TRIPLE LAYER AUTOMOTIVE LAMINATE WITH IMPROVED ACOUSTIC PERFORMANCE

As the use of laminated glass in vehicles has extended beyond just the windshield, the total glazed area and size of the glass parts has been increasing. It is also noted that the thickness of the glass decreasing with the introduction of new technologies such as chemical tempering being used as the...

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Bibliographische Detailangaben
Hauptverfasser: SARMIENTO SANTOS, Andres Fernando, VOELTZEL, Charles Stephen, MANNHEIM ASTETE, Mario Arturo, KOC LI, Alfredo Daniel
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:As the use of laminated glass in vehicles has extended beyond just the windshield, the total glazed area and size of the glass parts has been increasing. It is also noted that the thickness of the glass decreasing with the introduction of new technologies such as chemical tempering being used as the automotive OEMs strive to reduce weight to improve efficiency. Unfortunately, as the mass of the glazing decreases and the area increases, the sound dampening ability of the glazing decreases. The invention substantially improves acoustic performance by distributing the mass of the laminated glass across three equivalent layers rather than just two as in a conventional laminate. Selon l'invention, étant donné que l'utilisation de verre feuilleté au sein de véhicules s'étend au-delà du pare-brise, la surface vitrée totale et la taille des parties en verre ont augmentées. Selon l'invention, étant donné que l'utilisation de verre feuilleté au sein de véhicules s'étend au-delà du pare-brise, la surface vitrée totale et la taille des parties en verre ont augmentées. Malheureusement, lorsque la masse du vitrage diminue et que la surface augmente, la capacité d'insonorisation du vitrage diminue. L'invention améliore sensiblement les performances acoustiques en répartissant la masse du verre feuilleté sur trois couches équivalentes au lieu de seulement deux, comme pour un feuilleté classique.