FR424397A - Vis indévissable - Google Patents

Vis indévissable

Info

Publication number
FR424397A
FR424397A FR424397DA FR424397A FR 424397 A FR424397 A FR 424397A FR 424397D A FR424397D A FR 424397DA FR 424397 A FR424397 A FR 424397A
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)
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.)
VEUVE LATASTE ET FILS SOC
Original Assignee
VEUVE LATASTE ET FILS 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 VEUVE LATASTE ET FILS SOC filed Critical VEUVE LATASTE ET FILS SOC
Application granted granted Critical
Publication of FR424397A publication Critical patent/FR424397A/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)
FR424397D 1910-12-27 1910-12-27 Vis indévissable Expired FR424397A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR424397T 1910-12-27

Publications (1)

Publication Number Publication Date
FR424397A true FR424397A (fr) 1911-05-11

Family

ID=1467147

Family Applications (1)

Application Number Title Priority Date Filing Date
FR424397D Expired FR424397A (fr) 1910-12-27 1910-12-27 Vis indévissable

Country Status (1)

Country Link
FR (1) FR424397A (fr)

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