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CONSUMER INFORMATION AND REPORTING SAFETY DEFECTS
GLOSSARY OF TIRE TERMI- NOLOGY s13ab03
. Accessory weight
The combined weight( in excess of those standard items which may be replaced) of automatic transmission, power steering, power brakes, power windows, power seats, radio, and heater, to the extent that these items are available as factory-installed equipment( whether installed or not).
. Bead
The part of the tire that is made of steel wires, wrapped or reinforced by ply cords and that is shaped to fit the rim.
. Bead separation
A breakdown of the bond between components in the bead.
. Bias ply tire
A pneumatic tire in which the ply cords that extend to the beads are laid at alternate angles substantially less than 90 degrees to the centerline of the tread.
. Carcass
The tire structure, except tread and sidewall rubber which, when inflated, bears the load.
. Chunking
The breaking away of pieces of the tread or sidewall.
. Cold tire pressure
The pressure in a tire that has been driven less than 1 mile or has been standing for three hours or more.
. Cord The strands forming the plies in the tire.
. Cord separation
The parting of cords from adjacent rubber compounds.
. Cracking
Any parting within the tread, sidewall, or inner liner of the tire extending to cord material.
. Curb weight
The weight of a motor vehicle with standard equipment including the maximum capacity of fuel, oil and coolant, and if so equipped, air conditioning and additional weight optional engine.
. Extra load tire
A tire designed to operate at higher loads and higher inflation pressure than the corresponding standard tire.
. Groove
The space between two adjacent tread ribs.
. Innerliner
The layer( s) forming the inside surface of a tubeless tire that contains the inflating medium within the tire.
. Innerliner separation
The parting of the innerliner from cord material in the carcass.
. Intended outboard sidewall
( 1) The sidewall that contains a whitewall, bears white lettering or bears manufacturer, brand, and / or model name molding that is higher or deeper than the same molding on the other sidewall of the tire, or