发明名称 Tapping tee
摘要 Tapping tee for a main pipe having integral coupling means for coupling to branch pipes made of flexible or relatively inflexible synthetic materials. A branch-receiving socket has a support pipe fitting snugly inside the branch pipe, and an integral sleeve having a part fitting snugly to the branch pipe outside, and a part with an enlarged bore for a sealing means.
申请公布号 US4018464(A) 申请公布日期 1977.04.19
申请号 US19750610567 申请日期 1975.09.05
申请人 POLVA-NEDERLAND B.V. 发明人 ACDA, PETRUS MARINUS;GUITONEAU, HANS EDWARD
分类号 F16L41/06;F16L37/00;F16L47/04;(IPC1-7):F16L5/00 主分类号 F16L41/06
代理机构 代理人
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