| 摘要 |
A pipe coupling gland assembly is provided to improve the reliability of product by preventing the screwed part of the pressing ring and the gland from being released. A pipe coupling gland assembly is comprised of the socket main body(10), the rubber ring(20), the gland(30), the fasteners (40) and the pressing ring(50). The screw mounting means which each other are screwed up are formed in gland and pressing ring, and the unscrewing preventive means prevents from the screw mounting means release. The unscrewing preventive means comprises the jamming protrusion(34) formed in the threaded pipe neighboring of gland upper side and the lock devices(54) formed in the lower-part of pressing ring.
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