Schwerlastreifen
Anmelder: Sumitomo Rubber Industries, Ltd. 🇯🇵
Details
- Veröffentlichungs-Nr.
- EP4748589
- Anmeldetag
- 21. Oktober 2025
- Veröffentlichung
- 27. Mai 2026
- Rechtsraum
- EP
Abstract
Provided is a heavy-duty tire comprising a tread, a carcass, and a belt layer, wherein the tread is composed of a rubber composition comprising: a rubber component comprising an isoprene-based rubber; and a copolymer resin comprising styrene and cyclopentadiene as monomer components, and wherein S/(a/b) is greater than 7.0, when a=C<sub>1</sub>/T<sub>1</sub> and b=C<sub>2</sub>/T<sub>2</sub> are defined, where S represents a total styrene amount, in % by mass, in the rubber composition constituting the tread, C<sub>1</sub> represents a content, in % by mass, of an isoprene-based rubber in the rubber composition constituting the tread, T<sub>1</sub> represents a total thickness, in mm, of the tread, C<sub>2</sub> represents an average content of an isoprene-based rubber in the belt topping rubber covering the belt layer, and T<sub>2</sub> represents a total thickness, in mm, of the belt layer.
Anmelder
- Firma
- Sumitomo Rubber Industries, Ltd.
- Land
- 🇯🇵 Japan
Japanisches Unternehmen mit Sitz in Kobe, das Reifen unter der Marke Dunlop sowie weitere Gummi- und Kautschukprodukte für Fahrzeuge und Sportartikel entwickelt und produziert.
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