| 摘要 |
Automatic wraparound packaging machinery comprising a carton blank feeding station, can accumulator, lowerator platform and gluing and sealing station is provided with a loading head adapted for receiving the supply of articles (e.g., cans) to be packed and for forming the articles into discrete groups. The apparatus further comprises a retractable loading curtain associated with the loading head and means associated with the loading head for retracting the loading curtain to release the group of articles formed in the loading head and for returning the loading curtain to its normal position for supporting the next group of articles formed in the loading head. In one embodiment, the articles are packed in the carton in one tier. In another embodiment, releasable lifting means are provided for lifting every other group or articles to form an upper and a lower tier of articles, thus producing a two-tiered arrangement of articles to be packed.
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