JPH0338729Y2 - - Google Patents
Info
- Publication number
- JPH0338729Y2 JPH0338729Y2 JP9779787U JP9779787U JPH0338729Y2 JP H0338729 Y2 JPH0338729 Y2 JP H0338729Y2 JP 9779787 U JP9779787 U JP 9779787U JP 9779787 U JP9779787 U JP 9779787U JP H0338729 Y2 JPH0338729 Y2 JP H0338729Y2
- Authority
- JP
- Japan
- Prior art keywords
- optical tube
- duct
- ventilation duct
- optical
- tube
- 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
- 230000003287 optical effect Effects 0.000 description 65
- 238000009423 ventilation Methods 0.000 description 43
- 238000010276 construction Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 10
- 238000004378 air conditioning Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Duct Arrangements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9779787U JPH0338729Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-06-24 | 1987-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9779787U JPH0338729Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-06-24 | 1987-06-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS642307U JPS642307U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-01-09 |
| JPH0338729Y2 true JPH0338729Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-08-15 |
Family
ID=30965125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9779787U Expired JPH0338729Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-06-24 | 1987-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0338729Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000249392A (ja) * | 1999-03-02 | 2000-09-12 | Takenaka Komuten Co Ltd | 二重管式断熱ダクト |
| JP2002364911A (ja) * | 2001-06-08 | 2002-12-18 | Hitachi Plant Eng & Constr Co Ltd | 吊下機器の振れ止め方法および振れ止め具 |
| KR100628057B1 (ko) * | 2005-05-20 | 2006-09-27 | 엘지전자 주식회사 | 조명겸용 환기 덕트 |
-
1987
- 1987-06-24 JP JP9779787U patent/JPH0338729Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS642307U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-01-09 |