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Grazing unit with improved vibration sound attenuation characteristics, method of manufacturing such a glazing unit, and soundproofing method in a passenger compartment of a vehicle
Grazing unit with improved vibration sound attenuation characteristics, method of manufacturing such a glazing unit, and soundproofing method in a passenger compartment of a vehicle
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机译:具有改善的振动声衰减特性的抓草单元,制造这种玻璃的方法以及在车辆的乘客室中的隔音方法
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摘要
A glazing unit with improved vibro-acoustic damping properties, including at least one glass sheet and at least one vibro-acoustic damping strip fastened onto at least one of faces of the glass sheet and that includes at least one element made of damping material having a loss factor of at least 0.4 and a Young's modulus of less than 200 MPa at 20° C. for frequencies below 5000 Hz. The strip also includes at least one weighting element that has a linear mass of greater than 0.05 kg/m and is fastened onto the element made of damping material, the element made of damping material being inserted between the glass sheet and the weighting element, and no device other than the glazing unit being joined to the strip.
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