| 摘要 |
A mandrel (4) for supporting a sleeve (6) substantially co-axially thereon and a retaining device (8) for retaining the sleeve (6) in a desired longitudinal position on the mandrel (4) and including a wheel (10) arranged to bear on an external surface of the sleeve (6) thereby pressing the sleeve (6) against the mandrel (4). Also disclosed is a detecting device (12) arranged to detect the location of the sleeve (6) relative to the mandrel (4), a processing arrangement with which said detecting device (12) communicates, the processing arrangement serving to receive signals from the detecting device (12) as to the presence of the sleeve (6) in the desired location on the mandrel (4), and a filling device downstream of the mandrel (4) and controlled by the processing arrangement, the processing arrangement serving to generate control signals for the filling device not to fill a partially formed container produced from a sleeve (6) which has not attained the desired location relative to the mandrel (4). |
