A flap folding unit (90) for folding flaps of lids of boxes, comprising a hinged guiding element (94) adapted for contacting a flap to be folded upon relative movement of the guiding element and the flap and guiding the flap towards its intended final position and an extendable pusher (96) adapted for pushing the flap into its intended final position.

The present invention relates to a multi-head multiformat box forming machine, using die-cut cardboard sheets, having three differentiated areas: a feeding area, a shaping area and a discharge area, wherein the multi-head multiformat box forming machine enables the shaping of different cardboard box formats using the same machine and at greater speed than simple multiformat box forming machines, saving down times and costs associated thereto.

A packing method and unit (26) for producing a rigid package (1) with a hollow rib (12; 13); an end portion of a blank (21) is folded about a contrasting body (36; 39) onto a panel (11′) of the blank (21) to form the hollow rib (12; 13); a fastening tab (16; 19), which forms the end part of the end portion, is glued to the panel (11′) to stabilize the hollow rib (12; 13); and the contrasting body (36; 39) is extracted from the hollow rib (12; 13) once the end portion is folded.

This severing device (1) includes an upper pressing member (2), a pile support part (4) having a plurality of conveying members (10) for conveying the pile in a conveying direction (X), a lower pressing member (6) arranged under the conveying members (10). The conveying members (10) are juxtaposed in a transverse direction. Two juxtaposed conveying members can be parted. The lower pressing member (6) has: i) two adjacent lower plates (6.1, 6.2) that can be moved apart, and ii) a lower translation actuator (6.3) for moving the lower plates (6.1, 6.2) so as to cause the severance slot (2.0) between juxtaposed conveying members to coincide with a frangible line in the plate.

A package is provided, comprising a packaging material having a bulk layer and being formed into a three-dimensional container by folding the packaging material along predefined crease lines thus forming a fracture along the crease lines. The package comprises a plurality of corners, wherein at least one of the corners is arranged at an area of the packaging material in which two or more crease lines intersect.

A method for erecting a box includes positioning an unerected box in an automated erecting apparatus. The method further includes bending major and minor flaps on the unerected box relative to sides of the unerected box. The method further includes, while the major and minor flaps are bent relative to the sides of the unerected box, performing an automated opening operation on the unerected box, wherein the unerected box comprises a stacking fold

A bulk bin sleeve pack is repeatably erected to form a bulk bin having a bottom wall and a perimeter wall and collapsed when not in use. The bulk bin sleeve pack includes a base that forms the bottom wall of the bulk bin. First and second wall members form the perimeter wall and are attached to one another and the base. The first and second wall members overlap a portion of the base. Locking tabs are associated with at least one of the base and the first and second wall members. Locking openings are associated with at least one of the base and the first and second wall members. The locking openings oppose the locking tabs when the first and second wall members are attached to the base to form the perimeter wall of the bulk bin. The locking tabs are lockingly inserted into the locking openings to secure the first and second wall members to the base to form the bulk bin.

A vacuum belt conveyor sequentially delivers sheet articles to a digital printer. The sheets are held in position by vacuum on the underside of the sheets through apertures in the belts and covered by the sheets. A plurality of independent plenums on the underside of the belt have chambers respectively communicating with rows of apertures extending along the belt. Vacuum is selectively applied from a manifold only to the plenum chambers that supply apertures that are covered by the sheets so that the ink from the printer will not be directed from its intended position on the sheet by vacuum from adjacent uncovered belt apertures. The sheets are fed to the conveyor in synchronism with the conveyor speed by a timed feeder so that the sheets are carried by the conveyor with a predetermined gap between the sheets and no belt apertures in the gap. A sensor counts the apertures in the belt and activates the feeder at predetermined time intervals.

An unwinding unit (400) for unwinding a strip (S) of heat sealing material for quadrangular machines (1) comprises a casing (401) adapted to be mounted on a quadrangular machine (1) and a puller (402) operatively associated with the casing (401) and configured to pull the strip (S) relative to the casing (401) along a feed path (P) and in a feed direction (V). A diverter (407) is configured to divert the strip (S) between an initial, preferably horizontal, stretch (P1) of the feed path and a final, substantially vertical stretch (P2) of the feed path, defining a curved, connecting stretch (P3) between the initial stretch and the final stretch. A deformer (413) operatively associated with the casing (401) are configured to make on the strip (5) an extended crease line (414) running along the strip itself starting from the curved stretch (P3) or downstream of the curved stretch (P3), in the feed direction (V) of the strip (S).

A method and a sealing device for sealing a joint (5; 31) between two end sides (3, 13) of two contiguous panels (1, 11). The method comprises the steps of: holding (S1) an end side (3) of a first panel (1) close to an end side (13) of a second panel (11), whereby the joint (5; 31) to be sealed is defined by the adjacent end sides (3, 13) of the two panels (1, 11); sealing (S3) the joint (5; 31) with a first and a second adhesive tape (15, 17) by providing a first tape (15) to a first face (19) of the two panels (1, 11), said first tape (15) sealing the joint (5; 31) and being provided in the direction of the joint and providing a second tape (17) to a second face (21) of the two panels (1, 11), wherein the second face (21) of the two panels (1, 11) is the opposite face to the first face (19) of the panels, said second tape (17) sealing the joint (5; 31) and being provided in the direction of the joint.