| 摘要 |
PROBLEM TO BE SOLVED: To provide the optimal form composition for resinification of a union joint: to obtain the union joint with reduced weight and improved workability, which particularly has a flange part with strength imparted. SOLUTION: In the resin-made union joint, the flange part opposed to a connection party is formed on a resin-made union main body, a stop ring is inserted in a housing formed in a ring nut, the ring nut is connected with the union main body through this stop ring, and packing is interposed on the connection party of the flange part. In the joint, the thickness of a flange base is increased by forming an R shape on the base opposed to the stop ring of the flange part and the incomplete screw portion of the ring nut is extended to produce pseudo-torque when the connection party is screwed therein. 1... union main body, 1a... body part of the union main body, 1b... flange, 1c... build-up part, 1e... step, 2... ring nut, 2a... female screw part, 3... stop ring, 4... packing, 5... ring housing. COPYRIGHT: (C)2011,JPO&INPIT
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