Lifter mechanism employing a carton gripper and carton bottom se

Details Lifter mechanism employing a carton gripper and carton bottom se Lifter mechanism employing a carton gripper and carton bottom se

1994-09-28

1996-05-21

Sipos, John

Package making

Closing packages and filled receptacles

By means adapted to engage outturned seam of package cover

53565, 533712, 493183, 493184, B65B 5110

Patent

active

055178014

ABSTRACT:
A gable-bottom carton gripper is disclosed for lifting and transporting container blanks between various positions within a packaging machine. Container blanks are sealed in a gable-bottom configuration using predesigned sealing jaws. The sealing jaws feature strategically placed ribs which, during ultrasonic sealing of the container bottoms, cause the formation of a longitudinal bubble disposed along a bottom fin of each gable-bottom container. A carton gripper is adapted to grip the bottom fin while supporting the bottom panels of the container. The gripper includes a rigid member bent to conform to the shape of a gable-bottom container, with a gripping edge defining a fin channel to secure the bottom fin within a fin chamber. The longitudinal bubble prevents the fin from being displaced from the fin chamber during the lifting and transporting process.

REFERENCES:
patent: 3120089 (1964-02-01), Monroe et al.
patent: 3212413 (1965-10-01), Allen et al.
patent: 3280531 (1966-10-01), Meyer-Jagenberg
patent: 3307325 (1967-03-01), Garrett et al.
patent: 3438176 (1969-04-01), Reid et al.
patent: 3910014 (1975-10-01), Braun
patent: 4251303 (1981-02-01), Deimel et al.
patent: 4448012 (1984-05-01), Kauffman et al.
patent: 4790123 (1988-12-01), Ljungstrom et al.
patent: 5085029 (1992-02-01), Esper

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