JPS60120051U - manhole cover - Google Patents
manhole coverInfo
- Publication number
- JPS60120051U JPS60120051U JP694984U JP694984U JPS60120051U JP S60120051 U JPS60120051 U JP S60120051U JP 694984 U JP694984 U JP 694984U JP 694984 U JP694984 U JP 694984U JP S60120051 U JPS60120051 U JP S60120051U
- Authority
- JP
- Japan
- Prior art keywords
- manhole cover
- frame
- view
- cover
- inner lid
- 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.)
- Pending
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の実施例に係るマンホールカバーの分解
縦断斜視図。第２図は組合せ状態の縦断面図。第３図は
枠の構成が２重になっているものを示す一部縦断面図。
第４図は他の実施例を示すマンホールカバーの縦断面図
。第５図は内蓋の周突縁が水平方向に拡っている例を示
す断面図。第６図は内蓋が二部材からなつそいる例を示
す断面図。第７図は内蓋の周突縁が枠の嵌入溝の全体に
拡がっている例を示す断面図。
１・・・・・・枠、２・・・・・・内蓋、３・・・・・
・外蓋、４・・・・・・開口、５・・・・・・第−嵌入
溝、６・・・・・・第二嵌入溝、７・・・・・・外蓋の
周突縁、８・・・・・・内蓋の周突縁、１１・・・・・
・上枠、１２・・・・・・下枠、１３・・・・・・嵌入
部、１４・・・・・・嵌入溝、１５・・・・・・固着部
。FIG. 1 is an exploded longitudinal sectional perspective view of a manhole cover according to an embodiment of the present invention. FIG. 2 is a longitudinal sectional view of the assembled state. FIG. 3 is a partial vertical sectional view showing a double frame structure. FIG. 4 is a longitudinal sectional view of a manhole cover showing another embodiment. FIG. 5 is a sectional view showing an example in which the peripheral edge of the inner lid expands in the horizontal direction. FIG. 6 is a sectional view showing an example in which the inner lid is made up of two members. FIG. 7 is a cross-sectional view showing an example in which the peripheral protruding edge of the inner lid extends over the entire fitting groove of the frame. 1...Frame, 2...Inner lid, 3...
・Outer lid, 4...Opening, 5...First fitting groove, 6...Second fitting groove, 7...Peripheral protrusion of outer cover , 8... Peripheral ridge of inner lid, 11...
- Upper frame, 12... Lower frame, 13... Fitting part, 14... Fitting groove, 15... Fixing part.
Claims (1)
を被蓋する無機粉状体とプラスチックとよりなる外蓋３
とを組合わせてなるマンホールカバーに於て、外蓋３の
下方に枠１によって支持される内蓋２を設けた事を特徴
とするマンホール力／＜−A frame 1 made of inorganic powder and plastic; and an outer cover 3 made of inorganic powder and plastic that covers the frame 1.
The manhole cover is characterized in that an inner cover 2 supported by a frame 1 is provided below an outer cover 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP694984U JPS60120051U (en) | 1984-01-21 | 1984-01-21 | manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP694984U JPS60120051U (en) | 1984-01-21 | 1984-01-21 | manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60120051U true JPS60120051U (en) | 1985-08-13 |
Family
ID=30484856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP694984U Pending JPS60120051U (en) | 1984-01-21 | 1984-01-21 | manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60120051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011084316A (en) * | 2009-10-16 | 2011-04-28 | Ihi Corp | Manhole structure of tank |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5733753B2 (en) * | 1975-10-20 | 1982-07-19 |
-
1984
- 1984-01-21 JP JP694984U patent/JPS60120051U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5733753B2 (en) * | 1975-10-20 | 1982-07-19 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011084316A (en) * | 2009-10-16 | 2011-04-28 | Ihi Corp | Manhole structure of tank |
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