An assembly-type packaging box, being a cuboid when assembled, is configured by erecting a front and rear panel in front and rear of a bottom panel across fold lines, respectively, and erecting a left and right outer panel on the left and right of the bottom panel across fold lines, respectively. Front folding tabs extending from the front panel are disposed along inner surfaces of the left and right outer panels, and left and right-front folding-back tab are provided connectedly on front sides of the left and right outer panels, respectively. When a packaging box is assembled, the folding-back tabs are positioned at the front and rear in the depth direction of the left upper-edge panel and the right upper-edge panel (frame members) which form a frame. This configuration can prevent cut surfaces of sheet material to appear on a ridge line where surfaces intersect, without causing a cost rise.

An assembly-type packaging box is configured by erecting a front and rear panel along valley fold lines respectively in front of and behind a bottom panel; then folding outer panels, upper-edge panels, and inner panels, such that rear folding tabs extending from a side of the rear panel are folded in between the outer and inner panel. This allows the upper-edge panels to form a frame having a predetermined width at an opening portion. Folding protrusions, which fix positions of the upper-edge panels forming the frame by abutting on the rear folding tabs folded in between each of the outer panels and each of the inner panels, are formed on sides of the inner panels. With this configuration, the box allows to prevent displacement of the upper-edge panel forming the frame and generation of a gap caused by the displacement of the upper-edge panel.

A packaging material as a formed integral includes a lower plate, a first side plate connected to a first side of the lower plate, and a second side plate connected to a second side of the lower plate. The first side plate includes a first plate body, a first bending line formed on the first plate body and for connecting the first side, and a first assembly portion disposed at one side of the first plate body. The second side plate includes a second plate body, a second bending line disposed at one side of the second plate body, and a first connecting portion disposed at one side of the second plate body. The first plate body and the second plate body are bent towards the lower plate, and the first assembly portion is locked and fastened with the first connecting portion to complete the packaging material.

A container blank comprising a bottom portion defined on four sides by a first, second, third, and fourth bottom score, a first side portion partially defined by the first bottom score, a second side portion partially defined by the second bottom score, a front portion partially defined by the third bottom score, a back portion defined by the fourth bottom score, a first back connecting portion connecting the first side portion to the back portion, a second back connecting portion connecting the second side portion to the back portion, a first front connecting portion connecting the first side portion to the front portion, and a second front connecting portion connecting the second side portion to the front portion. Wherein folding of the side portions about their respective bottom scores causes the back and front portions to fold about their respective bottom scores.

A pizza box having a bottom (1), side walls (3, 4), a front wall (5), a rear wall (6) and a lid (23), joined with the rear wall (6) along a pre-cut line (24) and centrally provided with partially circular cuts (26) with a vent function, the lid (23) having at least one parabola-shaped breaking line (22) so that a tear along each predetermined breaking line (22) of the lid (23) provides a small tray (V).

A packaging material as a formed integral includes a lower plate, a first side plate connected to a first side of the lower plate, and a second side plate connected to a second side of the lower plate. The first side plate includes a first plate body, a first bending line formed on the first plate body and for connecting the first side, and a first assembly portion disposed at one side of the first plate body. The second side plate includes a second plate body, a second bending line disposed at one side of the second plate body, and a first connecting portion disposed at one side of the second plate body. The first plate body and the second plate body are bent towards the lower plate, and the first assembly portion is locked and fastened with the first connecting portion to complete the packaging material.

A container for holding a product. The container can comprise a tray comprising a plurality of panels extending at least partially around an interior of the tray. The plurality of panels can comprise at least a front panel. The container further can comprise a lid can comprise at least a top panel. A closure can comprise at least a locking slot extending in at least the front panel, a closure aperture extending in at least the top panel, and a closure flap foldably connected to the top panel and extending in the closure aperture. The container comprises an open configuration and a closed configuration. At least a portion of the front panel is received in the closure aperture and the closure flap is at least partially received in the locking slot in the front panel when the container is in the closed configuration.

A construct for holding a plurality of containers. The construct can comprise a tray portion comprising at least a bottom panel and a side panel foldably connected to the bottom panel, a cover portion comprising at least a top panel, an open configuration for inserting or removing the plurality of containers from the construct, and a closed configuration for at least partially retaining the plurality of containers in the construct. The top panel can be opposite to the bottom panel and the cover portion can be spaced apart from the side panel when the construct is in the closed configuration. The tray portion can be for at least partially receiving at least a first container of the plurality of containers, and the construct can be for receiving a second container of the plurality of containers between the first container and the top panel when the construct is in the closed configuration.

Problem to be Solved

Provided is a packing box that enables to easily release a slit lock in which slits of an insertion piece of an openable lid engage with side flaps connected to openable lid side edge portions of lid side members, even if the interior of a box body of the packing box is tightly filled with a product.

Solution

The top face lid (540) of the packing box (500) includes a part that can be torn along the tear inducing line (543) extending from the flap opposing edge (541) of the top face lid to the front end edge (542) of the top face lid (540), and the part is held and torn along the tear inducing line (543) by a human hand and is raised up with respect to the top face lid (540) to form the slit lock release gripping piece (544) that can be used for releasing engagement created by the slit lock engaging structure (LK), so that the engagement by the slit lock engaging structure (LK), which is the engagement between the insertion piece (550) and the side flap (530) in the slit (SL22) on the side in the lateral direction of the insertion piece (550) where the slit lock release gripping piece (544) is formed, can be easily released even if the interior of the box body of the packing box is tightly filled.

A box can include a container portion, the container portion defining a top end and a bottom end, the container portion defining a cavity, the container portion including a main panel; and a side panel including a first side subpanel and a second side subpanel, the first side subpanel hingedly coupled to the main panel; and a dividing portion disposed within the cavity, the dividing portion defining a plurality of cells within the cavity, the dividing portion including a first dividing wing coupled to the first side subpanel; and a second dividing wing coupled to the second side subpanel.