WO1994025764A1 - A screw - Google Patents
A screw Download PDFInfo
- Publication number
- WO1994025764A1 WO1994025764A1 PCT/SE1994/000400 SE9400400W WO9425764A1 WO 1994025764 A1 WO1994025764 A1 WO 1994025764A1 SE 9400400 W SE9400400 W SE 9400400W WO 9425764 A1 WO9425764 A1 WO 9425764A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- screw
- layer
- screw according
- maximally
- steel
- Prior art date
Links
- 238000005121 nitriding Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims abstract description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 17
- 239000011701 zinc Substances 0.000 claims description 17
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 16
- 150000002500 ions Chemical class 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000004922 lacquer Substances 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000003792 electrolyte Substances 0.000 claims description 4
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 239000011800 void material Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 19
- 238000012360 testing method Methods 0.000 description 18
- 230000007797 corrosion Effects 0.000 description 10
- 238000005260 corrosion Methods 0.000 description 10
- 238000005553 drilling Methods 0.000 description 9
- 239000011651 chromium Substances 0.000 description 8
- 239000002344 surface layer Substances 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000010949 copper Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000005554 pickling Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 229910001423 beryllium ion Inorganic materials 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- -1 max 0.1 % C Chemical compound 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004532 chromating Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 235000011150 stannous chloride Nutrition 0.000 description 1
- AXZWODMDQAVCJE-UHFFFAOYSA-L tin(II) chloride (anhydrous) Chemical compound [Cl-].[Cl-].[Sn+2] AXZWODMDQAVCJE-UHFFFAOYSA-L 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 150000003751 zinc Chemical class 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
- F16B25/103—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a drilling screw-point, i.e. with a cutting and material removing action
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
- C23C8/38—Treatment of ferrous surfaces
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
-
- 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
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/001—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed
- F16B25/0031—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed the screw being designed to be screwed into different materials, e.g. a layered structure or through metallic and wooden parts
-
- 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
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
- F16B25/0042—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
- F16B25/0057—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw the screw having distinct axial zones, e.g. multiple axial thread sections with different pitch or thread cross-sections
-
- 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
- F16B33/008—Corrosion preventing means
-
- 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
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94915315A EP0697072A1 (en) | 1993-05-04 | 1994-05-03 | A screw |
JP6524178A JPH08509799A (en) | 1993-05-04 | 1994-05-03 | screw |
AU66617/94A AU6661794A (en) | 1993-05-04 | 1994-05-03 | A screw |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9301517A SE9301517D0 (en) | 1993-05-04 | 1993-05-04 | SCREW |
SE9301517-0 | 1993-05-04 | ||
SE9304267-9 | 1993-12-23 | ||
SE9304267A SE9304267D0 (en) | 1993-12-23 | 1993-12-23 | Screw |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994025764A1 true WO1994025764A1 (en) | 1994-11-10 |
Family
ID=26661728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1994/000400 WO1994025764A1 (en) | 1993-05-04 | 1994-05-03 | A screw |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0697072A1 (en) |
JP (1) | JPH08509799A (en) |
AU (1) | AU6661794A (en) |
CA (1) | CA2160793A1 (en) |
WO (1) | WO1994025764A1 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996019675A1 (en) * | 1994-12-21 | 1996-06-27 | Sfs Industrie Holding Ag | Hole-shaping and thread-forming screw and process for driving in the same |
WO1996019676A1 (en) * | 1994-12-21 | 1996-06-27 | Sfs Industrie Holding Ag | Hole-shaping and thread-forming screw and process for driving in the same |
GB2315079A (en) * | 1996-07-08 | 1998-01-21 | Rhp Bearings Ltd | Ion nitriding surface treatment of rolling element bearing steels |
DE102004053803A1 (en) * | 2004-11-08 | 2006-05-24 | Hilti Ag | Thread-forming screw |
EP1710455A1 (en) * | 2005-04-08 | 2006-10-11 | Shinjo MFG. Co., Ltd. | Self-drilling screw for use with steel sheets |
EP2068012A2 (en) * | 2007-12-03 | 2009-06-10 | BSH Bosch und Siemens Hausgeräte GmbH | Screw with hardened threads |
EP2003348A3 (en) * | 2007-06-15 | 2010-02-10 | Adolf Würth GmbH & Co. KG | Screw and its utilisation |
WO2012072209A1 (en) * | 2010-12-01 | 2012-06-07 | Oerlikon Trading Ag, Trübbach | Plastic processing component with modified steel surface |
EP2468929B1 (en) | 2010-12-27 | 2015-04-08 | Fontana Fasteners R.D. S.r.l. | Process for coating threaded metallic pieces |
WO2016023855A1 (en) * | 2014-08-14 | 2016-02-18 | Sfs Intec Holding Ag | Drilling screw |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5746832B2 (en) * | 2010-06-07 | 2015-07-08 | 株式会社田中 | Stainless steel screws |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3235447A1 (en) * | 1981-10-27 | 1983-05-11 | Yugen Kaisha Shinjo Seisakusho, Osaka | Drilling screw |
EP0523298A1 (en) * | 1991-07-18 | 1993-01-20 | Daidousanso Co., Ltd. | A hard austenitic stainless steel screw |
-
1994
- 1994-05-03 CA CA 2160793 patent/CA2160793A1/en not_active Abandoned
- 1994-05-03 AU AU66617/94A patent/AU6661794A/en not_active Abandoned
- 1994-05-03 WO PCT/SE1994/000400 patent/WO1994025764A1/en not_active Application Discontinuation
- 1994-05-03 JP JP6524178A patent/JPH08509799A/en active Pending
- 1994-05-03 EP EP94915315A patent/EP0697072A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3235447A1 (en) * | 1981-10-27 | 1983-05-11 | Yugen Kaisha Shinjo Seisakusho, Osaka | Drilling screw |
EP0523298A1 (en) * | 1991-07-18 | 1993-01-20 | Daidousanso Co., Ltd. | A hard austenitic stainless steel screw |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996019676A1 (en) * | 1994-12-21 | 1996-06-27 | Sfs Industrie Holding Ag | Hole-shaping and thread-forming screw and process for driving in the same |
AU702314B2 (en) * | 1994-12-21 | 1999-02-18 | Sfs Industrie Holding Ag | Hole-shaping and thread-forming screw and process for driving in the same |
CN1058325C (en) * | 1994-12-21 | 2000-11-08 | Sfs工业控股公司 | Hole-shaping and thread-forming screw and process for driving in the same |
US6428258B1 (en) | 1994-12-21 | 2002-08-06 | Sfs Industrie Holding Ag | Non cutting hole-shaping and thread-forming stainless screw and process with impact for driving in the same |
WO1996019675A1 (en) * | 1994-12-21 | 1996-06-27 | Sfs Industrie Holding Ag | Hole-shaping and thread-forming screw and process for driving in the same |
GB2315079A (en) * | 1996-07-08 | 1998-01-21 | Rhp Bearings Ltd | Ion nitriding surface treatment of rolling element bearing steels |
GB2315079B (en) * | 1996-07-08 | 1999-03-24 | Rhp Bearings Ltd | Surface treatment of rolling element bearing steel |
DE102004053803A1 (en) * | 2004-11-08 | 2006-05-24 | Hilti Ag | Thread-forming screw |
DE102004053803B4 (en) * | 2004-11-08 | 2006-10-26 | Hilti Ag | Thread-forming screw |
EP1710455A1 (en) * | 2005-04-08 | 2006-10-11 | Shinjo MFG. Co., Ltd. | Self-drilling screw for use with steel sheets |
EP2003348A3 (en) * | 2007-06-15 | 2010-02-10 | Adolf Würth GmbH & Co. KG | Screw and its utilisation |
EP2068012A2 (en) * | 2007-12-03 | 2009-06-10 | BSH Bosch und Siemens Hausgeräte GmbH | Screw with hardened threads |
EP2068012A3 (en) * | 2007-12-03 | 2011-11-23 | BSH Bosch und Siemens Hausgeräte GmbH | Screw with hardened threads |
WO2012072209A1 (en) * | 2010-12-01 | 2012-06-07 | Oerlikon Trading Ag, Trübbach | Plastic processing component with modified steel surface |
EP2468929B1 (en) | 2010-12-27 | 2015-04-08 | Fontana Fasteners R.D. S.r.l. | Process for coating threaded metallic pieces |
WO2016023855A1 (en) * | 2014-08-14 | 2016-02-18 | Sfs Intec Holding Ag | Drilling screw |
CN106662137A (en) * | 2014-08-14 | 2017-05-10 | Sfs因泰克控股股份公司 | Drilling screw |
AU2015303305B2 (en) * | 2014-08-14 | 2018-07-26 | Sfs Intec Holding Ag | Drilling screw |
CN106662137B (en) * | 2014-08-14 | 2019-03-01 | Sfs因泰克控股股份公司 | Tapping screw |
US10221880B2 (en) | 2014-08-14 | 2019-03-05 | Sfs Intec Holding Ag | Drilling screw |
RU2683973C2 (en) * | 2014-08-14 | 2019-04-03 | Сфс Интек Холдинг Аг | Self-cutting screw and use of self-cutting screw |
Also Published As
Publication number | Publication date |
---|---|
JPH08509799A (en) | 1996-10-15 |
EP0697072A1 (en) | 1996-02-21 |
AU6661794A (en) | 1994-11-21 |
CA2160793A1 (en) | 1994-11-10 |
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