GB8413308D0 - Screwing device - Google Patents

Screwing device

Info

Publication number
GB8413308D0
GB8413308D0 GB848413308A GB8413308A GB8413308D0 GB 8413308 D0 GB8413308 D0 GB 8413308D0 GB 848413308 A GB848413308 A GB 848413308A GB 8413308 A GB8413308 A GB 8413308A GB 8413308 D0 GB8413308 D0 GB 8413308D0
Authority
GB
United Kingdom
Prior art keywords
screwing device
screwing
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.)
Withdrawn
Application number
GB848413308A
Other versions
GB2141803A (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.)
DECAUT ET BTR REUNIS SOC
Original Assignee
DECAUT ET BTR REUNIS SOC
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 DECAUT ET BTR REUNIS SOC filed Critical DECAUT ET BTR REUNIS SOC
Publication of GB8413308D0 publication Critical patent/GB8413308D0/en
Publication of GB2141803A publication Critical patent/GB2141803A/en
Withdrawn legal-status Critical Current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
    • F16B23/003—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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Forging (AREA)
GB08413308A 1983-05-26 1984-05-24 Screwing device Withdrawn GB2141803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8308739A FR2546584B1 (en) 1983-05-26 1983-05-26 REDUCED FEET BODY IN RELATION TO SIX HOLLOW HEADS

Publications (2)

Publication Number Publication Date
GB8413308D0 true GB8413308D0 (en) 1984-06-27
GB2141803A GB2141803A (en) 1985-01-03

Family

ID=9289211

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08413308A Withdrawn GB2141803A (en) 1983-05-26 1984-05-24 Screwing device

Country Status (3)

Country Link
DE (1) DE3419330A1 (en)
FR (1) FR2546584B1 (en)
GB (1) GB2141803A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2809781B1 (en) 2000-06-06 2003-01-03 Gfi Aerospace FIXING MEMBER WITH AN END FINGERPRINT IN A THREADED TERMINAL PART
US8771285B2 (en) 2006-09-15 2014-07-08 Zimmer Dental, Inc. Drive tool for orthopedic screws
US11458071B2 (en) 2017-05-11 2022-10-04 Scalpal Llc Torque enhancer device for grasping and tooling, and assemblies and uses thereof
US11969864B2 (en) 2017-05-11 2024-04-30 Scalpal Llc Multi-tier torque enhancer driver and/or receiver and method of using same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL42923C (en) * 1934-07-03
US2285461A (en) * 1939-05-26 1942-06-09 Holo Krome Screw Corp Socketed screw
GB943521A (en) * 1961-05-24 1963-12-04 Eaton Mfg Co Fastener
CA919962A (en) * 1970-12-18 1973-01-30 P. L. Robertson Mfg. Co. Limited Recessed screw having rounded re-entrant surfaces
GB1415174A (en) * 1972-08-16 1975-11-26 Ceag Ltd Key for operating a security bolt
JPS5333078Y2 (en) * 1973-10-29 1978-08-15
GB1498827A (en) * 1975-03-25 1978-01-25 Barlow J Screw and screwdriver
CA1066542A (en) * 1977-03-07 1979-11-20 Bernard F. Reiland Lobular socket head fastener with service slot
US4258596A (en) * 1978-01-18 1981-03-31 Southco, Inc. Tamper-resistant fastener
JPS5757215Y2 (en) * 1979-10-12 1982-12-08
GB2093140B (en) * 1981-02-12 1984-09-12 Barber & Colman Ltd Tamper resistant screws

Also Published As

Publication number Publication date
FR2546584A1 (en) 1984-11-30
DE3419330A1 (en) 1985-02-28
FR2546584B1 (en) 1985-08-30
GB2141803A (en) 1985-01-03

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)