B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 1/08 (2006.01) F16L 11/04 (2006.01)
Patent
CA 2654239
A flexible hose, particularly for transporting food liquids, comprising at least one outer protective layer (2) of a first flexible polymer material (A) and at least one inner layer (3) of a second flexible polymer material (B). The second polymer material (B) comprises a thermoplastic compound (C1 ) of polyolefin nature and an elastomer compound (C2) in such a weight percentage as to impart a Shore A hardness of less than 85. Also, the second polymer material (B) is selected from polymer materials substantially free of liquid plasticizer agents.
La présente invention concerne un tuyau flexible, en particulier destiné au transport de liquides alimentaires, qui comprend au moins une couche protectrice externe (2) constitué d'un premier matériau polymère flexible (A) et au moins une couche interne (3) constituée d'un second matériau polymère flexible (B). Le second matériau polymère (B) comprend un composé thermoplastique (C1) de nature polyoléfinique et un composé élastomère (C2) à une teneur en poids suffisante pour conférer une dureté Shore A inférieure à 85. Le second matériau polymère (B) est quant à lui sélectionné parmi des matériaux polymères ne contenant essentiellement pas d'agents plastifiants liquides.
Fitt Spa
Marks & Clerk
LandOfFree
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