Method of mixing and spraying concrete onto pipe

Details Method of mixing and spraying concrete onto pipe Method of mixing and spraying concrete onto pipe

1977-10-31

1979-08-14

Kaplan, Morris

Coating processes

Spraying

Moving the base

118612, 118126, 118321, 118DIG11, 366 66, 366 67, 366186, B05D 102

Patent

active

041645979

ABSTRACT:
Method and apparatus for mixing particulate materials, such as sand, gravel, and cement to form a concrete mix, and for mixing water with the concrete mix to form concrete, and for applying the concrete to a structure such as a pipe, wherein a controlled amount of aggregate is placed on a moving belt and leveled to further control its amount, and then a controlled amount of cement is placed upon the leveled aggregate and leveled to further control its amount, and then the materials on the belt are mixed by spiked rollers dipping into the mixture, water being added to form the concrete, and the concrete being impelled against the object by being passed between high speed rollers.

REFERENCES:
patent: 2125046 (1938-07-01), Crandell
patent: 3526525 (1970-09-01), Versoy et al.
patent: 3632371 (1972-01-01), Mikulka
patent: 3924562 (1975-12-01), Harris et al.
patent: 3942772 (1976-03-01), Smith
patent: 4023776 (1977-05-01), Greten

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