Carton, a blank for producing a carton, and methods and...

Manufacturing container or tube from paper; or other manufacturi – Container making – Rigid container

Reexamination Certificate

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Details

C493S051000, C493S069000, C493S070000, C493S079000, C493S101000, C493S123000, C493S309000

Reexamination Certificate

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06951530

ABSTRACT:
A method of and an apparatus for erecting a carton, and a method of and an apparatus for closing a carton. The carton has 180° fold lines with a compressed area at each end and a slit joining the compressed areas. A carton is erected by moving the blank in a first direction against a stop to form a first set of 90° folds, holding the blank stationary with a suction while pushing the blank in a second direction to form a second set of 90° folds, erecting the carton. A filled carton is closed by advancing it through the central opening of a V-shaped member to increasingly fold the carton top panels. The closed carton is sealed by advancing it through a second V-shaped member and into contact with a pivotally supported sealing device.

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