| 摘要 |
A case sealer has a frame with a low friction conveyor upon which boxes are moved in series through three stages, each having an independent pair of spaced-apart, lateral conveyors that are linked together for inward and outward movement to accommodate the width of the box to be sealed. A first measuring stage measures the height, width and length of the box. A second flap folding stage has a floating head located over its lateral conveyors and is responsive to the height and width of the box and folds the box end and side flaps into a closed position. When a box enters the flap folding stage, the lateral conveyors in the measuring stage open to accept the next box, and based on the speed of the lateral conveyors and the measured length of the previous box, a gate allows the next box to enter the measuring stage as soon as the previous box has cleared the measuring stage.
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