发明名称 Method and mold for making a dual-lip shaft seal with one spring urged lip
摘要 A dual-lip shaft seal with two PTFE sealing members bonded to a molded elastomeric body, and a method and mold for its manufacture includes an elastomeric body bonded to the radial flange of a metal case and provides (1) a shaped lip with a garter spring held in a recess and, bonded to its other side, a frustoconical PTFE ring providing its sealing lip portion and (2) an inflexible portion bonded to a radially extending PTFE wafer.
申请公布号 US4578856(A) 申请公布日期 1986.04.01
申请号 US19840598857 申请日期 1984.04.11
申请人 FEDERAL-MOGUL CORPORATION 发明人 BUTLER, JOHN D.
分类号 B29C43/18;B29C70/68;B29D99/00;F16J15/32;(IPC1-7):B29C45/02 主分类号 B29C43/18
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