| 摘要 |
An oil well blow out preventer hose coupling capable of withstanding blow out conditions. The coupling is characterized by a tubing having a ring connected to one end to which a nipple is attached to receive a corresponding coupling. The second end of the tubing has a stem attached for receiving the blow out preventer hose which is fastened to the stem. This entire structure is then wrapped with insulation and provided with an outside armored covering extending from the ring back over the tubing, stem and blow out preventer hose.
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