Road structure – process – or apparatus – Process
Patent
1994-08-31
1996-01-02
Britts, Ramon S.
Road structure, process, or apparatus
Process
404 81, 404101, 404102, 366 18, 366 19, E01C 1900
Patent
active
054802563
ABSTRACT:
A method for the preparation, placement, and compacting of fibrous concrete material components laid onto an object which consists of forming on a conveyor a sandwich consisting of sequential layers of a mortar component, long fibers, coarse aggregate, directing the sandwich onto the surface of large-diameter rotor (113), converting the components of the sandwich into a controllable flow (F), directing a part of the components onto the object (O) and a part onto a second small-diameter rotor (115) having blades (115a) longer in the radial direction than blades (113a) of the rotor (113), and controlling the direction, speed, density distributions, and distribution of the flow components by adjusting the amount of short fibers added to the flow and by introducing into the flow a third rotor (116). The apparatus for the realization of the method contains a three-rotor-type dispenser with the third rotor (116) pivotal with around the center of rotation of the second rotor (115).
REFERENCES:
patent: 2863651 (1957-10-01), McBride
patent: 4881819 (1989-11-01), Blees
patent: 5044819 (1991-09-01), Kilheffer et al.
Dyuzhenko Michael
Itsekson Alexander
Itsekson Boris
Itsekson Vladimir
Tsigelman Igor
Britts Ramon S.
O'Connor Pamela A.
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