| 摘要 |
<p>A building drum assembly (10) mounted on a rotatable driveshaft (14) for the production of a cylindrical carcass (70) includes a drum (11) rotatably carried by the driveshaft (14) for receiving carcass material (60), a bead receiving area (16), means (53) for expanding the drum (11) and means (12 and 13) for turning carcass material (60) over a bead (64). Further provided are means (25 and 36) for the accurate positioning and securing of a bead (64) and means (24 and 25) for providing a substantially uniform and continuous support surface (19) for receiving the carcass material (60). A method is also provided for the operation of the assembly and includes the steps of rotating the drum (11), applying a carcass material (60) to the drum (11), placing a bead (64) over the bead receiving area (16), expanding the drum (11), securing the bead (64) and turning a carcass material (60) over the bead (64).</p> |
