AU689729B2 - Screw for fibrous boards - Google Patents

Screw for fibrous boards

Info

Publication number
AU689729B2
AU689729B2 AU71708/96A AU7170896A AU689729B2 AU 689729 B2 AU689729 B2 AU 689729B2 AU 71708/96 A AU71708/96 A AU 71708/96A AU 7170896 A AU7170896 A AU 7170896A AU 689729 B2 AU689729 B2 AU 689729B2
Authority
AU
Australia
Prior art keywords
screw
fibrous boards
fibrous
boards
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.)
Ceased
Application number
AU71708/96A
Other versions
AU7170896A (en
Inventor
Sen-Yang Chen
Chao-Tai Cheng
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.)
SEN YANG CHEN
Original Assignee
SEN YANG CHEN
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 TW084216964U external-priority patent/TW296757U/en
Application filed by SEN YANG CHEN filed Critical SEN YANG CHEN
Publication of AU7170896A publication Critical patent/AU7170896A/en
Application granted granted Critical
Publication of AU689729B2 publication Critical patent/AU689729B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • F16B25/0015—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 material being a soft organic material, e.g. wood or plastic
    • 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
    • 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
    • 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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/06—Specially-shaped heads
    • F16B35/065—Specially-shaped heads with self-countersink-cutting means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Forging (AREA)
  • Connection Of Plates (AREA)
AU71708/96A 1995-11-25 1996-11-11 Screw for fibrous boards Ceased AU689729B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
TW84216964 1995-11-25
TW084216964U TW296757U (en) 1995-11-25 1995-11-25 A thread cutting screw
CA002225056A CA2225056C (en) 1995-11-25 1997-12-17 Screw

Publications (2)

Publication Number Publication Date
AU7170896A AU7170896A (en) 1997-05-29
AU689729B2 true AU689729B2 (en) 1998-04-02

Family

ID=33435753

Family Applications (1)

Application Number Title Priority Date Filing Date
AU71708/96A Ceased AU689729B2 (en) 1995-11-25 1996-11-11 Screw for fibrous boards

Country Status (2)

Country Link
AU (1) AU689729B2 (en)
CA (1) CA2225056C (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1954562A (en) * 1961-11-23 1964-01-09 P. L. Robertson Mfg. Co. Limited Self-tapping wood screw
AU7729175A (en) * 1973-08-22 1976-07-15 Mite Corporation Self-tapping and self-retaining screw thread insert
DE3242926A1 (en) * 1982-11-20 1984-05-24 Schrauben Betzer GmbH & Co KG, 5880 Lüdenscheid Self-tapping screw

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1954562A (en) * 1961-11-23 1964-01-09 P. L. Robertson Mfg. Co. Limited Self-tapping wood screw
AU7729175A (en) * 1973-08-22 1976-07-15 Mite Corporation Self-tapping and self-retaining screw thread insert
DE3242926A1 (en) * 1982-11-20 1984-05-24 Schrauben Betzer GmbH & Co KG, 5880 Lüdenscheid Self-tapping screw

Also Published As

Publication number Publication date
CA2225056C (en) 2001-10-16
CA2225056A1 (en) 1999-06-17
AU7170896A (en) 1997-05-29

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