JPS522501A - Construction of acoustic absorbing material - Google Patents
Construction of acoustic absorbing materialInfo
- Publication number
- JPS522501A JPS522501A JP50076999A JP7699975A JPS522501A JP S522501 A JPS522501 A JP S522501A JP 50076999 A JP50076999 A JP 50076999A JP 7699975 A JP7699975 A JP 7699975A JP S522501 A JPS522501 A JP S522501A
- Authority
- JP
- Japan
- Prior art keywords
- construction
- acoustic absorbing
- absorbing material
- acoustic
- bubbles
- 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.)
- Pending
Links
Abstract
PURPOSE: To provide means for intensifying acoustic absorbing effect in construction of the acoustic absorbing material by forming cavities on the surface of the acoustic resistant material containing bubbles in a state of uniform dispersion within its body, the cavities being sufficiently larger in volume than the bubbles.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50076999A JPS522501A (en) | 1975-06-24 | 1975-06-24 | Construction of acoustic absorbing material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50076999A JPS522501A (en) | 1975-06-24 | 1975-06-24 | Construction of acoustic absorbing material |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS522501A true JPS522501A (en) | 1977-01-10 |
Family
ID=13621463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50076999A Pending JPS522501A (en) | 1975-06-24 | 1975-06-24 | Construction of acoustic absorbing material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS522501A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004323002A (en) * | 2003-04-11 | 2004-11-18 | Nishikawa Rubber Co Ltd | Sound insulation sheet |
JP2005022477A (en) * | 2003-06-30 | 2005-01-27 | Nishikawa Rubber Co Ltd | Door structure for automobile |
-
1975
- 1975-06-24 JP JP50076999A patent/JPS522501A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004323002A (en) * | 2003-04-11 | 2004-11-18 | Nishikawa Rubber Co Ltd | Sound insulation sheet |
JP2005022477A (en) * | 2003-06-30 | 2005-01-27 | Nishikawa Rubber Co Ltd | Door structure for automobile |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5259086A (en) | Absorbing material | |
JPS51129967A (en) | Specific gravity separation of mixture | |
JPS522501A (en) | Construction of acoustic absorbing material | |
JPS5352622A (en) | Composition for preparation of bordeaux mixture | |
JPS5215335A (en) | Pressure roller fixing device | |
JPS51124752A (en) | A perpetual engine by buoyancy and gravity | |
JPS5213114A (en) | Board for partition plate in tank | |
JPS5216091A (en) | Stone cutting device | |
JPS5326312A (en) | Preparation of antiphlogistic substance | |
JPS5245144A (en) | Corrosion type tiolet trough | |
JPS53118120A (en) | Pressure plate of copiers | |
JPS52132805A (en) | Structural material for acoustic instrument | |
JPS543857A (en) | Flexible high-specific gravity sheet | |
JPS51130954A (en) | Manufacturing method for adiabatic materials | |
JPS5243258A (en) | Hopper with powder positive port | |
JPS5220533A (en) | Collision detection apparatus | |
JPS5266327A (en) | Key inputting unit | |
JPS5248775A (en) | Vibration attenuation material | |
JPS5217609A (en) | Motor | |
JPS53133853A (en) | Loading apparatus for long material | |
JPS5393782A (en) | Preheating method of sealing resin in resin sealing and device for the same | |
JPS5282894A (en) | Fire-resistant mixture | |
JPS51138586A (en) | Water absorbing gel particle and its production process | |
JPS5335832A (en) | Water-turbine casing | |
JPS5360487A (en) | Control rod |