JPH01111736U - - Google Patents

Info

Publication number
JPH01111736U
JPH01111736U JP471088U JP471088U JPH01111736U JP H01111736 U JPH01111736 U JP H01111736U JP 471088 U JP471088 U JP 471088U JP 471088 U JP471088 U JP 471088U JP H01111736 U JPH01111736 U JP H01111736U
Authority
JP
Japan
Prior art keywords
water
cylindrical sheet
suspended
pollution prevention
work
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
JP471088U
Other languages
Japanese (ja)
Other versions
JPH0414495Y2 (en
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 filed Critical
Priority to JP1988004710U priority Critical patent/JPH0414495Y2/ja
Publication of JPH01111736U publication Critical patent/JPH01111736U/ja
Application granted granted Critical
Publication of JPH0414495Y2 publication Critical patent/JPH0414495Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例における汚濁防止幕
の側断面図、第２図は第１図の平面図、第３図は
第１図の逆止弁取付部の要部拡大側断面図、第４
図は第３図の正面図である。 ３……フロータ、５……筒状シート、６……ら
線状鉄筋、１１……逆止弁、Ｂ……水底面、Ｗ…
…水面。 Fig. 1 is a side sectional view of a pollution prevention curtain in an embodiment of the present invention, Fig. 2 is a plan view of Fig. 1, and Fig. 3 is an enlarged side sectional view of the main part of the check valve mounting part of Fig. 1. , 4th
The figure is a front view of FIG. 3. 3... Floater, 5... Cylindrical sheet, 6... Linear reinforcement, 11... Check valve, B... Water bottom surface, W...
...Water surface.

Claims (1)

【実用新案登録請求の範囲】 １ 水面に浮遊可能な枠状のフロータから水底面
まで吊下げ可能な筒状シートの上端部から下端部
までの周囲に沿つてら線状鉄筋を配設した浚渫作
業用汚濁防止幕。 ２ フロータから水底面に吊下げ可能な筒状シー
トの中間に、筒状シート内の水量を調整可能な逆
止弁が取付けられている浚渫作業用汚濁防止幕。[Scope of Claim for Utility Model Registration] 1. A dredging device in which a cylindrical sheet that can be suspended from a frame-shaped floater floating on the water surface to the bottom surface of the water is provided with spiral reinforcing bars along the circumference from the upper end to the lower end. Pollution prevention curtain for work. 2. A pollution prevention curtain for dredging work in which a check valve that can adjust the amount of water in the cylindrical sheet is installed in the middle of the cylindrical sheet that can be suspended from the floater to the bottom surface of the water.
JP1988004710U 1988-01-20 1988-01-20 Expired JPH0414495Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988004710U JPH0414495Y2 (en) 1988-01-20 1988-01-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988004710U JPH0414495Y2 (en) 1988-01-20 1988-01-20

Publications (2)

Publication Number Publication Date
JPH01111736U true JPH01111736U (en) 1989-07-27
JPH0414495Y2 JPH0414495Y2 (en) 1992-03-31

Family

ID=31207461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988004710U Expired JPH0414495Y2 (en) 1988-01-20 1988-01-20

Country Status (1)

Country Link
JP (1) JPH0414495Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010248861A (en) * 2009-04-20 2010-11-04 Wakachiku Construction Co Ltd Curtain for preventing pollution with one-way valve

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6216128U (en) * 1985-07-11 1987-01-30

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55147112A (en) * 1979-05-07 1980-11-15 Pinoonen Pentei Inside fluidizing type filter device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6216128U (en) * 1985-07-11 1987-01-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010248861A (en) * 2009-04-20 2010-11-04 Wakachiku Construction Co Ltd Curtain for preventing pollution with one-way valve

Also Published As

Publication number Publication date
JPH0414495Y2 (en) 1992-03-31

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