Multilayer containers and process for forming multilayer...

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 45/16 (2006.01) A61B 5/15 (2006.01) B01L 3/14 (2006.01) B29D 22/00 (2006.01)

Patent

CA 2450639

A co-injection process is provided for fabricating improved multi-layer containers, including but not limited to blood collection tubes, evacuated blood collection tubes, culture bottles, centrifuges tubes, and syringe barrels. The container includes a tube (10) having a bottom wall (12) and a side wall (14) with an open end (18). The container can be provided with a stopper having an upper portion (22) and a skirt with an outside portion (30), a well (34) and a cavity (36). The tube and stopper assembly can be used for medical purposes including containing a blood sample within an enclosed interior space (40).

L'invention concerne un procédé de co-injection destiné à la fabrication de contenants à couches multiples, comprenant, mais sans y être limité, des tubes de collecte de sang, des tubes évacués pour prélèvement de sang, des bouteilles de culture, des tubes de centrifugeuses et des cylindres de seringues. Le contenant comprend un tube (10) comportant une paroi inférieure (12) et une paroi latérale (14) avec une extrémité ouverte (18). Le contenant peut être fourni avec un bouchon comprenant une portion supérieure (22) et une jupe avec une portion extérieure (30), un puits (34) et une cavité (36). L'assemblage du tube et du bouchon peut être utilisé dans un but médical comprenant la conservation d'un échantillon de sang dans un espace intérieur clos (40).

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