13-6
Consumer information and Reporting safety defects/Tire information
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
(2) The outward facing sidewall
of an asymmetrical tire that has
a particular side that must always face outward when mounting on a vehicle.
. Light truck (LT) tire
A tire designated by its manufacturer as primarily intended for use
on lightweight trucks or multipurpose passenger vehicles.
. Load rating
The maximum load that a tire is
rated to carry for a given inflation
pressure.
. Maximum inflation pressure
The maximum cold inflation pressure to which a tire may be inflated.
. Maximum load rating
The load rating for a tire at the
maximum permissible inflation
pressure for that tire.
. Maximum loaded vehicle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
. Maximum permissible inflation
pressure
The maximum cold inflation pressure to which a tire may be inflated.
. Measuring rim
The rim on which a tire is fitted for
physical dimension requirements.
. Normal occupant weight
150 lbs (68 kg) times the number of
occupants specified in the second
column of Table 1 that is appended
to the end of this section.
. Occupant distribution
Distribution of occupants in a vehicle as specified in the third column
of Table 1 that is appended to the
end of this section.
. Open splice
Any parting at any junction of tread,