DEVICE MATERIAL TRANSPORTATION METHOD TO SEA BOTTOM AND DEVICE MATERIAL TRANSPORTATION SUPPORT DEVICE

Japanese Patent JP2016155467

A

PROBLEM TO BE SOLVED: To provide a device material transportation method to a sea bottom and a device material transportation support device capable of facilitating throwing-in work when a device material to be transported is dropped to the sea bottom, mitigating shocks at the time of landing at the bottom, and improving the prediction accuracy of a bottom landing position.SOLUTION: This device material transportation method to a sea bottom includes a storage container 11 having an unpacking device 12 for opening a package at a set water level, and a speed reduction device 13 for reducing a falling speed in water, and is characterized in that the storage container packing the speed reduction device is fixed to a device material 10 to be transported, the device material is thrown into the sea to freely fall, the unpacking device is operated at a set water depth M to start the speed reduction device of the storage container, and the device material is dropped in the reduced state of the falling speed by starting the speed reduction device to land it at a sea bottom G.SELECTED DRAWING: Figure 1

KOTOURA TAKESHI
KATAYAMA HIROYUKI
IWATSUKA YUDAI

JP2015034796A

September 01, 2016

February 25, 2015

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PENTA OCEAN CONSTRUCTION CO LTD

B63C11/00; B63B19/12; B63B21/48; B63B22/14; B63G8/00; E02D15/10

JP2009274946A	2009-11-26
JP2014034366A	2014-02-24
JPH05319397A	1993-12-03
JPH04366400A	1992-12-18
JPH07247529A	1995-09-26
JPS62138125A	1987-06-20
JPS55171699U	1980-12-09
JPH0740898A	1995-02-10
JP2007182182A	2007-07-19
JP2010018264A	2010-01-28
JPS55149500U	1980-10-28

US20110041754A1	2011-02-24
US20130269585A1	2013-10-17
US20110149679A1	2011-06-23

Keijiro Tamura
Kenichi Kobayashi

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