Carton blank erector and feeder

Details Carton blank erector and feeder Carton blank erector and feeder

1993-12-22

1996-01-16

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

493313, B31B 380, B31B 578

Patent

active

054843774

ABSTRACT:
A carton blank erector and feeder comprising a magazine having a delivery opening at one end and accommodating flat blanks as arranged closely side by side from the end toward the other end thereof, the delivery opening being so positioned as to be opposed to a phantom outward extension of a bottom forming mandrel as stopped at a feed station, transport means for withdrawing the blank from the delivery opening and transporting the blank to the outward extension, and means for unfolding the blank from the flat form to a tubular form of square cross section while the blank is being transported by the transport means. The unfolding means has at least two unfolding claws provided at edge portions of the opening so as to be engageable respectively with opposite ends of the blank to be withdrawn from the opening, and at least two unfolding ensuring claws arranged at an intermediate portion of the path of transport of the blank so as to be engageable with the respective blank ends after the blank ends are released from the unfolding claws.

REFERENCES:
patent: 3220159 (1962-10-01), Killeen
patent: 3249025 (1966-05-01), Monroe et al.
patent: 3987710 (1976-10-01), Reichert
patent: 3996843 (1976-12-01), Vogel et al.
patent: 5007889 (1991-04-01), Wakabayashi et al.
patent: 5162033 (1992-11-01), Wakabayashi et al.
patent: 5180355 (1993-01-01), Inoue
patent: 5180356 (1993-01-01), Wakabayashi et al.
patent: 5298008 (1994-03-01), Decker et al.

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