JPH0447883Y2 - - Google Patents
Info
- Publication number
- JPH0447883Y2 JPH0447883Y2 JP17548187U JP17548187U JPH0447883Y2 JP H0447883 Y2 JPH0447883 Y2 JP H0447883Y2 JP 17548187 U JP17548187 U JP 17548187U JP 17548187 U JP17548187 U JP 17548187U JP H0447883 Y2 JPH0447883 Y2 JP H0447883Y2
- Authority
- JP
- Japan
- Prior art keywords
- switch
- chamber
- ventilation hole
- pressure
- filter
- 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 32
- 239000003566 sealing material Substances 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- -1 dirt Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 235000015067 sauces Nutrition 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17548187U JPH0447883Y2 (en]) | 1987-11-17 | 1987-11-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17548187U JPH0447883Y2 (en]) | 1987-11-17 | 1987-11-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0179238U JPH0179238U (en]) | 1989-05-29 |
| JPH0447883Y2 true JPH0447883Y2 (en]) | 1992-11-11 |
Family
ID=31467272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17548187U Expired JPH0447883Y2 (en]) | 1987-11-17 | 1987-11-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447883Y2 (en]) |
-
1987
- 1987-11-17 JP JP17548187U patent/JPH0447883Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0179238U (en]) | 1989-05-29 |
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