Asphalt coating mix automatic limestone control

Details Asphalt coating mix automatic limestone control Asphalt coating mix automatic limestone control

1983-08-25

1984-10-09

Simone, Timothy F.

Agitating

Mortar mixer type

With ingredient proportioning

366 18, 366 20, 366152, 366162, B28C 704

Patent

active

044758189

ABSTRACT:
The viscosity and amount of limestone in a limestone asphalt mixture (filled coating mixture) is determined sensing the density of the mixture which will indicate the percent of limestone in the mixture and also sensing the temperature of the mixture, and adjusting the ratio of limestone to asphalt to maximize this ratio relative to a pre-set ratio and adjusting the pre-set ratio in accordance with the temperature of the mixture when the temperature is below a pre-determined limit.

REFERENCES:
patent: 2709843 (1955-06-01), Hartley
patent: 2863191 (1958-12-01), Dietert
patent: 2902681 (1959-09-01), Dietert
patent: 3004544 (1961-10-01), Guptill
patent: 3256181 (1966-06-01), Zingg
patent: 3379421 (1968-04-01), Putman
patent: 3910564 (1975-10-01), Graham
patent: 4089509 (1978-05-01), Morton
patent: 4325641 (1982-04-01), Babus et al.

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