| 摘要 |
Disclosed is a pneumatic commercial vehicle tyre of radial design comprising an at least three ply belt (7) of which two belt plies are working plies (10, 11) and one radially most outer belt ply is a cover ply (12) each of these belt plies (10, 11, 12) consisting of reinforcement supports which are made of steel cord and which are embedded in elastomer the steel cords of each of the three belt plies (10, 11, 12) being coated with brass so as to make for good elastomer adhesion the brass coating of the reinforcement supports of the two working plies (10, 11) having a copper proportion of 60 wt.% to 65 wt.% and the brass coating of the reinforcements supports of the cover ply (12) having a copper proportion of 66 wt.% to 70 wt.%. |
