JP2560609Y2 - 矩形組立人孔 - Google Patents
矩形組立人孔Info
- Publication number
- JP2560609Y2 JP2560609Y2 JP1990402522U JP40252290U JP2560609Y2 JP 2560609 Y2 JP2560609 Y2 JP 2560609Y2 JP 1990402522 U JP1990402522 U JP 1990402522U JP 40252290 U JP40252290 U JP 40252290U JP 2560609 Y2 JP2560609 Y2 JP 2560609Y2
- Authority
- JP
- Japan
- Prior art keywords
- rectangular
- lump
- rectangular assembly
- human hole
- hole
- 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 - Lifetime
Links
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 6
- 239000003566 sealing material Substances 0.000 description 6
- 239000004570 mortar (masonry) Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990402522U JP2560609Y2 (ja) | 1990-12-28 | 1990-12-28 | 矩形組立人孔 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990402522U JP2560609Y2 (ja) | 1990-12-28 | 1990-12-28 | 矩形組立人孔 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0492054U JPH0492054U (enExample) | 1992-08-11 |
| JP2560609Y2 true JP2560609Y2 (ja) | 1998-01-26 |
Family
ID=31880424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990402522U Expired - Lifetime JP2560609Y2 (ja) | 1990-12-28 | 1990-12-28 | 矩形組立人孔 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2560609Y2 (enExample) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583885U (ja) * | 1981-06-30 | 1983-01-11 | 松下電工株式会社 | 開口部の遮音構造 |
| JPS6299518A (ja) * | 1985-10-25 | 1987-05-09 | Asahi Concrete Kogyo Kk | マンホ−ル用受枠の取付構造 |
| JPH072699Y2 (ja) * | 1986-02-21 | 1995-01-25 | 興建産業株式会社 | 矩形組立人孔 |
-
1990
- 1990-12-28 JP JP1990402522U patent/JP2560609Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0492054U (enExample) | 1992-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 19961210 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19970819 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |