JPS6222974Y2 - - Google Patents
Info
- Publication number
- JPS6222974Y2 JPS6222974Y2 JP7612179U JP7612179U JPS6222974Y2 JP S6222974 Y2 JPS6222974 Y2 JP S6222974Y2 JP 7612179 U JP7612179 U JP 7612179U JP 7612179 U JP7612179 U JP 7612179U JP S6222974 Y2 JPS6222974 Y2 JP S6222974Y2
- Authority
- JP
- Japan
- Prior art keywords
- hole
- case
- pressure
- pressure relief
- ventilation
- 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 15
- 238000009434 installation Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims description 2
- 239000000057 synthetic resin Substances 0.000 claims description 2
- 230000005494 condensation Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 238000012856 packing Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7612179U JPS6222974Y2 (mo) | 1979-06-05 | 1979-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7612179U JPS6222974Y2 (mo) | 1979-06-05 | 1979-06-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55175922U JPS55175922U (mo) | 1980-12-17 |
| JPS6222974Y2 true JPS6222974Y2 (mo) | 1987-06-11 |
Family
ID=29309630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7612179U Expired JPS6222974Y2 (mo) | 1979-06-05 | 1979-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6222974Y2 (mo) |
-
1979
- 1979-06-05 JP JP7612179U patent/JPS6222974Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55175922U (mo) | 1980-12-17 |
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