| 摘要 |
A pipe coupling or connection for plastic pipes, at least one of which has an end flange or collar, includes inner and outer rings having mating conical surfaces. The inner ring is plastic and is provided with a slit at one side and one or more thin hinge portions permitting it to be opened for placement over the pipe. The angle of the conical surfaces is chosen so that the resultant of clamping forces does not tend to tilt the rings or the pipe collar.
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