FR2546584B1 - Organe a visser de pieds reduit par rapport aux organes a visser a six pans creux - Google Patents

Organe a visser de pieds reduit par rapport aux organes a visser a six pans creux

Info

Publication number
FR2546584B1
FR2546584B1 FR8308739A FR8308739A FR2546584B1 FR 2546584 B1 FR2546584 B1 FR 2546584B1 FR 8308739 A FR8308739 A FR 8308739A FR 8308739 A FR8308739 A FR 8308739A FR 2546584 B1 FR2546584 B1 FR 2546584B1
Authority
FR
France
Prior art keywords
relation
reduced
feet body
hollow heads
heads
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
FR8308739A
Other languages
English (en)
Other versions
FR2546584A1 (fr
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
Original Assignee
DECAUT ET BTR REUNIS
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 filed Critical DECAUT ET BTR REUNIS
Priority to FR8308739A priority Critical patent/FR2546584B1/fr
Priority to DE19843419330 priority patent/DE3419330A1/de
Priority to GB08413308A priority patent/GB2141803A/en
Publication of FR2546584A1 publication Critical patent/FR2546584A1/fr
Application granted granted Critical
Publication of FR2546584B1 publication Critical patent/FR2546584B1/fr
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
    • F16B23/003—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)
FR8308739A 1983-05-26 1983-05-26 Organe a visser de pieds reduit par rapport aux organes a visser a six pans creux Expired FR2546584B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8308739A FR2546584B1 (fr) 1983-05-26 1983-05-26 Organe a visser de pieds reduit par rapport aux organes a visser a six pans creux
DE19843419330 DE3419330A1 (de) 1983-05-26 1984-05-24 Schraubelement
GB08413308A GB2141803A (en) 1983-05-26 1984-05-24 Screwing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8308739A FR2546584B1 (fr) 1983-05-26 1983-05-26 Organe a visser de pieds reduit par rapport aux organes a visser a six pans creux

Publications (2)

Publication Number Publication Date
FR2546584A1 FR2546584A1 (fr) 1984-11-30
FR2546584B1 true FR2546584B1 (fr) 1985-08-30

Family

ID=9289211

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8308739A Expired FR2546584B1 (fr) 1983-05-26 1983-05-26 Organe a visser de pieds reduit par rapport aux organes a visser a six pans creux

Country Status (3)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2809781B1 (fr) * 2000-06-06 2003-01-03 Gfi Aerospace Organe de fixation a empreinte d'extremite dans une partie terminale filetee
US8771285B2 (en) 2006-09-15 2014-07-08 Zimmer Dental, Inc. Drive tool for orthopedic screws
US11234899B2 (en) 2017-05-11 2022-02-01 Scalpal Llc Grasping facilitators and uses thereof and kits involving the same
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 (fr) * 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 (fr) * 1973-10-29 1978-08-15
GB1498827A (en) * 1975-03-25 1978-01-25 Barlow J Screw and screwdriver
CA1066542A (fr) * 1977-03-07 1979-11-20 Bernard F. Reiland Fixation a douille lobulaire pourvue d'une fente
US4258596A (en) * 1978-01-18 1981-03-31 Southco, Inc. Tamper-resistant fastener
JPS5757215Y2 (fr) * 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
GB8413308D0 (en) 1984-06-27
DE3419330A1 (de) 1985-02-28
GB2141803A (en) 1985-01-03
FR2546584A1 (fr) 1984-11-30

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Legal Events

Date Code Title Description
CL Concession to grant licenses
TP Transmission of property
ST Notification of lapse