Luftreifen
Anmelder: Sumitomo Rubber Industries, Ltd. 🇯🇵
Details
- Veröffentlichungs-Nr.
- EP4023463
- Aktenzeichen
- EP21215226
- Anmeldetag
- 16. Dezember 2021
- Veröffentlichung
- 23. August 2023
- Erteilung
- 23. August 2023
- Rechtsraum
- EP
- IPC
- B60C9/18// B60C11/00
Abstract
To provide pneumatic tires with excellent ride quality during highspeed driving, a pneumatic tire having a tread portion with a circumferential groove and a belt layer, wherein a monofilament cord is used as a reinforcing cord for the belt layer; and the number of arrangements e (lines/5 cm) of the monofilament cords per 5 cm in the tire width direction in the tire radial cross section of the belt layer, the distance G (mm) from the surface of the land portion closest to the equatorial plane among land portions separated by the circumferential groove to the monofilament cord, and the loss tangent (30°Ctan δ) when the rubber composition constituting the surface of the tread portion is measured satisfy (30°Ctan δ × G)/e > 0.015 is provided.
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.
3.465 Patente in unserer Datenbank