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Device for conveying and checking containers, in particular preforms

  • US 6,808,382 B2
  • Filed: 08/26/2002
  • Issued: 10/26/2004
  • Est. Priority Date: 03/15/2000
  • Status: Expired due to Fees
First Claim
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1. A device (1) for conveying and checking containers, in particular preforms, that comprises:

  • an feeding and accumulation section (2) for the containers arriving from a container forming station, the feeding and accumulation section being loaded intermittently from the forming station;

    a carrousel (3) which rotates continuously, located downstream of the feeding and accumulation section in the direction of container feed, to feed the containers through a sequence of checking stations (4);

    connecting means located between the feeding and accumulation section and the carrousel and having means (8) for adjusting the alternate operation of the feeding and accumulation section relative to the continuous operation of the carousel, the connecting means comprise an endless chain (5) extending along a path defined by driving gear wheels (6), the path partially overlapping the circular trajectory of the carrousel;

    characterized in that the adjusting means (8) comprise a first and a second driving gear wheels (9a, 9b) arranged along the path followed by the endless chain, located respectively on the delivery section of the feeding and accumulation section, the first and second driving gear wheels being mobile to compensate the variations in the length of the delivery and return sections.

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