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.
Abstract:
A machine is disclosed for erecting cases stored in upright, flattened positions in storage magazines. The machine includes means for extracting end member cases from the magazines, for dropping the extracted cases into drop chutes, for urging the cases in a generally horizontal direction out of the drop chutes, for opening the flattened cases by spreading the case sides apart, for tucking in lower case end flaps, for folding one case bottom panel in under the tucked end flaps, for applying adhesive to the bottom surface of the folded bottom panel, for folding another bottom panel in under the bottom panel having adhesive thereon, and for compressing the two bottom panels together.
Abstract:
Vertical carton erecting machine of the stationary diereciprocable plunger type, including an improved carton supply hopper. Feed arms are carried adjacent to the die to move to a blank hopper and directly pull a flat carton blank, presented by the hopper in proper registration for placement on the die, onto the top of the die in carton erecting position.
Abstract:
A pallet unloading apparatus for removing stacks from a pallet has a conveyor for conveying a pallet in front of a pusher mechanism and a stop member then stops the pallet. The pusher mechanism is activated to push the stacks one at a time off of the pallet. When a first set of stacks has been removed from the pallet the pusher mechanism is then retracted and the apparatus moves the pallet forward to where a second set of stacks is in front of the pusher mechanism and the pallet is then stopped by a second stop member. When the pallet is empty, the second stop member retracts and the empty pallet is passed beyond the pusher mechanism while a loaded pallet moves into position.
Abstract:
A box-erecting machine characterized by a squaring mechanism for squaring and delivering box blanks to a receiving station, said blanks being characterized by depending leading and trailing minor flaps, a driven reciprocating carriage supported for rectilinear travel including a trailing pusher assembly mounted on the carriage for sequentially engaging each squared box blank and for advancing the blank toward a glue applicator, a major flap folding and compression station, and minor flap folding assembly including pivotal fingers for forwardly infolding the trailing minor flap as it is engaged by the pusher and a rigid tongue mounted in the path of the blank for rearwardly folding the leading minor flap as the blanks are advanced from the box blank receiving station.
Abstract:
An improvement in an apparatus for setting up and closing the bottom of cartons or so called slit-boxes which are supplied as plainly collapsed carton tubes having sides and bottom and top flaps which are integral with the sides. The apparatus comprises a support (1) which carries a magazine (2) for carton blanks, a feeder unit (3) and a bottom flap closing means (4). The feeding unit (3) includes a suction catcher (11) adapted to catch and open a container blank and to move the said blank along a handling path while closing at least bottom thereof. The feeding unit carries an expelling means (27) having an expellor arm (28) which is moveable between a position inside the handling path and a position outside the handling path and which is mounted at a predetermined distance in front of the feeder unit (3) as considered in the feeding direction. The expellor arm (28) is actuated by a hydraulic or pneumatic cylinder (31) to move to a position inside the handling path when the suction catcher (11) starts to move along the handling path after having pulled a carton blank (6) out of the magazine (2) and to move the expellor arm (28) out of the handling path after the suction catcher with the expellor arm (28) and the set up carton has reached a predetermined end position and just before the suction catcher (11) starts to return to its initial position in contact with the foremost carton blank (6) of the magazine.
Abstract:
Preformed tray blanks, e.g., of an expanded foam thermoplastic material, are individually transported from a supply hopper into registration with a die cavity through which a mandrel forces the blank. In passing through the die, the blank is sequentially moved through sidewall-erecting, radiant heating, and corner tab folding stations by the extension stroke of the mandrel. A fluid power and control system moves the mandrel through these stations at desired different velocities to maximize the rate of sidewall erection, to optimize the rate of heat transfer to those surface areas of the blank to be welded together, and to minimize the open time between the heating and welding phases. The control system also optimizes the dwell time of the mandrel in a fourth station at which the heat plasticized, mutually contacting surfaces are pressed together to solidify or vulcanize, after which the mandrel is retracted, the formed tray being stripped therefrom by a means at the exit end of the die cavity. An electromechanical control circuit maintains a feed rate of individual blanks in phase with the extension and retraction cycle of the mandrel relative to the forming and welding die.
Abstract:
A packaging machine and more particularly a machine for setting up a container from a blank (16) of corrugated board is disclosed as including a uniquely arranged magazine (10) for a plurality of container blanks (16) of corrugated board and including a structure to directly set up the shape of the container in a controlled manner for enabling a product to be easily loaded and for subsequent processing by the packaging machine. The unique direct setup arrangement utilizes arcuately moving arms (24) with vacuum cups (26) thereon which attach themselves to a blank (16) in the magazine (10) and move through an arc of less than 90.degree. from a vertically inclined position to a generally horizontal position. The arms (24) and blank (16) are then moved horizontally so that the side edge portions of the major panel (18) of the blank (16), such as the bottom panel, are positioned under horizontal flap guides (74). The major panel (18) of the container is also positioned between upstanding lugs (28, 34) on a horizontal chain conveyor assembly (12) in order to orient the container flaps (20, 22) connected to the major panel (18) in perpendicular relation to the major panel (18). Thus, a partially formed container moves in a horizontal path with the chain conveyor assembly (12) for loading products into the partially formed container and for subsequently processing the container to form a package.
Abstract:
The invention relates to the Cardboard Industry. More specially it relates to a machine for manufacturing of display packages of the type comprising an opening straddling at least one edge and which is closed by a stiff, transparent sheet of plastic material. The device according the present invention comprises a horizontal circular plate, a plurality of work stations which feed the suction boxes positioned on the said plate which permit to move the blanks from one of the work stations to the other. It comprises at least stations for the cardboard blanks, for the plastic blanks, for the coating of the blanks, for the sealing and/or grooving of the plastic blanks and for picking up the assembled blanks.
Abstract:
A carton erector apparatus for setting up folding carton blanks and unfolding their bottom flaps. The apparatus includes a carton blank storage section, a carton blank set-up section and a bottom flap folding section. The carton blank storage section includes a magazine assembly for storing and urging knocked-down carton blanks towards the carton set-up section. The carton set-up section includes a carton opening assembly mounted on a substantially horizontal carriage plate movable in a direction transverse to the direction of movement of the carton blanks in the magazine assembly. A pivot arm assembly is pivotally secured to the folding arm assembly and is movable between first and second position respectively parallel and perpendicular to the folding arm assembly. A suction cup is secured to the pivot arm assembly to grasp the side panel of the forward carton in the magazine assembly when the pivot arm assembly and the folding arm assembly into their second positions is effective to set-up the carton blank into a tubular form. Bottom flap folding plough bars are provided to infold the bottom flaps of the set-up carton.