La invención se refiere a un panel de protección acústica (1) para revestir una pared de un vehículo automóvil, que comprende, en particular para formar un sistema masa-resorte: una capa inferior de resorte (2) a base de un material elásticamente compresible; una capa superior de masa (3) a base de copos de espuma elásticamente compresibles (4), estando dichos copos unidos entre sí por un adhesivo bicomponente a base de fibras (5) que comprende un núcleo (6), siendo dicho núcleo fusible a alta temperatura o infusible, y una funda (7) fusible a baja temperatura, estando dichos copos fusionados con dicha funda para formar una capa superior aglomerada (3). (Traducción automática con Google Translate, sin valor legal)
The invention relates to a sound protection panel for cladding a wall of an automotive vehicle, the panel includes a mass-spring system. The panel has a lower spring layer based on a resiliently compressible material, an upper mass layer based on resiliently compressible foam flakes, the flakes being bound together by a two-component fibre-based bonding agent comprising a core. The core is fusible at a high temperature or infusible, and a sheath fusible at a lower temperature, the flakes being fused with the sheath to form an upper agglomerated layer.
SOUND PROTECTION PANEL FOR CLADDING A WALL OF AN AUTOMOTIVE VEHICLE
2025-04-21
Patent
Electronic Resource
Spanish
IPC: | B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES , Index-Schema für besondere Gegenstände in Verbindung mit Unterklasse B29C / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / D04H Herstellen von flächigem Textilgut, z.B. aus Fasern oder fadenförmigem Material , MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B29K Index-Schema für Formmassen oder Materialien für Verstärkungen, Füllstoffe oder vorgeformte Teile, z.B. Einlagen in Verbindung mit den Unterklassen B29B, B29C oder B29D , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS / B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED , Vorbereiten oder Vorbehandeln der zu verformenden Masse |
Sound protection panel for cladding a wall of an automotive vehicle
European Patent Office | 2023
|SOUND PROTECTION PANEL FOR CLADDING A WALL OF AN AUTOMOTIVE VEHICLE
European Patent Office | 2020
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