JPH0447544Y2 - - Google Patents
Info
- Publication number
- JPH0447544Y2 JPH0447544Y2 JP12845187U JP12845187U JPH0447544Y2 JP H0447544 Y2 JPH0447544 Y2 JP H0447544Y2 JP 12845187 U JP12845187 U JP 12845187U JP 12845187 U JP12845187 U JP 12845187U JP H0447544 Y2 JPH0447544 Y2 JP H0447544Y2
- Authority
- JP
- Japan
- Prior art keywords
- cross
- duct
- movable
- movable duct
- flat surface
- 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
- 238000009423 ventilation Methods 0.000 claims description 27
- 229920000742 Cotton Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Joints Allowing Movement (AREA)
- Duct Arrangements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12845187U JPH0447544Y2 (en]) | 1987-08-24 | 1987-08-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12845187U JPH0447544Y2 (en]) | 1987-08-24 | 1987-08-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6435348U JPS6435348U (en]) | 1989-03-03 |
| JPH0447544Y2 true JPH0447544Y2 (en]) | 1992-11-10 |
Family
ID=31381805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12845187U Expired JPH0447544Y2 (en]) | 1987-08-24 | 1987-08-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447544Y2 (en]) |
-
1987
- 1987-08-24 JP JP12845187U patent/JPH0447544Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6435348U (en]) | 1989-03-03 |
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