Patent ID: 7484770

Claim:
A connecting structure for piping members, comprising: a first piping member having a channel therein, the first piping member having at least one first joint surface which includes at least one first opening in communication with said channel, said at least one first joint surface further including a first annular groove therein; a second piping member having a channel therein, the second piping member having at least one second joint surface which includes at least one second opening in communication with said channel, said at least one second joint surface further including a second annular groove therein; and a sleeve including a partition and inserting sections which are radially thinner than said partition and which are disposed on either side of said partition, said inserting sections including flanges on both ends thereof between which at least one elastic body is fitted such that said inserting sections each is press insertable into a respective one of said first and second annular grooves.