Abrading – Machine – Sandblast
Patent
1998-01-28
2000-05-09
Eley, Timothy V.
Abrading
Machine
Sandblast
451 87, 451 89, B24C 326
Patent
active
060596406
ABSTRACT:
A cryogenic deflashing apparatus removes residual flash from molded articles. A cryogenic chamber establishes and maintains cryogenic temperatures from an injected cryogenic fluid. A parts basket is removably disposed within the cryogenic chamber for imparting a tumbling action to the molded articles. The basket has an external perforated shell and an open end and a closed end, where the closed end has a conical surface disposed within the perforated shell effective to enhance the tumbling action for the molded articles for exposure to the cryogenic temperature for embrittling the residual flash. A throw wheel directs shot media toward the articles tumbling within the parts basket for impacting and removing the residual flash from the articles that is embrittled by the cryogenic temperature.
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Eley Timothy V.
Nguyen Dung Van
Wilson Ray G.
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