Radialer Reifen für LKW.

摘要

A heavy duty radial tyre comprising a tread (2) having tread edges, a pair of axially spaced bead portions (4) having a bead base (11) to fit a 15 DEG tapered bead seat (12) of its regular rim (J), a pair of sidewalls (3) extending between the tread edges and the bead portions (4), a bead core (7) disposed in each of the bead portions (4) and having a polygonal cross sectional shape, a radial carcass (5) extending between the bead portions (4) and turned up around the bead cores (7), and a belt (6) disposed radially outside the carcass (5) and radially inside the tread (2), characterised by the polygonal cross sectional shape of the bead core (2) having an axially inner angled point (Q1) and an axially outer angled point (Q2) and a side (L1) extending between the points (Q1 and Q2), the side (L1) being adjacent to and substantially parallel to the bead base (11),