Device for the preparation of coated bituminous products for roa

Details Device for the preparation of coated bituminous products for roa Device for the preparation of coated bituminous products for roa

1980-03-07

1981-11-17

Jenkins, Robert W.

Agitating

Mortar mixer type

With heating or drying

34135, 366147, 366227, 366229, 432118, B28C 546, B28C 520

Patent

active

043008372

ABSTRACT:
The device includes in a rotary cylindrical drum (1) a zone for transfer and heating (11) where the inner surface of the drum (1) is fitted with sections of blades (17) wound in a spiral across the drum (1). These blades (17) arranged projecting with respect to the inner surface of the drum (1), by their edges remote from the drum support baffleplates (18) in a longitudinal direction. The drum (1) likewise exhibits an isolation and drying zone (12) where the inner surface of the drum (1) is fitted with lifter devices (20-21) having a high retention capacity for lifting materials (25) up to the upper portion of the drum (1) and the formation by falling back of these materials (25) of a continuous screen isolating the flame (5) of the burner (4) from the next zone of the drum (1).

REFERENCES:
patent: 2815940 (1957-12-01), Madsen
patent: 4071962 (1978-02-01), Saeman
patent: 4095284 (1978-06-01), Mendenhall
patent: 4130364 (1978-12-01), Brown
patent: 4255058 (1981-03-01), Peleschka

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