F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 15/04 (2006.01) F16L 15/00 (2006.01) E21B 17/042 (2006.01)
Patent
CA 2418920
A flush-type integral threaded joint with truncated-cone threads, with two sealing surfaces 11', 12', 11'', 12'') set at the end of the threaded portions (7, 8), and with two annular sealing shoulders (5', 6', 5'', 6''). The two threaded portions (7, 8) of the male element (1) and female element (2), respectively, have the same value of conicity, and the two sealing surfaces (11', 12', 11'', 12'') are, in one case, conical or cylindrical, and in the other spherical. The threaded portion of each male and female element may have an end area with a thread that is not perfect.
L'invention concerne un joint fileté intégré de type encastré à filets coniques tronqués, comportant deux surfaces d'étanchéité (11', 12', 11'', 12'') à l'extrémité des parties filetées (7,8) et deux épaules d'étanchéité annulaires (5', 6', 5'', 6''). Les deux parties filetées (7,8) de l'élément mâle (1) et de l'élément femelle (2), respectivement, ont le même degré de configuration conique, et les deux surfaces d'étanchéité (11', 12', 11'', 12'') sont, dans un cas, coniques ou cylindriques, et dans l'autre cas, sphériques. La partie filetée de chaque élément mâle et de chaque élément femelle peut avoir une zone terminale dont le filet n'est pas parfait.
Della Pina Giuseppe
Rotini Giuseppe
Signorelli Angelo
Dalmine S.p.a.
Mccarthy Tetrault Llp
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