Sound barrier material

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

Patent

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Details

428251, 428252, 428273, 428255, 428285, 428290, 428921, 428256, 181294, B32B 700, C04B 4300

Patent

active

043037232

ABSTRACT:
A sound barrier material for a road or a trainway comprised of a barium sulfate loaded chlorinated polyethylene laminated to each side of a foraminous metal member with a coating of about 0.05 to 8.13 centimeters in gauge.

REFERENCES:
patent: 3360422 (1967-12-01), Desch
patent: 3575779 (1971-04-01), Chapman et al.
patent: 4110510 (1978-08-01), Oliveira
patent: 4112164 (1978-09-01), Koss
patent: 4170675 (1979-10-01), Greengrass

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