganic materials 0.000 description 1
- 229910003262 Ni‐Co Inorganic materials 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RCXJDOMIFLFJET-UHFFFAOYSA-H [Co+2].[Ni](Cl)Cl.S(=O)(=O)([O-])[O-].[Fe+2].S(=O)(=O)([O-])[O-] Chemical compound [Co+2].[Ni](Cl)Cl.S(=O)(=O)([O-])[O-].[Fe+2].S(=O)(=O)([O-])[O-] RCXJDOMIFLFJET-UHFFFAOYSA-H 0.000 description 1
- XUYMFRXVXVREOB-UHFFFAOYSA-H [Fe+2].[Co](Cl)Cl.S(=O)(=O)([O-])[O-].[Fe+2].S(=O)(=O)([O-])[O-] Chemical compound [Fe+2].[Co](Cl)Cl.S(=O)(=O)([O-])[O-].[Fe+2].S(=O)(=O)([O-])[O-] XUYMFRXVXVREOB-UHFFFAOYSA-H 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- IERXRQBXQNKAGU-UHFFFAOYSA-H dichloronickel iron(2+) disulfate Chemical compound [Fe+2].[Ni](Cl)Cl.S(=O)(=O)([O-])[O-].[Fe+2].S(=O)(=O)([O-])[O-] IERXRQBXQNKAGU-UHFFFAOYSA-H 0.000 description 1
- 238000010130 dispersion processing Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- ANAIULQUYDWKAL-UHFFFAOYSA-J iron(2+);disulfate Chemical compound [Fe+2].[Fe+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ANAIULQUYDWKAL-UHFFFAOYSA-J 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- BECVLEVEVXAFSH-UHFFFAOYSA-K manganese(3+);phosphate Chemical group [Mn+3].[O-]P([O-])([O-])=O BECVLEVEVXAFSH-UHFFFAOYSA-K 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 235000015149 toffees Nutrition 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
- C23C22/18—Orthophosphates containing manganese cations
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/82—After-treatment
- C23C22/83—Chemical after-treatment
-
- 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
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear
-
- 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
-
- 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)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Chemical Treatment Of Metals (AREA)
- Lubricants (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23985194A JPH08105582A (ja) | 1994-10-04 | 1994-10-04 | 耐ゴーリング性に優れた高Ｃｒ合金鋼製鋼管継手の表面処理方法 |
| JP6239850A JP3056646B2 (ja) | 1994-10-04 | 1994-10-04 | 耐ゴーリング性に優れた鋼管継手の表面処理方法 |
| JP4324595A JPH08233163A (ja) | 1995-03-02 | 1995-03-02 | 無潤滑下での耐焼付き性に優れたネジ継手 |
| JP4324695A JPH08233164A (ja) | 1995-03-02 | 1995-03-02 | 無潤滑下での耐焼付き性に優れたネジ継手 |
| PCT/JP1995/002034 WO1996010710A1 (fr) | 1994-10-04 | 1995-10-04 | Union de tuyaux d'acier presentant une resistance elevee au grippage et traitement de surface destine a cet effet |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO971523D0 NO971523D0 (no) | 1997-04-03 |
| NO971523L NO971523L (no) | 1997-06-03 |
| NO328656B1 true NO328656B1 (no) | 2010-04-19 |
Family
ID=27461344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19971523A NO328656B1 (no) | 1994-10-04 | 1997-04-03 | Stalrorforbindelse med hoy rivingsmotstand, samt fremgangsmate for overflatebehandling av denne |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6027145A (fr) |
| EP (1) | EP0786616B9 (fr) |
| CN (1) | CN1159851A (fr) |
| DE (1) | DE69527635T4 (fr) |
| NO (1) | NO328656B1 (fr) |
| WO (1) | WO1996010710A1 (fr) |
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| CN114276864B (zh) * | 2021-12-30 | 2022-10-25 | 二重（德阳）重型装备有限公司 | 水性不锈钢紧固件防卡咬剂及其制备方法 |
| CN116251722B (zh) * | 2023-04-10 | 2023-12-29 | 安徽工业大学 | 一种齿轮钢表面硫基自润滑涂层的制备方法 |
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- 1995-10-04 EP EP95933616A patent/EP0786616B9/fr not_active Expired - Lifetime
- 1995-10-04 WO PCT/JP1995/002034 patent/WO1996010710A1/fr active IP Right Grant
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Also Published As
| Publication number | Publication date |
|---|---|
| NO971523L (no) | 1997-06-03 |
| US6027145A (en) | 2000-02-22 |
| EP0786616B1 (fr) | 2002-07-31 |
| DE69527635T2 (de) | 2003-02-27 |
| WO1996010710A1 (fr) | 1996-04-11 |
| DE69527635T4 (de) | 2010-10-28 |
| DE69527635T3 (de) | 2009-07-09 |
| CN1159851A (zh) | 1997-09-17 |
| EP0786616A4 (fr) | 1998-05-27 |
| EP0786616B9 (fr) | 2010-09-08 |
| EP0786616B2 (fr) | 2009-02-11 |
| NO971523D0 (no) | 1997-04-03 |
| EP0786616A1 (fr) | 1997-07-30 |
| DE69527635D1 (de) | 2002-09-05 |
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