Apparatus for deflashing molded resilient pieces

Claim 1

APPARAUS FOR DEFLASHING MOLDED RESILIENT PIECES COMPRISING A DEHUMIDIFYING HOUSING, MEANS SUPPORTED WITHING THE HOUSING FOR SIMULTANEOUSLY SUPPORTING AND TURNING SAID MOLDED PIECES HAVING FLASHING, A FIRST FREEZING MEDIUM APPLICATOR MEANS WITHIN SAID HOUSING, A SECOND FREEZING MEDIUM APPLICATOR WITHIN SAID HOUSING, SAID APPLICATORS BEING ADJACENT SAID PIECE SUPPORTING AND TURNING MEANS FOR APPLYING FREEZING MEDIUM TO SAID PIECES TO LOWER THE TEMPERATURES OF SAID MOLDED PIECES, ABRASIVE BLASTING MEANS SUPPORTED WITHIN SAID HOUSING ADJACENT SAID PIECE SUPPORTING AND TURNING MEANS FOR PROPELLING ABRASIVE AGAINST SAID COOLED WORK PIECES TO REMOVE THE FLASHING THEREFROM, MEANS ADJACENT THE MOLDED PIECE SUPPORTING AND TURNING MEANS FOR COLLECTING THE USED ABRASIVE AND THE REMOVED FLASHING, MEANS FOR SEPARATING THE REMOVED FLASHING FROM SAID USED ABRASIVE, MEANS FOR CONVEYING THE SEPARATED USED ABRASIVE TO A POINT FOR REUSE BY THE BLASTING MEANS, THE FIRST FREEZING MEDIUM APPLICATOR BEING A LIQUID CARBON DIOXIDE APPLICATOR, THE SECOND FREEZING MEDIUM APPLICATOR BEING A LIQUID NITROGEN APPLICATOR, SAID LIQUID NITROGEN APPLICATOR COMPRISING A HEADER NOZZLE LEADING OFF THEREFROM, A VALVE BEING IN SAID HEADER NOZZLE TO CONTROL THE FEED OF LIQUID NITROGEN THERETHROUGH, A SUPPLY LINE FOR FEEDING LIQUID NITROGEN TO SAID HEADER NOZZLE, A STAND PIPE CONNECTION CONNECTING SAID SUPPLY LINE AND SAID HEADER NOZZLE, AND LIQUID LEVEL CONTROL MEANS FOR SAID STAND PIPE.