地下通路に沿って移動する装置とその使用方法

Title:

地下通路に沿って移動する装置とその使用方法

Document Type and Number:

Japanese Patent JP3681394

Kind Code:

B2

Abstract:

PCT No. PCT/AU95/00667 Sec. 371 Date Apr. 3, 1997 Sec. 102(e) Date Apr. 3, 1997 PCT Filed Oct. 6, 1995 PCT Pub. No. WO96/11324 PCT Pub. Date Apr. 18, 1996Apparatus adapted for movement through a passage (16) formed in the ground, comprising an elongate element (13) and means for positioning a shroud (20) around at least part of the longitudinal periphery of the elongate element for engagement against the periphery of the passage (16) to provide a space through which the elongate element can move, the shroud (20) being of flexible construction and being arranged to be progressively installed in position as the elongate element (13) moves along the passage, and means for introducing an inflation fluid into the region (90) between the shroud (20) and the elongate element (13) for inflating the shroud (20) and maintaining it in engagement against the periphery of the passage (16).

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Inventors:

Neil Derek Bray, Graham

Application Number:

JP51221796A

Publication Date:

August 10, 2005

Filing Date:

October 06, 1995

Export Citation: