JPH0372955U - - Google Patents
Info
- Publication number
- JPH0372955U JPH0372955U JP13365589U JP13365589U JPH0372955U JP H0372955 U JPH0372955 U JP H0372955U JP 13365589 U JP13365589 U JP 13365589U JP 13365589 U JP13365589 U JP 13365589U JP H0372955 U JPH0372955 U JP H0372955U
- Authority
- JP
- Japan
- Prior art keywords
- iron
- iron lid
- side surfaces
- lid piece
- close contact
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 10
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 claims 2
Description
第１図は、この考案のマンホール用鉄蓋の一実
施態様を示す平面図、第２図は、この考案のマン
ホール用鉄蓋の一実施態様を示す断面図、第３図
は、第１図の部分拡大図、第４図は、従来のマン
ホール用鉄蓋の断面図、第５図は、第４図の部分
拡大図である。図面において、
１，３，４……鉄蓋、１Ａ，１Ｂ，３Ａ，４Ａ
，４Ｂ……側面、２……鉄枠。
FIG. 1 is a plan view showing an embodiment of the iron manhole cover of this invention, FIG. 2 is a sectional view showing an embodiment of the iron manhole cover of this invention, and FIG. 3 is the same as that of FIG. 1. 4 is a sectional view of a conventional manhole iron cover, and FIG. 5 is a partially enlarged view of FIG. 4. In the drawings, 1, 3, 4... iron lid, 1A, 1B, 3A, 4A
, 4B...Side, 2...Iron frame.
Claims (1)
蓋片からなり、前記一方の鉄蓋片の側面は、何れ
も内向きに傾斜しており、前記他方の鉄蓋片の側
面は、前記一方の鉄蓋片の側面と密着する側面の
みが、前記一方の鉄蓋片の前記側面と密着するよ
うに外向きに傾斜し、他の側面は、何れも内向き
に傾斜していることを特徴とするマンホール用鉄
蓋。 Consisting of a pair of rectangular iron lid pieces that are fitted horizontally into the iron frame, the side surfaces of the one iron lid piece are both inclined inward, and the side surfaces of the other iron lid piece are Only the side surface that comes into close contact with the side surface of one of the iron lid pieces is slanted outward so as to be in close contact with the side surface of the one iron lid piece, and the other side surfaces are all slanted inward. Features an iron cover for manholes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13365589U JPH0372955U (en) | 1989-11-17 | 1989-11-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13365589U JPH0372955U (en) | 1989-11-17 | 1989-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0372955U true JPH0372955U (en) | 1991-07-23 |
Family
ID=31681053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13365589U Pending JPH0372955U (en) | 1989-11-17 | 1989-11-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0372955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006336312A (en) * | 2005-06-02 | 2006-12-14 | Fukunishi Imono Kk | Rectangular manhole |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5239658B2 (en) * | 1973-11-16 | 1977-10-06 |
-
1989
- 1989-11-17 JP JP13365589U patent/JPH0372955U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5239658B2 (en) * | 1973-11-16 | 1977-10-06 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006336312A (en) * | 2005-06-02 | 2006-12-14 | Fukunishi Imono Kk | Rectangular manhole |