Sound absorbing article and method of making same

Details Sound absorbing article and method of making same Sound absorbing article and method of making same

1998-05-26

2000-09-19

Dang, Khanh

Acoustics

Sound-modifying means

Mechanical vibration attenuator

181290, 181294, F16F 1500

Patent

active

061198072

ABSTRACT:
A sound dampening glazing, for example an automotive windshield, in one embodiment of the invention includes a pair of glass sheets having facilities therebetween. In cross section and moving from one glass sheet to the other, the facilities include a polyvinyl butyral sheet, an intermediate sheet having a surface harder than the surface of the interlayer to smooth the interlayer surface e.g. an intermediate polyester sheet, a sheet of dampening material, a polyester sheet, a polyvinyl butyral sheet. In another embodiment, the automotive windshield has two sheets of dampening material, the sheets have sound dampening properties in different temperature ranges to as to provide the automotive windshield with sound dampening properties over a wider temperature range. Methods for making the glazings of the instant invention are also disclosed.

REFERENCES:
patent: 2184876 (1939-12-01), Sherts
patent: 3640833 (1972-02-01), Oberst et al.
patent: 3783084 (1974-01-01), Quenett
patent: 4011356 (1977-03-01), Lambert et al.
patent: 4017661 (1977-04-01), Gillery
patent: 4047351 (1977-09-01), Derner et al.
patent: 4073986 (1978-02-01), Keslar et al.
patent: 4201351 (1980-05-01), Tolliver
patent: 4554713 (1985-11-01), Chabal
patent: 4614676 (1986-09-01), Rehfeld
patent: 4778028 (1988-10-01), Staley
patent: 4810583 (1989-03-01), Brown et al.
patent: 4923757 (1990-05-01), O'Dwyer et al.
patent: 5132367 (1992-07-01), Chen
patent: 5262232 (1993-11-01), Wilfong et al.
patent: 5368917 (1994-11-01), Rehfeld et al.
patent: 5584950 (1996-12-01), Gaffigan
patent: 5700527 (1997-12-01), Fuchs et al.
patent: 5712038 (1998-01-01), Yamazaki et al.
patent: 5773102 (1998-06-01), Rehfeld
patent: 5796055 (1998-08-01), Benson, Jr. et al.
patent: 5965853 (1999-10-01), Hornsey

Affiliated with

Also associated with

Rating

Sound absorbing article and method of making same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Sound absorbing article and method of making same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sound absorbing article and method of making same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1062945