发明名称 Pipe closure device.
摘要 <p>A closure for sealing the cutter guide tube of a pipe saddle fitting comprises a cap of thermoplastic material having a screw-threaded section (5) to enable releasable attachment of the closure to the tube, and a section (6) with a cylindrical surface incorporating a heating coil (8) to which a welding current is delivered to fix the closure permanently to the tube when the pipe joint has been completed and tested. &lt;IMAGE&gt;</p>
申请公布号 EP0497573(B1) 申请公布日期 1995.01.04
申请号 EP19920300742 申请日期 1992.01.29
申请人 FUSION GROUP PLC 发明人 KENWORTHY, DAVID MICHAEL ANTHONY
分类号 B29C65/00;B29C65/34;B29C65/72;F16L47/03;F16L55/115;(IPC1-7):F16L47/02 主分类号 B29C65/00
代理机构 代理人
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