Noise attenuating trim part for a vehicle comprising a pile layer, a bonding mass layer and a backing layer whereby the bonding mass layer is bonded to the adjacent layers whereby the bonding mass layer is comprising at least thermoplastic elastomeric polyolefin based compound material (TPO) with a filler content of at least 55%, and wherebythe bonding mass layer has a density of between 1.4 and 1.75 kg/dm3, a viscosity of less than 50.000 mPa.s and a MFI above 250 and whereby the bonding mass layer is adjacent the pile layer and partly penetrated into the lower area of the pile thereby binding the fibers and/or filaments and/or the tufts within the pile.
NOISE ATTENUATING TRIM PART FOR A VEHICLE
08.12.2022
Patent
Elektronische Ressource
Englisch
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / D06N WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL , Wand-, Fußboden- oder ähnliche Belagstoffe, z.B. Linoleum, Wachstuch, Kunstleder, Dachpappe, bestehend aus einem mit einer Schicht aus makromolekularem Material überzogenen Fasergewebe |
Europäisches Patentamt | 2023
|Europäisches Patentamt | 2023
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