| 摘要 |
A pipe coupler for coupling pipe of dissimilar composition having a substantially cylindrical housing with a stub end and a bell end, the housing having a primarily plastic composition with an embedded anchor ring at the bell end wherein the anchor ring includes a plurality of threaded radial holes and a set of gripping bolts with ends that physically engage an outer surface of a pipe inserted into the bell end of the housing and a plurality of threaded axial holes off-set from the radial holes with a compressor ring, sized to slip over the end of a pipe inserted into the bell end of the housing, the compressor ring compressing a seal when a series of axial bolts engaging the anchor ring are tightened.
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