Sound barrier material

B - Operations – Transporting – 32 – B

Patent

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B32B 7/00 (2006.01) B32B 15/00 (2006.01) B32B 25/10 (2006.01) E01F 8/00 (2006.01) E01F 15/06 (2006.01) G10K 11/16 (2006.01)

Patent

CA 1153952

Abstract Sound Barrier Material A sound barrier material for a road or a trainway comprised of a barium sulfate loaded chlorinated polyethylene laminated to each side of a foramenious metal member with a coating of about 0.05 to 8.13 centimeters in gauge.

367611

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