Reinforcing cylinder-type abrasive wheels

Claim 1

METHOD OF MAKING A REINFORCED ABRASIVE WHEEL OF THE CYLINDER TYPE WHICH CONSISTS OF PLACING A PAIR OF CONCENTRIC RING-LIKE MEMBERS IN A MOLD, THE OUTER MEMBER BEING REMOVABLE AFTER THE WHEEL IS MOLDED, THE INNER RING BEING SOLID AND MADE OF A WEARABLE MATERIAL, ADDING A PREDETERMINED AMOUNT OF ABRASIVE MIXTURE, INSERTING IN THE MOLD ANOTHER PAIR OF CONCENTRIC RINGILIKE MEMBERS SIMILKAR TO SAID FIRST MENTIONED RING-LIKE MEMBERS ADDING ANOTHER PREDETERMINED AMOUNT OF ABRASIVE MATERIAL AND CONTINUING THE ADDITION OF SUCCESSIVE RING-LIKE MEMBERS AND ABRASIVE MATERIAL UNTIL THE MOLD IS FILLED, CURING THE WHEEL BY HEATING OR DRYING, REMOVING THE WHEEL FROM THE MOLD, REMOVING THE OUTER RING-LIKE MEMBERS AND TRUING THE PERIPHERY OF THE WHEEL TO A PREDETERMINED SIZE WHERE THE PERIPHERY OF THE WHEEL IS FLUSH WITH THE INNER RING-LIKE MEMBERS.