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Publication of FR711422ApublicationCriticalpatent/FR711422A/fr
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
F16B39/00—Locking of screws, bolts or nuts
F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
F16B39/04—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
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FR711422D1931-02-181931-02-18Procédé pour rendre un écrou indessérable et outil pour la réalisation de ce procédé
ExpiredFR711422A
(fr)