E - Fixed Constructions – 01 – C
Patent
E - Fixed Constructions
01
C
259/11, 126/5
E01C 19/08 (2006.01) E01C 19/10 (2006.01)
Patent
CA 1067367
ABSTRACT OF THE DISCLOSURE A method and apparatus for treating paving material wherein the asphalt material is tumbled within an inclined drum so that it initially passes through the center portion of a stream of hot gases and is conveyed rearwardly and then is subsequently dropped through a more peripheral portion of the hot gas stream and conveyed rearwardly at a faster rate than it was initially. The apparatus comprises a wheeled frame, and elongated drum having a cylindrical inner surface and which is supported on the frame for rotational movement about its longitudinal axis, a feed chute communicating with the inlet end of the drum, the LP gas burners mounted at the opposite end of the drum so as to direct a flame and stream of hot gas centrally through a drum toward the inlet. A plurality of flights are secured to the drum inner surface which extend radially inward toward the drum longitudinal axis and extend rearwardly in a direction parallel to the axis. A second plurality of elongated flights are also secured to the drum inner surface rearwardly of the first mentioned flights and are inclined relative to the radial and longitudinal axes such that the paving material is advanced rearwardly at a faster rate without being dropped through the hottest portion of the hot gas stream.
283275
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