TW547581U - Improved fixing device - Google Patents

Improved fixing device

Info

Publication number
TW547581U
TW547581U TW91204698U TW91204698U TW547581U TW 547581 U TW547581 U TW 547581U TW 91204698 U TW91204698 U TW 91204698U TW 91204698 U TW91204698 U TW 91204698U TW 547581 U TW547581 U TW 547581U
Authority
TW
Taiwan
Prior art keywords
fixing device
improved fixing
improved
fixing
Prior art date
Application number
TW91204698U
Other languages
English (en)
Inventor
Charles Bickford
Original Assignee
Charles Bickford
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 Charles Bickford filed Critical Charles Bickford
Publication of TW547581U publication Critical patent/TW547581U/zh

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
    • F16B25/0026—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 hard non-organic material, e.g. stone, concrete or drywall
    • 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
    • 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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/30—Locking exclusively by special shape of the screw-thread

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Joining Of Building Structures In Genera (AREA)
TW91204698U 1998-12-08 1999-09-07 Improved fixing device TW547581U (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9826978A GB9826978D0 (en) 1998-12-08 1998-12-08 Improved fixing device & method

Publications (1)

Publication Number Publication Date
TW547581U true TW547581U (en) 2003-08-11

Family

ID=10843843

Family Applications (1)

Application Number Title Priority Date Filing Date
TW91204698U TW547581U (en) 1998-12-08 1999-09-07 Improved fixing device

Country Status (5)

Country Link
AU (1) AU1668100A (zh)
GB (3) GB9826978D0 (zh)
TW (1) TW547581U (zh)
WO (1) WO2000034668A2 (zh)
ZA (1) ZA200109220B (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2545415Y (zh) * 2002-04-11 2003-04-16 久可工业股份有限公司 具有不同高低螺牙之三线螺纹双头固定螺丝
DK1975421T3 (da) * 2007-03-28 2009-09-28 M Cut Systems Gmbh & Co Kg Selvskærende skrue
GB2455533B (en) * 2007-12-12 2011-08-10 Excalibur Screwbolts Ltd A fixing device
DE202008011808U1 (de) 2008-09-05 2008-12-24 M-Cut Systems Gmbh & Co. Kg Gewindeformende Schraube
EP2354572B1 (de) 2010-01-18 2014-07-02 UIP GmbH & Co. KG Gewindeformende Schraube
EP2728209B1 (de) 2012-11-05 2017-07-12 SG Holding UG Gewindeformende Schraube
GB201817127D0 (en) * 2018-10-21 2018-12-05 Excalibur Screwbolts Ltd Improvements in or relating to anchor bolts
GB201912551D0 (en) * 2019-09-01 2019-10-16 Product Licensing Company Ltd Method & means of forming threaded ties and rods

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE54903C (de) * THE AMERICAN screw COMPANY in Providence, Rhode Island, V. St. A Holzschraube mit flachem Hülfsgewinde zwischen den scharfen Go^vindegängen
GB2042120B (en) * 1979-02-10 1983-07-20 Gutshall C E Long-pitsch crest thread
KR900002192B1 (ko) * 1985-11-22 1990-04-04 닛봉도꾸슈우기자이가부시끼가이샤 자기 고정형 구입(溝入) 나사와 그 전조법 및 전조평다이스
GB2252381B (en) * 1990-12-14 1995-08-09 Charles Bickford Improved fixing
US5957646A (en) * 1998-11-02 1999-09-28 Anthony C. Giannuzzi Enhanced strength screw-type masonry anchor

Also Published As

Publication number Publication date
WO2000034668A2 (en) 2000-06-15
GB9826978D0 (en) 1999-02-03
GB0125655D0 (en) 2001-12-19
GB2344629A (en) 2000-06-14
WO2000034668A3 (en) 2001-01-18
GB9929130D0 (en) 2000-02-02
ZA200109220B (en) 2002-11-08
AU1668100A (en) 2000-06-26
GB2344629B (en) 2002-08-14

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Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004