Schwerlastreifen
Anmelder: Sumitomo Rubber Industries, Ltd. 🇯🇵
Details
- Veröffentlichungs-Nr.
- EP4647270
- Aktenzeichen
- EP25169926
- Anmeldetag
- 11. April 2025
- Veröffentlichung
- 12. November 2025
- Rechtsraum
- EP
- IPC
- B60C1/00C08K3/36C08L7/00
Abstract
Provided is a heavy-duty tire excellent in overall performance of fuel efficiency and abrasion resistance. The heavy-duty tire comprising a tread part, the tread part comprising a rubber layer composed of a rubber composition, the rubber layer comprising a tread surface, the rubber composition comprising: a rubber component comprising a predetermined amount of an isoprene-based rubber; and a filler comprising a predetermined amount of silica, wherein the tread surface comprises circumferential main grooves , a groove depth of a deepest part is less than 16 mm, and the following inequality (1) is satisfied, AIR×ASIL/DCG>340 where A<sub>IR</sub> represents a content, in % by mass, of the isoprene-based rubber in the rubber component, A<sub>SIL</sub> represents a content, in % by mass, of the silica in the filler, and D<sub>CG</sub> represents the groove depth, in mm, of the deepest part of the circumferential main grooves.
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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