FR645711A - Vis indévissable - Google Patents

Vis indévissable

Info

Publication number
FR645711A
FR645711A FR645711DA FR645711A FR 645711 A FR645711 A FR 645711A FR 645711D A FR645711D A FR 645711DA FR 645711 A FR645711 A FR 645711A
Authority
FR
France
Prior art keywords
unscrewable
screw
unscrewable screw
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
Other languages
English (en)
Inventor
Georges-Henri-Josep Goarnisson
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 filed Critical
Application granted granted Critical
Publication of FR645711A publication Critical patent/FR645711A/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
    • F16B23/0076—Specially shaped nuts or heads of bolts or screws for rotations by a tool causing slipping of the tool in loosening rotation, i.e. disabling unscrewing unless another tool is used

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR645711D 1927-12-09 1927-12-09 Vis indévissable Expired FR645711A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR645711T 1927-12-09

Publications (1)

Publication Number Publication Date
FR645711A true FR645711A (fr) 1928-10-30

Family

ID=9000907

Family Applications (1)

Application Number Title Priority Date Filing Date
FR645711D Expired FR645711A (fr) 1927-12-09 1927-12-09 Vis indévissable

Country Status (1)

Country Link
FR (1) FR645711A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4658918A (en) * 1985-07-25 1987-04-21 Strata Bit Corporation Threaded nozzle for a drill bit
WO2006097891A1 (fr) * 2005-03-14 2006-09-21 Romain Gauthier Element de fixation reversible
ITTA20110007A1 (it) * 2011-07-05 2013-01-06 Comes Spa Sistema antifurto per il fisaggio di pannelli fotovoltaici su struttura di sostegno

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4658918A (en) * 1985-07-25 1987-04-21 Strata Bit Corporation Threaded nozzle for a drill bit
WO2006097891A1 (fr) * 2005-03-14 2006-09-21 Romain Gauthier Element de fixation reversible
ITTA20110007A1 (it) * 2011-07-05 2013-01-06 Comes Spa Sistema antifurto per il fisaggio di pannelli fotovoltaici su struttura di sostegno

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