F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 15/00 (2006.01) F16L 15/04 (2006.01) F16L 15/06 (2006.01)
Patent
CA 2415924
Pipe integral threaded joint formed by a male element (1) and a female element (2) respectively placed on the external surface and on the internal surface of two truncated cone-shaped parts of the threading (6, 7, 8, 9) having the same conicity value and being radially spaced, both being respectively divided by annular shoulders (5, 5') which are parallel and orthogonal with respect to the pipe axis. They are provided two sealing surfaces (12, 12', 13, 13'), one of them being cone-shaped and the other being spherical. After the screwing of the two elements (1, 2) said two annular shoulders (5, 5') are in contact. Each male (1) and female (2) element comprises, respectively along its external and internal surface, a circumference cavity (14, 15) placed between a part of the threading and the annular shoulder (5, 5') in order to allow the expansion of the lubricating fat.
L'invention concerne un joint fileté formé d'une seule pièce avec un tuyau, constitué d'un élément mâle (1) et d'un élément femelle (2) placés respectivement sur la surface extérieure et sur la surface intérieure de deux parties de filetage (6, 7, 8, 9) en cône tronconique possédant la même valeur de conicité et radialement espacées, toutes deux étant respectivement divisées par des épaulements annulaires (5, 5') parallèles et orthogonaux à l'axe du tuyau. Ces parties possèdent deux surfaces de joint (12, 12', 13, 13'), l'une d'elles étant conique et l'autre sphérique. Après le vissage des deux éléments (1, 2), les deux épaulements annulaires (5, 5') sont en contact. Les éléments mâle (1) et femelle (2) comprennent une cavité circulaire (14, 15) placée entre une partie du filetage et l'épaulement annulaire (5, 5') afin de faciliter l'expansion de la graisse de lubrification.
Della Pina Giuseppe
Rotini Giuseppe
Signorelli Angelo
Dalmine S.p.a.
Marks & Clerk
LandOfFree
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