casing patch
41section repair — [1] Reinforcement made to the casing when an injury has extended through the tread or sidewall of a tire. The damaged cord is removed and a new cord is replaced in the form of a repair unit or patch. [2] A major repair in the sidewall or tread of …
42valve slot — Tube type tires require a valve slot instead of a valve hole to allow the tire valve to be removed from the rim; a thread adaptor is molded to a circular rubber patch vulcanized to the inner tube; the valve stem casing is then screwed onto the… …
43boot — boot1 [bo͞ot] n. [ME & OFr bote] 1. a) a protective covering of leather, rubber, cloth, etc., for the foot and part or all of the leg [riding boot] b) an overshoe c) a man s shoe reaching at least to the ankle 2. a boot shaped instrum …
