JPH0419385Y2 - - Google Patents
Info
- Publication number
- JPH0419385Y2 JPH0419385Y2 JP1984116730U JP11673084U JPH0419385Y2 JP H0419385 Y2 JPH0419385 Y2 JP H0419385Y2 JP 1984116730 U JP1984116730 U JP 1984116730U JP 11673084 U JP11673084 U JP 11673084U JP H0419385 Y2 JPH0419385 Y2 JP H0419385Y2
- Authority
- JP
- Japan
- Prior art keywords
- ventilation
- passage
- noise
- sound
- pair
- 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 70
- 238000005192 partition Methods 0.000 claims description 19
- 210000002105 tongue Anatomy 0.000 claims description 15
- 230000030279 gene silencing Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 11
- 239000011358 absorbing material Substances 0.000 description 4
- 230000001743 silencing effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001595 contractor effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Landscapes
- Building Environments (AREA)
- Ventilation (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11673084U JPS6134031U (ja) | 1984-07-30 | 1984-07-30 | 消音換気装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11673084U JPS6134031U (ja) | 1984-07-30 | 1984-07-30 | 消音換気装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6134031U JPS6134031U (ja) | 1986-03-01 |
| JPH0419385Y2 true JPH0419385Y2 (fr) | 1992-05-01 |
Family
ID=30675666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11673084U Granted JPS6134031U (ja) | 1984-07-30 | 1984-07-30 | 消音換気装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6134031U (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007169959A (ja) * | 2005-12-20 | 2007-07-05 | Takenaka Komuten Co Ltd | 通気孔構造 |
| JP6491788B1 (ja) * | 2017-12-06 | 2019-03-27 | 富士フイルム株式会社 | 防音システム |
| JP6491787B1 (ja) * | 2017-12-06 | 2019-03-27 | 富士フイルム株式会社 | 防音システム |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5642814A (en) * | 1979-09-14 | 1981-04-21 | Toshiba Corp | Electric power supply unit |
| JPS575475U (fr) * | 1980-06-05 | 1982-01-12 | ||
| JPS5812239U (ja) * | 1981-07-13 | 1983-01-26 | 森田 弘重 | 衝撃防止の帽子 |
-
1984
- 1984-07-30 JP JP11673084U patent/JPS6134031U/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5642814A (en) * | 1979-09-14 | 1981-04-21 | Toshiba Corp | Electric power supply unit |
| JPS575475U (fr) * | 1980-06-05 | 1982-01-12 | ||
| JPS5812239U (ja) * | 1981-07-13 | 1983-01-26 | 森田 弘重 | 衝撃防止の帽子 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007169959A (ja) * | 2005-12-20 | 2007-07-05 | Takenaka Komuten Co Ltd | 通気孔構造 |
| JP6491788B1 (ja) * | 2017-12-06 | 2019-03-27 | 富士フイルム株式会社 | 防音システム |
| JP6491787B1 (ja) * | 2017-12-06 | 2019-03-27 | 富士フイルム株式会社 | 防音システム |
| JP2020024354A (ja) * | 2017-12-06 | 2020-02-13 | 富士フイルム株式会社 | 防音システム |
| JP2020024353A (ja) * | 2017-12-06 | 2020-02-13 | 富士フイルム株式会社 | 防音システム |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6134031U (ja) | 1986-03-01 |
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