BE620370A - - Google Patents

Info

Publication number
BE620370A
BE620370A BE620370DA BE620370A BE 620370 A BE620370 A BE 620370A BE 620370D A BE620370D A BE 620370DA BE 620370 A BE620370 A BE 620370A
Authority
BE
Belgium
Application number
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.)
Publication of BE620370A publication Critical patent/BE620370A/xx

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
    • F16B25/0084—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 geometric details of the tip
    • 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

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)
  • Floor Finish (AREA)
  • Joining Of Corner Units Of Frames Or Wings (AREA)
  • Connection Of Plates (AREA)
BE620370D 1961-11-23 BE620370A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA836685 1961-11-23

Publications (1)

Publication Number Publication Date
BE620370A true BE620370A (de)

Family

ID=4141397

Family Applications (1)

Application Number Title Priority Date Filing Date
BE620370D BE620370A (de) 1961-11-23

Country Status (4)

Country Link
BE (1) BE620370A (de)
DE (1) DE1198135B (de)
GB (1) GB925135A (de)
NL (1) NL280707A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH616211A5 (de) * 1977-10-06 1980-03-14 Terep Techn Res & Prod Eng Co
US4235149A (en) * 1978-08-17 1980-11-25 Veldman Donald R Self-thread creating fastener and method and apparatus for making the same
DE29513571U1 (de) * 1995-08-24 1995-12-14 Hsu Kuo Tai Schraube
GB2313167B (en) * 1996-05-15 2000-05-10 Chen Sen Yang Screw for fibrous boards
DE19632838A1 (de) * 1996-08-15 1998-02-19 Wuerth Adolf Gmbh & Co Kg Schraube mit einer selbstbohrenden Spitze
CN105782202A (zh) * 2016-04-21 2016-07-20 海盐新盛达标准件有限公司 一种导屑易转的木螺钉

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE65519C (de) * E. PARR in Isleworth, Grafsch. Middlesex, England Holzschraube mit Bohrnuth
GB171334A (en) * 1921-02-28 1921-11-17 Robert Edward Hardy Improved metal screw for use in woodwork

Also Published As

Publication number Publication date
GB925135A (en) 1963-05-01
NL280707A (de)
DE1198135B (de) 1965-08-05

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