A device for connecting at least a discharge tube and return...

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 47/06 (2006.01) B67D 7/34 (2010.01) B67B 1/06 (2006.01)

Patent

CA 2242454

Device for connecting at least a discharge tube and return tube to a bung connection of a container for liquids and the like, said connection being embodied with inner screw thread, which device comprises: - a cylindrical insert with screw thread arranged on the cylinder outer wall and co-acting with the bung, in addition to a bottom provided with at least two openings, - a tube connecting bung for placing with the lower surface on this bottom and provided with passages for the discharge tube and return tube aligned with these openings, - and a clamping piece for fixing the connecting bung in the cylindrical insert via connecting means, wherein there are arranged lugs placed in a determined pattern and recesses receiving these lugs, wherein the clamping piece is connected non-slidably in axial direction to the bung but freely rotatable relative thereto, and wherein the connecting means in the insert are arranged at a distance from the bottom in order to form a chamber, the recesses are placed above the chamber in the insert and the lugs lie on a downward extended part of the clamping piece and at a distance below the connecting means, whereby the tube to be connected onto the container remains free of tension.

Cette invention concerne un dispositif permettant de raccorder au moins un tube de décharge et un tube de retour à une bonde filetée de récipient à liquides, lequel dispositif comporte : un élément cylindrique à filetage externe correspondant au filetage interne de la bonde, dont le fond présente au moins deux orifices; une bonde de raccord de tubes dont le fond s'appuie sur celui de l'élément cylindrique et présente deux voies de passage pour le tube de décharge et le tube de retour alignées avec les orifices du fond de l'élément cylindrique; un élément de retenue servant à maintenir la bonde de raccord dans l'élément cylindrique, auquel il est lui-même raccordé par un filetage et un agencement de saillies et de rainures, les saillies étant disposées de façon déterminée à la base de l'élément de retenue, sous un filetage externe, et s'insérant dans des rainures correspondantes pratiquées dans l'élément cylindrique, au niveau d'un filetage interne pratiqué à une distance déterminée du fond de l'élément de manière à laisser un vide après l'assemblage. Selon ces dispositions constructives, l'élément de retenue ne peut se déplacer axialement par rapport à la bonde de raccord mais peut tourner librement dans celle-ci, et le tube raccordé au récipient n'est soumis à aucune tension.

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