Production of muffler material

Details Production of muffler material Production of muffler material

1975-11-28

1978-08-01

Hunt, Brooks H.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

181294, 181227, 428 64, 428289, 428288, 428401, 428920, E04B 199, G10K 1104

Patent

active

041044266

ABSTRACT:
Acoustical insulation or sound absorbing material particularly useful as automobile muffler material, having high temperature, vibration and chemical resistance, and of sufficient structural rigidity to resist packing or degradation when exposed to engine heat, vibration and exhaust gas pressures, formed of an alumina-silica ceramic fiber matt or blanket impregnated with a colloidal silica binder. The muffler acoustical and thermal insulation can be in the form of a hollow cylindrical body of alumina-silica fibers coated on its inside and outside surfaces and on its ends, with an aqueous colloidal silica sol, and the material dried.

REFERENCES:
patent: 1832571 (1931-11-01), Nash
patent: 2731359 (1956-01-01), Nicholson
patent: 3197356 (1965-07-01), Campbell
patent: 3616123 (1971-10-01), Reynolds, Jr. et al.
patent: 3658633 (1972-04-01), Jumentier et al.
patent: 3748167 (1973-07-01), Lepor
patent: 3955034 (1976-05-01), Fletcher et al.
patent: 3991247 (1976-11-01), Grubb

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