Manufacturing container or tube from paper; or other manufacturi – Container making – Rigid container
Patent
1979-07-12
1981-03-17
McGehee, Travis S.
Manufacturing container or tube from paper; or other manufacturi
Container making
Rigid container
493171, B31B 146
Patent
active
042560250
ABSTRACT:
Apparatus for forming a hinged or clamshell type carton from a paperboard blank includes a carton forming die for receiving the paperboard blank, a movable frame for transferring the carton blank from the stack into registration over the die, and a reciprocating plunger mounted above the die for forming the carton. The blank is formed into a finished carton in one simple harmonic motion. The movable frame includes a number of vacuum assisted suction cups for lifting the carton blank from the stack and at least a pair of gathering rollers which cooperate with a pair of pivoting blades mounted adjacent the die to fold and gather the hinge of the carton blank as the blank is positioned and pressed into contact with the die. A pair of inverted "T" retaining bars, disposed on the die adjacent the carton hinge, prebreak glue tabs on the carton and capture and retain the wall panels of the carton when the blank is pressed into registration with the forming die. The blades and "T" bars also accurately locate and position the carton blank with respect to the die. A stacking cage is disposed beneath the carton forming die to receive and retain a plurality of the erected and folded cartons in a vertically stacked, nested arrangement.
REFERENCES:
patent: 2189105 (1940-02-01), Evans et al.
patent: 2684616 (1954-07-01), Hickin
patent: 3511138 (1970-05-01), Baker
patent: 3965804 (1976-06-01), Elford
patent: 3995539 (1976-12-01), Wallin et al.
Collura Peter C.
Goda Boyd D.
Simpson Thomas E.
St. Vincent Craig J.
Kliklok Corporation
McGehee Travis S.
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