Machine for gripping and sizing containers formed from flexible

Details Machine for gripping and sizing containers formed from flexible Machine for gripping and sizing containers formed from flexible

1978-01-13

1980-04-22

Lake, Roy

53314, 93 36SQ, B31B 1774

Patent

active

041989015

ABSTRACT:
A machine for bringing the flexible upright walls of paperboard containers into a predetermined configuration, so that fitment rings may be applied to the upper ends of those containers, includes a pair of captivator chains having parallel inner passes and a main conveyor located generally between the two inner passes. The containers are released onto the main conveyor at equal intervals, whereupon opposed captivator blocks on the two chains fit snugly around the containers and cause them to assume the desired configuration. This enables fitment rings to be installed over the upper margins of the sidewalls or some other operation to be performed on the containers.

REFERENCES:
patent: 2486893 (1949-11-01), Van Doren
patent: 2935918 (1960-05-01), Goss
patent: 3039248 (1962-06-01), Jones
patent: 3040635 (1962-06-01), Engelson et al.
patent: 3332209 (1967-07-01), Knudsen
patent: 3454142 (1969-07-01), Holstein
patent: 4024693 (1977-05-01), Leasure et al.
patent: 4095390 (1978-06-01), Knudsen

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