Mixer having blades arranged in a discontinuous helical pattern

Details Mixer having blades arranged in a discontinuous helical pattern Mixer having blades arranged in a discontinuous helical pattern

1994-01-11

1994-08-30

Simone, Timothy F.

Agitating

Mortar mixer type

Movable stirrer

366168, 366325, B28C 516

Patent

active

053421248

ABSTRACT:
A mixer having an elongated housing with an upper wall, a curved lower wall, an inlet end and a discharge end. A rotatable shaft within the housing extends from the inlet end to the discharge end of the housing. A plurality of blades are attached to the shaft in a discontinuous helical pattern. An injection tube is located at the inlet end of the housing to spray bituminous liquid into the housing. Recycle aggregate and bituminous liquid are introduced into the inlet end of the housing. Asphalt mix is removed from the discharge end of the housing. Each blade has a curved outer end which is in near contact with the lower wall of the housing as each blade moves through a lower part of its rotation. The upper wall of the housing is spaced a distance from the blades to define an open slinging area between the blades and the housing. The blades both mix and move material from the inlet end to the discharge end of the housing.

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