JPS627948Y2 - - Google Patents
Info
- Publication number
- JPS627948Y2 JPS627948Y2 JP9173781U JP9173781U JPS627948Y2 JP S627948 Y2 JPS627948 Y2 JP S627948Y2 JP 9173781 U JP9173781 U JP 9173781U JP 9173781 U JP9173781 U JP 9173781U JP S627948 Y2 JPS627948 Y2 JP S627948Y2
- Authority
- JP
- Japan
- Prior art keywords
- ventilation fan
- fan cover
- side wall
- top plate
- cover
- 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 33
- 230000001012 protector Effects 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000004033 plastic Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9173781U JPS627948Y2 (en]) | 1981-06-23 | 1981-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9173781U JPS627948Y2 (en]) | 1981-06-23 | 1981-06-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57203228U JPS57203228U (en]) | 1982-12-24 |
| JPS627948Y2 true JPS627948Y2 (en]) | 1987-02-24 |
Family
ID=29886818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9173781U Expired JPS627948Y2 (en]) | 1981-06-23 | 1981-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS627948Y2 (en]) |
-
1981
- 1981-06-23 JP JP9173781U patent/JPS627948Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57203228U (en]) | 1982-12-24 |
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