Textile floor coverings in motor vehicles
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United States of America Patent
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Aug 10, 1999
Issued Date -
N/A
app pub date -
Sep 29, 1997
filing date -
Jul 4, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for the preparation of a textile floor covering for a motor vehicle includes the steps of wiper blade coating a mixture (2) of foam off-cuts and a self-curing binder in a matrix form (1) of a floor panel of a motor vehicle in a desired layer thickness profile; pressing onto the mixture a textile carpet (4) provided with a heavy layer (3) thereby adjusting the desired density of the foam off-cuts; and curing the binder during the pressing to form an absorption foam backing layer and to bond the backing layer to the heavy layer. In an alternative embodiment, the absorption foam backing layer is first formed and then adhesively bonded to the heavy layer. By means of the invention a strong bond between the backing layer and heavy layer, and a uniform density and distribution of the foam off-cuts is obtainable, whereby a high degree of acoustic dampening efficiency is achieved.
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