JPH0473047U - - Google Patents
Info
- Publication number
- JPH0473047U JPH0473047U JP11491190U JP11491190U JPH0473047U JP H0473047 U JPH0473047 U JP H0473047U JP 11491190 U JP11491190 U JP 11491190U JP 11491190 U JP11491190 U JP 11491190U JP H0473047 U JPH0473047 U JP H0473047U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical body
- manhole
- ventilation hole
- sealing member
- lid 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案のマンホール蓋の一実施例を示
す断面図、第２図は第１図Ａ部の拡大断面図、第
３図および第４図は本考案の実施例に使用される
シール部材の一例および他の例をそれぞれ示す平
面図、第５図はマンホールの一般的な構造を示す
概略図である。
１０……マンホール入口部、１２……内蓋、１
３……外蓋、１５……栓体、１６……円筒体、１
７……シール部材、１８……盲栓、１９……通気
孔。
Figure 1 is a sectional view showing an embodiment of the manhole cover of the present invention, Figure 2 is an enlarged sectional view of section A in Figure 1, and Figures 3 and 4 are seals used in the embodiment of the present invention. FIG. 5 is a plan view showing one example of the member and another example of the member, and a schematic diagram showing the general structure of a manhole. 10... Manhole entrance part, 12... Inner cover, 1
3... Outer lid, 15... Plug body, 16... Cylindrical body, 1
7... Seal member, 18... Blind plug, 19... Ventilation hole.
Claims (1)
本体に装着された栓体とを備え、前記栓体は、前
記蓋本体を貫通して固定された円筒体と、前記円
筒体内に挿置され、かつ軸方向に延びる通気孔を
有するシール部材と、前記円筒体の上端に螺合さ
れ、かつ前記シール部材を押圧して前記通気孔を
閉塞する盲栓とから構成されたものであることを
特徴とするマンホール蓋。 The manhole includes a lid body that closes a manhole entrance, a plug body attached to the lid body, a cylindrical body fixed through the lid body, and a cylindrical body inserted into the cylindrical body, and a sealing member having a ventilation hole extending in the axial direction, and a blind plug that is screwed onto the upper end of the cylindrical body and presses the sealing member to close the ventilation hole. A manhole cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11491190U JP2516648Y2 (en) | 1990-10-31 | 1990-10-31 | Manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11491190U JP2516648Y2 (en) | 1990-10-31 | 1990-10-31 | Manhole cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0473047U true JPH0473047U (en) | 1992-06-26 |
| JP2516648Y2 JP2516648Y2 (en) | 1996-11-06 |
Family
ID=31862636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11491190U Expired - Lifetime JP2516648Y2 (en) | 1990-10-31 | 1990-10-31 | Manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2516648Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0665826U (en) * | 1993-02-23 | 1994-09-16 | 矢崎総業株式会社 | Measuring instrument |
-
1990
- 1990-10-31 JP JP11491190U patent/JP2516648Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0665826U (en) * | 1993-02-23 | 1994-09-16 | 矢崎総業株式会社 | Measuring instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2516648Y2 (en) | 1996-11-06 |