Manufacture of dry transformer coil
专利汇可以提供Manufacture of dry transformer coil专利检索，专利查询，专利分析的服务。并且PURPOSE:To unnecessitate a metallic mold and allow the simplification and time shortening of the manufacturing process by a method wherein, after assembling an outside coil in concentric form to an inside coil, impregnated resin is impregnated in a resin bath and hardened in a heating furnace at the point an insulator layer is gelled or hardened. CONSTITUTION:In unit coils 17a-17e of the outside coil 19, an insulation layer 20 is provided respectively on the outer periphery, the insulator 21 treated with hardening promoter is wound up around the outside. The winding start and finish thereof are insulated resulting in the outside coil 19. After drying the assembled inside and outside coils 11 and 19, they are contained in a vessel 22, and the impregnated resin 24 is cast from an injection port 25 and impregnated over the entire coil in a vacuum pressure tank 23. It is left until the reaction goes resulting in the gelation of insulation layers 14 and 21 and an end part 12 without being leaked. Thereafter, coils are taken out from the resin bath 22 and hardened in a heating furnace, etc., and accordingly a resin impregnated coil, with the integral body of the inside coil 11 and outside one 19, is obtained.，下面是Manufacture of dry transformer coil专利的具体信息内容。
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