发明名称 LOUDSPEAKERS
摘要 A method of making a loudspeaker cone and flexible surround assembly comprising arranging an injection moulded plastics cone in the mould cavity of an injection moulding apparatus and injection moulding an elastomeric material onto the periphery of the cone under heat and pressure to form a surround or suspension which is chemically bonded to the material of the cone. The invention is also a loudspeaker cone and surround assembly wherein the surround is an injection moulding formed directly on to the cone.
申请公布号 CA2058131(A1) 申请公布日期 1992.06.21
申请号 CA19912058131 申请日期 1991.12.19
申请人 发明人
分类号 B29C45/14;H04R1/00;H04R31/00;(IPC1-7):H04R1/00 主分类号 B29C45/14
代理机构 代理人
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