Noise control materials

Details Noise control materials Noise control materials

1975-07-14

1977-09-13

Robinson, Ellis

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

123195C, 123198E, 181204, 428443, 428444, 428302, 428468, 428457, 428489, B32B 702, B32B 1102

Patent

active

040483665

ABSTRACT:
A noise reducing material especially suitable for attaching to internal combustion engine casing parts and comprising (a) a layer of a metal such as lead combining a high density with a low shear modulus, bonded to (b) a layer of a pliant thermoplastics matrix reinforced with fibrous material. Layer (b) is preferably asbestos fiber-reinforced bitumen and the laminate preferably comprises a layer of lead between two layers of the reinforced thermoplastics material.

REFERENCES:
patent: 2057071 (1936-10-01), Stranahan
patent: 2240326 (1941-04-01), Burns
patent: 2440626 (1948-04-01), Young
patent: 2472100 (1949-06-01), Fair
patent: 2668781 (1954-02-01), Jenkins
patent: 2678891 (1954-05-01), Jenkins
patent: 2850789 (1974-11-01), Kingsbury
patent: 2910922 (1959-11-01), Horning
patent: 3573124 (1971-03-01), Rudloff

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