| 摘要 |
PCT No. PCT/SE81/00325 Sec. 371 Date Jun. 17, 1982 Sec. 102(e) Date Jun. 17, 1982 PCT Filed Nov. 4, 1981 PCT Pub. No. WO82/01489 PCT Pub. Date May 13, 1982.A device and method for repairing and/or reinforcing a pipe system, according to which a tubular member (2) is inserted into a pipe (1) to be repaired, having sealed end portions and longitudinally extending impressions, or deformations (3, 3'), functioning to reduce the diameter of the tubular member (2) from its final diameter after use an explosive charge (4) with associated igniting device is arranged within the tubular member (2), whereby detonation of said explosive charge (4) causes expansion of the tubular member (2) to a surrounding contact position against the internal wall surface of the pipe (1). Advantageously the sealed end portions, or at least one of them, is opened and pressed into a sealing contact position against the surrounding pipe (1) by the force of the explosive charge.
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