Apparatus for electrolytically tapered or contoured cavities
First Claim
1. IN AN ELECTROLYTIC MACHINING APPARATUS FOR FORMING TAPERED OR CONTOURED CAVITIES IN AN ELECTRICALLY CONDUCTIVE AND ELECTROCHEMICALLY ERODIBLE WORKPIECE, THE APPARATUS HAVING MEANS FOR SUPPORTING THE WORKPIECE AND AN ELECTRODE FOR MOVEMENT RELATIVELY TOWARD EACH OTHER, MEANS FOR PUMPING AN ELECTROLYTE BETWEEN THE WORKPIECE AND THE ELECTRODE, AND MEANS CONNECTED FOR PASSING AN ELECTROLYZING CURRENT BETWEEN THE WORKPIECE AND THE ELECTRODE, THE ELECTRODE COMPRISING AN ELECTRODE BODY AND MADE OF A CONDUCTIVE MATERIAL HAVING AT ONE END THEREOF A WORKING TIP, ELECTROLYTE PASSAGES EXTENDING THROUGH SAID BODY FROM THE OPPOSITE END THEREOF TO SAID TIP, A TRANSVERSE SLOT IN SAID TIP INTERCONNECTING SAID PASSAGES, THE EXTERNAL SURFACE OF SAID BODY FLARING OUTWARDLY AWAY FROM SAID TIP TO BE SHAPED COMPLEMENTALLY TO THE CONTOUR OF THE CAVITY TO BE FORMED MEANS FOR FORMING A PLENUM CHAMBER SECURED TO SAID BODY AT SAID OPPOSITE END AND IN COMMUNICATION WITH SAID PASSAGES, AND AN INLET CONNECTION TO SAID PLENUM CHAMBER.
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35 Citations
1 Claim
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1. IN AN ELECTROLYTIC MACHINING APPARATUS FOR FORMING TAPERED OR CONTOURED CAVITIES IN AN ELECTRICALLY CONDUCTIVE AND ELECTROCHEMICALLY ERODIBLE WORKPIECE, THE APPARATUS HAVING MEANS FOR SUPPORTING THE WORKPIECE AND AN ELECTRODE FOR MOVEMENT RELATIVELY TOWARD EACH OTHER, MEANS FOR PUMPING AN ELECTROLYTE BETWEEN THE WORKPIECE AND THE ELECTRODE, AND MEANS CONNECTED FOR PASSING AN ELECTROLYZING CURRENT BETWEEN THE WORKPIECE AND THE ELECTRODE, THE ELECTRODE COMPRISING AN ELECTRODE BODY AND MADE OF A CONDUCTIVE MATERIAL HAVING AT ONE END THEREOF A WORKING TIP, ELECTROLYTE PASSAGES EXTENDING THROUGH SAID BODY FROM THE OPPOSITE END THEREOF TO SAID TIP, A TRANSVERSE SLOT IN SAID TIP INTERCONNECTING SAID PASSAGES, THE EXTERNAL SURFACE OF SAID BODY FLARING OUTWARDLY AWAY FROM SAID TIP TO BE SHAPED COMPLEMENTALLY TO THE CONTOUR OF THE CAVITY TO BE FORMED MEANS FOR FORMING A PLENUM CHAMBER SECURED TO SAID BODY AT SAID OPPOSITE END AND IN COMMUNICATION WITH SAID PASSAGES, AND AN INLET CONNECTION TO SAID PLENUM CHAMBER.
Specification
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Current AssigneeLynn A. Williams
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Original AssigneeLynn A. Williams
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InventorsWilliams, Lynn A.
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Application NumberUS04/534,931Time in Patent Office666 DaysField of SearchUS Class Current204/224.00RCPC Class CodesB23H 3/04 Electrodes specially adapte...
