FR1008781A - Wood screws - Google Patents

Wood screws

Info

Publication number
FR1008781A
FR1008781A FR1008781DA FR1008781A FR 1008781 A FR1008781 A FR 1008781A FR 1008781D A FR1008781D A FR 1008781DA FR 1008781 A FR1008781 A FR 1008781A
Authority
FR
France
Prior art keywords
wood screws
wood
screws
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
Other languages
French (fr)
Inventor
Jean-Charles Pradal
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 filed Critical
Application granted granted Critical
Publication of FR1008781A publication Critical patent/FR1008781A/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
    • 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
    • F16B25/106—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a self-piercing screw-point, i.e. without removing material
    • 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
    • F16B25/0042—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

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)
FR1008781D 1948-05-25 1948-05-25 Wood screws Expired FR1008781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1008781T 1948-05-25

Publications (1)

Publication Number Publication Date
FR1008781A true FR1008781A (en) 1952-05-21

Family

ID=9567655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1008781D Expired FR1008781A (en) 1948-05-25 1948-05-25 Wood screws

Country Status (1)

Country Link
FR (1) FR1008781A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3238836A (en) * 1964-03-25 1966-03-08 Harry W Johnson Drilling reaming work extruding self-tapping screw
US3318182A (en) * 1965-11-03 1967-05-09 Textron Ind Inc Self-thread-forming screw with drill point and method of making same
US3357295A (en) * 1965-04-24 1967-12-12 Gkn Screws Fasteners Ltd Self-tapping screws
US4311423A (en) * 1975-04-25 1982-01-19 Fumio Hirabayashi Hole-drilling, extruding and thread-forming sheet screw
US4568229A (en) * 1983-05-09 1986-02-04 Construction Fasteners, Inc. Drill tip and fastener employing 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
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
EP0761992A1 (en) * 1995-09-06 1997-03-12 A-Z Ausrüstung und Zubehör GmbH & Co. KG Self-tapping fastening element
WO1997041325A1 (en) * 1996-04-25 1997-11-06 Sfs Industrie Holding Ag Adjusting device for a component, e.g. a window or door frame, to be fitted in an aperture in a building

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3238836A (en) * 1964-03-25 1966-03-08 Harry W Johnson Drilling reaming work extruding self-tapping screw
US3357295A (en) * 1965-04-24 1967-12-12 Gkn Screws Fasteners Ltd Self-tapping screws
US3318182A (en) * 1965-11-03 1967-05-09 Textron Ind Inc Self-thread-forming screw with drill point and method of making same
US4311423A (en) * 1975-04-25 1982-01-19 Fumio Hirabayashi Hole-drilling, extruding and thread-forming sheet screw
US4568229A (en) * 1983-05-09 1986-02-04 Construction Fasteners, Inc. Drill tip and fastener employing 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
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
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
EP0761992A1 (en) * 1995-09-06 1997-03-12 A-Z Ausrüstung und Zubehör GmbH & Co. KG Self-tapping fastening element
WO1997041325A1 (en) * 1996-04-25 1997-11-06 Sfs Industrie Holding Ag Adjusting device for a component, e.g. a window or door frame, to be fitted in an aperture in a building

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