Machine tool for removing a mass of material from a container and method

Claim 1

IN A MACHINE TOOL FOR REMOVING AS MASS OF MATERIAL FROM A CYLINDRICAL CONTAINER HAVING A CONCAVE BOTTOM; A MOBILE CARRIAGE; A RAM ROTATABLY SUPPORTED ON AND DISPOSED PARALLEL TO THE LINE OF MOTION OF SAID CARRIAGE; A SPINDLE HEAD SECURED TO ONE END OF SAID RAM FOR ROTATION THEREWITH; A CUTTER SPINDLE ROTATABLY MOUNTED IN SAID HEAD, THE AXIS OF SAID SPINDLE BEING DISPOSED TO INTERSECT THE AXIS OF SAID RAM; A CUTTER SECURED TO SAID SPINDLE FOR ROTATION THEREWITH; A FRAME MEMBER; A CONTAINER RECEIVING BASKET PIVOTALLY SUPPORTED ON SAID FRAME MEMBER, SAID BASKET BEING PIVOTABLE FROM A LOAD POSITION TO A WORK POSITION AND BACK TO THE LOAD POSITION; OPERABLE MEANS CARRIED BY SAID BASKET TO ADJUST AND LOCK SAID CONTAINER THEREIN; POWER MEANS OPERABLY CONNECTED TO PIVOT SAID BASKET FROM THE LOAD POSITION TO THE WORK POSITION, SAID WORK POSITION BEING IN A PLANE WHEREIN THE AXIS OF SAID BASKET COINCIDES WITH THE AXIS OF SAID RAM; POWER MEANS CARRIED BY SAID MOBILE CARRIAGE AND OPERABLY CONNECTED TO PROPEL SAID CARRIAGE TO MOVE SAID RAM INTO SAID CONTAINER; SECOND POWER MEANS CARRIED BY SAID CARRIAGE OPERABLY CONNECTED TO ROTATE SAID RAM; THIRD POWER MEANS CARRIED BY SAID CARRIAGE OPERABLY CONNECTED TO ROTATE SAID SPINDLE; WHEREBY SAID CONTAINER MAY BE POSITIONED TO RECEIVE SAID CUTTER AND SAID CARRIAGE WILL MOVE SAID CUTTER INTO SAID CONTAINER WHILE SAID RAM IS ROTATING TO ROTATE SAID CUTTER BODILY ABOUT ITS AXIS AND SAID SPINDLE IS ROTATING TO ROTATE SAID CUTTER ABOUT ITS AXIS.

Claim 3

THE METHOD OF REMOVING A MASS OF MATERIAL FROM A CYLINDRICAL CONTAINER HAVING A CONCAVE BOTTOM COMPRISING; LOCATING A FLAT CIRCULAR CUTTER WITH ITS AXIS DISPOSED AT AN ANGLE TO THE AXIS OF THE CONTAINER AND WITH ITS PERIPHERY INTERSECTING THE AXIS OF THE CONTAINER; ROTATING SAID CUTTER ABOUT ITS AXIS; REVOLVING SAID CUTTER BODILY ABOUT THE AXIS OF THE CONTAINER WHILE SAID CUTTER IS ROTATING ABOUT ITS OWN AXIS; AND FEEDING THE ROTATING CUTTER INTO THE CONTAINER FOR OPERATING ON THE MASS OF MATERIAL THEREIN; WHEREBY SAID CUTTER WILL FORM A CONCAVITY IN THE MATERIAL TO CONFORM TO THE CONFIGURATION OF THE BOTTOM OF THE CONTAINER.

Claim 4

THE METHOD OF REMOVING A MASS OF MATERIAL FROM A CYLINDRICAL CONTAINER HAVING A CONCAVE BOTTOM COMPRISING; LOCATING A FLAT CIRCULAR CUTTER WITH ITS AXIS DISPOSED AT AN ANGLE TO THE AXIS OF THE CONTAINER AND WITH ITS PERIPHERY INTERSECTING THE AXIS OF THE CONTAINER; ROTATING SAID CUTTER ABOUT ITS AXIS; REVOLVING SAID CUTTER BODILY ABOUT THE AXIS OF THE CONTAINER WHILE SAID CUTTER IS ROTATING ABOUT ITS OWN AXIS; AND FEEDING THE ROTATING CUTTER INTO THE CONTAINER FOR OPERATING ON THE MASS OF MATERIAL THEREIN; WHEREBY SAID CUTTER WILL FORM A CONCAVITY IN THE MATERIAL TO CONFORM TO THE CONFIGURATION OF THE BOTTOM OF THE CONTAINER.