Method and apparatus for fluid bed drying of non-pigmented rubber crumb
First Claim
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1. A METHOD FOR DRYING WET NON-PIGMENTED PARTICULATE RUBBER CRUMB COMPRISING PASSING SAID RUBBER CRUMB INTO A CLOSED ZONE, SEPARATELY PASING A DUSTING AGENT INTO SAID CLOSED ZONE FROM BELOW THE HEREINAFTER NAMED BED AND MAINTAINING SAD RUBBER CRUMB AND DUSTING AGENT IN A FLUDIZED BED THEREIN BY PASSING SUPERHEATED STEAM UPWARDLY THRU SAID BED SO AS TO COAT SAID CRUMB WITH SAID AGENT AND REMOVE SUBSTANTIALLY ALL OF THE MOISTURE FROM SAID CURMB, WITHDRAWING STEAM FROM SAID ZONE, AND REMOVING COATED AND DRIED CRUMB FROM SAID ZONE AT THE PRODUCT OF THE OPERATION.
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1 Claim
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1. A METHOD FOR DRYING WET NON-PIGMENTED PARTICULATE RUBBER CRUMB COMPRISING PASSING SAID RUBBER CRUMB INTO A CLOSED ZONE, SEPARATELY PASING A DUSTING AGENT INTO SAID CLOSED ZONE FROM BELOW THE HEREINAFTER NAMED BED AND MAINTAINING SAD RUBBER CRUMB AND DUSTING AGENT IN A FLUDIZED BED THEREIN BY PASSING SUPERHEATED STEAM UPWARDLY THRU SAID BED SO AS TO COAT SAID CRUMB WITH SAID AGENT AND REMOVE SUBSTANTIALLY ALL OF THE MOISTURE FROM SAID CURMB, WITHDRAWING STEAM FROM SAID ZONE, AND REMOVING COATED AND DRIED CRUMB FROM SAID ZONE AT THE PRODUCT OF THE OPERATION.
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Current AssigneeLyle W. Pollock
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Original AssigneeLyle W. Pollock
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InventorsPollock, Lyle W.
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Application NumberUS04/215,985Time in Patent Office1,321 DaysField of SearchUS Class Current34/368CPC Class CodesB29B 13/06 by drying B29B13/08 takes p...B29B 2009/163 Coating, i.e. applying a la...B29K 2021/00 Use of unspecified rubbers ...
