Method and apparatus for spraying an inorganic hydraulic materia

Fluid sprinkling – spraying – and diffusing – Processes – Including mixing or combining with air – gas or steam

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239 10, 239311, 239379, 2394275, 366 5, 366 10, 366102, 406 48, 406 68, E04G 2102

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048443409

ABSTRACT:
An inorganic hydraulic material composition containing reinforcing short fibers is sprayed without breakage thereof, by fluidizing reinforcing short fibers in a blast of compressed air, by blending the flow of the reinforced short fibers fluidized in the blast of compressed air with a dry mixture of an inorganic hydraulic material such as cement with an aggregate such as sand in a dry blending region, by introducing the resultant dry blend into a water-mixing region, by mixing the dry blend with water, and by spraying the resultant wet composition through a spray nozzle.

REFERENCES:
patent: 1507773 (1924-09-01), Hamm
patent: 4154486 (1979-05-01), Nishikawa
patent: 4225086 (1980-09-01), Sardell
patent: 4239397 (1980-12-01), Sardell et al.
patent: 4440499 (1984-04-01), Tomikawa et al.
Search Report from GB 8717935.

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