JPH0312832Y2 - - Google Patents
Info
- Publication number
- JPH0312832Y2 JPH0312832Y2 JP8776985U JP8776985U JPH0312832Y2 JP H0312832 Y2 JPH0312832 Y2 JP H0312832Y2 JP 8776985 U JP8776985 U JP 8776985U JP 8776985 U JP8776985 U JP 8776985U JP H0312832 Y2 JPH0312832 Y2 JP H0312832Y2
- Authority
- JP
- Japan
- Prior art keywords
- hole
- head
- screw
- inner cover
- tightening
- 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
Links
- 238000012856 packing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8776985U JPH0312832Y2 (enEXAMPLES) | 1985-06-10 | 1985-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8776985U JPH0312832Y2 (enEXAMPLES) | 1985-06-10 | 1985-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61202545U JPS61202545U (enEXAMPLES) | 1986-12-19 |
| JPH0312832Y2 true JPH0312832Y2 (enEXAMPLES) | 1991-03-26 |
Family
ID=30640292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8776985U Expired JPH0312832Y2 (enEXAMPLES) | 1985-06-10 | 1985-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312832Y2 (enEXAMPLES) |
-
1985
- 1985-06-10 JP JP8776985U patent/JPH0312832Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61202545U (enEXAMPLES) | 1986-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4302137A (en) | Anti-tamper fastening means | |
| US4645397A (en) | Tire theft prevention device | |
| US4611379A (en) | Method of removably securing a security threaded fastener apparatus | |
| US7673482B2 (en) | Wheel lock | |
| US5996613A (en) | Safety and default valve | |
| US5632301A (en) | Tamper resistant construction for hydrant | |
| US20110027044A1 (en) | Tamper-proof nut or bolt head security cover | |
| US4554944A (en) | Operating wrench for tamperproof hydrants | |
| JPH0312832Y2 (enEXAMPLES) | ||
| US4356839A (en) | Tamper resistant valve actuator for fire hydrant | |
| JP3535487B2 (ja) | 締結部取外し防止具 | |
| EP0383374A1 (en) | Publicity cover | |
| JPH0660651B2 (ja) | 鉄枠に対する鉄蓋取付装置 | |
| JP2006275072A (ja) | 固定ボルトおよび固定ナット用キャップ式防犯具 | |
| KR100577981B1 (ko) | 맨홀 잠금장치 | |
| JPS5817210A (ja) | 盗難防止装置 | |
| JPH0312824Y2 (enEXAMPLES) | ||
| KR200214309Y1 (ko) | 맨홀의 속뚜껑 잠금장치 | |
| JPH036667Y2 (enEXAMPLES) | ||
| JP2540963Y2 (ja) | マンホール用放圧型鉄蓋 | |
| JPH0312827Y2 (enEXAMPLES) | ||
| JP3077935B2 (ja) | 共同溝等の出入り口の蓋用施錠装置 | |
| JPH0316900Y2 (enEXAMPLES) | ||
| KR20010017815A (ko) | 체결용 봉인장치 | |
| JPH0246752B2 (enEXAMPLES) |