TECO 36 SPECIAL Manual De Instrucciones página 113

shim under the tread are reinforced with an annular
structure, usually called a belt. The tread and sidewall
work with different, independent rigidities, so during
rolling, sidewall flexure is not transmitted to the tread.
4 - Side ring. This is a metal ring comprising several
steel strands. The casing plies are secured to the
side ring.
5 - Belt. This is a non-flexible circumferential structure
comprising cross-plies at very low angles, positioned
below the tread, with the aim to stabilise the casing
in the footprint area.
6 - Centring band. This is a small mark that indicates
the circumference of the upper part of the bead and
is used as a reference to control correct tyre centring
on the rim after mounting.
7 - Protective band. This is a circumferential marking
in the area of the sidewall which is more exposed to
accidental rubbing.
8 - Sidewall. This is the area between the shoulder
and the centring band. It consists of a more or less
thin layer of rubber, which protects the casing plies
from lateral impact.
9 - Inner lining. This is a vulcanised, compound
sheet, impermeable to air, inside tubeless tyres.
10 - Filling. It is a rubber profile with a triangular
section, placed above the rim; it provides rigidity for
the bead and gradually offsets the abrupt uneven
thickness caused by the side ring.
11 - Flap. This is the part of the casing ply around
the side ring and placed against the casing, to secure
the ply and prevent it from slipping.
12 - Foot. This is the innermost layer of the tread
in contact with the belt, or if the latter is not present
(conventional tyres) with the last casing ply.
13 - Shoulder. This is the outer part of the tread,
between the corner and start of the sidewall.
14 - Bead. This is the part that joins the tyre to the
User's manual
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