Method and apparatus for preparing concrete mortar

Details Method and apparatus for preparing concrete mortar Method and apparatus for preparing concrete mortar

1988-01-20

1989-11-21

Hornsby, Harvey C.

Agitating

Mortar mixer type

Methods

366 17, 366 18, 366 19, 366 22, 366 40, 366 43, 366140, 366141, 366142, 366152, 366177, 366193, B28C 704

Patent

active

048818194

ABSTRACT:
The invention relates to a method and apparatus for preparing concrete mortar. In order to regulate the moisture content of the concrete mortar a sand sample is taken of the sand used. This sand sample is dried. The amount of water added to a concrete charge is regulated subject to the weight difference of the sand sample prior to and after drying.

REFERENCES:
patent: 2791120 (1952-07-01), Dietert
patent: 2854714 (1958-10-01), Dietert
patent: 3161927 (1964-12-01), Dietert
patent: 3170677 (1965-02-01), Phister
patent: 3172175 (1965-03-01), Hartley
patent: 3186596 (1965-06-01), Badgett
patent: 3778035 (1973-12-01), MacKinney
patent: 4245915 (1981-01-01), Bracegirdle
patent: 4335966 (1982-06-01), Rapp et al.
patent: 4569025 (1986-02-01), Eirich et al.

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