Acoustic protective glazing for a vehicle

Details Acoustic protective glazing for a vehicle Acoustic protective glazing for a vehicle

1993-11-04

1994-11-29

Loney, Donald J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428 34, 428415, 4284256, 428430, 52788, 181286, 181289, 296 9614, B32B 702, B60J 102

Patent

active

053689178

ABSTRACT:
An acoustic glazing intended for land transportation vehicles and including first and second glass sheets separated by an interlayer region, wherein the acoustic transmission loss differs at most by 5 dB from a figure increasing of 9 dB per octave from 800 to 2000 Hz and of 3 dB per octave above that. As examples, double glazings or laminated glazings are presented featuring an interlayer with a pronounced damping. The acoustic glazing will then operate to effectively eliminate aerodynamic noises in moving vehicles.

REFERENCES:
patent: 3783084 (1974-01-01), Quench
patent: 4011356 (1977-03-01), Lambert et al.
patent: 4614676 (1986-09-01), Rehfeld
patent: 4680206 (1987-07-01), Yoxon et al.

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