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US 6,783,029 B2Granted
Fixing head for tubes
AssigneeCebal
InventorBernard Schneider
Life of this patent
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AssigneeCebal
InventorBernard Schneider
Estimating the term…
A tube provided with a head and a skirt having an orthogonal cross section of particular shape in which the largest inscribed circle has a diameter D. The head, which is designed for fixing of a rigid closure, is provided with a circular cylindrical wall extending towards the inside of the tube and enclosing an orifice concentric to the inscribed circle and having a large diameter, typically more than 0.8D, and takes up substantially the internal volume of the skirt end over a height less than D, preferably less than D/3. The invention is further directed to a closure element, in particular a convenience closure, adapted for fixing substantially irreversibly on the tube head, comprising a base having an external outline matching the shape of the orthogonal cross section of the tube skirt, and a skirt having a diameter in the range of 0.5D to 0.9D.
Tube fitted with a head intended to fix capping, and with a cylindrical or prismatic skirt having an orthogonal section of any shape whose largest inscribed circle has a diameter D, the head comprising a circular cylindrical wall extending towards the inside of the tube, surrounding an opening concentric to the inscribed circle and having a diameter between 0.5*D and 0.9*D, wherein the head substantially occupies the inner volume of the end of skirt over a distance of less than D
Dependencies are inferred from the claim text.