| 摘要 |
1360434 Securing coils of dynamoelectric machines SIEMENS AG 13 Aug 1971 [19 Aug 1970] 38199/71 Addition to 1047405 Heading H2A In a method of manufacturing an electrical machine as defined by claim 1 of the parent Specification 1,047,405, the sealing mixture further comprises a liquid isocyanate setting component which can set the synthetic resin composition without the application of heat thereto, and such resin comprises an epoxy resin and a BF 3 -amine adduct. Such setting component may be diphenylmethane-4,41-diisocyanate, and thickened by quartz meal, the epoxy resin may be a cycloaliphatic resin, and the adduct may be BF3-N-methylcyclohexylamine, the relative proportions and a method of preparing the mixture being described in the Specification. |
