| 摘要 |
A process for producing by compression molding, an insulator with a core as well a housing consisting of a sheath portion and at least one shade portion around the sheath portion, comprising the steps of: (A) preliminarily forming a rubbery layer around an outer periphery of said core to obtain a preliminarily molded body by extrusion molding, (B) placing said preliminarily molded body between at least two mold units of a mold; (C) forming a compressed molding by compression molding said preliminarily molded body in a given shape inside a cavity defined by said at least two mold units; and (D) curing the resulting molding. An apparatus is also disclosed for producing such an insulator by compression molding, which apparatus comprises (A) a preliminary molding unit, (B) a molding unit form forming a compressed molding from the preliminarily molded body in a given shape by using a mold, and (C) a heater for curing the rubber in the rubber layer. <IMAGE> |
