Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1980-04-21
1982-06-29
Godici, Nicholas P.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
239655, 23921425, 239224, B24C 700
Patent
active
043366724
ABSTRACT:
Centrifugal blasting apparatus comprising a rotatably supported blasting wheel having a plurality of radially extending impeller blades positioned adjacent the periphery of the wheel. The blades are relatively short and have their inner ends spaced a uniform and substantial distance short of the axis of rotation of the wheel so as to define an abrasive supply space between the inner ends of the blades. A tubular member extends into the abrasive supply space for delivering abrasive onto the impeller blades and comprises a main passageway portion having an axis generally parallel to and spaced radially outwardly from the axis of rotation of the blasting wheel and a discharge extension on the inner end of the main portion extending radially outwardly and terminating in a discharge opening adjacent to and in a closely spaced relationship with the inner ends of the blades. Pressurized air propels the abrasive through the tubular member onto the impeller blades.
REFERENCES:
patent: 2170831 (1939-08-01), Minich
patent: 2204587 (1940-06-01), Guendling
patent: 2204610 (1940-06-01), Minich
patent: 2254234 (1941-09-01), Minich
patent: 3678629 (1972-07-01), Leliaert
Ervin Industries, Inc.
Godici Nicholas P.
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