JPH0755439Y2 - 下水道工事用エアーバッグ - Google Patents

下水道工事用エアーバッグ

Info

Publication number
JPH0755439Y2
JPH0755439Y2 JP11312590U JP11312590U JPH0755439Y2 JP H0755439 Y2 JPH0755439 Y2 JP H0755439Y2 JP 11312590 U JP11312590 U JP 11312590U JP 11312590 U JP11312590 U JP 11312590U JP H0755439 Y2 JPH0755439 Y2 JP H0755439Y2
Authority
JP
Japan
Prior art keywords
air bag
pipe
rod shaft
air
bag
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
JP11312590U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0471893U (en]
Inventor
正文 清水
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP11312590U priority Critical patent/JPH0755439Y2/ja
Publication of JPH0471893U publication Critical patent/JPH0471893U/ja
Application granted granted Critical
Publication of JPH0755439Y2 publication Critical patent/JPH0755439Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Sewage (AREA)
  • Pipe Accessories (AREA)
JP11312590U 1990-10-30 1990-10-30 下水道工事用エアーバッグ Expired - Lifetime JPH0755439Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11312590U JPH0755439Y2 (ja) 1990-10-30 1990-10-30 下水道工事用エアーバッグ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11312590U JPH0755439Y2 (ja) 1990-10-30 1990-10-30 下水道工事用エアーバッグ

Publications (2)

Publication Number Publication Date
JPH0471893U JPH0471893U (en]) 1992-06-25
JPH0755439Y2 true JPH0755439Y2 (ja) 1995-12-20

Family

ID=31860677

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11312590U Expired - Lifetime JPH0755439Y2 (ja) 1990-10-30 1990-10-30 下水道工事用エアーバッグ

Country Status (1)

Country Link
JP (1) JPH0755439Y2 (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108071892B (zh) * 2017-12-28 2023-09-19 厦门安越非开挖工程技术股份有限公司 一种用于排水管道的封堵气囊及其制作方法
JP2020133651A (ja) * 2019-02-13 2020-08-31 株式会社ホーシン 止水プラグ

Also Published As

Publication number Publication date
JPH0471893U (en]) 1992-06-25

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