Patent
Soundproofing laminated window for vehicles (US Patent 7121380)
Saint-Gobain Glass France · Granted Oct 17, 2006 · Filed Jun 15, 2004
Patent number: 7121380 Kind code: B2 Granted: 2006-10-17 Filed: 2004-06-15 Inventors: Gilles Garnier (Thourotte, FR); Marc Rehfeld (Ezanville, FR); Franz Kraemling (Aachen, DE) Assignees: Saint-Gobain Glass France (Courbevoie, FR)
Abstract
A method of acoustically attenuating noises of structure-borne origin in an article of manufacture by installing a laminated window having a glass sheet and an intermediate film, where the film has a loss factor tan δ greater than 0.6 and a shear modulus G′ smaller than 2×107 N/m2 in a