METHOD FOR TRENCHLESS REPLACEMENT OF A PIPELINE.,申请号EP19900915224-传众专利搜索

发明名称	METHOD FOR TRENCHLESS REPLACEMENT OF A PIPELINE.
摘要	<p>A method for trenchless replacement of a pipeline, comprising the laying of a new pipeline (1) by way of arranging it coaxially with an old pipeline (2) and outside it, followed by extraction of the old pipeline (2).</p>
申请公布号	EP0444217(A1)	申请公布日期	1991.09.04
申请号	EP19900915224	申请日期	1990.08.21
申请人	INSTITUT GORNOGO DELA SIBIRSKOGO OTDELENIA AKADEMII NAUK SSSR	发明人	GRIGORASCHENKO, VLADIMIR ALEXANDROVICH;PLAVSKIKH, VLADIMIR DMITRIEVICH;REIFISOV, JURY BORISOVICH;SYRYAMIN, NIKOLAI DMITRIEVICH;KURLENYA, MIKHAIL VLADIMIROVICH;NEFEDOV, JURY IVANOVICH;ISAKOV, ALEXANDR LEONIDOVICH;KOSTYLEV, ALEXANDR DMITRIEVICH;RUDOVSKY, VALERY DAVYDOVICH
分类号	F16L1/024;E21B7/26;E21B7/28;E21B7/30;F16L1/00;F16L55/165	主分类号	F16L1/024
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