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Panel that absorbs acoustic energy at low, medium and high frequencies, particularly at frequencies ranging from 400 Hz 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • E04B-001/82
출원번호 US-0282460 (1994-07-29)
우선권정보 FR-0009846 (1993-08-06)
발명자 / 주소
  • Manigold Alain (Romanswiller FRX)
출원인 / 주소
  • Roth Freres, S.A. (Strasbourg FRX 03)
인용정보 피인용 횟수 : 41  인용 특허 : 0

초록

A panel absorbing acoustical energy at low, medium and high frequencies, particularly at frequencies ranging from 400 Hz to 5,000 Hz, is essentially constituted by a plate (1) of semi-rigid foam with open communicating cells and by a layer (2) of bonded fibers or by a flexible cellular material. The

대표청구항

A panel absorbing acoustical energy at low, medium and high frequencies ranging from 400 Hz to 5,000 Hz, which comprises a plate (1) of semi-rigid foam with open communicating cells and a layer (2) of bonded fibers or a flexible cellular material superposed on and secured to said plate (1) to form a

이 특허를 인용한 특허 (41)

  1. Blanchard, Benjamin; Nikaj, Erisela; Chuda, Katarzyna; Berger, Sylvain, Acoustic absorbent wall coating.
  2. Wilson, Willsingh, Acoustic absorber, acoustic transducer, and method for producing an acoustic absorber or an acoustic transducer.
  3. Vaughn, Jr., William H., Acoustic wheel well liner.
  4. Vaughn, Jr., William H., Acoustic wheel well liner.
  5. Czerny,Hans Rudolf; Gn��dig,Christian; Vollmert,Herbert; Kallenberg,Albert, Acoustically effective wheel house covering for vehicles.
  6. Baudry, Fabien; Krause, Wenzel; Marotta, Luca; Noakes, Christopher, Alternative exterior trim part.
  7. Wheeler, Maurice E.; McDonel, Bradley D., Body panel having improved stiffness and method of making.
  8. Baudry, Fabien; Krause, Wenzel; Marotta, Luca, Exterior trim part.
  9. Hopkins, Lawrence G., Fan array fan section in air-handling systems.
  10. Hopkins, Lawrence G., Fan array fan section in air-handling systems.
  11. Hopkins, Lawrence G., Fan array fan section in air-handling systems.
  12. Hopkins, Lawrence G., Fan array fan section in air-handling systems.
  13. Hopkins, Lawrence G., Fan array fan section in air-handling systems.
  14. Hopkins, Lawrence G., Fan array fan section in air-handling systems.
  15. Hopkins, Lawrence G., Fan array fan section in air-handling systems.
  16. Jacobsen,William W., Five-layer sound absorbing pad: improved acoustical absorber.
  17. Schroeder, Jeffrey J.; McDonel, Bradley D.; Churby, Scott A., Foam barrier heat shield.
  18. Bopp,Michael, Method for producing composite elements and composite element.
  19. Hopkins, Lawrence G, Modular fan housing with multiple modular units having sound attenuation for a fan array for an air-handling system.
  20. Hopkins, Lawrence G., Modular fan housing with multiple modular units having sound attenuation for a fan array for an air-handling system.
  21. Hopkins, Lawrence G., Modular fan housing with multiple modular units having sound attenuation for a fan array for an air-handling system.
  22. Hopkins, Lawrence G., Modular fan units with sound attenuation layers for an air handling system.
  23. Hermanson Lars S.,CAX ITX L3R 4J6, Self-supporting interior surface panel.
  24. Thompson, Jr., Delton R.; Liu, Xiaohe, Sound absorptive multilayer composite.
  25. Thompson, Jr.,Delton R.; Liu,Xiaohe, Sound absorptive multilayer composite.
  26. O'Regan,Desmond; Fisher,James H.; Khan,Hameed S.; Price,Burton J., Sound absorptive protective mat.
  27. Khambete, Surendra; Skidmore, Fred; Care, Melvyn J.; Griffen, Chris, Sound attenuating composite articles incorporating scrim material and methods of making same.
  28. Albin, Jr.,Donald C., Sound insulation system.
  29. Albin, Jr.,Donald C., Sound insulation system.
  30. Deblander, Jean-Phillippe, Sound-insulating sandwich element.
  31. Mori, Masahiko; Tanaka, Akimasa, Soundproof material.
  32. Duval,Arnaud; Deshayes,Guillaume, Soundproofing assembly and a part comprising a wall which if covered with said assembly.
  33. Duval, Arnaud; Bischoff, Lars; Rondeau, Jean-Francois, Soundproofing assembly for an automobile, and associated wall element.
  34. Udo Thorn DE; Gholam Reza Sinambari DE; Wolfgang Riediger DE; Georg Jochim DE, Soundproofing material and the use thereof.
  35. Fusiki,Sinobu; Mizata,Syuiti, Soundproofing material for vehicle.
  36. Coates, Michael William; Kierzkowski, Marek, Thermoformable acoustic sheet.
  37. Coates,Michael William; Kierzkowski,Marek, Thermoformable acoustic sheet.
  38. Alts Thorsten,DEX, Ultra-light, multifunctional sound-insulating kit.
  39. Khan,Hameed S.; Fisher,James H.; Tessendorf,Steven D.; Ehrler,Peter, Ultralight trim composite.
  40. Shugg, Colin; Simmons, John; Perkins, Brian; Perkins, Tim, Vertically lapped fibrous flooring.
  41. Blanchard, Benjamin; Chuda, Katarzyna, Wall covering for thermal and acoustic comfort.
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