发明名称 COPPER TUBE SERVICE VALVE
摘要 <p>Of The Disclosure A generally cylindrical centrally bored housing is coaxially secured, at one end portion, within a short length of copper tubing. The other end of the copper tubing is bifurcated for connection with a line to be tapped. A valve equipped tubular core, having a length slightly legs than the combined length of the housing and the copper tubing and having a line piercing tip, is provided with a tapered surface intermediate its ends for sealing with a cooperating housing seat when the core enter the bore of the housing. A cap, threadedly engaged with the free end of the housing, forces the line piercing tip into the line and seals the core within the housing.</p>
申请公布号 CA1037297(A) 申请公布日期 1978.08.29
申请号 CA19750231342 申请日期 1975.07.14
申请人 MULLINS, JOHN W. 发明人 MULLINS, JOHN W.
分类号 B23B41/08;(IPC1-7):23B41/08 主分类号 B23B41/08
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