Abstract: A forming machine including a load and feed chute for a set of die-cut cardboard pieces folded in a flat shape and laid on the chute perpendicular to the chute plane and parallel one after another, from which die-cut cardboard pieces are picked one by one and partially opened by a set of depression suckers that moves in a horizontal direction between a first position near the exit of the chute and suitable for the engagement of the suckers with one of the two coplanar adjacent sides of the nearest die-cut cardboard and a second position suitable for moving the engaged side of the sucker away from the opposite side of the die-cut cardboard with simultaneous rotation of the other two sides of the die-cut cardboard. The machine provides for squaring elements to complete and to square the partially open die-cut cardboard.

Abstract: A taping unit for gummed paper includes a support for a reel of gummed paper, a paper feeder, a cutter, a paper deviator, a dampener with moistened bristles placed downstream of the deviator, and an applicator for applying single lengths of gummed paper onto the top or the bottom of a box. The paper deviator includes at least two cooperating guide pads, located one upstream of the other in the direction of the forward movement of the paper. The downstream guide pad defines, in front of the dampener, a resting plane for the paper, in front of which there extend from the upstream guide pad and parallel to the resting plane a large number of vertical wires arranged side by side, that provide guiding of the gummed paper lengths between the resting plane and the bristles of the dampener.

Abstract: A machine comprising a supporting base for boxes to be sealed, a mechanism for moving the boxes, a head that can be displaced vertically with respect to the supporting base, and at least one unit for feeding gum-coated paper sections that is removably disposed in a seat of the vertically displaceable head. The feed unit comprises a plurality of individual units that can be taken apart separately. The feed unit includes a unit for supporting a roll of gum-coated paper, a tape control unit, a tape centering unit, a tape feed unit, a contrast unit cooperable with the tape feed unit, a tape shearing unit, a tape moistening unit, and a unit for applying the moistened tape to the box to be sealed.

Abstract: A machine for applying gummed paper tape to boxes to be sealed comprises a supporting unit adapted to support a roll of gummed paper tape, a control unit, a tape centering unit, a contrast unit, a feeding unit for moving the tape through the machine, a cutting unit for cutting the tape into strips to be applied to the boxes to be sealed, and a diverting unit including at least two guide portions defining a space therebetween for directing the tape into a substantially vertical path of travel. The guide portions are separable from one another to increase the space therebetween and thereby facilitate access to the tape at the space. A moistening unit moistens the tape before the tape is applied to the boxes to be sealed, and an application unit applies the tape to the boxes to be sealed after the tape has been directed into the substantially vertical path of travel by the diverting unit and moistened by the moistening unit.

Abstract: A sealing machine for sealing parallelpiped boxes with down-turned flaps, comprises a lower supporting and containment structure defining a supporting plane for the boxes; a lower sealing unit normally contained within the supporting and containment structure; means for advancing the boxes along the supporting plane; a vertically movable upper supporting structure; and an upper sealing unit fixed to the upper supporting structure. The lower supporting structure includes a control unit operable externally from the sealing machine for enabling upward movement of the lower sealing unit to a position wherein at least a portion of the lower sealing unit is disposed above the supporting plane of the boxes.

Abstract: A transfer assembly to progressively transfer to a main vertical magazine located at the top of a machine for forming cardboard boxes, the cardboard box at the top of the pile of cardboard boxes located in an auxiliary magazine to one side of the forming machine. There is associated with the transfer assembly, opposite the top of auxiliary magazine, a solenoid valve through which the upward movement of the cardboard boxes in axiliary magazine is stopped in the time interval between the start of the withdrawal of the cardboard box from the auxiliary magazine and its positioning on rollers. At the top of the main magazine there is an upper photocell suitable for stopping the movement of the transfer assembly when the main magazine is full and a lower photocell suitable for putting the same assembly back in motion when the number of cardboard boxes contained in main magazine is lower than a certain threshold.

Abstract: A taping machine comprising an operating and advancement plane for boxes to be side-sealed. The apparatus includes conveyors engaging the top and bottom of the boxes to cause advancement. The upper conveyor is displaceable vertically, while the taping units are displaceable vertically and horizontally. The transmission of motion is operationally but removably placed between the conveyor and taping unit adjustment devices. This motion is such that every vertical displacement of the conveyor implies a similar halved displacement of the taping units. The result is ease of adjustment for boxes of differing sizes.

Abstract: A device for closing the upper lateral flaps of long parallelepiped cases includes a pair of helical guides with a reduced longitudinal length and a pair of extension arms controllable so that they may be displaced from an at rest position to an operating position. In the latter position the two arms are arranged as an extension of the helical guides towards the inlet to the device so as to force the lateral flaps of the case to accomplish the closing engagement with the helices.

Abstract: The taping unit includes a supporting frame, structure for the delivery of the adhesive tape, an entry application roller and an exit application roller movable between an extracted or at rest position and a retracted position, and a tape cutter. The entry application roller is mounted on a mobile support, which is engaged with a guide contained within the outline of the frame of the taping unit and conformed so as to move the entry roller along a circular path with its center positioned outside the frame. The guide is are preferably constituted by a fixed pivot slidably engaged in a shaped slot of the mobile support and by a connection pivot between the same mobile support and an arm rotatable on a fixed axis.

Abstract: The head is accomplished in two superimposed pieces which can be fastened and released. The two pieces mate along respective faces provided with respective successions of notches, preferably triangular, which together with the corresponding notches in the mating face of the other piece define a succession of holes to receive respective ink atomizers. Sealing means are preferably provided to take up the transverse clearances between atomizers and the holes in which they are housed.

Abstract: A conveyor table connecting the various operating units of a cardboard box-packing station includes a series of idling rollers designed to support the boxes. To the conveyor table is releasably associated a motorization unit which includes a series of motorized rollers which can be coupled by friction to the idling rollers.

Abstract: A supporting arm supports a freely rotatable roller, on which a roll of adhesive tape is mounted. A tape withdrawal roller, rotatably mounted on a lever arm, is resiliently held in tangential contact with the perimeter of the roll.

Abstract: A taping unit, included in a taping machine for sealing cardboard boxes, equipped with a control system of the tape supplied to a box to be sealed. The control system is of the pneumatic type and includes a timer piloted by a sensitive member which works together with a cam-shaped element rotated by the tape and formed so as to cause the commutation of the sensitive member at least once for each rotation of the cam-shaped element. The timer is adjusted so as to generate a warning signal on each occasion on time interval goes by that is longer than a predetermined limit between one commutation of the sensitive member and the next. The warning signal can be used to cause stoppage of the machine.

Abstract: The adhesive tape cutting device includes a cutting blade constrained to a moving support which guides the blade to intercept the tape at a predetermined point on the path of travel of the tape. The blade is constrained in a yielding manner to the support in such a manner that the blade, following its engagement with the tape, is entrained by the latter and then, due to the yielding nature of its constraint with the support, follows the travel of the tape until completion of the tape cut.

Abstract: An upper taping head is fixed to a vertically movable cross-piece whose ends are engaged in two fixed support and guide columns. To adjust the position of the cross-piece, there is provided at least one threaded rod borne in a rotating manner by one end of the cross-piece and engaged in a nut screw which is fastened to the corresponding fixed column. A control crank may be placed on the top of the threaded rod or shifted toward the center-line of the cross-piece and connected to the cross-piece by a transmission chain borne by the cross-piece. A second threaded rod may be provided for the other end of the movable cross-piece and connected by a transmission chain borne by the cross-piece to the first rod and to a control crank shifted toward the center-line of the column.

Abstract: An inlet applying roller and an outlet applying roller are elastically urged to project, at rest, from a casing which may be fixed to a sealing machine. The inlet applying roller is rotatably supported by support arms, which are movable along path defined by shaped windows engaged with a fixed pivot, and the outlet applying roller is rotatably supported by lever arms rotatable about a fixed fulcrum. Said support arms for the inlet and outlet rollers are kinematically connected to the support lever arms of the outlet roller so that the withdrawal movementof the inlet roller is accompanied by a simultaneous withdrawal movement of the outlet roller and the successive coming-out movement of the inlet roller is made dependent on a simultaneous coming-out movement of the outlet roller. A cutting blade is arranged between said rollers to cut the tape between subsequent cartons.

Abstract: In a machine for handling objects conveyed through the machine, there is a spacing device for the objects which includes at least one lever pivoted on a spreading section of an entrainment unit. The lever is elastically stressed in a position such that a first portion thereof is normally moved toward the interior of the machine and inserted in the path of travel of the objects while a second portion thereof bearing a passive stopping device and located upstream from the first is normally moved toward the exterior of the machine and outside the path of travel of the objects. When a first object meets the first portion of the lever moving it outwardly, the second portion of the lever is moved inwardly in such a manner that the stopping device can prevent advance of a second object until the first object reaches a desired distance.

Abstract: A detecting member for the height of the box with open side flaps is mounted in a vertically variable position on the closing assembly for the top flaps and is connected mechanically to the drive device which draws together the box conveyance units. In this manner drawing together of the conveyance units until they engage the sides of the box causes a corresponding movement of the detecting member which arranges itself in a position dependent upon the width of the box. Fall of the closing assembly starts simultaneously from a raised neutral position and continues until engagement of the detecting member so arranged with the top of an open side flap of the box. Braking means then stop the fall of the closing assembly. Appropriate sensitive means start operation of the closing assembly for the rear flap on the basis of the box length.

Abstract: A pair of helical guides has each guide made up of two integral helical portions, one outermost and the other innermost, longitudinally offset from each other. The two portions develop from respective basically parallel oblique inlet ends to respective coplanar horizontal outlet ends and are engageable by the erect side flaps of wider or narrower boxes respectively without the necessity of adjustment of the distance apart thereof.

Abstract: The machine comprises a bed which is a support and advancement table for cardboard boxes. Along opposite sides of the support table, there are arranged two belt pulling-units capable of engaging with the sides of the boxes to bring about their advancement during work. The inlet ends of the pulling units are fitted with sliding supports and distance adjusting devices while the outlet ends are fitted with sliding supports and motorization devices for the belts. The sliding supports of the outlet ends include forked plates with sliding shoes which embrace a transverse guide bar fixed to the bed.