| 摘要 |
A building method for building a tyre (1) using one building drum (17) having a centre section (19), and two lateral sections (20) on opposite sides of the centre section (19); the building method including the steps of: placing an innerliner (12), two canvas chafers (16), a body ply (3), and two beads (4) about the building drum (17); executing a first turn-up to turn the body ply (3) outwardly up about the beads (4) to form a carcass (2) of the tyre (1); applying a tread belt (8) and a tread (7) to the carcass (2); removing the carcass (2) off the building drum (17); placing two sidewalls (13) about the same building drum (17); re-placing the carcass (2) about the building drum (17) and partly over the sidewalls (13); and executing a second turn-up to turn the sidewalls (13) outwardly up about the carcass (2).
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