JPS6137530B2 - - Google Patents
Info
- Publication number
- JPS6137530B2 JPS6137530B2 JP56124040A JP12404081A JPS6137530B2 JP S6137530 B2 JPS6137530 B2 JP S6137530B2 JP 56124040 A JP56124040 A JP 56124040A JP 12404081 A JP12404081 A JP 12404081A JP S6137530 B2 JPS6137530 B2 JP S6137530B2
- Authority
- JP
- Japan
- Prior art keywords
- ventilation hole
- cylindrical body
- fitted
- side plates
- absorbing material
- 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 26
- 239000011358 absorbing material Substances 0.000 claims description 13
- 238000005192 partition Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Ventilation (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56124040A JPS57122234A (en) | 1981-08-10 | 1981-08-10 | Sound-proof cylinder for vent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56124040A JPS57122234A (en) | 1981-08-10 | 1981-08-10 | Sound-proof cylinder for vent |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11728976A Division JPS5343939A (en) | 1976-10-01 | 1976-10-01 | Muffling cylinder for ventilating hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57122234A JPS57122234A (en) | 1982-07-30 |
| JPS6137530B2 true JPS6137530B2 (enrdf_load_stackoverflow) | 1986-08-25 |
Family
ID=14875523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56124040A Granted JPS57122234A (en) | 1981-08-10 | 1981-08-10 | Sound-proof cylinder for vent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57122234A (enrdf_load_stackoverflow) |
-
1981
- 1981-08-10 JP JP56124040A patent/JPS57122234A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57122234A (en) | 1982-07-30 |