| 摘要 |
A connector for attachment to a tubular conduit, having a generally tubular metallic body. The tubular metallic body having a first portion, a second portion integral with the first portion having a smooth cylindrical outer surface adapted to be inserted into the conduit and a formed rounded rolled-over nose at its outer end, a longitudinally directed internal passage extending through the tubular body for receiving fluid flow, a first and second annular groove formed in the second portion axially spaced from each other, a first essentially constant diameter portion extending between the first annular groove and the second annular groove, and a second essentially constant diameter portion extending between the first annular groove and the first end portion.
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