Mobile surface abrading apparatus

Details Mobile surface abrading apparatus Mobile surface abrading apparatus

1991-02-01

1992-11-10

Rose, Robert A.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51425, B24C 306

Patent

active

051613379

ABSTRACT:
A mobile surface abrading apparatus for cleaning and texturing the surface of horizontal, or near horizontal, structures, particularly roads, highways, airport runways and the like. Abrasive particles such as steel shot or grit are projected at the structure surface in angular relationship to abrade and etch the surface and the abrasive rebounds into one or more vertical abrasive conveyors, where it is transferred by air to a rotating screen, separated from the air, road debris and dust and recycled and repeatedly projected onto the surface to be treated. Air flow upwardly through the vertical abrasive conveyors is carefully controlled to lift the abrasive particles, as well as the dust and debris, beyond the rebound energy boundary and effect efficient recycling of the particles.

REFERENCES:
patent: 1554976 (1925-09-01), Kearns
patent: 3392491 (1968-07-01), Vogt
patent: 3934372 (1976-01-01), Diehn
patent: 3981104 (1976-09-01), Dreher
patent: 4771579 (1988-09-01), Giese
patent: 4841681 (1989-06-01), Dickson

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