发明名称 Hydrant valve connection
摘要 A fire hydrant having an improved means of attaching the lower stand pipe portion to the hydrant valve body. The lower stand pipe is sealed to the valve body by means of a well-known push-on joining method and is prevented from separating therefrom by use of novel keying means. The keys can be removed should it become necessary to separate the lower stand pipe from the hydrant valve body.
申请公布号 US4128265(A) 申请公布日期 1978.12.05
申请号 US19770814769 申请日期 1977.07.11
申请人 UNITED STATES PIPE AND FOUNDRY COMPANY 发明人 FENSTER, ABRAHAM S.;SALLOGA, FRED W.
分类号 F16L37/14;(IPC1-7):F16L37/14 主分类号 F16L37/14
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