Patent ID: 6742576
Filing Date: 2004-06-01
Classification: B29L,F28F

Abstract:
A structure for use in heat exchanger comprising a plurality of polymeric tubes arranged in parallel and placed at least 1Â½ tube diameters apart measured center-to-center, said tubes being held in place by, surrounded by and sealed to a laminated foil, said foil having two faces, one facing toward the tubes, and the other facing away from the tubes, said foil comprising at least one layer of metal with at least one polymer layer on at least the side facing the tubes,said tubes having an inner diameter in the range of 0.5-10 mm and a wall thickness in the range of 0.05-0.3 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.