JPH0318253U - - Google Patents
Info
- Publication number
- JPH0318253U JPH0318253U JP7870189U JP7870189U JPH0318253U JP H0318253 U JPH0318253 U JP H0318253U JP 7870189 U JP7870189 U JP 7870189U JP 7870189 U JP7870189 U JP 7870189U JP H0318253 U JPH0318253 U JP H0318253U
- Authority
- JP
- Japan
- Prior art keywords
- manhole cover
- manhole
- buffer material
- shaped
- asphalt mixture
- 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
- 239000000463 material Substances 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Description
第１図は本考案の実施例を示す平面図、第２図
は実施例を示す断面図、第３図〜第６図は各種従
来技術を示す構成図である。
図面中、１１はマンホール鉄蓋、１４は緩衝材
、１５は改質アスフアルト混合物である。
FIG. 1 is a plan view showing an embodiment of the present invention, FIG. 2 is a sectional view showing the embodiment, and FIGS. 3 to 6 are configuration diagrams showing various conventional techniques. In the drawing, 11 is a manhole iron cover, 14 is a buffer material, and 15 is a modified asphalt mixture.
Claims (1)
閉じる円板状のマンホール鉄蓋と、 マンホール鉄蓋の上面周縁に設置され、しかも
内周形状が楕円形となつているリング状の緩衝材
と、 マンホール鉄蓋の上面で且つ緩衝材の内周面で
囲まれた部分に充填された改質アスフアルト混合
物と、 を有することを特徴とするマンホール蓋構造。[Scope of claim for utility model registration] A disc-shaped manhole cover that is placed below the road surface and closes the manhole, and a manhole cover that is installed on the periphery of the upper surface of the manhole cover and has an oval inner circumference. A manhole cover structure comprising: a ring-shaped buffer material; and a modified asphalt mixture filled in the upper surface of the manhole cover and a portion surrounded by the inner peripheral surface of the buffer material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989078701U JPH0724423Y2 (en) | 1989-07-05 | 1989-07-05 | Manhole cover structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989078701U JPH0724423Y2 (en) | 1989-07-05 | 1989-07-05 | Manhole cover structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0318253U true JPH0318253U (en) | 1991-02-22 |
| JPH0724423Y2 JPH0724423Y2 (en) | 1995-06-05 |
Family
ID=31622201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989078701U Expired - Lifetime JPH0724423Y2 (en) | 1989-07-05 | 1989-07-05 | Manhole cover structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0724423Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5428440A (en) * | 1977-08-04 | 1979-03-03 | Hinode Suidou Kiki Kk | Manhole cover structure |
| JPS60195343U (en) * | 1984-06-02 | 1985-12-26 | 尾見 昭良 | Manhole for asphalt paved road |
-
1989
- 1989-07-05 JP JP1989078701U patent/JPH0724423Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5428440A (en) * | 1977-08-04 | 1979-03-03 | Hinode Suidou Kiki Kk | Manhole cover structure |
| JPS60195343U (en) * | 1984-06-02 | 1985-12-26 | 尾見 昭良 | Manhole for asphalt paved road |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0724423Y2 (en) | 1995-06-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |