| 摘要 |
PURPOSE:To markedly facilitate handling and work, in the lining tube of an embedded pipe formed by coating or impregnating a flexible tube with an adhesive containing a thermosetting resin and the curing agent thereof, by sealing the above mentioned curing agent in a microcapsule ruptured by heating. CONSTITUTION:The lining tube 11 of an embedded pipe 1 is obtained by coating or impregnating a flexible tube with an adhesive containing a thermosetting resin and the curing agent thereof. At this time, the above mentioned curing agent is preliminarily sealed in a microcapsule ruptured by heating. Hereupon, in executing the lining tube 11, said tube 11 is inserted through the embedded pipe 1 and expanded to be bonded to the inner surface of the embedded pipe 11 under pressure and heated by hot water or steam. Whereupon, the microcapsule is ruptured and the reaction of the curing agent and the thermosetting resin is started to cure the thermosetting resin. By this method, a curing period can be arbitrarily set and the lining tube extremely easy in handling and work is obtained. |
