23 TIRE REPAIR EQUIPMENT-NAMELY, TIRE RETREADING AND RECAPPING MOLDS, AND PARTS THEREOF; SECTIONAL REPAIR MOLDS FOR TIRES; TIRE BUFFING MACHINES; MACHINES FOR APPLYING CAMELBACK RUBBER TO TIRE TREADS; ADJUSTABLE CURING RIMS FOR TIRE RETREADING AND RECAPPING MOLDS; AUTOMATIC TREAD CENTERING PLATES FOR ALINING TIRE BEADS IN RETREADING AND RECAPPING MOLDS; AND TIRE TUBE REPAIR VULCANIZERS