JPS6215713Y2 - - Google Patents
Info
- Publication number
- JPS6215713Y2 JPS6215713Y2 JP1979139361U JP13936179U JPS6215713Y2 JP S6215713 Y2 JPS6215713 Y2 JP S6215713Y2 JP 1979139361 U JP1979139361 U JP 1979139361U JP 13936179 U JP13936179 U JP 13936179U JP S6215713 Y2 JPS6215713 Y2 JP S6215713Y2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- closing
- exhaust hole
- plates
- exhaust
- 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 10
- 230000007246 mechanism Effects 0.000 claims description 8
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 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
- 230000000694 effects Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Ventilation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979139361U JPS6215713Y2 (ar) | 1979-10-08 | 1979-10-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979139361U JPS6215713Y2 (ar) | 1979-10-08 | 1979-10-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5656528U JPS5656528U (ar) | 1981-05-16 |
| JPS6215713Y2 true JPS6215713Y2 (ar) | 1987-04-21 |
Family
ID=29370702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979139361U Expired JPS6215713Y2 (ar) | 1979-10-08 | 1979-10-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6215713Y2 (ar) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5736982Y2 (ar) * | 1974-12-16 | 1982-08-16 |
-
1979
- 1979-10-08 JP JP1979139361U patent/JPS6215713Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5656528U (ar) | 1981-05-16 |
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