FR424397A - Vis indévissable - Google Patents
Vis indévissableInfo
- 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
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)
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) |
-
1910
- 1910-12-27 FR FR424397D patent/FR424397A/fr not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH50995A (de) | Holzschraube | |
FR424397A (fr) | Vis indévissable | |
FR16806E (fr) | Fausset à vis | |
FR421322A (fr) | Fausset à vis | |
FR462865A (fr) | Vis | |
CH53306A (de) | Schraubensicherung | |
FR422466A (fr) | Boulon indévissable | |
FI3930A (fi) | Lodnings-och trallningsanordning | |
FI3933A (fi) | Barkspade | |
FR430280A (fr) | Vis à bois | |
CH53624A (de) | Schraubenkopfschlitzvorrichtung | |
CH51998A (de) | Schraubenmuttersicherung | |
CH52310A (de) | Schraubenmuttersicherung | |
CH52446A (de) | Schraubenmuttersicherung | |
FR436535A (fr) | Vis à écrou indesserrable | |
CH51317A (fr) | Broyeur-pulvériseur | |
CH51716A (fr) | Distributeur-enregistreur | |
CH51823A (fr) | Fectomètre | |
CH52496A (de) | Monoplan | |
CH53003A (fr) | Hydro-aéroplane | |
CH53057A (fr) | Cannetière | |
CH53402A (de) | Pfannenstiehl | |
CH53410A (fr) | Bobioir | |
CH53437A (de) | Kirne | |
CH53763A (de) | Rockraffer |