Method and apparatus for testing ready-mixed concrete

Details Method and apparatus for testing ready-mixed concrete Method and apparatus for testing ready-mixed concrete

1984-03-30

1986-10-07

Myracle, Jerry W.

Measuring and testing

Instrument mechanism or transmission

Rate of change

177 50, 73 61R, 364552, G01N 3338, G01N 504

Patent

active

046152156

ABSTRACT:
A method and an apparatus for testing the quality of ready-mixed concrete. The present invention enables the water-to-cement ratio in ready-mixed concrete to be measured quickly and precisely through the measurement of the weight and underwater weight of mortar extracted from the ready-mixed concrete whose quality is to be examined.

REFERENCES:
patent: 3203591 (1965-08-01), Daulton et al.
patent: 3447906 (1969-06-01), Zimmerli
patent: 3686959 (1972-08-01), Kruiger
patent: 3747416 (1973-07-01), Wommack
patent: 3991619 (1976-11-01), Appleford et al.
patent: 4196614 (1980-04-01), McLaughlin
patent: 4320658 (1982-03-01), Hilton et al.
patent: 4372405 (1983-02-01), Stuart
"Proportioning Concrete by Weight the Toledo Method", published by Toledo Scale Co. in Jul. 1932; Forms 9902, 9912-9914, 9916, 9917, 9919, and 9920, cover, and testimonial letter.

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