CN2407040Y - Manhole ring and cover - Google Patents
Manhole ring and cover Download PDFInfo
- Publication number
- CN2407040Y CN2407040Y CN 00206353 CN00206353U CN2407040Y CN 2407040 Y CN2407040 Y CN 2407040Y CN 00206353 CN00206353 CN 00206353 CN 00206353 U CN00206353 U CN 00206353U CN 2407040 Y CN2407040 Y CN 2407040Y
- Authority
- CN
- China
- Prior art keywords
- manhole
- ring
- walling crib
- prevention
- well
- 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
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 3
- 150000002843 nonmetals Chemical class 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 5
- 230000005611 electricity Effects 0.000 abstract 1
- 239000007769 metal material Substances 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910001141 Ductile iron Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 00206353 CN2407040Y (en) | 2000-03-17 | 2000-03-17 | Manhole ring and cover |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 00206353 CN2407040Y (en) | 2000-03-17 | 2000-03-17 | Manhole ring and cover |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2407040Y true CN2407040Y (en) | 2000-11-22 |
Family
ID=33574309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 00206353 Expired - Lifetime CN2407040Y (en) | 2000-03-17 | 2000-03-17 | Manhole ring and cover |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2407040Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103195094A (en) * | 2013-03-31 | 2013-07-10 | 陈俊达 | Safety inspection well cover base |
CN110499786A (en) * | 2019-08-29 | 2019-11-26 | 安徽普瑞明精密机械有限公司 | A kind of high-strength casting well lid adding graphene |
-
2000
- 2000-03-17 CN CN 00206353 patent/CN2407040Y/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103195094A (en) * | 2013-03-31 | 2013-07-10 | 陈俊达 | Safety inspection well cover base |
CN110499786A (en) * | 2019-08-29 | 2019-11-26 | 安徽普瑞明精密机械有限公司 | A kind of high-strength casting well lid adding graphene |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: LI LIMIN Free format text: FORMER NAME OR ADDRESS: LIANG LINHUA |
|
CP03 | Change of name, title or address |
Address after: 100101 Beijing city Chaoyang District Datun Road South Beach No. 38 Patentee after: Li Limin Address before: 100009, Beijing, Xicheng District Qian Tong Hutong No. 7 Patentee before: Liang Linhua |
|
C56 | Change in the name or address of the patentee |
Owner name: BEIJING SIFANGRUGANG CONCRETE PRODUCT CO., LTD. Free format text: FORMER NAME OR ADDRESS: LI LIMIN |
|
CP01 | Change in the name or title of a patent holder |
Patentee after: Beijing Sifangrugang Concrete Product Co., Ltd. Patentee before: Li Limin |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20001122 |
|
DD01 | Delivery of document by public notice |
Addressee: Beijing Sifangrugang Concrete Product Co., Ltd. Document name: Notification of Expiration of Patent Right Duration |