Coating processes – Application to opposite sides of sheet – web – or strip
Patent
1977-05-09
1979-04-17
Murtagh, John E.
Coating processes
Application to opposite sides of sheet, web, or strip
52806, 264 466, 427403, 427427, E04C 236
Patent
active
041501756
ABSTRACT:
A building panel in which two sprayed concrete layers, one on top of the other, are affixed to a paper base honeycomb core. The inner layer on each side comprises concrete without fibers, and the outer layer on each side comprises concrete with 4% to 6%, by weight, of fiberglass fibers.
REFERENCES:
patent: 2192182 (1940-03-01), Deutsch
patent: 2262899 (1941-11-01), Mechlin
patent: 2575758 (1951-11-01), Herd
patent: 3103042 (1963-09-01), Martin
patent: 3211253 (1965-10-01), Gonzalez
patent: 3857217 (1974-12-01), Reps
patent: 3990936 (1976-11-01), Geschwender
patent: 4054477 (1977-10-01), Curran
Murtagh John E.
Phillips C. A.
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