Tubing end-piece and connector

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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Details

F16L 35/00 (2006.01) F16L 1/00 (2006.01) F16L 31/00 (2006.01) F16L 37/084 (2006.01) F16L 37/14 (2006.01)

Patent

CA 2213826

A tubing end-piece (10) interconnects a free end (12) of a piece of tubing (14) and a tubing connector or fitting so that a fluid can flow between the tubing (14) and the fitting or connector. The tubing end-piece (10) includes a body member (20) extending along a longitudinal axis with a bore (22) extending longitudinally therethrough. The body member (20) has an elongated body portion (24), a doughnut-shaped head portion (26). The body portion (24) has an outer body surface configured in a shape of a frustum (26) that tapers from a first end (28) towards a second end (30). The doughnut-shaped head portion (32) is connected to the first end (28) of said body portion (24) and extends radially outwardly relative to the longitudinal axis to form in cross section an outer curved surface (34) commencing from the first end (28) and terminating in an outer peripheral edge (36) which defines a first opening (38) into the bore (22). A frustoconically-shaped tail portion (40) is connected to the second end (30) of the body portion (24).

L'invention concerne un embout de tuyauterie (10) qui permet de rattacher l'extrémité libre (12) d'un élément de tuyauterie (14) et un élément de raccord ou d'emmanchement de tuyauterie afin d'assurer l'écoulement d'un liquide entre le premier (14) et le deuxième élément. L'embout (10) comprend un corps (20) qui s'étend le long d'un axe longitudinal et qui est pourvu d'un trou (22) traversant la pièce longitudinalement. Le corps (20) comporte une partie allongée (24) et, une tête annulaire (26). La surface extérieure du corps (24) épouse la forme du tronc d'un cône (26) dont la réduction diamétrale est progressive d'une première extrémité (28) à une seconde extrémité (30). La tête en forme d'anneau (32) est rattachée à la première extrémité (28) du corps (24) et s'étend radialement vers l'extérieur par rapport à l'axe longitudinal, formant ainsi en coupe transversale une surface externe courbe (34) dont le début se situe à la première extrémité (28) et dont la fin est matérialisée par une bordure périphérique externe (36) qui définit une première ouverture (38) se prolongeant dans le trou (22). Une queue tronconique (40) est rattachée à la seconde extrémité (30) du corps (24).

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