Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1982-11-30
1985-06-25
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51426, 277DIG5, 222410, B24C 900
Patent
active
045245509
ABSTRACT:
In the blasting of articles with impact media, the mixture of used media and fragments of material thereby removed from said articles fall to the bottom of the thermally insulated treating chamber. Novel structure is herein disclosed for discharging such mixture through an opening in the bottom of the chamber, utilizing a rotating sweeping device having a plurality of sweep arms extending outwardly from a central hub each of the arms being formed of segments to approximate the shape of an ogee curve. Heat leakage into the chamber is minimized by driving the sweeping device from below the bottom of the chamber by an enclosed shaft passed through the insulated bottom of the chamber.
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Burke Thomas W.
Klee David J.
Air Products and Chemicals Inc.
Innis E. Eugene
Rose Robert
Schmidt Frederick R.
Simmons James C.
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