Sorting apparatus

  • US 6,305,551 B1
  • Filed: 07/16/1999
  • Issued: 10/23/2001
  • Est. Priority Date: 01/17/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. Sorting apparatus for granular products (7,8) comprising a removal system (4), for eliminating foreign bodies or low-quality products (7) contained in a product stream having a width, a transport device (1) having a sloping distribution surface (1

  • ) over which said products (7,8) are moved in a direction of travel, and a detection system (3) following said surface, said detection system comprising a laser beam (5) that moves over the width of the product stream, wherein said surface (1

    ) is convex in the direction of travel (10) of said products (7,8) such that said surface (1

    ) has a curvature in the travel direction slightly less than that of the path (9) which the products would follow in free fall, independent of said surface (1

    ).

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