Electrical conduit coupling with lubrication fitting

H - Electricity – 02 – G

Patent

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Details

H02G 3/04 (2006.01) F16L 3/26 (2006.01) H02G 1/08 (2006.01) H02G 9/06 (2006.01)

Patent

CA 2181531

The present electrical conduit coupling includes an electrical conduit coupling 10 and a lubrication fitting 11 thereon. The coupling includes a hollowbody 12 including an external surface 13 and an internal surface 14. The internal surface defines a central bore 15 extending between first and second open ends 17, 19 that are adapted to receive conduit ends. A thickness dimension exists through the hollow body between the internal and exterior surfaces 13, 14. The lubrication fitting 11 is provided on the hollow body 12 between the first and second ends 17, 19. The fitting 11 extends at least partially through the thickness dimension to communicate with the central bore 15. The lubrication fitting 11 includes an internal one way valve 31 that permits injection of a lubricant into the central bore 15 but automatically closes to prevent reverse flow of lubricant outwardly through the fitting 11.

Cette invention concerne un raccord de conduit électrique 10 comportant un graisseur 11 sur le dessus. Le raccord comprend un corps creux 12 présentant une surface extérieure 13 et une surface intérieure 14. La surface intérieure délimite un alésage central 15 entre deux extrémités ouvertes adaptées pour recevoir le bout des conduits à raccorder. Le tube définissant le corps creux présente une certaine épaisseur de paroi délimitée par les surfaces intérieure et extérieure 13, 14. Le graisseur 11 est disposé sur le corps creux 12 entre les deux extrémités 17, 19. Le graisseur 11 traverse la paroi du corps creux pour communiquer avec l'alésage central 15. Le graisseur 11 comporte une valve d'injection de lubrifiant 31 qui se referme automatiquement après injection pour empêcher le lubrifiant de ressortir par le graisseur 11.

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