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发明名称
粘复聚四氟乙烯O型密封圈
摘要
本实用新型公开了一种O型密封圈,它特别适用于液压及气动元件的密封。常用于气缸的O型密封圈是用橡胶或以橡胶为内衬在其外沿包复一层聚四氟乙烯膜制成。前者摩擦阻力大、寿命短,后者又不能用作液压、气动元件的密封。本实用新型是将包复聚四氟乙烯的接头部分用表面处理剂处理后涂以环氧一般粘结剂,经粘结、压合、固化、打磨而成为光滑的密封型包复层。该密封圈、摩擦系数小、耐老化,寿命为活塞行程的1500公里以上。
申请公布号
CN87209424U
申请公布日期
1988.02.03
申请号
CN87209424
申请日期
1987.06.19
申请人
范正元
发明人
范正元
分类号
F16J9/28
主分类号
F16J9/28
代理机构
代理人
主权项
1、一种聚四氟乙烯O型密封圈,它由橡胶内衬、聚四氟乙烯包复层组成,其特征在于该O型圈包复层的接头部分是经密封处理而成为光滑的,密封型的粘复聚四氟乙烯O型密封圈。
地址
四川省自贡市自井区东兴寺街66号
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