| 摘要 |
PROBLEM TO BE SOLVED: To obtain a thermosetting resin laminated tube 6 which has mechanical strength without the occurrence of deformation during winding formation and a high interlayer withstand voltage by the efficient penetration of insulation oil and is excellent in characteristics as an insulation cylinder for a winding. SOLUTION: In the thermosetting resin laminated tube, a prepreg sheet 1 which has a thermosetting resin coating part 3 with a thermosetting resin applied in a discontinuous shape on at least one side of a paper substrate 2 and in which a thermosetting resin-impregnated layer 4 and a thermosetting resin-unimpregnated layer 5 exist in the thickness direction of the paper substrate 2 is wound cylindrically in the thickness direction of the paper substrate, heated, and cured. The air permeability of the paper substrate 2 used in the prepreg sheet 1 is 100-700 S/mL, and the area of one thermosetting resin coating part in a discontinuous shape is 400-3,600 mm<SP>2</SP>. The total area of the adhesion of the thermosetting resin is 60-90% of the total surface area of the paper substrate 2. COPYRIGHT: (C)2006,JPO&NCIPI |
