A tire (22) includes a pair of bead portions (66) to be fitted to a rim (R); each bead portion (66) includes a bead (30) having a core (52) and an apex (54); an outer surface (68) of the bead portion (66) includes a seat face (70) and a flange face (72) disposed radially inward and axially outward, respectively, of the bead (30), a heel face (74) disposed between the seat face (70) and the flange face (72), and a plurality of vent lines (78) projecting from the heel face (74) and extending in the circumferential direction; a contour of the heel face (74) is represented by an arc on a cross-section, of the tire (22), taken along a plane including a rotation axis of the tire (22), and a radius (Rh) of the arc is not less than 8 mm and not greater than 15 mm.
PNEUMATIC TIRE AND TIRE MOLD
LUFTREIFEN UND REIFENFORM
PNEUMATIQUE ET MOULE À PNEUMATIQUES
2022-04-06
Patent
Electronic Resource
English