A tread for a pneumatic tire is provided. The tread (100) comprises a tread base layer (140) comprising a tread base compound, a first tread cap layer (110) comprising a first tread cap layer compound and located radially outside of the tread base layer (140), a second tread cap layer (120) comprising a second tread cap layer compound and located radially outside of the tread base layer (140) and axially adjacent the first tread cap layer (110), and a third intermediate tread layer (130) comprising an intermediate tread layer compound and located radially between the tread base layer (140) and the first and the second tread cap layer (110, 120), wherein the first tread cap layer compound is different in composition from the second tread cap layer compound, wherein the intermediate tread layer compound is different in composition from the first and/or the second tread cap layer compound, wherein the tread base layer compound is different in composition from the intermediate tread layer compound, and wherein the first tread cap layer (110) and/or the second tread cap layer (120) has at least one protrusion (152) extending radially inward from an inner surface of the respective first or second tread cap layer (110, 120) having the at least one protrusion (152) into the third intermediate tread layer (130).
Pneumatic tire with multi-compound tread cap
Luftreifen mit Mehrfachverbundlauffläche
Pneu avec un capuchon de roulement multi-composants
2018-12-26
Patent
Elektronische Ressource
Englisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
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