Packaging machine

Package making – Depositing articles and arranging material in preformed... – Successive deposits of articles

Reexamination Certificate

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Details

C053S235000, C053S244000, C053S247000, C053S250000, C053S534000, C053S539000

Reexamination Certificate

active

07552570

ABSTRACT:
A packaging machine includes a grouper section having changeable lane sizes and a dual servo grouper that separates product into product sets and allow the product sets to accelerate to the lane chain speed in a controlled manner. The grouper section further includes disappearing lugs that pivot into the lanes via a cam surface provided in the lanes. The product rides upon a raised surface of the cam surface as the lug pushes the product set together down the lane, thus ensuring that no gaps are provided between product set members. A gripper/grid section of the packaging machine includes a bars that travel about a carousel with a gripper head assembly and a grid assembly pair moving up and down the bars as defined by cam surfaces within the gripper/grid section. The grid section is presented below the product set such that the product set is fed through the grid section in a one-way trip into a case. The gripper head assembly cam device and the case feed section both include height adjustment assemblies.

REFERENCES:
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patent: 3553932 (1971-01-01), Rowekamp
patent: 3601951 (1971-08-01), Bargel et al.
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patent: 5797249 (1998-08-01), Hartness
patent: 6612095 (2003-09-01), Hartness
patent: 6722101 (2004-04-01), Hartness et al.
patent: 6729103 (2004-05-01), Hartness et al.
PCT—Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority or the Declaration, mailed Sep. 26, 2005.

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