| 摘要 |
PROBLEM TO BE SOLVED: To provide a pipe connecting seal material capable of ensuring the sealing. SOLUTION: This seal member consists of an annular seal member 2 to be installed to the outer surface of a corrugated pipe having protruding parts and recessed parts annularly or spirally formed thereon so as to be alternately located, and it comprises a fitting part having protruding parts 2A and recessed parts 2B to be fitted to the irregular parts of the corrugated pipe on the inside surface. A plurality of protruding parts 3 protruded to the recessed part side of the corrugated pipe is provided on the protruding part surface of the seal member 2 along the circumferential direction, and at least the tip of each protruding part 3 of the seal member 2 is formed in an inclined attitude along the direction crossing the radial direction passing the axial center X of the corrugated pipe. |
