A commercial vehicle tire intended for mounting on an E.T.R.T.O. Standards Manual standardized 15° drop-center rim (width codes 5.25 to 9.75) with two rim flanges (2) and with two rim sections (3), each with a bead seat surface (3a),wherein the commercial vehicle tire has two bead regions with bead cores (4) and in each case one bead toe (6) and one bead contour on the outside of the tire and one on the inside of the tire, which bead contours adjoin one another at the bead toe (6), wherein each bead contour on the outside of the tire has a first segment (S1), which is in contact with the rim flange (2) when the commercial vehicle tire is mounted on the rim (1), and an outer contour region, which is at least partially in contact with the bead seat surface (3a) when the commercial vehicle tire is mounted on the rim (1).The outer contour region is made up of three adjoining segments (S2, S3, S4), specifically a second segment (S2) which adjoins the first segment (S1), which comes into contact with the rim flange (2), at an external angle (β1) of 190° to 225°, a third segment (S3) which adjoins this second segment at an external angle (β2) of 165° to 175°, and a fourth segment (S4) which adjoins this third segment at an external angle (β3) of 200° to 210°,wherein the total width (B) of the second, third and fourth segments (S2, S3, S4), projected onto a reference line (g2) running at an angle (α′) of 15° in relation to the second segment (S2), is 20.0 mm to 45.0 mm and wherein the fourth segment (S4) has a width (b4) of 20% to 35% of the total width (B) in this projection.
COMMERCIAL VEHICLE TYRE
2024-02-08
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
Pneumatic vehicle tyre, preferably pneumatic commercial vehicle tyre
European Patent Office | 2015
|Commercial vehicle tyre adhesion
TIBKAT | 1997
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