JPS5910204Y2 - マンホ−ル用足掛け具 - Google Patents
マンホ−ル用足掛け具Info
- Publication number
- JPS5910204Y2 JPS5910204Y2 JP10055876U JP10055876U JPS5910204Y2 JP S5910204 Y2 JPS5910204 Y2 JP S5910204Y2 JP 10055876 U JP10055876 U JP 10055876U JP 10055876 U JP10055876 U JP 10055876U JP S5910204 Y2 JPS5910204 Y2 JP S5910204Y2
- Authority
- JP
- Japan
- Prior art keywords
- footrest
- manhole
- resin material
- cast iron
- ductile cast
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 claims description 5
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 4
- 238000009933 burial Methods 0.000 claims description 4
- 239000011162 core material Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 239000000805 composite resin Substances 0.000 claims description 2
- 241000270295 Serpentes Species 0.000 claims 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10055876U JPS5910204Y2 (ja) | 1976-07-28 | 1976-07-28 | マンホ−ル用足掛け具 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10055876U JPS5910204Y2 (ja) | 1976-07-28 | 1976-07-28 | マンホ−ル用足掛け具 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5318857U JPS5318857U (enExample) | 1978-02-17 |
| JPS5910204Y2 true JPS5910204Y2 (ja) | 1984-03-30 |
Family
ID=28710807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10055876U Expired JPS5910204Y2 (ja) | 1976-07-28 | 1976-07-28 | マンホ−ル用足掛け具 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5910204Y2 (enExample) |
-
1976
- 1976-07-28 JP JP10055876U patent/JPS5910204Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5318857U (enExample) | 1978-02-17 |
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