REVETEMENT DE SURFACE ANTI-GRIPPAGE POUR MOYEN D'ASSEMBLAGE DE TUBES PAR FILETAGES ET PROCEDE DE REALISATION D'UN TEL REVETEMENT

The anti-friction coating according to the invention is concerned with the protection of the surfaces of the male 7 or female 2 components of a means 1 for connecting metal tubes by means of threads (11, 6) which come into contact against one another at the moment of screwing. This coating consists...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DAVID FRANCOIS, PETELOT DANIEL
Format:	Patent
Sprache:	fre
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The anti-friction coating according to the invention is concerned with the protection of the surfaces of the male 7 or female 2 components of a means 1 for connecting metal tubes by means of threads (11, 6) which come into contact against one another at the moment of screwing. This coating consists of a thin layer (14) of lead oxide produced by the oxidation of a lead layer, itself formed on an underlying layer (13) of a metal, such as copper, previously deposited directly or indirectly on the surface (4, 5, 9, 10, 11, 6) to be protected from friction. The invention also relates to the process for manufacturing this coating and the coated connection means obtained.