Patent ID: 8657529
Filing Date: 2014-02-25
Classification: E02B,E02D,F03D,F05B,F16L,H02G,Y02E

Abstract:
1. A method for planarizing unevenness which is an uneven surface of a seabed when installing submarine cables, tubes or pipelines, comprising the steps of: installing a plurality of bag-shaped filter units, each containing predetermined block objects, on said unevenness, an entirety of the installed plurality of bag-shaped filter units forming an uppermost surface adjacent the uneven surface of the seabed; leveling the installed said plurality of bag-shaped filter units so that the uppermost surface formed by the installed said plurality of bag-shaped filter units becomes flush with said seabed adjacent to the uneven surface, and installing submarine cables, tubes or pipelines on said flush seabed.