| 摘要 |
PROBLEM TO BE SOLVED: To provide a spiral type membrane element capable of preventing effectively occurrence of cracks in the fiber-reinforced resin layer without increase of the thickness of the layers, the amount of the materials and/or the number of processes for formation of a fiber-reinforced resin layer and its manufacturing method. SOLUTION: The spiral type membrane element includes a cylindrical wound body R consisting of a separation membrane, a supply-side passage material and a permeation-side passage material, wound spirally in a laminated state around and holed central tube 5. A fibre-reinforced resin layer 26 with a fiber wound material consisting of a winding of a fiber bundle 25 as a reinforcing phase is formed as a sheath material formed on the outer periphery of the cylindrical wound body R, and the fiber bundle 25 is wound so as to intersect at an angleθ1 of 40-75°and an angle ofθ2 of 105-140°with respect to the axial direction A of the cylindrical wound body R. COPYRIGHT: (C)2009,JPO&INPIT
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