Barrier tubing
OwnerKevin Bergevin, Kenneth Earl Stevensinventors
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Abstract
Plastic tube fluid handling means provided in the form of one or more polymeric tubes embedded in foil laminate which includes metal and at least one polymer. The preferred polymers are polyolefins and polyamides. The metal provides barrier protection making the structure suitable for use in fuel lines, refrigerator hose, in-floor heating pipe, solar hot water heating systems and the like. The tubes are of a geometry which provides burst strength, so that the metal can be quite thin.
Claims17
A structure for use in fluid handling comprising at least one polymeric tube surrounded by and sealed to a laminated foil, said foil having two faces, one facing toward the tube, and the other facing away from the tube said foil comprising at least one layer of metal with at least one polymer layer on at least the side facing the tube,
- said tube having an inner diameter in the range of 5-50 mm in the case of one tube and 2-50 mm in the case of more than one tube, and a wall thickness in the range of 0.1-1.0 mm,
- said foil having a total thickness in the range of 0.05-0.25 mm and a total metal thickness in the range of 0.002-0.1 mm.
Dependencies are inferred from the claim text.