Acoustics – Sound-modifying means – Housing or enclosure
Reexamination Certificate
2005-12-06
2005-12-06
Joyce, Harold (Department: 3749)
Acoustics
Sound-modifying means
Housing or enclosure
C181S224000, C454S906000
Reexamination Certificate
active
06971474
ABSTRACT:
An air conduction element (1), particularly an air conduction channel for a motor vehicle, having a reverberant channel body (2) manufactured from plastic, which has at least one wall region replaced by a sound-absorbing component (10, 11), the sound-absorbing component having an at least partially exposed outer side. An edge region of the sound-absorbing component (10, 11) be extrusion-coated with the plastic of the channel body (2) in such a way that the sound-absorbing component (10, 11) is connected in a form-fitting way to the channel body (2) along at least a section of its circumference.
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Lederer Horst
Prosser Werner
Carcoustics Tech Center GmbH
Collard & Roe P.C.
Joyce Harold
LandOfFree
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