JPH01137342U - - Google Patents
Info
- Publication number
- JPH01137342U JPH01137342U JP3098288U JP3098288U JPH01137342U JP H01137342 U JPH01137342 U JP H01137342U JP 3098288 U JP3098288 U JP 3098288U JP 3098288 U JP3098288 U JP 3098288U JP H01137342 U JPH01137342 U JP H01137342U
- Authority
- JP
- Japan
- Prior art keywords
- manhole cover
- main body
- corrosion
- resistant metal
- covered
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 229910001018 Cast iron Inorganic materials 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 239000003566 sealing material Substances 0.000 claims 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Description
第１図は本考案のマンホール蓋体の構成を模式
的に示す断面図である。 １…マンホール蓋体、２…マンホール蓋体本体
、３…裏面、４…嵌合部、５…周縁嵌合面、６…
耐蝕性金属溶射層、７…樹脂被覆層、８…マンホ
ール蓋体受枠、９…蓋体受部、１０…内周嵌合面
、１１…マンホール蓋体受枠本体、１２…内周面
。
的に示す断面図である。 １…マンホール蓋体、２…マンホール蓋体本体
、３…裏面、４…嵌合部、５…周縁嵌合面、６…
耐蝕性金属溶射層、７…樹脂被覆層、８…マンホ
ール蓋体受枠、９…蓋体受部、１０…内周嵌合面
、１１…マンホール蓋体受枠本体、１２…内周面
。
Claims (1)
- 鋳鉄製本体の少なくとも裏面および周縁嵌合面
が、樹脂系封孔材により封孔処理された耐蝕性金
属溶射層により覆われていることを特徴とするマ
ンホール蓋体。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3098288U JPH01137342U (ja) | 1988-03-10 | 1988-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3098288U JPH01137342U (ja) | 1988-03-10 | 1988-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01137342U true JPH01137342U (ja) | 1989-09-20 |
Family
ID=31256504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3098288U Pending JPH01137342U (ja) | 1988-03-10 | 1988-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01137342U (ja) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6141273A (ja) * | 1984-08-01 | 1986-02-27 | Matsushita Graphic Commun Syst Inc | 画像処理装置 |
| JPS6155865A (ja) * | 1984-08-28 | 1986-03-20 | Shin Kobe Electric Mach Co Ltd | 電池焼結基板用ニッケルスラリー |
-
1988
- 1988-03-10 JP JP3098288U patent/JPH01137342U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6141273A (ja) * | 1984-08-01 | 1986-02-27 | Matsushita Graphic Commun Syst Inc | 画像処理装置 |
| JPS6155865A (ja) * | 1984-08-28 | 1986-03-20 | Shin Kobe Electric Mach Co Ltd | 電池焼結基板用ニッケルスラリー |