FR2640068B1 - Procede de fabrication de structures composites pour l'absorption du bruit et structures composites obtenues par ledit procede - Google Patents
Procede de fabrication de structures composites pour l'absorption du bruit et structures composites obtenues par ledit procedeInfo
- Publication number
- FR2640068B1 FR2640068B1 FR8816698A FR8816698A FR2640068B1 FR 2640068 B1 FR2640068 B1 FR 2640068B1 FR 8816698 A FR8816698 A FR 8816698A FR 8816698 A FR8816698 A FR 8816698A FR 2640068 B1 FR2640068 B1 FR 2640068B1
- Authority
- FR
- France
- Prior art keywords
- composite structures
- absorption
- noise
- noise absorption
- volumes
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 4
- 238000010521 absorption reaction Methods 0.000 title abstract 3
- 239000002131 composite material Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000000377 silicon dioxide Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
- G10K11/165—Particles in a matrix
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8816698A FR2640068B1 (fr) | 1988-12-07 | 1988-12-07 | Procede de fabrication de structures composites pour l'absorption du bruit et structures composites obtenues par ledit procede |
AT89403388T ATE90804T1 (de) | 1988-12-07 | 1989-12-06 | Herstellungsverfahren von kompositstrukturen zum absorbieren von laerm und mit diesem verfahren hergestellte kompositstrukturen. |
EP89403388A EP0374013B1 (fr) | 1988-12-07 | 1989-12-06 | Procédé de fabrication de structures composites pour l'absorption du bruit et structures composites obtenues par ledit procédé |
DE8989403388T DE68907187D1 (de) | 1988-12-07 | 1989-12-06 | Herstellungsverfahren von kompositstrukturen zum absorbieren von laerm und mit diesem verfahren hergestellte kompositstrukturen. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8816698A FR2640068B1 (fr) | 1988-12-07 | 1988-12-07 | Procede de fabrication de structures composites pour l'absorption du bruit et structures composites obtenues par ledit procede |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2640068A1 FR2640068A1 (fr) | 1990-06-08 |
FR2640068B1 true FR2640068B1 (fr) | 1991-01-25 |
Family
ID=9373072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8816698A Expired - Lifetime FR2640068B1 (fr) | 1988-12-07 | 1988-12-07 | Procede de fabrication de structures composites pour l'absorption du bruit et structures composites obtenues par ledit procede |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0374013B1 (fr) |
AT (1) | ATE90804T1 (fr) |
DE (1) | DE68907187D1 (fr) |
FR (1) | FR2640068B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4408782A1 (de) * | 1994-03-15 | 1995-09-21 | Fraunhofer Ges Forschung | Folien-Schallabsorber |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3515910A (en) * | 1968-11-12 | 1970-06-02 | Us Navy | Acoustic absorbing material |
US3923118A (en) * | 1972-06-19 | 1975-12-02 | Us Navy | Acoustic baffle for deep submergence |
FR2501749A1 (fr) * | 1981-03-13 | 1982-09-17 | Gadde V | Voile ou mat d'insonorisation |
GB8702127D0 (en) * | 1987-01-30 | 1987-03-04 | Salex Acoustic Materials Ltd | Acoustic attenuating material |
-
1988
- 1988-12-07 FR FR8816698A patent/FR2640068B1/fr not_active Expired - Lifetime
-
1989
- 1989-12-06 EP EP89403388A patent/EP0374013B1/fr not_active Expired - Lifetime
- 1989-12-06 AT AT89403388T patent/ATE90804T1/de not_active IP Right Cessation
- 1989-12-06 DE DE8989403388T patent/DE68907187D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE68907187D1 (de) | 1993-07-22 |
ATE90804T1 (de) | 1993-07-15 |
EP0374013B1 (fr) | 1993-06-16 |
FR2640068A1 (fr) | 1990-06-08 |
EP0374013A1 (fr) | 1990-06-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |