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)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (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)
- Chemical Treatment Of Metals (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Lubricants (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
| 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 |
| 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 (ja) |
| EP (1) | EP0786616B9 (ja) |
| CN (1) | CN1159851A (ja) |
| DE (1) | DE69527635T4 (ja) |
| NO (1) | NO328656B1 (ja) |
| WO (1) | WO1996010710A1 (ja) |
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| JP2022543122A (ja) * | 2019-08-02 | 2022-10-07 | ノードソン コーポレーション | ディスペンスチップ及びディスペンスチップを製造するための方法 |
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- 1995-10-04 DE DE1995627635 patent/DE69527635T4/de not_active Expired - Lifetime
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Also Published As
| Publication number | Publication date |
|---|---|
| CN1159851A (zh) | 1997-09-17 |
| EP0786616B9 (en) | 2010-09-08 |
| DE69527635T3 (de) | 2009-07-09 |
| EP0786616B2 (en) | 2009-02-11 |
| NO971523D0 (no) | 1997-04-03 |
| EP0786616A1 (en) | 1997-07-30 |
| WO1996010710A1 (fr) | 1996-04-11 |
| US6027145A (en) | 2000-02-22 |
| DE69527635D1 (de) | 2002-09-05 |
| EP0786616B1 (en) | 2002-07-31 |
| NO971523L (no) | 1997-06-03 |
| DE69527635T4 (de) | 2010-10-28 |
| DE69527635T2 (de) | 2003-02-27 |
| EP0786616A4 (en) | 1998-05-27 |
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