Document Type and Number:
Japanese Patent JPS57500746
Kind Code:
A
Abstract:
PCT No. PCT/DK81/00054 Sec. 371 Date Dec. 18, 1981 Sec. 102(e) Date Dec. 18, 1981 PCT Filed May 11, 1981 PCT Pub. No. WO81/03189 PCT Pub. Date Nov. 12, 1981.A method of constructing a barrier upon an underwater surface by storing sheet material as a rolled web, unrolling the web, continuously forming the web into a longitudinal hollow of a tube-like configuration, progressively positioning spaced longitudinal slot-defining edge portions defining the underside of the longitudinal hollow upon an underwater surface, thereafter delivering ballast material through and between the spaced edge portions into the longitudinal hollow and into overlying relationship upon the edge portions to hold the edge portions upon the underwater surface, and the ballast material being delivered through a portion of the longitudinal hollow as the web is unrolled but the longitudinal hollow is not yet positioned upon the underwater surface.
Application Number:
JP50172481A
Publication Date:
April 30, 1982
Filing Date:
May 11, 1981
Export Citation:
International Classes:
E02B3/04; E02B3/00; E02B17/00; E02D3/00; E02D17/00; E02D17/20; (IPC1-7): F02B3/00