| 摘要 |
An air controlled conveying device is disclosed for conveying unstable articles, such as plastic bottles, having a neck portion with a neck ring thereon. The unstable articles are conveyed in single file in the downstream direction along a path established by guides receiving the neck portions of the unstable articles therebetween. A plurality of plenums receive controlled air from a separate plenum to establish different plenum air pressures, and air from the plurality of plenums is directed toward the neck portions of the unstable articles then between the guides to urge the unstable articles along the guides at flow rates dependent upon the different air pressures then established in the plurality of plenums.
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