FR1328835A - Self-tapping wood screws - Google Patents

Self-tapping wood screws

Info

Publication number
FR1328835A
FR1328835A FR904032A FR904032A FR1328835A FR 1328835 A FR1328835 A FR 1328835A FR 904032 A FR904032 A FR 904032A FR 904032 A FR904032 A FR 904032A FR 1328835 A FR1328835 A FR 1328835A
Authority
FR
France
Prior art keywords
self
wood screws
tapping wood
tapping
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
FR904032A
Other languages
French (fr)
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.)
PL Robertson Manufacturing Co Ltd
Original Assignee
PL Robertson Manufacturing Co 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 PL Robertson Manufacturing Co Ltd filed Critical PL Robertson Manufacturing Co Ltd
Priority to FR904032A priority Critical patent/FR1328835A/en
Application granted granted Critical
Publication of FR1328835A publication Critical patent/FR1328835A/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
    • F16B25/0036—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
    • F16B25/001—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
    • F16B25/10—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)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
FR904032A 1961-11-23 1962-07-13 Self-tapping wood screws Expired FR1328835A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR904032A FR1328835A (en) 1961-11-23 1962-07-13 Self-tapping wood screws

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA836685 1961-11-23
FR904032A FR1328835A (en) 1961-11-23 1962-07-13 Self-tapping wood screws

Publications (1)

Publication Number Publication Date
FR1328835A true FR1328835A (en) 1963-05-31

Family

ID=25673380

Family Applications (1)

Application Number Title Priority Date Filing Date
FR904032A Expired FR1328835A (en) 1961-11-23 1962-07-13 Self-tapping wood screws

Country Status (1)

Country Link
FR (1) FR1328835A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012441A1 (en) * 1978-12-14 1980-06-25 Eberhard Jaeger GmbH & Co. KG Self-tapping drill-screw

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012441A1 (en) * 1978-12-14 1980-06-25 Eberhard Jaeger GmbH & Co. KG Self-tapping drill-screw

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