JPH0376048U - - Google Patents
Info
- Publication number
- JPH0376048U JPH0376048U JP13836289U JP13836289U JPH0376048U JP H0376048 U JPH0376048 U JP H0376048U JP 13836289 U JP13836289 U JP 13836289U JP 13836289 U JP13836289 U JP 13836289U JP H0376048 U JPH0376048 U JP H0376048U
- Authority
- JP
- Japan
- Prior art keywords
- zinc
- iron cover
- iron
- corrosion
- electrical connection
- 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 16
- 229910052742 iron Inorganic materials 0.000 claims description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 230000035515 penetration Effects 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims 2
- 229910045601 alloy Inorganic materials 0.000 claims 2
Description
第１図はこの考案の第１実施例の縦断側面図、
第２図は同実施例の鉄蓋の概略平面図、第３図は
第１図の部分拡大図、第４図はこの考案の第２実
施例の縦断側面図、第５図はこの考案の第３実施
例の縦断側面図である。
１，２１，２１ａ……鉄蓋、２，２２，３８…
…亜鉛製部材、１０，３０……路面、１２……貫
通部（ねじ孔）、１３，３２ａ……リブ、１５…
…ナツト、３５……止めねじ、３６……あり部、
３７……あり溝部。
FIG. 1 is a longitudinal sectional side view of the first embodiment of this invention;
Figure 2 is a schematic plan view of the iron lid of the same embodiment, Figure 3 is a partially enlarged view of Figure 1, Figure 4 is a longitudinal cross-sectional side view of the second embodiment of this invention, and Figure 5 is FIG. 7 is a longitudinal cross-sectional side view of the third embodiment. 1, 21, 21a... Iron lid, 2, 22, 38...
... Zinc member, 10, 30 ... Road surface, 12 ... Penetration part (screw hole), 13, 32a ... Rib, 15 ...
... Nut, 35 ... Set screw, 36 ... Dovetail,
37...Dovetail groove.
Claims (1)
る貫通部を設け、その貫通部に亜鉛又は亜鉛基合
金製の部材を鉄蓋上面に露出するようにかつ電気
的に接続するように直接接触させて取付けてなる
防食鉄蓋。 (2) 地表開口用鉄蓋の裏面のリブに亜鉛又は亜
鉛基合金製の部材を電気的に接続するように直接
接触させて取付けてなる防食鉄蓋。[Scope of Claim for Utility Model Registration] (1) An iron cover for underground openings is provided with a penetration part that passes through the iron cover vertically, and a member made of zinc or a zinc-based alloy is exposed on the upper surface of the iron cover at the penetration part. Corrosion-proof iron lid that is installed in direct contact for electrical connection. (2) Corrosion-proof iron cover for underground openings, which is made by attaching a member made of zinc or zinc-based alloy to the ribs on the back side of the iron cover for electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13836289U JPH0376048U (en) | 1989-11-28 | 1989-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13836289U JPH0376048U (en) | 1989-11-28 | 1989-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0376048U true JPH0376048U (en) | 1991-07-30 |
Family
ID=31685466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13836289U Pending JPH0376048U (en) | 1989-11-28 | 1989-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0376048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017036475A (en) * | 2015-08-10 | 2017-02-16 | 富士通株式会社 | Manhole cover anticorrosion system |
-
1989
- 1989-11-28 JP JP13836289U patent/JPH0376048U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017036475A (en) * | 2015-08-10 | 2017-02-16 | 富士通株式会社 | Manhole cover anticorrosion system |