CA2160793A1 - A screw - Google Patents

A screw

Info

Publication number
CA2160793A1
CA2160793A1 CA 2160793 CA2160793A CA2160793A1 CA 2160793 A1 CA2160793 A1 CA 2160793A1 CA 2160793 CA2160793 CA 2160793 CA 2160793 A CA2160793 A CA 2160793A CA 2160793 A1 CA2160793 A1 CA 2160793A1
Authority
CA
Canada
Prior art keywords
screw
layer
maximally
screws
steel
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA 2160793
Other languages
English (en)
French (fr)
Inventor
Tonny Westlund
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BERGHOLTZ GORAN
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from SE9301517A external-priority patent/SE9301517D0/xx
Priority claimed from SE9304267A external-priority patent/SE9304267D0/xx
Application filed by Individual filed Critical Individual
Publication of CA2160793A1 publication Critical patent/CA2160793A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/10Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
    • F16B25/103Screws 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
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C8/00Solid 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
    • C23C8/06Solid 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
    • C23C8/36Solid 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
    • C23C8/38Treatment of ferrous surfaces
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C8/00Solid 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
    • C23C8/80After-treatment
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/001Screws 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
    • F16B25/0031Screws 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0042Screws 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
    • F16B25/0057Screws 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B33/00Features common to bolt and nut
    • F16B33/008Corrosion preventing means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B33/00Features common to bolt and nut
    • F16B33/06Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure or fretting

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
CA 2160793 1993-05-04 1994-05-03 A screw Abandoned CA2160793A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE9301517A SE9301517D0 (sv) 1993-05-04 1993-05-04 Skruv
SESE9301517-0 1993-05-04
SE9304267A SE9304267D0 (sv) 1993-12-23 1993-12-23 Skruv
SESE9304267-9 1993-12-23

Publications (1)

Publication Number Publication Date
CA2160793A1 true CA2160793A1 (en) 1994-11-10

Family

ID=26661728

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2160793 Abandoned CA2160793A1 (en) 1993-05-04 1994-05-03 A screw

Country Status (5)

Country Link
EP (1) EP0697072A1 (ja)
JP (1) JPH08509799A (ja)
AU (1) AU6661794A (ja)
CA (1) CA2160793A1 (ja)
WO (1) WO1994025764A1 (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4445815C2 (de) * 1994-12-21 1999-10-07 Sfs Ind Holding Ag Loch- und gewindeformende Schraube sowie Verfahren zum Eindrehen derselben
DE4445806C1 (de) * 1994-12-21 1996-08-29 Sfs Ind Holding Ag Loch- und gewindeformende Schraube sowie Verfahren zum Eindrehen derselben
GB9614303D0 (en) * 1996-07-08 1996-09-04 Nsk Rhp Europe Technology Co Ltd Surface treatment of bearing steels
DE102004053803B4 (de) * 2004-11-08 2006-10-26 Hilti Ag Gewindefurchende Schraube
EP1710455A1 (en) * 2005-04-08 2006-10-11 Shinjo MFG. Co., Ltd. Self-drilling screw for use with steel sheets
DE102007029255A1 (de) * 2007-06-15 2008-12-18 Würth, Adolf Schraube und ihre Verwendung
EP2068012A3 (de) * 2007-12-03 2011-11-23 BSH Bosch und Siemens Hausgeräte GmbH Schraube mit einem gehärteten Gewindeteil
JP5746832B2 (ja) * 2010-06-07 2015-07-08 株式会社田中 ステンレス鋼製ねじ
DE102010052894A1 (de) * 2010-12-01 2012-06-06 Oerlikon Trading Ag Kunststoffverarbeitungskomponente mit modifizierter Stahloberfläche
IT1405319B1 (it) 2010-12-27 2014-01-03 Fontana R D S R L Procedimento di rivestimento di pezzi metallici filettati
DE102014012142A1 (de) * 2014-08-14 2016-02-18 Sfs Intec Holding Ag Bohrschraube

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5872711A (ja) * 1981-10-27 1983-04-30 有限会社新城製作所 オ−ステナイト系ステンレス鋼からなるドリルねじ
ATE117742T1 (de) * 1991-07-18 1995-02-15 Daido Oxygen Schraube aus hartem rostfreiem austenitischem stahl.

Also Published As

Publication number Publication date
WO1994025764A1 (en) 1994-11-10
JPH08509799A (ja) 1996-10-15
AU6661794A (en) 1994-11-21
EP0697072A1 (en) 1996-02-21

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Legal Events

Date Code Title Description
FZDE Dead