Apparatus and methods of forming sound attenuating laminates...

Details Apparatus and methods of forming sound attenuating laminates... Apparatus and methods of forming sound attenuating laminates...

2006-06-20

2006-06-20

San Martin, Edgardo (Department: 2837)

Acoustics

Sound-modifying means

Sound absorbing panels

C181S296000, C156S304600, C156S309900, C264S492000

Reexamination Certificate

active

07063183

ABSTRACT:
Apparatus and methods are provided forming a sound attenuating laminate that has a decoupler fiber layer and a mass layer in opposing relationship with each other. The decoupler fiber layer and mass layer of the laminate are heated to the selected temperature in substantially the same amount of time via a hot air source and a heated platen, respectively. The heated laminate is conveyed to a mold and formed into a predetermined three-dimensional configuration via the mold.

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Copy of International Search Report for PCT/US03/19214.

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