AU494077B2 - An improved screw - Google Patents

An improved screw

Info

Publication number
AU494077B2
AU494077B2 AU12250/76A AU1225076A AU494077B2 AU 494077 B2 AU494077 B2 AU 494077B2 AU 12250/76 A AU12250/76 A AU 12250/76A AU 1225076 A AU1225076 A AU 1225076A AU 494077 B2 AU494077 B2 AU 494077B2
Authority
AU
Australia
Prior art keywords
improved screw
screw
improved
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.)
Expired
Application number
AU12250/76A
Other versions
AU1225076A (en
Inventor
John Mcmahon Robert
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.)
WA Deutsher Pty Ltd
Original Assignee
WA Deutsher Pty 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.)
Filing date
Publication date
Application filed by WA Deutsher Pty Ltd filed Critical WA Deutsher Pty Ltd
Priority to AU12250/76A priority Critical patent/AU494077B2/en
Application granted granted Critical
Publication of AU1225076A publication Critical patent/AU1225076A/en
Publication of AU494077B2 publication Critical patent/AU494077B2/en
Expired legal-status Critical Current

Links

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
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0275—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the screw-threaded element having at least two axially separated threaded portions
    • 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
    • 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
    • F16B25/0078—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw with a shaft of non-circular cross-section or other special geometric features of the shaft
    • 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
    • F16B33/02—Shape of thread; Special thread-forms
    • F16B2033/025—Shape of thread; Special thread-forms with left-hand thread

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
AU12250/76A 1975-03-21 1976-03-21 An improved screw Expired AU494077B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU12250/76A AU494077B2 (en) 1975-03-21 1976-03-21 An improved screw

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPC098675 1975-03-21
AU12250/76A AU494077B2 (en) 1975-03-21 1976-03-21 An improved screw

Publications (2)

Publication Number Publication Date
AU1225076A AU1225076A (en) 1977-10-13
AU494077B2 true AU494077B2 (en) 1977-10-13

Family

ID=25614768

Family Applications (1)

Application Number Title Priority Date Filing Date
AU12250/76A Expired AU494077B2 (en) 1975-03-21 1976-03-21 An improved screw

Country Status (1)

Country Link
AU (1) AU494077B2 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU642691B2 (en) * 1990-01-16 1993-10-28 Itw Afc Pty Ltd Improved screw and method of making same
NL9400017A (en) * 1994-01-06 1995-08-01 Lamikon B V Method and dowel for forming a connection between wooden parts
EP1557575A1 (en) * 2004-01-22 2005-07-27 Jen-Tong Ho Screw with a plurality of screwing angles and thread rolling die for forming the same
WO2014018542A1 (en) * 2012-07-23 2014-01-30 Simpson Strong-Tie Company, Inc. Fastener with drill pilot and reversed threaded regions
US9482258B2 (en) 2012-05-10 2016-11-01 Simpson Strong-Tie Company, Inc. Fastener with multiple threaded regions
US9651079B2 (en) 2013-03-21 2017-05-16 Simpson Strong-Tie Company, Inc. Fastener with prolate cross-section
AT521285A1 (en) * 2018-05-17 2019-12-15 Sihga GmbH Cladding of a building surface and matching screw
US11181138B2 (en) 2013-03-26 2021-11-23 Simpson Strong-Tie Company, Inc. Variable thread knurl fastener

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU642691B2 (en) * 1990-01-16 1993-10-28 Itw Afc Pty Ltd Improved screw and method of making same
NL9400017A (en) * 1994-01-06 1995-08-01 Lamikon B V Method and dowel for forming a connection between wooden parts
EP1557575A1 (en) * 2004-01-22 2005-07-27 Jen-Tong Ho Screw with a plurality of screwing angles and thread rolling die for forming the same
US9482258B2 (en) 2012-05-10 2016-11-01 Simpson Strong-Tie Company, Inc. Fastener with multiple threaded regions
US10480559B2 (en) 2012-05-10 2019-11-19 Simpson Strong-Tie Company, Inc. Fastener with head cutting structure
WO2014018542A1 (en) * 2012-07-23 2014-01-30 Simpson Strong-Tie Company, Inc. Fastener with drill pilot and reversed threaded regions
AU2013293153B2 (en) * 2012-07-23 2017-10-05 Simpson Strong-Tie Company, Inc. Fastener with drill pilot and reversed threaded regions
US9651079B2 (en) 2013-03-21 2017-05-16 Simpson Strong-Tie Company, Inc. Fastener with prolate cross-section
US11181138B2 (en) 2013-03-26 2021-11-23 Simpson Strong-Tie Company, Inc. Variable thread knurl fastener
AT521285A1 (en) * 2018-05-17 2019-12-15 Sihga GmbH Cladding of a building surface and matching screw
AT521285B1 (en) * 2018-05-17 2021-03-15 Sihga GmbH Cladding of a building area and matching screw

Also Published As

Publication number Publication date
AU1225076A (en) 1977-10-13

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