Manufacturing container or tube from paper; or other manufacturi – Container or tube erecting – opening – or collapsing – By direct application of vacuum or fluid pressure
Patent
1994-12-30
1997-08-05
Lavinder, Jack W.
Manufacturing container or tube from paper; or other manufacturi
Container or tube erecting, opening, or collapsing
By direct application of vacuum or fluid pressure
271 312, 271 95, 271150, 493315, 53564, 533811, B31B 176, B31B 180
Patent
active
056536712
ABSTRACT:
A carton feeder assembly is positioned substantially at the infeed conveyor level and includes a carton supply assembly, a carton selector, a carton opener, and a carton erector. The carton supply assembly has a carton supply position, a carton holding position, and a carton selecting position. The carton selector includes a pair of feeder wheels with corresponding suction devices and respective motion defining assemblies. The motion defining assemblies cause the suction devices to move along a linear pick line as the feeder wheels rotate, so that the suction devices can apply a suction on a carton to be selected. The selected carton is brought into contact with the feeder wheels by retraction of the suction devices caused by respective motion defining assemblies, so that the carton moves with the feeder wheels to the carton opener. The carton opener includes a vacuum belt which applies suction to one surface of the selected carton as a carton opening wheel applies a suction to a second side of the selected carton. As the vacuum belt moves the carton in a linear direction, the carton opening wheel rotates the second side of the carton so that the carton opens. The vacuum belt then feeds the opened carton into leading lugs on respective chains of the carton erector. Trailing lugs rotate into position behind the opened carton to hold the carton in an erect position suitable for loading the carton with articles such as bottles or cans.
REFERENCES:
patent: 2936681 (1960-05-01), Earp
patent: 3293998 (1966-12-01), Farnow
patent: 3728945 (1973-04-01), Vuilleumier
patent: 4596544 (1986-06-01), Hull
patent: 4596545 (1986-06-01), Greenwell
patent: 5029834 (1991-07-01), Boldrini
patent: 5104369 (1992-04-01), Calvert
patent: 5279095 (1994-01-01), Muller
patent: 5415615 (1995-05-01), Culpepper
Lavinder Jack W.
Riverwood International Corporation
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