JPH0645478Y2 - マンホール蓋係止具 - Google Patents
マンホール蓋係止具Info
- Publication number
- JPH0645478Y2 JPH0645478Y2 JP1988154579U JP15457988U JPH0645478Y2 JP H0645478 Y2 JPH0645478 Y2 JP H0645478Y2 JP 1988154579 U JP1988154579 U JP 1988154579U JP 15457988 U JP15457988 U JP 15457988U JP H0645478 Y2 JPH0645478 Y2 JP H0645478Y2
- Authority
- JP
- Japan
- Prior art keywords
- locking device
- manhole cover
- manhole
- split ring
- cover locking
- 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
Links
- 230000037431 insertion Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Sewage (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988154579U JPH0645478Y2 (ja) | 1988-11-28 | 1988-11-28 | マンホール蓋係止具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988154579U JPH0645478Y2 (ja) | 1988-11-28 | 1988-11-28 | マンホール蓋係止具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0278643U JPH0278643U (en]) | 1990-06-18 |
JPH0645478Y2 true JPH0645478Y2 (ja) | 1994-11-24 |
Family
ID=31431438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988154579U Expired - Lifetime JPH0645478Y2 (ja) | 1988-11-28 | 1988-11-28 | マンホール蓋係止具 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0645478Y2 (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6111208B2 (ja) * | 2014-01-14 | 2017-04-05 | 中部美化企業株式会社 | 蓋部材 |
KR101458360B1 (ko) * | 2014-04-30 | 2014-11-05 | 주안글라스화이바 주식회사 | 작동 불능시 간편 해제 가능한 맨홀용 잠금장치 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0312828Y2 (en]) * | 1985-04-01 | 1991-03-26 |
-
1988
- 1988-11-28 JP JP1988154579U patent/JPH0645478Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0278643U (en]) | 1990-06-18 |
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