JPH0526101Y2 - - Google Patents

Info

Publication number
JPH0526101Y2
JPH0526101Y2 JP1990025013U JP2501390U JPH0526101Y2 JP H0526101 Y2 JPH0526101 Y2 JP H0526101Y2 JP 1990025013 U JP1990025013 U JP 1990025013U JP 2501390 U JP2501390 U JP 2501390U JP H0526101 Y2 JPH0526101 Y2 JP H0526101Y2
Authority
JP
Japan
Prior art keywords
float
air
inner tube
outer tube
diffusion prevention
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.)
Expired - Lifetime
Application number
JP1990025013U
Other languages
English (en)
Japanese (ja)
Other versions
JPH03119031U (en:Method
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 JP1990025013U priority Critical patent/JPH0526101Y2/ja
Publication of JPH03119031U publication Critical patent/JPH03119031U/ja
Application granted granted Critical
Publication of JPH0526101Y2 publication Critical patent/JPH0526101Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)
JP1990025013U 1990-03-15 1990-03-15 Expired - Lifetime JPH0526101Y2 (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990025013U JPH0526101Y2 (en:Method) 1990-03-15 1990-03-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990025013U JPH0526101Y2 (en:Method) 1990-03-15 1990-03-15

Publications (2)

Publication Number Publication Date
JPH03119031U JPH03119031U (en:Method) 1991-12-09
JPH0526101Y2 true JPH0526101Y2 (en:Method) 1993-07-01

Family

ID=31527959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990025013U Expired - Lifetime JPH0526101Y2 (en:Method) 1990-03-15 1990-03-15

Country Status (1)

Country Link
JP (1) JPH0526101Y2 (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4636985B2 (ja) * 2005-09-26 2011-02-23 海和テック株式会社 汚濁防止装置
JP6202676B2 (ja) * 2013-11-25 2017-09-27 海和テック株式会社 汚濁防止膜装置
JP6202675B2 (ja) * 2013-11-25 2017-09-27 海和テック株式会社 汚濁防止膜装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS558763U (en:Method) * 1978-06-30 1980-01-21
JPS60175616A (ja) * 1984-02-20 1985-09-09 Bridgestone Corp 浮上式汚濁拡散防止膜

Also Published As

Publication number Publication date
JPH03119031U (en:Method) 1991-12-09

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