tire bender

A device for bending tires to a uniform circular curve. tire-bolt, s . An ordinary nut and washer bolt, used for securing tires to the fellies of wheels. The nut and washer are applied on the interior of the felly, and the head countersunk into the tire. tire-drill, s. A contrivance for drilling the boltholes in tires. tire-heater, subst . A furnace in which a tire is expanded by heat so as to tightly embrace the circle of fellies, or the rim of the wheel, on which it shrinks in cooling.