Multilagsprodukt, dets anvendelse til fremstilling af lette, lydisolerende, selvbærende artikler og artikler opnået med multilagsprodukt

The present invention relates to a multilayer product which comprises a first element consisting of a layer of spongy, semi-rigid polymer (A), impregnated on one or both sides with polyurethane resin (B), inserted between two layers of glass fibre and/or natural fibre (C), coupled in continuous with...

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Bibliographische Detailangaben
Hauptverfasser:	D'AMBROSIO, PATRIZIO, DI SANTE, GUERINO, DI DOMENICO, CESARE, BIGGIO, MARIO, SFREDDA, CLAUDIO, GIOVANNELLI, GABRIELLA, DI SANTE, GIUSEPPE
Format:	Patent
Sprache:	dan
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES SOUND-PRODUCING DEVICES TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES
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Beschreibung
Zusammenfassung:	The present invention relates to a multilayer product which comprises a first element consisting of a layer of spongy, semi-rigid polymer (A), impregnated on one or both sides with polyurethane resin (B), inserted between two layers of glass fibre and/or natural fibre (C), coupled in continuous with the central layer (B) (A) (B), said first element being coupled with at least a second element comprising a layer of spongy, semi-rigid polymer (A), impregnated on one or both sides with polyurethane resin (B), said second element being in turn coupled with a further layer of glass fibre and/or natural fibre (C).