JPS5724716A - Floating object for preventing ocean contamination - Google Patents

Floating object for preventing ocean contamination

Info

Publication number
JPS5724716A
JPS5724716A JP9715480A JP9715480A JPS5724716A JP S5724716 A JPS5724716 A JP S5724716A JP 9715480 A JP9715480 A JP 9715480A JP 9715480 A JP9715480 A JP 9715480A JP S5724716 A JPS5724716 A JP S5724716A
Authority
JP
Japan
Prior art keywords
contamination
floating object
floating
preventing film
surrounding wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9715480A
Other languages
Japanese (ja)
Other versions
JPS6054449B2 (en
Inventor
Koji Karashima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP9715480A priority Critical patent/JPS6054449B2/en
Publication of JPS5724716A publication Critical patent/JPS5724716A/en
Publication of JPS6054449B2 publication Critical patent/JPS6054449B2/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/8833—Floating installations

Abstract

PURPOSE: To prevent an ocean contamination, by a method wherein a surrounding wall is formed of a contamination preventing film around a floating object, and a work ship, such as burges, whose bottom can open, is dragged into the surrounding wall to throw away earth and sand.
CONSTITUTION: A sea water inlet port 8 and a cover 9, which opens and closes by means of an operating device 6 on a deck, are placed at a lower side of a first floating object 1. A numeral 2 represents a second concave floating object which mates a channel 14 at the open end of the first floating object 1 and whose depth is enough for a work ship 4 to run therein and thereout. A numeral 3 is a contamination preventing film 3 which is installed at the lower end of the first and second floating objects 1 and 2, and a surrounding wall is formed around the floating objects. The contamination preventing film 3 can be moved vertically by means of an elevating device 7 on a deck. This constitution permits the reduction of a contamination of a surrounding sea water due to throwing of earth and sand.
COPYRIGHT: (C)1982,JPO&Japio
JP9715480A 1980-07-16 1980-07-16 Floating body for marine pollution prevention Expired JPS6054449B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9715480A JPS6054449B2 (en) 1980-07-16 1980-07-16 Floating body for marine pollution prevention

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9715480A JPS6054449B2 (en) 1980-07-16 1980-07-16 Floating body for marine pollution prevention

Publications (2)

Publication Number Publication Date
JPS5724716A true JPS5724716A (en) 1982-02-09
JPS6054449B2 JPS6054449B2 (en) 1985-11-30

Family

ID=14184643

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9715480A Expired JPS6054449B2 (en) 1980-07-16 1980-07-16 Floating body for marine pollution prevention

Country Status (1)

Country Link
JP (1) JPS6054449B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6157703A (en) * 1984-08-28 1986-03-24 Bridgestone Corp Sludge diffusion preventing device for underwater construction
US6637135B2 (en) * 2001-03-09 2003-10-28 Warren Howard Chesner Contaminated sediment removal vessel
US6640470B2 (en) * 2001-03-09 2003-11-04 Warren Howard Chesner Contaminated sediment remediation vessel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6157703A (en) * 1984-08-28 1986-03-24 Bridgestone Corp Sludge diffusion preventing device for underwater construction
US6637135B2 (en) * 2001-03-09 2003-10-28 Warren Howard Chesner Contaminated sediment removal vessel
US6640470B2 (en) * 2001-03-09 2003-11-04 Warren Howard Chesner Contaminated sediment remediation vessel

Also Published As

Publication number Publication date
JPS6054449B2 (en) 1985-11-30

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