Pneumatic tire having a dual layer tread

Pneumatic tire having a dual layer tread

A pneumatic tire comprising a carcass (10) und a tread (11) located radially outward of the carcass (10) and extending between tire sidewalls is disclosed. The tread (11) provides a tread running surface (7). The tread (11) comprises a first, radially outer tread layer (12) comprising a first rubber...

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Hauptverfasser: DE MONTE, PATRICE, MEUNIER, MICHEL, DELU, JEROME MARCEL GERMAIN, DELVILLE, JEROME
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DEVICES OR ARRANGEMENTS RELATED TO TYRES
PERFORMING OPERATIONS
REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL
TRANSPORTING
TYRE CHANGING OR REPAIRING
TYRE INFLATION
VEHICLE TYRES
VEHICLES IN GENERAL
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creator DE MONTE, PATRICE
MEUNIER, MICHEL
DELU, JEROME MARCEL GERMAIN
DELVILLE, JEROME
description A pneumatic tire comprising a carcass (10) und a tread (11) located radially outward of the carcass (10) and extending between tire sidewalls is disclosed. The tread (11) provides a tread running surface (7). The tread (11) comprises a first, radially outer tread layer (12) comprising a first rubber compound and a second, radially inner tread layer (13) comprising a second rubber compound. The second tread layer (13) is located radially adjacent to the first tread layer (12). The first rubber compound is different from the second rubber compound. The second tread layer (13) comprises a plurality of integrally formed extensions (14) of the second tread layer (13) and hence of the same rubber compound than teh second tread layer and said extensions extending from the second tread layer (13) radially outwardly to the tread running surface (7). The first rubber compound and the second rubber compound each comprise at least at least 30 parts per hundred parts of rubber (phr) of silica. Each of the extensions (14) has a width as measured in the axial direction of the tire (1) in a range of from 1 to 15 mm.
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subjects DEVICES OR ARRANGEMENTS RELATED TO TYRES
PERFORMING OPERATIONS
REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL
TRANSPORTING
TYRE CHANGING OR REPAIRING
TYRE INFLATION
VEHICLE TYRES
VEHICLES IN GENERAL
title Pneumatic tire having a dual layer tread
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