Sound absorber, especially for motor vehicles, and a method for producing a sound absorber
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 4, 2005
Grant Date -
Aug 28, 2003
app pub date -
Apr 10, 2001
filing date -
Apr 12, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sound absorber (A), especially for motor vehicles, comprising a layer (4) of absorption material, such as open-pored or optionally closed pored foamed material or a wood fiber composite, and a top layer (5) . The aim of the invention is to produce an absorber in such a way that said absorber is easy to produce and assemble and functions well. According to the invention, the top layer (5) for leading through a loom of cables (8) or the like is provided with a tubular recess (40) for leading through a loom of cables. Said recess (4) is provided with groove-like undercuts (42) on the outside.
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