JPH028562A - マンホール蓋板の開閉装置 - Google Patents
マンホール蓋板の開閉装置Info
- Publication number
- JPH028562A JPH028562A JP15766488A JP15766488A JPH028562A JP H028562 A JPH028562 A JP H028562A JP 15766488 A JP15766488 A JP 15766488A JP 15766488 A JP15766488 A JP 15766488A JP H028562 A JPH028562 A JP H028562A
- Authority
- JP
- Japan
- Prior art keywords
- cover plate
- manhole
- flange
- plate
- ring
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 34
- 210000000078 claw Anatomy 0.000 claims description 31
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000012856 packing Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 abstract description 11
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Commercial Cooking Devices (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15766488A JPH028562A (ja) | 1988-06-23 | 1988-06-23 | マンホール蓋板の開閉装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15766488A JPH028562A (ja) | 1988-06-23 | 1988-06-23 | マンホール蓋板の開閉装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH028562A true JPH028562A (ja) | 1990-01-12 |
| JPH0432263B2 JPH0432263B2 (cs) | 1992-05-28 |
Family
ID=15654683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15766488A Granted JPH028562A (ja) | 1988-06-23 | 1988-06-23 | マンホール蓋板の開閉装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH028562A (cs) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4952199A (en) * | 1988-07-29 | 1990-08-28 | Honda Giken Kogyo Kabushiki Kaisha | Toothed sintered pulley |
| JP2003061823A (ja) * | 2001-08-29 | 2003-03-04 | Nippon Business Kaihatsu Kk | めん類ゆで上げ装置およびめん類ゆで上げ方法 |
| CN102401130A (zh) * | 2010-09-13 | 2012-04-04 | 贵州航天乌江机电设备有限责任公司 | 一种超临界高压容器快速开闭盖的方法及气动装置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6129275B1 (ja) * | 2015-11-02 | 2017-05-17 | 三菱電機株式会社 | 調理器 |
-
1988
- 1988-06-23 JP JP15766488A patent/JPH028562A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4952199A (en) * | 1988-07-29 | 1990-08-28 | Honda Giken Kogyo Kabushiki Kaisha | Toothed sintered pulley |
| JP2003061823A (ja) * | 2001-08-29 | 2003-03-04 | Nippon Business Kaihatsu Kk | めん類ゆで上げ装置およびめん類ゆで上げ方法 |
| CN102401130A (zh) * | 2010-09-13 | 2012-04-04 | 贵州航天乌江机电设备有限责任公司 | 一种超临界高压容器快速开闭盖的方法及气动装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0432263B2 (cs) | 1992-05-28 |
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