Acoustics – Sound-modifying means – Sound absorbing fence or screen
Patent
1997-07-18
2000-01-25
Dang, Khanh
Acoustics
Sound-modifying means
Sound absorbing fence or screen
E04H 1700
Patent
active
060168870
ABSTRACT:
A lightweight and economical sound barrier includes fiber planks, each having a thin sound absorptive membrane coated on at least one side that functions as a transmission loss barrier; and a concrete barrier having H-columns for mounting the fiber planks. The H-columns are affixed to the concrete barrier by a plate mounted on the top of the concrete barrier and supported on a lower plate mounted at the bottom of the concrete barrier. The fiber planks each include precast textured slabs is composed of extra long, fine wood fibers that have been chemically processed and pressure bonded with waterproof portland cement, that is a lightweight, strong, fire retardant material with excellent acoustic properties. The fiber planks have a tongue and groove design. The fiber planks have a three layer is laminated product which is fully integrally bonded to insure a uniform, dependable bond between components. The fiber planks include up to a three and one half inches of foam treatment. The thin sound absorptive membrane is a material such as a masonry waterproofer and a masonry sealer.
REFERENCES:
patent: 3898776 (1975-08-01), Cox et al.
patent: 4092811 (1978-06-01), Lin et al.
patent: 4136856 (1979-01-01), Murdock
patent: 4143495 (1979-03-01), Hintz
patent: 4175639 (1979-11-01), Wirt
patent: 4325457 (1982-04-01), Docherty et al.
patent: 4558850 (1985-12-01), Melfi
patent: 4566558 (1986-01-01), Link
patent: 4605090 (1986-08-01), Melfi
patent: 4674593 (1987-06-01), McCarty
patent: 4838524 (1989-06-01), McKeown
patent: 4862992 (1989-09-01), Melfi
patent: 4887691 (1989-12-01), Rotondo
patent: 4899498 (1990-02-01), Grieb
patent: 5268540 (1993-12-01), Rex
patent: 5272284 (1993-12-01), Schmanski
patent: 5426267 (1995-06-01), Underhill
patent: 5539163 (1996-07-01), Anderson et al.
Manufacture's literature entitled "Span Notes". 1986.
Pictures of Miami Metro Rail Sound Barrier Built in 1986.
Barit Bruce T.
Figallo Gary S.
Underhill George R.
LandOfFree
Lightweight and economical sound barrier for mounting on the gro does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Lightweight and economical sound barrier for mounting on the gro, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lightweight and economical sound barrier for mounting on the gro will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2310286