Agitating – Mortar mixer type – Movable mixing chamber
Patent
1995-12-13
1997-03-04
Jenkins, Robert W.
Agitating
Mortar mixer type
Movable mixing chamber
366 25, B28C 520
Patent
active
056072325
ABSTRACT:
The present application discloses an asphalt drum that is supplied with a forward and rearward insulator ring. This ring is typically constructed of a ceramic insulation such as (THERMO-MAX). The insulation is further encased in a steel shell to protect the ceramic ring and to allow for a durable drive surface. Through the use of the insulation ring the typical steel trunnions may be replaced with multi-ply rubber tires. As these tires wear they may be easily and quickly replaced with readily available stock. In the typical configuration the drum will ride on four tires, two on each ring. One tire on each ring being an idler wheel while the other is a drive wheel. The entire system may also be attached to a semi trailer for transport.
REFERENCES:
patent: 1809629 (1931-06-01), Koehring
patent: 2753163 (1956-07-01), Hilkemeier
patent: 2838291 (1958-06-01), Peebles
patent: 3910563 (1975-10-01), Vissers
patent: 4069975 (1978-01-01), Laubach
patent: 4273000 (1981-06-01), Schmid
patent: 4765255 (1988-08-01), Chiarua
patent: 4776788 (1988-10-01), Przewalski
patent: 4797002 (1989-01-01), Heap
patent: 5103687 (1992-04-01), Farnham
Thermo-Max advertisement from the Aug. 1995 issue of the asphalt contractor magazine.
Harr Curtis V.
Jenkins Robert W.
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