Japan, Sept. 18 -- TODA CONSTR CO LTD,YOSHIDA-GUMI CO LTD,JAPAN MARINE UNITED CORP has got intellectual property rights for 'MANUFACTURING METHOD FOR OCEAN WORK FACILITY AND CONSTRUCTION METHOD FOR OCEAN WIND POWER GENERATION FACILITY.' Other related details are as follows:
Application Number: JP,2022-126203
Category (FI): B63B77/10,B63B35/00@M,B63B27/10@A
Stage: PROBLEM TO BE SOLVED: To enable mounting of a crane which is larger than a present one by reviewing a supporting structure for a large size crane when manufacturing an ocean work facility by renovating an existing jack-up type digging rig.SOLUTION: A construction method includes: a first step of preparing an existing jack-up type digging rig 10; a second step of removing unnecessary facilities including at least a cantilever 8 and a digging facility 9 from the jack-up type digging rig 10; a third step of forming a cut-out recessed part 2a which is polygonal in a plan view in outer periphery part of a main deck 2 and in a portion where a cantilever 8 has been removed; a fourth step of disposing a crane frame deck 4 integrally onto the main deck 2 in a form of filling a space of the cut-out recessed part 2a, thereby, making a structure where the crane frame deck 4 is supported from multiple directions by respective sides of the cut-out recessed part 2a; and a fifth step of loading a large sized crane 6 onto the crane frame deck 4.SELECTED DRAWING: Figure 1 (Grant)
Filing Date: Aug. 8, 2022
Publication Date: Feb. 21, 2024
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.