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GB2092253B - Improvements in screws and fasteners - Google Patents

Improvements in screws and fasteners

Info

Publication number
GB2092253B
GB2092253B GB8201414A GB8201414A GB2092253B GB 2092253 B GB2092253 B GB 2092253B GB 8201414 A GB8201414 A GB 8201414A GB 8201414 A GB8201414 A GB 8201414A GB 2092253 B GB2092253 B GB 2092253B
Authority
GB
United Kingdom
Prior art keywords
fasteners
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
GB8201414A
Other versions
GB2092253A (en
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.)
Delson & Co Ltd
Original Assignee
Delson & 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 Delson & Co Ltd filed Critical Delson & Co Ltd
Priority to GB8201414A priority Critical patent/GB2092253B/en
Publication of GB2092253A publication Critical patent/GB2092253A/en
Application granted granted Critical
Publication of GB2092253B publication Critical patent/GB2092253B/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
    • 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
    • F16B23/0023—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 substantially cross-shaped
    • 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
    • F16B23/0092—Specially shaped nuts or heads of bolts or screws for rotations by a tool with a head engageable by two or more different tools

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
GB8201414A 1981-02-02 1982-01-19 Improvements in screws and fasteners Expired GB2092253B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8201414A GB2092253B (en) 1981-02-02 1982-01-19 Improvements in screws and fasteners

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8103153 1981-02-02
GB8201414A GB2092253B (en) 1981-02-02 1982-01-19 Improvements in screws and fasteners

Publications (2)

Publication Number Publication Date
GB2092253A GB2092253A (en) 1982-08-11
GB2092253B true GB2092253B (en) 1984-08-15

Family

ID=26278306

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8201414A Expired GB2092253B (en) 1981-02-02 1982-01-19 Improvements in screws and fasteners

Country Status (1)

Country Link
GB (1) GB2092253B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2244775B (en) * 1990-06-05 1993-08-11 Titus Tool Co Ltd Screws
US5214987A (en) * 1992-04-14 1993-06-01 Fenton Sr John J Screw fastener and driving tool
US5358368A (en) * 1993-09-09 1994-10-25 General Signal Corporation Screw with improved head design
US6440136B1 (en) * 2000-05-24 2002-08-27 Medtronic Ps Medical, Inc. Apparatus for attaching to bone
US6890139B2 (en) 2002-02-26 2005-05-10 Phillips Screw Company Fastener having recess useable with multiple drivers and method of manufacture
US7207248B2 (en) * 2003-10-09 2007-04-24 Illinois Tool Works Inc. Threaded screw fastener characterized by high pull-out resistance, reduced installation torque, and unique head structure and drive socket implement or tool therefor
US7073416B2 (en) * 2004-09-02 2006-07-11 Eazypower Corporation 3-point/5-point fastener, 3-point/5-point bit
US7581910B2 (en) * 2005-09-16 2009-09-01 Illinois Tool Works Inc. Fastener head
CN107191457A (en) * 2005-09-16 2017-09-22 伊利诺斯工具制品有限公司 Fastener head
ITUD20070074A1 (en) * 2007-04-23 2008-10-24 Visottica Ind Spa PROCEDURE FOR THE REALIZATION OF A SCREW FOR GLASSES, AND SCREW FOR GLASSES SO MADE
EP2394583B1 (en) * 2010-06-09 2013-04-10 Karl Storz GmbH & Co. KG Surgical instrument
ITMI20130545A1 (en) * 2013-04-09 2014-10-10 Nicolantonio Tragni DISAPPEARABLE SCREW
EP3492021B1 (en) * 2017-11-30 2021-01-13 ZuriMED Technologies AG Insert holding device, suture holding device and method for connecting a suture to an insert for insertion into a bone

Also Published As

Publication number Publication date
GB2092253A (en) 1982-08-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee