FR954633A - - Google Patents

Info

Publication number
FR954633A
FR954633A FR954633DA FR954633A FR 954633 A FR954633 A FR 954633A FR 954633D A FR954633D A FR 954633DA FR 954633 A FR954633 A FR 954633A
Authority
FR
France
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
Other languages
French (fr)
Publication date
Application granted granted Critical
Publication of FR954633A publication Critical patent/FR954633A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR954633D Expired FR954633A (en)

Publications (1)

Publication Number Publication Date
FR954633A true FR954633A (en) 1950-01-04

Family

ID=1557493

Family Applications (1)

Application Number Title Priority Date Filing Date
FR954633D Expired FR954633A (en)

Country Status (1)

Country Link
FR (1) FR954633A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2684526A (en) * 1951-07-06 1954-07-27 Hoover John Dean Method for backing off broken studs
US3369441A (en) * 1966-05-04 1968-02-20 Anchor Engineering Co Fastener with tapered tool engaging surfaces
US4037514A (en) * 1976-02-23 1977-07-26 Juan Andres Lliteras High torque fastener head
US4128038A (en) * 1977-11-23 1978-12-05 Pay Television Corporation Rotary drive fastener
US4149434A (en) * 1978-03-17 1979-04-17 Leroy Wilson Screw and screwdriver therefor
US4613265A (en) * 1984-03-30 1986-09-23 Visinand Jean Claude Screw with filler-receiving head
AT384981B (en) * 1986-08-13 1988-02-10 Heinrich Ing Schildberg SCREWDRIVER
EP0636799A1 (en) * 1993-07-26 1995-02-01 Vsi Corporation Fastener head with internal recess having a radial slot configuration and installation tool therefor
WO1997027812A1 (en) * 1996-01-31 1997-08-07 Axel Kirsch Screw for insertion into a bone and tool for removing this screw
ITBG20130005A1 (en) * 2013-03-07 2014-09-08 Dario Conte SCREW / ANTI-SPANISH BOLT AND COMPLEMENTARY SCREWDRIVER

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2684526A (en) * 1951-07-06 1954-07-27 Hoover John Dean Method for backing off broken studs
US3369441A (en) * 1966-05-04 1968-02-20 Anchor Engineering Co Fastener with tapered tool engaging surfaces
US4037514A (en) * 1976-02-23 1977-07-26 Juan Andres Lliteras High torque fastener head
US4146073A (en) * 1976-02-23 1979-03-27 Lliteras Juan A Driver for high torque fastener
US4128038A (en) * 1977-11-23 1978-12-05 Pay Television Corporation Rotary drive fastener
US4149434A (en) * 1978-03-17 1979-04-17 Leroy Wilson Screw and screwdriver therefor
US4613265A (en) * 1984-03-30 1986-09-23 Visinand Jean Claude Screw with filler-receiving head
AT384981B (en) * 1986-08-13 1988-02-10 Heinrich Ing Schildberg SCREWDRIVER
EP0636799A1 (en) * 1993-07-26 1995-02-01 Vsi Corporation Fastener head with internal recess having a radial slot configuration and installation tool therefor
WO1997027812A1 (en) * 1996-01-31 1997-08-07 Axel Kirsch Screw for insertion into a bone and tool for removing this screw
ITBG20130005A1 (en) * 2013-03-07 2014-09-08 Dario Conte SCREW / ANTI-SPANISH BOLT AND COMPLEMENTARY SCREWDRIVER

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