Barb clamp

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

Patent

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Details

F16L 33/22 (2006.01) A61M 39/10 (2006.01) A61M 39/20 (2006.01) F16L 47/00 (2006.01)

Patent

CA 2464348

A barb clamp provides a leakproof connection of a flexible tube in a barbed fitting. The barb clamp includes a collet and sleeve. The barb fitting is configured to fit snugly within the tube. The collet is slid over the tube. Shelves on the interior surface of the collet fit tightly around the tube and under an expanded portion of the barb fitting. The sleeve is then slid over the collet. As the sleeve moves over the collet, tangs on the collet are pushed radially inwardly into the tube and barb fitting. The sleeve is moved over the collet until an annular projection on the interior surface of the sleeve sits within an annular groove of the collet. Radial ledges on the exterior surface of the collet provide a stop and lock to prevent the annular projection on the sleeve to move out of the annular groove of the collet.

L'invention concerne un ensemble de serrage pour cannelure permettant un raccordement étanche entre un tube souple et un raccord cannelé. Cet ensemble de serrage pour cannelure comprend un collet et une douille. Le raccord cannelé est conçu pour être ajusté serré à l'intérieur du tube. Le collet est glissé sur le tube. Les rebords sur la surface intérieure du collet sont ajustés serrés autour du tube et sous une partie étendue du raccord cannelé. La douille est ensuite glissée sur le collet. Lorsque la douille se déplace sur le collet, des tenons sur le collet s'engagent radialement vers l'intérieur du tube et du raccord cannelé. La douille est déplacée sur le collet jusqu'à ce qu'une projection annulaire sur la surface intérieure de la douille s'ajuste à l'intérieur d'une rainure annulaire du collet. Des saillies radiales sur la surface extérieure du collet fournissent un arrêt et un blocage évitant que la projection annulaire sur la douille ne se retire de la rainure annulaire du collet.

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