Title:
ACOUSTICALLY INSULATING GLAZING ASSEMBLY COMPRISING A VIBRO-ACOUSTIC DAMPING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/031433
Kind Code:
A1
Abstract:
The present invention relates to a glazing assembly (1) for a vehicle, comprising a glazing (2) and a vibro-acoustic damping device (5), the glazing (2) comprising at least one glass sheet (3), the glazing (2) having an outer surface (4) formed of the glass sheet (3), and the vibro-acoustic damping device (5) comprising a first viscoelastic damping layer (6) and a first constraining layer (7), the invention being characterized in that the first damping layer (6) covers only a portion of the outer surface (4), and the first constraining layer (7) covers at least a portion of the first damping layer (6), the first damping layer (6) being arranged between the portion of the outer surface (4) and the first constraining layer (7), the first damping layer (6) being made of a first material, and said first material comprising an acrylic polymer, a tackifying agent, and a plasticizer.
Inventors:
MERCIER GÉRALD (FR)
BOURE JEAN-PHILIPPE (FR)
LAI CHOUNG-HOUNG (US)
CHAN NICKY (US)
CEDANO SERRANO FRANCISCO JAVIER (FR)
BOURE JEAN-PHILIPPE (FR)
LAI CHOUNG-HOUNG (US)
CHAN NICKY (US)
CEDANO SERRANO FRANCISCO JAVIER (FR)
Application Number:
PCT/EP2022/074517
Publication Date:
March 09, 2023
Filing Date:
September 02, 2022
Export Citation:
Assignee:
SAINT GOBAIN (FR)
International Classes:
E06B5/20; B32B17/10; C03C17/00; C03C17/32; C03C17/34
Foreign References:
| US20190002617A1 | 2019-01-03 | |||
| EP2608958A1 | 2013-07-03 | |||
| EP2212506A2 | 2010-08-04 |
Attorney, Agent or Firm:
SAINT-GOBAIN RECHERCHE (FR)
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