FR2357504A2 - Procedes et materiaux pour l'amortissement de sons - Google Patents
Procedes et materiaux pour l'amortissement de sonsInfo
- Publication number
- FR2357504A2 FR2357504A2 FR7705619A FR7705619A FR2357504A2 FR 2357504 A2 FR2357504 A2 FR 2357504A2 FR 7705619 A FR7705619 A FR 7705619A FR 7705619 A FR7705619 A FR 7705619A FR 2357504 A2 FR2357504 A2 FR 2357504A2
- Authority
- FR
- France
- Prior art keywords
- pts
- bitumen
- engine compartment
- vehicle engine
- particulate filler
- 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.)
- Granted
Links
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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/11—Thermal or acoustic insulation
- F02B77/13—Acoustic insulation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Acoustics & Sound (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Multimedia (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
Matériau insonorisant destiné à être appliqué sur une surface sujette à des vibrations, soit directement, soit avec interposition d'au moins une couche d'un autre matériau. Ce matériau est constitué par une feuille autoporteuse d'une composition thermoplastique se composant de 100 parties en poids de bitume, de 45 a 150 parties en poids de brins de fibres d'amiante et de 110 à 350 parties en poids d'un matériau de remplissage d'un poids spécifique d'au moins 3. Application : insonorisation des moteurs de véhicules automobiles.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB766276A GB1558767A (en) | 1976-02-26 | 1976-02-26 | Nouse reducing materials |
GB2999576 | 1976-07-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2357504A2 true FR2357504A2 (fr) | 1978-02-03 |
FR2357504B2 FR2357504B2 (fr) | 1984-07-20 |
Family
ID=26241582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7705619A Granted FR2357504A2 (fr) | 1976-02-26 | 1977-02-25 | Procedes et materiaux pour l'amortissement de sons |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU2260477A (fr) |
ES (1) | ES456292A2 (fr) |
FR (1) | FR2357504A2 (fr) |
IT (1) | IT1115758B (fr) |
LU (1) | LU76839A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2456854A1 (fr) * | 1979-05-18 | 1980-12-12 | Nissan Motor | Organe, tel qu'un couvercle de moteur, proche du moteur d'une automobile, et procede de fabrication |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR834985A (fr) * | 1937-05-14 | 1938-12-08 | J W Mortell Company | Perfectionnements aux compositions pour amortir les sons |
GB1045472A (en) * | 1963-03-29 | 1966-10-12 | Ruberoid Co Ltd | Bituminous sheet |
DE2000434A1 (de) * | 1969-01-08 | 1970-12-10 | Grace W R & Co | Schalldaemmendes Material |
FR2166715A5 (fr) * | 1972-01-05 | 1973-08-17 | Berliet Automobiles |
-
1977
- 1977-02-23 AU AU22604/77A patent/AU2260477A/en not_active Expired
- 1977-02-23 IT IT4818377A patent/IT1115758B/it active
- 1977-02-24 LU LU76839A patent/LU76839A1/xx unknown
- 1977-02-25 ES ES456292A patent/ES456292A2/es not_active Expired
- 1977-02-25 FR FR7705619A patent/FR2357504A2/fr active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR834985A (fr) * | 1937-05-14 | 1938-12-08 | J W Mortell Company | Perfectionnements aux compositions pour amortir les sons |
GB1045472A (en) * | 1963-03-29 | 1966-10-12 | Ruberoid Co Ltd | Bituminous sheet |
DE2000434A1 (de) * | 1969-01-08 | 1970-12-10 | Grace W R & Co | Schalldaemmendes Material |
FR2166715A5 (fr) * | 1972-01-05 | 1973-08-17 | Berliet Automobiles |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2456854A1 (fr) * | 1979-05-18 | 1980-12-12 | Nissan Motor | Organe, tel qu'un couvercle de moteur, proche du moteur d'une automobile, et procede de fabrication |
US4498433A (en) * | 1979-05-18 | 1985-02-12 | Nissan Motor Company, Limited | Member such as an engine cover adjacent to an automotive engine |
Also Published As
Publication number | Publication date |
---|---|
AU2260477A (en) | 1978-08-31 |
IT1115758B (it) | 1986-02-03 |
LU76839A1 (fr) | 1977-07-11 |
FR2357504B2 (fr) | 1984-07-20 |
ES456292A2 (es) | 1978-03-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5286929A (en) | Sound absorbing materials | |
US6204209B1 (en) | Acoustical composite headliner | |
US5493081A (en) | Panel that absorbs acoustic energy at low, medium and high frequencies, particularly at frequencies ranging from 400 Hz to 5,000 Hz | |
US2802764A (en) | Acoustical material | |
US2428591A (en) | Insulating fabric | |
CA1096776A (fr) | Panneau acoustique fibreux a densite multiple, et methode de fabrication | |
JPS623438B2 (fr) | ||
BRPI0612326A2 (pt) | material não tecido, painel do material não tecido, construção isolante térmica, laminado atenuador de som, painel do laminado atenuador, pacote para um objeto, processo para a produção de um material não tecido, processo para prover atenuação de som ou isolamento térmico, artigo isolante térmico moldado, artigo isolante de veìculo, artigo isolante atenuador de som, artigo moldado, estrutura não tecida, processo para a produção de uma estrutura não tecida, e veìculo motorizado | |
US2001916A (en) | Sound absorbing material | |
JPH08152890A (ja) | 低周波数用吸音材 | |
RU2018130667A (ru) | Высококачественный термоотверждаемый войлок для поглощения шума | |
US4619344A (en) | Composite sound and heat insulating board | |
US2779429A (en) | Sound absorbing structure | |
NL8602132A (nl) | Zelfdragend sandwichachtig geluiddempingselement. | |
FR2357504A2 (fr) | Procedes et materiaux pour l'amortissement de sons | |
ES2068875T3 (es) | Revestimiento insonorizante para el compartimento del motor de vehiculos automoviles, asi como procedimiento para su fabricacion. | |
GB1394997A (en) | Bituminous sheeting | |
JPH09258740A (ja) | エンジンカバー用吸音材 | |
JPH11245320A (ja) | 吸音材、吸音材の成形方法、および遮蔽カバー | |
US1952766A (en) | Sound absorbing material and method of making the same | |
KR880011392A (ko) | 공기 침투성 시이트 구조물 및 그 제조방법 | |
JPH0913260A (ja) | 防音材 | |
JPS6177544A (ja) | 自動車用防音材 | |
WO2001057301A1 (fr) | Materiau fibreux a effet acoustique | |
JPS55104528A (en) | Noise absorbing structure for atuomobile engine |