| 摘要 |
<p>A vacuum starwheel which provides for a positive vacuum to hold containers, such as bottles, to maintain the bottles in position during transfer by the starwheel, and with the use of a pair of hub members, one rotating relative to the other, and with one hub member including a plurality of ports corresponding to and connecting with tubes and cups to retain the bottles and with the other hub including a plurality of ports connected to either vacuum, pressure or atmosphere, and with at least two of the ports being elongated, and with a first small port intermediate the two elongated ports and a second small port after the two elongated ports and with vacuum always applied to the two elongated ports, and with either vacuum, pressure or atmosphere, applied to the two small ports to either release a bottle at the intermediate position or to transfer the bottle along the entire length of the two elongated ports and then release the bottle.</p> |
