CONNECTION JOINT OF MULTI-LAYER PIPE, CONNECTION METHOD OF MULTI-LAYER PIPE AND CONNECTION STRUCTURE OF MULTI-LAYER PIPE

摘要

PROBLEM TO BE SOLVED: To provide a connection joint of a multi-layer pipe, a connection method of the multi-layer pipe and a connection structure of the multi-layer pipe, capable of facilitating connection of the multi-layer pipe.;SOLUTION: A connection joint 100 of a multi-layer pipe includes a first cylindrical part 110, a second cylindrical part 200 and a third cylindrical part 300. Also, the second cylindrical part 200 is formed on one end side of the first cylindrical part 110, and the third cylindrical part 300 is formed on the other side of the first cylindrical part 110. The second cylindrical part 200 is inserted into a multi-layer pipe 400, the third cylindrical part 300 is inserted into another multi-layer pipe, and then a connection structure 500 of the multi-layer pipe is formed.;COPYRIGHT: (C)2015,JPO&INPIT