Sound barrier material

Details Sound barrier material Sound barrier material

1977-08-23

1978-08-29

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

181294, 428109, 428255, 428290, 428313, 428425, 428426, B32B 1704

Patent

active

041105109

ABSTRACT:
A sound barrier material comprised of a polyvinyl chloride impregnated mesh sheet having a coating of about 0.02 to 3.2 inch gauge of a barium sulfate loaded chlorinated polyethylene laminated to a foam of 1.5 to 2.5 pounds per cubic foot.

REFERENCES:
patent: 3172072 (1965-03-01), Willy
patent: 3360422 (1967-12-01), Desch
patent: 3546059 (1970-12-01), Isgur et al.
patent: 3647607 (1972-03-01), Hillers
patent: 3733239 (1973-05-01), George
patent: 3769072 (1973-10-01), Echerd et al.
patent: 3778337 (1973-12-01), Mand et al.
patent: 3895983 (1975-07-01), Lang et al.
patent: 4038447 (1977-07-01), Brock

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