| 摘要 |
PURPOSE: A coupling for pipe connection is provided to firmly connect the connected parts of both pipes to both sides of a socket. CONSTITUTION: The coupling is formed by:inserting the edge of the connected part of both pipes(1, 1a) to be connected into both insides of a packing(12) inserted into insertion grooves(11) of both inner faces to have its both edges be contacted with each other; hanging front end hanging devices(23, 23a) of the connecting bars(22, 22a) attached on one side of middle part of upper and lower hard rings(20, 20a) on recessed devices(13, 13a) formed to be corresponding to the front ends of both sides of a socket(10) by insertion; and connecting the left and right combining ends(21, 21a) of the upper and lower hard rings using bolts and nuts.; Herein, the connected part of both pipes can be firmly fixed to both sides of the socket.
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