JPS6437555U - - Google Patents
Info
- Publication number
- JPS6437555U JPS6437555U JP13216387U JP13216387U JPS6437555U JP S6437555 U JPS6437555 U JP S6437555U JP 13216387 U JP13216387 U JP 13216387U JP 13216387 U JP13216387 U JP 13216387U JP S6437555 U JPS6437555 U JP S6437555U
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- reinforced plastic
- fiber
- opening
- main body
- 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
- 238000007789 sealing Methods 0.000 claims description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims 4
- 239000011151 fibre-reinforced plastic Substances 0.000 claims 4
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000002184 metal Substances 0.000 description 1
Description
第１図は本考案の一実施例を示すＦＲＰ管の人
孔蓋の断面図、第２図は第１図の―線断面図
、第３図は従来のＦＲＰ管の人孔蓋の一例を示す
断面図、第４図は第３図の―線断面図である
。
２０…人孔蓋、２１…ＦＲＰ管、２２…人孔、
２３…ＦＲＰ積層部、２４…蓋本体、２５…蓋固
定板、２６…開口部、２８…ＦＲＰ板、２９…金
属板、３２…締結部材、３３…シール部材。
Fig. 1 is a sectional view of a manhole cover made of FRP pipe showing an embodiment of the present invention, Fig. 2 is a sectional view taken along the line - - in Fig. 1, and Fig. 3 is an example of a manhole cover of a conventional FRP pipe. The sectional view shown in FIG. 4 is a sectional view taken along the line -- in FIG. 3. 20...manhole cover, 21...FRP pipe, 22...manhole,
23...FRP laminated portion, 24...lid main body, 25...lid fixing plate, 26...opening, 28...FRP board, 29...metal plate, 32...fastening member, 33... sealing member.
Claims (1)
孔を開閉する人孔蓋において、前記人孔の外面に
前記人孔よりもやや小径の開口部を有する板状の
繊維強化プラスチツク積層部が形成され、前記開
口部の周縁部を挟持するように、内面にシール部
材を介して蓋本体と、外面に蓋固定板とが締結部
材を介して着脱可能に締結して設けられ、前記蓋
本体の内面が前記繊維強化プラスチツク管の内周
面に一致する凹面に形成されたことを特徴とする
繊維強化プラスチツク管の人孔蓋。 In a manhole cover for opening and closing a manhole provided in a pipe wall of a fiber-reinforced plastic pipe, a plate-shaped fiber-reinforced plastic laminated portion having an opening slightly smaller in diameter than the manhole is formed on the outer surface of the manhole. , a lid main body is provided on the inner surface through a sealing member and a lid fixing plate is removably fastened on the outer surface through a fastening member so as to sandwich the peripheral edge of the opening, and the inner surface of the lid main body 1. A manhole cover for a fiber-reinforced plastic tube, characterized in that: is formed into a concave surface that matches the inner peripheral surface of the fiber-reinforced plastic tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13216387U JPS6437555U (en) | 1987-08-28 | 1987-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13216387U JPS6437555U (en) | 1987-08-28 | 1987-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6437555U true JPS6437555U (en) | 1989-03-07 |
Family
ID=31388876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13216387U Pending JPS6437555U (en) | 1987-08-28 | 1987-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6437555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002146892A (en) * | 2000-11-09 | 2002-05-22 | Sekisui Kanzai Technics Kk | Inspection port cover structure for sewage stack |
-
1987
- 1987-08-28 JP JP13216387U patent/JPS6437555U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002146892A (en) * | 2000-11-09 | 2002-05-22 | Sekisui Kanzai Technics Kk | Inspection port cover structure for sewage stack |