| 摘要 |
1289045 Hinges SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NV 9 Feb 1970 [10 Feb 1969] 6096/70 Heading E2F [Also in Division F2] In apparatus for laying a submerged pipeline, the pipeline is paid out over the end of a barge and passed down a ramp defined by submerged segments 13 connected by hinges which may be of the types shown. These hinges have male 19 and female 20 hinge parts and elastomeric bushing 25 e.g. layer (s) of rubber. Further in Fig. 6, 7 limited pivoting is provided by parts 28 or 29, 30. The hinges are intended to move freely about the pin 21 but other directional movement is restricted and is absorbed by bushing 25. |
