Patent ID: 8549825

Claim:
A case packer comprising: a first conveying belt conveying a plurality of packages in a first conveying direction, with each of the plurality of packages having an amount of air inside, and an overall thickness of each of the plurality of packages being inconsistent with respect to one another; a detector including a second conveying belt, the detector detecting the overall thickness of at least one of the plurality of packages with the at least one of the plurality of packages being sandwiched between the first conveying belt and the second conveying belt; a second conveying unit including an accumulating portion positioning the packages such that the at least one of the packages partially overlays an adjacent one of the packages, and positioning subsequent ones of the plurality of packages partially overlaying the subsequent ones of the plurality of packages overlaying adjacent ones of the packages, the second conveying unit conveying the packages overlaid in the accumulating portion to a boxing unit that boxes a sub-set of the plurality of packages; and a control unit adjusting operation of the second conveying unit based on a detected value from the detector.