Apparatus for making hot asphalt paving material

Details Apparatus for making hot asphalt paving material Apparatus for making hot asphalt paving material

1977-02-17

1977-12-20

Jenkins, Robert W.

Agitating

Mortar mixer type

With heating or drying

B28C 122

Patent

active

RE0294969

ABSTRACT:
Hot asphalt paving material is made in a rotary drum mixer which has a burner at the aggregate-introducing end and an interior transverse flame shield in the path of the burner to divide the rotary drum into a drying section and a mixing section. Means are provided in the mixing section for introducing asphalt cement into the dried aggregate material and for agitating the mix. Exhaust gases from the mixing section are passed through a heating and cooling heat exchanger and returned to the burner.

REFERENCES:
patent: 2188798 (1940-01-01), Smith
patent: 2487887 (1949-11-01), McEachran
patent: 3693945 (1972-09-01), Brock

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