JPH0316906Y2 - - Google Patents
Info
- Publication number
- JPH0316906Y2 JPH0316906Y2 JP12915585U JP12915585U JPH0316906Y2 JP H0316906 Y2 JPH0316906 Y2 JP H0316906Y2 JP 12915585 U JP12915585 U JP 12915585U JP 12915585 U JP12915585 U JP 12915585U JP H0316906 Y2 JPH0316906 Y2 JP H0316906Y2
- Authority
- JP
- Japan
- Prior art keywords
- receiving
- receiving frame
- frame
- manhole cover
- fitting groove
- 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
- 229920001187 thermosetting polymer Polymers 0.000 claims description 6
- 239000011342 resin composition Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 description 1
- 229910000020 calcium bicarbonate Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- -1 etc. Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12915585U JPH0316906Y2 (en]) | 1985-08-23 | 1985-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12915585U JPH0316906Y2 (en]) | 1985-08-23 | 1985-08-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6238960U JPS6238960U (en]) | 1987-03-07 |
| JPH0316906Y2 true JPH0316906Y2 (en]) | 1991-04-10 |
Family
ID=31025476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12915585U Expired JPH0316906Y2 (en]) | 1985-08-23 | 1985-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0316906Y2 (en]) |
-
1985
- 1985-08-23 JP JP12915585U patent/JPH0316906Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6238960U (en]) | 1987-03-07 |
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