GB953009A - Improvements relating to screws - Google Patents

Improvements relating to screws

Info

Publication number
GB953009A
GB953009A GB1734361A GB1734361A GB953009A GB 953009 A GB953009 A GB 953009A GB 1734361 A GB1734361 A GB 1734361A GB 1734361 A GB1734361 A GB 1734361A GB 953009 A GB953009 A GB 953009A
Authority
GB
United Kingdom
Prior art keywords
screw
head
cover
flange
key
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
GB1734361A
Other languages
English (en)
Inventor
Brien Dean
Sidney Arthur Brewster
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.)
British Screw Co Ltd
Original Assignee
British Screw 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 British Screw Co Ltd filed Critical British Screw Co Ltd
Publication of GB953009A publication Critical patent/GB953009A/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
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/14—Cap nuts; Nut caps or bolt caps
    • 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
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
    • F16B23/003—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool star-shaped or multi-lobular, e.g. Torx-type, twelve-point star
    • 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
    • F16B33/00—Features common to bolt and nut
    • F16B33/004—Sealing; Insulation
    • 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
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0061—Specially shaped nuts or heads of bolts or screws for rotations by a tool with grooves, notches or splines on the external peripheral surface designed for tools engaging in radial direction
    • 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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/06—Specially-shaped heads

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Connection Of Plates (AREA)
  • Gasket Seals (AREA)
  • Closures For Containers (AREA)
GB1734361A 1968-04-27 1961-05-12 Improvements relating to screws Expired GB953009A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2008068A GB1159640A (en) 1968-04-27 1968-04-27 Improvements relating to Screws
FR6919380A FR2049495A5 (xx) 1968-04-27 1969-06-11

Publications (1)

Publication Number Publication Date
GB953009A true GB953009A (en) 1964-03-18

Family

ID=26215103

Family Applications (3)

Application Number Title Priority Date Filing Date
GB1734361A Expired GB953009A (en) 1968-04-27 1961-05-12 Improvements relating to screws
GB4374863A Expired GB991961A (en) 1968-04-27 1963-11-06 Improvements relating to screws
GB2008068A Expired GB1159640A (en) 1968-04-27 1968-04-27 Improvements relating to Screws

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB4374863A Expired GB991961A (en) 1968-04-27 1963-11-06 Improvements relating to screws
GB2008068A Expired GB1159640A (en) 1968-04-27 1968-04-27 Improvements relating to Screws

Country Status (2)

Country Link
FR (1) FR2049495A5 (xx)
GB (3) GB953009A (xx)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298272A (en) * 1964-10-20 1967-01-17 Harold P Henderson Protective and decorative cap for screw and bolt heads
US3557654A (en) * 1968-06-19 1971-01-26 Atlas Bolt And Screw Co The Plastic headed fastener
US3978761A (en) * 1975-06-26 1976-09-07 Thomas & Betts Corporation Fastener assembly
US4154138A (en) * 1976-01-21 1979-05-15 Elco Industries, Inc. Screw with plastic head
US4887951A (en) * 1987-12-16 1989-12-19 Maruemu Seisakusho Co., Ltd. Dual composite headed self-threading screw
US5156509A (en) * 1991-09-03 1992-10-20 Wu Szu Hsien Waterproof screw fastener
US5871321A (en) * 1997-07-14 1999-02-16 Applied Materials, Inc. Encapsulated fastener
DE10257741A1 (de) * 2002-12-10 2004-07-22 Richard Bergner Verbindungstechnik Gmbh & Co. Kg Schraube und Verfahren zur Herstellung derselben

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3693495A (en) * 1970-10-30 1972-09-26 David P Wagner Composite screw
US4238165A (en) * 1979-01-25 1980-12-09 Illinois Tool Works Inc. Fastener unit for clamping plastic workpieces
DE19506929A1 (de) * 1995-02-28 1996-08-29 Az Ausruest Zubehoer Gmbh Verbindungselement
US10323677B2 (en) * 2016-06-08 2019-06-18 Motorola Mobility Llc System, apparatus, and method for securing structures

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298272A (en) * 1964-10-20 1967-01-17 Harold P Henderson Protective and decorative cap for screw and bolt heads
US3557654A (en) * 1968-06-19 1971-01-26 Atlas Bolt And Screw Co The Plastic headed fastener
US3978761A (en) * 1975-06-26 1976-09-07 Thomas & Betts Corporation Fastener assembly
US4154138A (en) * 1976-01-21 1979-05-15 Elco Industries, Inc. Screw with plastic head
US4887951A (en) * 1987-12-16 1989-12-19 Maruemu Seisakusho Co., Ltd. Dual composite headed self-threading screw
US5156509A (en) * 1991-09-03 1992-10-20 Wu Szu Hsien Waterproof screw fastener
US5871321A (en) * 1997-07-14 1999-02-16 Applied Materials, Inc. Encapsulated fastener
DE10257741A1 (de) * 2002-12-10 2004-07-22 Richard Bergner Verbindungstechnik Gmbh & Co. Kg Schraube und Verfahren zur Herstellung derselben

Also Published As

Publication number Publication date
FR2049495A5 (xx) 1971-03-26
GB1159640A (en) 1969-07-30
GB991961A (en) 1965-05-12

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