Method of manufacturing a hybrid framework consisting of metallic plate and projection made of synthetic resin

摘要

When constructing an electrical or electronic device or mechanical device such as a tape recorder, the framework therefor must be provided with various projections for installing various components to be contained therein, or something such as a spring for actuating the mechanism incorporated thereon must be previously provided on the framework. The present disclosure relates to such projections which are made of synthetic resin which can be integrally formed on a metallic plate during the step of molding and also to such molded projections which are not deformed by the shrinking of the synthetic resin when molded integrally with the plate to form the framework.