Damping foil consisting of several layers and a method for...

Details Damping foil consisting of several layers and a method for... Damping foil consisting of several layers and a method for...

2005-10-11

2005-10-11

San Martin, Edgardo (Department: 2837)

Acoustics

Sound-modifying means

Sound absorbing panels

C181S294000, C181S290000, C181S286000, C428S343000

Reexamination Certificate

active

06953105

ABSTRACT:
A multi-layer damping foil having a perforated lower layer facing towards a part to be damped, with properties which are suitable for adhering the damping foil onto the part. A non-perforated upper layer, facing away from the part, does not have adherence properties. Advantageously there may be provided between the upper and lower layers a thin film-like intermediate layer of non-woven fabric, kraft paper, or the like, which may have openings.

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International Preliminary Examination Report in PCT/EP01/00499 dated Apr. 25, 2002.

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