B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/22 (2006.01) B32B 1/08 (2006.01)
Patent
CA 2655239
A flexible hose for transporting food liquids, particularly for irrigation or the like, comprising at least one outer protective layer (2) of a first flexible polymer material and at least one inner layer (3) in direct contact with the fluid to be transported, made of a second flexible polyvinyl chloride (PVC)-containing polymer material. The second polymer material includes a plasticizer agent having as low a migration level as to maintain the flexibility of said second polymer material substantially unaltered with time. The plasticizer agent is selected from the group comprising non-phthalate additives, so that it can be non-toxic and non-polluting for the food products to be transported.
L'invention porte sur un tuyau soupe destiné au transport de liquides alimentaires, en particulier à l'irrigation et analogue, lequel tuyau comprend au moins une couche de protection externe (2) dans un premier matériau polymère souple, et au moins une couche interne (3) en contact direct avec le liquide à transporter, fabriquée dans un second matériau polymère souple contenant du chlorure de polyvinyle ("polyvinyl chloride" ou PVC). Le second matériau polymère renferme un agent plastifiant qui possède un niveau de migration suffisamment bas pour conserver sensiblement intacte la souplesse dudit second matériau polymère au fil du temps. L'agent plastifiant est choisi dans le groupe composé des additifs non phtalates, de sorte qu'il peut être non toxique et non polluant pour les produits alimentaires à transporter.
Fitt Spa
Marks & Clerk
LandOfFree
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