Apparatus for preparing materials for road repair

Details Apparatus for preparing materials for road repair Apparatus for preparing materials for road repair

1997-12-09

1999-09-07

Walberg, Teresa

Heating

Tumbler-type rotary - drum furnace

Having combustion products generated in or fed to drum

219390, 366 24, 366 25, B28C 546, F27B 734

Patent

active

059477202

ABSTRACT:
Portable-to-site apparatus is operative to produce ready-to-lay traffic-wear surfacing and/or road etc course materials. A drum-like container is supported for axial rotation within insulation walling of a heating chamber allowing front access to one end closure of the rotatable container and affording operative association with heating means for raising temperature of contents of the container by heat transfer through side walling of the container. Normal operation is with the container sealed and under appropriate control as to time, heating, even rotation. The container is frame-mounted for tilting to aid loading and/or unloading.

REFERENCES:
patent: 1875516 (1932-09-01), Stary
patent: 1952464 (1934-03-01), Rybeck
patent: 3786162 (1974-01-01), Colson
patent: 4006889 (1977-02-01), Perrott, Sr.
patent: 4462690 (1984-07-01), Wirtgen
patent: 4510369 (1985-04-01), Harrison
patent: 4677761 (1987-07-01), Rattner
patent: 4684342 (1987-08-01), Harcuba
patent: 4889484 (1989-12-01), Przewalski
patent: 4946283 (1990-08-01), Musil

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