发明名称 Rotatable pipe coupling for a plurality of incoming and a plurality of outgoing pipes
摘要 The invention relates to a rotatable pipe coupling for a plurality of pipes comprising a plurality of annular bodies (1,2,3) which are concentric and in interfitted relation with respect to one another instead of being stacked upon each other.
申请公布号 US4635971(A) 申请公布日期 1987.01.13
申请号 US19840654094 申请日期 1984.09.24
申请人 SINGLE BUOY MOORINGS INC. 发明人 PERRATONE, RENE;POLDERVAART, LEENDERT
分类号 F16L39/04;F16L37/00;F16L39/06;(IPC1-7):F16L39/04 主分类号 F16L39/04
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