Apparatus for cleaning surfaces, including means for separating

Details Apparatus for cleaning surfaces, including means for separating Apparatus for cleaning surfaces, including means for separating

1981-03-05

1983-05-10

Smith, James G.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51425, B24C 900

Patent

active

043823521

ABSTRACT:
A blasting machine having a blasting device for directing abrading material at high velocity through an opening adjacent a surface to be cleaned. Incorporated between an upwardly-extending conduit for receiving rebounded, spent abrasive and an elevated hopper for delivering abrasive to the blasting device is a cleaning apparatus having sufficient vertical elongation to clean and remove debris effectively from the abrasive recovered during the cleaning operation. The upwardly-extending conduit directs the rebounded abrasive into an upper part of the abrasive cleaner. The cleaner has a series of vertically-disposed baffles to create an array of showers of debris and abrasive through which is drawn air to entrain and separate the debris from the abrasive. The abrasive after having been cleansed is collected in a lower part of the machine and returned to the elevated hopper for delivery to the blasting device. The debris withdrawn from the abrasive is collected in a remote position for discarding.

REFERENCES:
patent: 1650727 (1927-11-01), Stebbins
patent: 1885760 (1932-11-01), Peik
patent: 2770924 (1956-11-01), Mead et al.
patent: 3691689 (1972-09-01), Goff
patent: 3716946 (1973-02-01), Graf
patent: 3742650 (1973-07-01), Graf et al.
patent: 3877175 (1975-04-01), Snyder
patent: 3900969 (1975-08-26), Diehn
patent: 4020596 (1977-05-01), Bergh
patent: 4222205 (1980-04-01), Lake et al.

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