Package making – Group forming of contents unit and subsequent or further... – Layer – stack – or column
Reexamination Certificate
2005-10-11
2005-10-11
Gerrity, Stephen F. (Department: 3721)
Package making
Group forming of contents unit and subsequent or further...
Layer, stack, or column
C053S540000, C053S247000, C053S387100, C271S214000
Reexamination Certificate
active
06952911
ABSTRACT:
An automatic case packaging system having a conveyor and stacking assembly, a servo-powered elevator and a case positioning assembly. The conveyor and stacking assembly is provided to receive a plurality of articles and to form a stack of the articles. The conveyor has a flat, receiving portion and an arcuate portion that feeds the articles to the top of an incline where they are collated into a stack for loading. The case positioning assembly is located adjacent the servo-powered elevator and is provided to receive a case in a receiving position, to move the case to a loading position wherein an open end of the case is located adjacent the stack of articles that has been lowered on the elevator. An air-powered ram is provided to push the stack of articles into the open end of the case. When the stack is lowered to the case height, side guides open to guide the cartons into the case to prevent the cartons from hanging on the edge of the case. The case is then reoriented on the tilt rack to a vertical position and conveyed away from the elevator. A full case clamp is used to clamp the full case when it rotates to the discharge position.
REFERENCES:
patent: 2941339 (1960-06-01), Salwasser
patent: 4161092 (1979-07-01), Buday et al.
patent: 4332124 (1982-06-01), Jaton
patent: 4707970 (1987-11-01), Labombarde et al.
patent: 5588285 (1996-12-01), Odenthal
Byrd, Jr. Charles Dale
Rasmussen Mark P.
Gerrity Stephen F.
Graphic Packaging International, Inc.
Womble Carlyle Sandridge & Rice PLLC
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