JPH0193247U - - Google Patents
Info
- Publication number
- JPH0193247U JPH0193247U JP18540187U JP18540187U JPH0193247U JP H0193247 U JPH0193247 U JP H0193247U JP 18540187 U JP18540187 U JP 18540187U JP 18540187 U JP18540187 U JP 18540187U JP H0193247 U JPH0193247 U JP H0193247U
- Authority
- JP
- Japan
- Prior art keywords
- ribs
- back surface
- cover plate
- gap
- intersection
- 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
- 239000002184 metal Substances 0.000 claims 1
Description
図面は、本考案の実施例を示すもので、第１図
は蓋板の裏面の平面図、第２図は第１図のＡ―Ａ
線断面図、第３図は第１図のＢ―Ｂ線断面図、第
４図はリブ交点の部分拡大斜視図である。
１……蓋板、２……リブ、３……裏面、４……
空隙、５……脚片。
The drawings show an embodiment of the present invention, and FIG. 1 is a plan view of the back of the lid plate, and FIG. 2 is a view taken along A-A in FIG.
3 is a sectional view taken along line BB in FIG. 1, and FIG. 4 is a partially enlarged perspective view of the rib intersection. 1... Lid plate, 2... Rib, 3... Back side, 4...
Gap, 5...Leg piece.
Claims (1)
２の交点において、蓋板１の裏面３とリブ２との
間に空隙４を設けたことを特徴とするマンホール
などの蓋板。 Ribs 2 formed on the back surface 3 of the lid plate 1 made of cast metal,
A cover plate for a manhole or the like, characterized in that a gap 4 is provided between the back surface 3 of the cover plate 1 and the ribs 2 at the intersection of the ribs 2 and 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18540187U JPH0545639Y2 (en) | 1987-12-07 | 1987-12-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18540187U JPH0545639Y2 (en) | 1987-12-07 | 1987-12-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0193247U true JPH0193247U (en) | 1989-06-19 |
| JPH0545639Y2 JPH0545639Y2 (en) | 1993-11-24 |
Family
ID=31476719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18540187U Expired - Lifetime JPH0545639Y2 (en) | 1987-12-07 | 1987-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0545639Y2 (en) |
-
1987
- 1987-12-07 JP JP18540187U patent/JPH0545639Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0545639Y2 (en) | 1993-11-24 |