Importance

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Abstract

Disclosed is a road surface layer reproducing apparatus which comprises a mixture hopper, a scarifier, and a mixer means including a first mixer of single-shaft rotor system and a second mixer of twin-shaft rotor system. This apparatus is characteristic of a mixture hopper swingable laterally around its hopper supporting shaft, a sacrifier whose claws are so loosely fitted that the tip ends of the claws can follow up the contour of a road being remedied, a first mixer provided with a single-shaft rotor with a depth-measuring device for controlling the depth of penetration of the rotor into the asphalt of the road and mounted with screws for forming a windrow of an asphalt mixture to the center of the main body of the apparatus and a second mixer provided with parallel mounted twin-rotors which is vertically movable by a three-point supporting mechanism.

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First Claim