| 摘要 |
A sheet member is automatically joined on a molding drum. This is an automatic zipper device (1) having a pair of bevel gears (10) for biting and joining joint end portions of a sheet member (S) wound around a periphery of the molding drum (D) and having a plurality of magnet attractive metallic cords, and the device is provided with an inclined portion following cylinder (12) which is attached to a lateral movement device (20) laterally moving on the molding drum (D) so as to be laterally movable and which adjusts a height of the bevel gear (10) in accordance with an inclined surface of the sheet member (S) to be joined, a clamping cylinder (13) for adjusting a bitten amount of the bevel gears (10), and introduction magnet rollers (15(1)), (15(2)) for taking in the sheet member (S), and a member contact position stabilizing magnet (15(3)) for maintaining a constant position of the sheet member (S) so that the sheet member (S) to be joined can be brought into contact with the bevel gear (10) at a constant angle. |
