Sound proof materials for buildings

Details Sound proof materials for buildings Sound proof materials for buildings

1979-05-29

1980-12-02

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

181290, 181294, 428246, 428251, 428253, 428263, 428268, 428273, B32B 516

Patent

active

042371783

ABSTRACT:
Sound proof materials for buildings are disclosed. This material is prepared by mixing powdery lead with an impregnating resin, a solvent, a plasticizer and the like and then applying them on at least one side of a glass cloth.

REFERENCES:
patent: 3253947 (1966-05-01), McCluer et al.
patent: 3615276 (1971-10-01), Singleton
patent: 3622432 (1971-11-01), McCluer

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