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FR511645A - Improvements to wood screws - Google Patents

Improvements to wood screws

Info

Publication number
FR511645A
FR511645A FR511645A FR511645DA FR511645A FR 511645 A FR511645 A FR 511645A FR 511645 A FR511645 A FR 511645A FR 511645D A FR511645D A FR 511645DA FR 511645 A FR511645 A FR 511645A
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
FR511645A
Other languages
French (fr)
Inventor
John William Caldwell
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR511645A publication Critical patent/FR511645A/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
    • F16B25/0036—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
    • F16B25/0047—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 ridge being characterised by its cross-section in the plane of the shaft axis
    • 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
    • F16B25/0068—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 with multiple-threads, e.g. a double thread screws
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/919—Screw having driving contacts

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)
  • Connection Of Plates (AREA)
  • Golf Clubs (AREA)
  • Joining Of Building Structures In Genera (AREA)
FR511645A 1916-12-14 1920-03-16 Improvements to wood screws Expired FR511645A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US136867A US1336773A (en) 1916-12-14 1916-12-14 Screw
GB6456/20A GB162148A (en) 1916-12-14 1920-03-03 Improvements in wood screws
FR511645T 1920-03-16

Publications (1)

Publication Number Publication Date
FR511645A true FR511645A (en) 1920-12-30

Family

ID=22474739

Family Applications (1)

Application Number Title Priority Date Filing Date
FR511645A Expired FR511645A (en) 1916-12-14 1920-03-16 Improvements to wood screws

Country Status (3)

Country Link
US (1) US1336773A (en)
FR (1) FR511645A (en)
GB (1) GB162148A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401349A1 (en) * 1977-06-03 1979-03-23 Feist Artus SCREWS FOR FIXING A SHEET ON FLEXIBLE PIPE ASSEMBLY PLATES

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2787186A (en) * 1952-03-28 1957-04-02 Brogiotti Antonin Screw spike with compression producing thread form
US3793786A (en) * 1971-08-31 1974-02-26 Joslyn Mfg & Supply Co Screw anchor
US4027573A (en) * 1975-06-20 1977-06-07 Interior Fasteners, Inc. Self-tapping screw fastener with improved thread construction
JPS5597513A (en) * 1979-01-17 1980-07-24 Topura Kk Selffdrilling screw
AT376021B (en) * 1982-09-23 1984-10-10 Rehau Plastiks In Austria Ges CONNECTING ELEMENT FOR PACKING LAYERS
US8540755B2 (en) 2003-07-21 2013-09-24 Robin C. Whitmore Self-drilling self-tapping bone screw
US20050021036A1 (en) * 2003-07-21 2005-01-27 Whitmore Robin C. Self-drilling, self-tapping bone screw
US20080025816A1 (en) * 2006-07-28 2008-01-31 Jau Yeou Industry Co., Ltd. Multiple-thread screw
DE102013210566A1 (en) * 2013-06-06 2014-12-11 Swg Schraubenwerk Gaisbach Gmbh screw
SE539274C2 (en) * 2015-10-28 2017-06-07 Essve Produkter Ab Easy starting screw
US11066827B2 (en) 2018-03-15 2021-07-20 Daysh Developments, Inc. Precision dry-stack masonry unit
TWI809316B (en) * 2020-09-26 2023-07-21 徐國泰 Anti-pullout low-resistance screw

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401349A1 (en) * 1977-06-03 1979-03-23 Feist Artus SCREWS FOR FIXING A SHEET ON FLEXIBLE PIPE ASSEMBLY PLATES

Also Published As

Publication number Publication date
GB162148A (en) 1921-04-28
US1336773A (en) 1920-04-13

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