FR637825A - Improvements to screws or lag screws - Google Patents

Improvements to screws or lag screws

Info

Publication number
FR637825A
FR637825A FR637825DA FR637825A FR 637825 A FR637825 A FR 637825A FR 637825D A FR637825D A FR 637825DA FR 637825 A FR637825 A FR 637825A
Authority
FR
France
Prior art keywords
screws
lag
lag 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
Heyman Rosenberg
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22414976&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR637825(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Application granted granted Critical
Publication of FR637825A publication Critical patent/FR637825A/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
    • F16B25/0042—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
    • F16B25/001—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
    • F16B25/0021—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 metal, e.g. sheet-metal or aluminium
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Connection Of Plates (AREA)
  • Dowels (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
FR637825D 1926-07-23 1927-07-16 Improvements to screws or lag screws Expired FR637825A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US124454A US1809758A (en) 1926-07-23 1926-07-23 Fastener

Publications (1)

Publication Number Publication Date
FR637825A true FR637825A (en) 1928-05-09

Family

ID=22414976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR637825D Expired FR637825A (en) 1926-07-23 1927-07-16 Improvements to screws or lag screws

Country Status (4)

Country Link
US (1) US1809758A (en)
DE (1) DE480449C (en)
FR (1) FR637825A (en)
GB (1) GB274833A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE908270C (en) * 1941-03-13 1954-04-05 Paul Jordan Fastening the upper part of two-part installation devices, especially two-part clamps for laying electrical cables
US2437638A (en) * 1942-10-23 1948-03-09 Dardelet Threadlock Corp Stud and installation thereof
DE1292449B (en) * 1960-12-19 1969-04-10 Thyssen Schraubenwerke Gmbh Self-tapping screw
US3094895A (en) * 1961-02-28 1963-06-25 Elco Tool And Screw Corp Combination piercing, reaming and tapping screw
US3703843A (en) * 1971-01-04 1972-11-28 Msl Ind Inc Fastener with improved thread construction
US3812639A (en) * 1973-03-26 1974-05-28 Illinois Tool Works Locking and strip-resistant fastener
US4194430A (en) * 1978-05-05 1980-03-25 Research Engineering & Manufacturing, Inc. Thread-forming screw with step taper
US4238165A (en) * 1979-01-25 1980-12-09 Illinois Tool Works Inc. Fastener unit for clamping plastic workpieces
GB2252381B (en) * 1990-12-14 1995-08-09 Charles Bickford Improved fixing
US5743914A (en) * 1996-06-06 1998-04-28 Skiba; Jeffry B. Bone screw
DE19726190A1 (en) * 1997-06-20 1998-12-24 Wuerth Adolf Gmbh & Co Kg Screw for mounting fittings
US6743233B1 (en) 2000-08-02 2004-06-01 Orthopaedic Biosystems, Ltd., Inc. Medical screw and method of installation
US20040120791A1 (en) * 2002-12-18 2004-06-24 Panasik Cheryl L. Threaded fastener with dual reinforcing leads and improved substrate entry or lead end portion
US7458759B2 (en) * 2002-12-18 2008-12-02 Illinois Tool Works Inc. Threaded fastener with dual reinforcing leads for facilitating manufacture of the fastener, thread rolling die for forming the threaded fastener, and method of manufacturing the threaded fastener
GB2386405A (en) * 2002-03-15 2003-09-17 Charles Bickford Threaded fixing device and method
US20040243129A1 (en) * 2003-05-28 2004-12-02 Missoum Moumene Double helical threaded bone screw
US20080005994A1 (en) * 2006-07-07 2008-01-10 Regency Innovations, Llc Siding securement system
US20090136319A1 (en) * 2007-11-27 2009-05-28 Illinois Tool Works Inc. Threaded screw fastener
GB2455533B (en) * 2007-12-12 2011-08-10 Excalibur Screwbolts Ltd A fixing device
DE102011078256A1 (en) * 2011-06-29 2013-01-03 Hilti Aktiengesellschaft Screw and method of making a screw thread
US11867353B1 (en) 2012-07-30 2024-01-09 Yakattack, Llc Tee-bolt for use with accessory mounting track
US11953146B1 (en) 2012-07-30 2024-04-09 Yakattack Llc Accessory mount extension arm
US9695853B2 (en) * 2015-11-11 2017-07-04 Ford Global Technologies, Llc High energy absorption joint

Also Published As

Publication number Publication date
DE480449C (en) 1929-08-03
US1809758A (en) 1931-06-09
GB274833A (en) 1928-05-03

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