Carpet for vehicles and method for manufacturing the same
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United States of America Patent
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Issued Date -
Aug 14, 2003
app pub date -
Dec 19, 2002
filing date -
Dec 27, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An upper surface layer 2 and a nonwoven fabric sound absorption layer 3 are integrally secured via an air permeable adhesive resin layer 4 formed by melting thermoplastic resin powder, and the air permeability of the thickness direction of the entire carpet 1 falls within the range of 1 to 50 cm.sup.3/cm.sup.2.multidot.second. This effectively absorbs noise from the upper side entering via a roof, doors and windows as well as noise from the lower side. The carpet can be manufactured by scattering thermoplastic resin powder on an upper surface member, heating the thermoplastic resin powder into melted thermoplastic resin, placing a nonwoven fabric on the upper surface member via the melted thermoplastic resin, and pressing the nonwoven fabric and the upper surface member in a laminated state. It is preferable that powder of particle size of 90 to 10,000 .mu.m is scattered in the amount of 5 to 500 g/m.sup.2.
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