Collapsible dispensing system

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 47/20 (2006.01) B05B 11/00 (2006.01) B05B 11/04 (2006.01) F16K 15/14 (2006.01)

Patent

CA 2461688

A collapsible dispensing system for flowable materials is disclosed. A conical one-way valve assembly of coaxially conforming parts is attached to a collapsible container. An enclosing sleeve (75) seals an elastomeric sheath (73) to a valve body (71). Flowable materials are dispensed under positive pressure without back flow of external gases and contaminants, even after repeated dispensing of container contents. This enables flowable materials that are susceptible to oxidation and contamination to be reformulated without antioxidants and/or preservatives. The collapsible multiple dose dispensing system maintains the integrity and sterility of flowable materials, thereby prolonging product use life. The system takes advantage of a conical design, allowing for quicker, easier and cheaper manufacturing and assembly.

La présente invention concerne un système de distribution démontable de matières liquides. Un ensemble clapet de non retour conique à parties se conformant coaxialement est fixé à un contenant démontable. Un manchon d'enfermement scelle une gaine élastomère à un corps de clapet. Des matières liquides sont distribuées sous pression positive sans retour de gaz et de contaminants, même après distribution répétée de contenus du contenant. Ainsi, les matières liquides qui sont susceptibles de s'oxyder et d'être contaminées peuvent être reformulées sans antioxydants et/ou conservateurs. Ledit système de distribution de dose multiples démontable conserve l'intégrité et la stérilité des matières liquides, prolongeant ainsi la durée d'utilisation du produit. Ledit système bénéficie d'une conception conique, permettant une fabrication et un assemblage plus rapides, plus faciles et plus économiques.

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