Thread whirling method
First Claim
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1. A METHOD OF WHIRLING A THREAD ON A WORKPIECE COMPRISING THE STEPS OF ROTATING A WORKPIECE MEMBER ABOUT AN AXIS AT A HIGH SPEED SUITABLE FOR CONVENTIONAL LATHE OPERATIONS SUCH AS TURNING AND BORING AND AT LEAST 300 R.P.M., AND SUBJECTING THE WORKPIECE MEMBER TO INTERMITTENT CUTTING ACTION OF A TOOL MEMBER ROTATING ECCENTRICALLY ABOUT SAID WORKPIECE AXIS AT A SPEED PROPORTIONAL TO THE SPEED OF THE WORKPIECE MEMBER, THE SPEED OF ONE OF SAID MEMBERS BEING MODIFIED BY AN AMOUNT PROPORTIONAL TO THE CUTTING ANGLE EXPRESSED IN REVOLUTIONS PER MINUTE.
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1 Claim
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1. A METHOD OF WHIRLING A THREAD ON A WORKPIECE COMPRISING THE STEPS OF ROTATING A WORKPIECE MEMBER ABOUT AN AXIS AT A HIGH SPEED SUITABLE FOR CONVENTIONAL LATHE OPERATIONS SUCH AS TURNING AND BORING AND AT LEAST 300 R.P.M., AND SUBJECTING THE WORKPIECE MEMBER TO INTERMITTENT CUTTING ACTION OF A TOOL MEMBER ROTATING ECCENTRICALLY ABOUT SAID WORKPIECE AXIS AT A SPEED PROPORTIONAL TO THE SPEED OF THE WORKPIECE MEMBER, THE SPEED OF ONE OF SAID MEMBERS BEING MODIFIED BY AN AMOUNT PROPORTIONAL TO THE CUTTING ANGLE EXPRESSED IN REVOLUTIONS PER MINUTE.
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Current AssigneeKarl Burgsmueller
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Original AssigneeKarl Burgsmueller
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InventorsKARL BURGSMUELLER
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Application NumberUS04/099,616Time in Patent Office1,650 DaysField of SearchUS Class Current409/66CPC Class CodesB23G 1/02 on an external or internal ...B23G 1/32 by millingY10T 409/300112 ProcessY10T 409/30056 with planetary cutter
