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
1990-09-10
1993-02-16
Terrell, William E.
Manufacturing container or tube from paper; or other manufacturi
Container or tube erecting, opening, or collapsing
By direct application of vacuum or fluid pressure
493309, 4147958, 4147968, B31B 578, B31B 580, B65H 502, B65G 4734
Patent
active
051867060
ABSTRACT:
A carton erecting and finishing machine is disclosed as including a conveying system for directing stacks of flat carton blanks to a lifting station whereat a stack is vertically lifted to present the topmost blank to a feed station. A blank separating device is arranged to feed each of the blank seriatim to a carton erecting station to be actetd upon by vacuum caps to open the carton by erecting the side panels. While at the erecting station and immediately after erecting of the side panels, a first pair of flap-folding devices are activated to fold the bottom end flaps of the erected carton. While still at the erecting station and immediately after activation of the first set of flap-folding devices, a second pair of flap-folding devices are activated to partially fold the bottom side panels over the previously folded end flaps. A raking device is next activated to move the erected carton to a gluing station where gluing devices are arranged to apply glue to the folded bottom end flaps. After the application of glue, a compression plunger is directed through the interior of the carton to compress the side panels upon the end panels thereby finishing the mounting of the open carton preparatory to the use thereof.
REFERENCES:
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patent: 3976208 (1976-08-01), Buix et al.
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patent: 4119219 (1978-10-01), Marschke
patent: 4498893 (1985-02-01), Odom
patent: 4907941 (1990-03-01), Focke et al.
Hartness Thomas P.
Hartness Thomas S.
Hartness International, Inc.
Terrell William E.
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