JPS6357582B2 - - Google Patents
Info
- Publication number
- JPS6357582B2 JPS6357582B2 JP1997980A JP1997980A JPS6357582B2 JP S6357582 B2 JPS6357582 B2 JP S6357582B2 JP 1997980 A JP1997980 A JP 1997980A JP 1997980 A JP1997980 A JP 1997980A JP S6357582 B2 JPS6357582 B2 JP S6357582B2
- Authority
- JP
- Japan
- Prior art keywords
- locking
- frame body
- inner frame
- piece
- floor
- 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
- 238000007689 inspection Methods 0.000 claims description 8
- 238000009432 framing Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 description 12
- 238000003780 insertion Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 5
- 238000009408 flooring Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Landscapes
- Floor Finish (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1997980A JPS56139352A (en) | 1980-02-20 | 1980-02-20 | Checking port for locked floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1997980A JPS56139352A (en) | 1980-02-20 | 1980-02-20 | Checking port for locked floor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56139352A JPS56139352A (en) | 1981-10-30 |
| JPS6357582B2 true JPS6357582B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-11-11 |
Family
ID=12014295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1997980A Granted JPS56139352A (en) | 1980-02-20 | 1980-02-20 | Checking port for locked floor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56139352A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60164541U (ja) * | 1984-04-12 | 1985-11-01 | 株式会社ナカ技術研究所 | ロツク装置付床点検口 |
| JPS61197162U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1985-05-29 | 1986-12-09 |
-
1980
- 1980-02-20 JP JP1997980A patent/JPS56139352A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56139352A (en) | 1981-10-30 |