Method of insulating and retaining conductors inslots

Claim 1

IN THE MANUFACTURE OF DYNAMOELECTRIC MACHINES HAVING A STATOR WITH OPEN SLOTS THEREIN COMMUNICATING WITH THE BORE OF SAID STATOR AND ADAPTED TO RECEIVE CONDUCTORS THEREIN, SAID STATOR HAVING SURFACES DEFINING THE ENDS THEREOF, A METHOD OF INSULATING SAID SLOTS AND RETAINING CONDUCTORS THEREIN COMPRISING, LINING EACH OF SAID SLOTS WITH INSULATING MATERIAL HAVING PORTIONS EXTENDING AT LEAST TO THE STATOR BORE, AND A SMALL DISTANCE BEYOND SAID END SURFACES, INSERTING CONDUCTORS IN SAID SLOTS, CLOSING SAID SLOTS BY INSERTING INSULATING TOP STICKS OF ESSENTIALLY THE SAME LENGTH AS SAID LINING MEANS INTO EACH OF SAID LINING MEANS HAVING A SLIP FIT THEREWITH ON TOP OF SAID CONDUCTORS AND RETAINING SAID TOP STICKS THEREIN AS SUCCESSIVE TOP STICKS ARE INSERTED, SIMULTANEOUSLY APPLYING A COMPRESSIVE FORCE TO THE TOP STICKS ON THE STATOR BORE SIDE THEREOF TO PROPERLY SEAT SAID CONDUCTORS AND SAID TOP STICKS IN SAID SLOTS, APPLYING AN ANNULUS OF BONDING MATERIAL TO AT LEAST ONE OF SAID STATOR END SURFACES INCLUDING SAID CONDUCTORS, LINING MEANS, AND TOP STICKS EXTENDING FROM EACH SLOT TO SECURE TOGETHER AND TO THE STATOR SAID CONDUCTORS, LINING MEANS AND TOP STICKS.