Title:
WATER CUT-OFF METHOD FOR PIPE JOINT USING GELLIKE WATER CUT-OFF MATERIAL
Document Type and Number:
Japanese Patent JP2000291851
Kind Code:
A
Abstract:
To improve a water cut-of property of a pipe joint without degrading the executability.
A string-shaped gellike cut-off material 3 in which the characteristic of the breaking elongation is maximum 1300% and it is not changed in the service temperature range between -40°C and 80°C is wound around an end portion of a tube while applying the constant tension, the end portion around which the cut-off material 3 of this tube 1 is wound is inserted in a joint member 2, the gellike cut-off material 3 is returned to a condition before applying the tension inside the joint member 2, and thus, the gellike cut-off material 3 is filled between the joint member 2 and the tube 1 to cut-off water.
Inventors:
IKEDA YUKIHIRO
OTSUKI HIROSHI
NAGASAKA HIDEYA
OTSUKI HIROSHI
NAGASAKA HIDEYA
Application Number:
JP9828599A
Publication Date:
October 20, 2000
Filing Date:
April 06, 1999
Export Citation:
Assignee:
NIPPON KOKAN KK
International Classes:
F16L17/00; (IPC1-7): F16L17/00
Attorney, Agent or Firm:
Shigeru Takano