| 摘要 |
A joint pipe is provided to possibly move two pipes along a shaft line of the pipe, to flexibly connect the pipes at the joint portion, and to improve heat resistance and maintain the sealing property even at high temperature. A joint pipe comprises a socket pipe(d) combined with connected pipes(c) and disposed over corresponding ends of the connected pipes; fixing rings(h) fitted with the connected pipes by plural combining bolts and disposed at both sides of the socket pipe; packing rings(n) fitted between both inner sides(i) of the socket pipe and outer sides(cf) of the connected pipes and pressed on the outer surfaces of the connected pipes by the fixing rings to movably seal the connected pipes in a shaft direction(X); and an insulating unit(alpha) interposed between the fixing ring and the packing ring. The insulating unit is a coating layer made of an insulating material and formed on the lateral side of the packing ring of the fixing ring.
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