METHOD FOR REPAIRING SMALL-DIAMETER EXISTING TUBE AND LINING TUBE APPLIED TO THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a method for repair an existing tube having a curved part on the way of a duct with a small diameter by applying an inverting method. SOLUTION: In the method for repairing the small-diameter existing tube by applying the inverting method, as a lining tube, a flatly folded tube in which a width of the tube is reduced by folding from the flat tube state and fixedly set in the flatly folded state by heat treating, is applied. COPYRIGHT: (C)2003,JPO