JP2018521920A - Packing box, blank and method for forming the same, and packing method - Google Patents

Abstract

  A packing box is provided. The packing box is formed from a continuous packing blank. The packaging box has an openable end and a closed end. The packaging box has an internal compartment. The internal compartment defines a first space for containing the product. The packaging box has an outer cover. The outer cover defines a second space for accommodating the inner compartment. A connecting member is provided in the packing box. The connecting member connects the inner compartment with the outer cover. The internal compartment is disposed in the second space. The inner compartment is configured to slide between a closed first state and an open second state. In the closed first state, the inner compartment is substantially contained within the outer cover. In the open second state, the inner compartment extends partially beyond the outer cover on the openable end. The connecting member is arranged to prevent the inner compartment from being completely removed from the outer cover.

Description

The present disclosure relates to a packaging box, and more particularly to a packaging box that is formed from a continuous packaging blank and provides a visually attractive and convenient unpacking sequence. The invention also relates to a continuous packing blank for forming a packing box, a method for forming a blank in a packing box, and a method for packing a product in a packing box.

  Conventional packaging boxes that are slidable between a closed state and an open state are typically formed from two separate blanks. Such a packaging box requires an additional step in the manufacturing process and requires the cutting of two different blanks. Such extra steps result in increased costs. Such conventional packaging boxes can create large gaps on the closed side when in an open position that is not visually attractive.

International Publication No. 2013/012362

  Accordingly, there is a need for an improved packaging box that is slidable from a closed state to an open state, formed from a single blank, and convenient and visually attractive for unpacking. Along with an improved method for forming blanks into boxes, there is also a need for an improved blank that can form a box and a method of packing a product in a packing box.

  According to the first aspect, a packaging box is provided. The packing box is formed from a continuous packing blank. The packaging box has an openable end and a closed end. The packaging box has an internal compartment. The internal compartment defines a first space for containing the product. The packaging box has an outer cover. The outer cover defines a second space for accommodating the inner compartment. A connecting member is provided in the packing box. The connecting member connects the inner compartment with the outer cover. The internal compartment is disposed in the second space. The internal compartment is configured to slide between a closed first state and an open second state. In the closed first state, the inner compartment is substantially contained within the outer cover. In the open second state, the inner compartment extends partially beyond the outer cover on the openable end. The connecting member is configured to prevent the inner compartment from being completely removed from the outer cover.

  In one embodiment, the interior compartment comprises a first end portion of a panel of continuous packing blanks. The inner compartment is a first top panel of continuous packing blanks and a first of continuous packing blanks connected to the first end portion by respective fold lines disposed on opposite sides of the first end portion. A bottom panel. The internal compartment comprises a first top panel tab of a continuous packing blank and a first bottom panel tab of a continuous packing blank, each with a fold line on the first top panel and the first bottom panel, respectively. Connected by The first top panel tab and the first bottom panel tab are engaged with each other.

  In one embodiment, the inner compartment has an open end on the openable end and the closed end of the packaging box.

  In one embodiment, the connecting member does not abut the edge of the first top panel at the openable end, thereby defining the opening.

  In one embodiment, the edges of the first top panel and the first bottom panel on the openable end are not aligned with each other.

  In one embodiment, the edge of the first top panel at the openable end is concave and the edge of the first bottom panel at the openable end is convex.

  In one embodiment, the concave and convex shapes are semicircular.

  In one embodiment, the connecting member abuts the edge of the first bottom panel at the openable end and does not abut the edge of the first top panel at the openable end, thereby opening the opening. Define.

  In one embodiment, the connecting member includes an edge length of the first bottom panel on the openable end, a length of a fold line between the first bottom panel tab and the first bottom panel, and , Having a length equal to the total length of the edges of the first bottom panel from the connecting portion between the inner compartment and the connecting member and the connecting portion between the outer cover and the connecting member.

  In one embodiment, the outer cover comprises a second end portion of a panel of continuous packing blanks. A second top panel of continuous packing blanks and a continuous packing blank, the outer cover being disposed on both sides of the second end portion and each connected to the second end portion by a respective fold line A second bottom panel. The outer cover is connected to the second top panel and the second bottom panel by respective fold lines, the second top panel tab of the continuous packing blank and the second bottom panel of the continuous packing blank. With tabs. The second top panel tab and the second bottom panel tab are engaged with each other.

  In one embodiment, the outer cover comprises a second end portion of a panel of continuous packing blanks. The outer cover is disposed on both sides of the second end portion and is connected to the second end portion by a respective fold line, the second top panel of the continuous packing blank and the second of the continuous packing blank. 2 bottom panels. The outer cover is connected to the second top panel and the second bottom panel by respective fold lines, the second top panel tab of the continuous packing blank and the second bottom panel of the continuous packing blank. With tabs. The second top panel tab and the second bottom panel tab are engaged with each other. The edges of the second top panel and the first bottom panel on the openable end are aligned with each other.

  In one embodiment, the first bottom panel, the second top panel, and the second bottom panel have the same shape.

  In one embodiment, the outer cover has an open end on the openable end and the closed end of the packaging box.

  In one embodiment, the connecting member is formed as a central portion of a panel of continuous packing blanks adjacent to the first end portion and adjacent to the second end portion.

  In one embodiment, the connecting member is connected to the first end portion on the openable side and is connected to the second end portion on the closing side.

  In one embodiment, the packaging box has a front end and a rear end. The connecting member is connected to the inner section of the rear end portion and is connected to the outer cover of the rear end portion.

  In one embodiment, the connecting member goes back and forth on the front end between the inner compartment and the front end outer cover.

  In one embodiment, the connecting member is configured to curve at the closed end.

  In one embodiment, the central portion is elastically bendable.

In one embodiment, the length of the connecting member from the connecting portion between the inner compartment and the connecting member and the connecting portion between the outer cover and the connecting member is the length of the inner compartment from the closed end to the openable portion. At least equal to the sum of the length and a length twice the width of the inner compartment in the direction perpendicular to the line joining the closed end and the openable end.

  According to a second aspect, a continuous packing blank for forming a packing box is provided. The continuous packing blank includes a panel having a first end portion, a central portion, and a second end portion arranged in order with respect to the first direction. The continuous packing blank includes a first top panel and a first bottom panel that are disposed on opposite sides of the first end portion, each connected to the first end portion by a respective fold line. Each of the first top panel and the first bottom panel extends from a respective fold line with respect to a second direction perpendicular to the first direction. The continuous packaging blank includes a first top panel tab and a first bottom panel tab, each connected to a first top panel and a first bottom panel, respectively, by a respective fold line. The first top panel tab and the first bottom panel tab each extend away from the respective fold line with respect to the second direction. The continuous packing blank comprises a second top panel and a second bottom panel, disposed on opposite sides of the second end portion, each connected to the second end portion by a respective fold line. The second top panel and the second bottom panel each extend away from the respective fold line for the second direction. The continuous packing blank comprises a second top panel tab and a second bottom panel tab. Each is connected to a second top panel and a second bottom panel by respective fold lines. The second top panel tab and the second bottom panel tab each extend away from the respective fold line along the second direction. The length of the panel in the first direction is the length of the fold line between the first bottom panel and the first end portion and twice the width of the first bottom panel in the second direction. And greater than the sum of the lengths of the fold lines between the first bottom panel tab and the first bottom panel.

  In one embodiment, the length of the panel in the first direction is twice the length of the fold line between the first bottom panel and the first end portion, the first length in the second direction. 2 times the width of the bottom panel and the total length of the folding line between the first bottom panel tab and the first bottom panel.

  In one embodiment, the fold line between the first bottom panel tab and the first bottom panel is the same length as the fold line between the first bottom panel and the first end portion, and The length of the panel in one direction is three times the fold line between the first bottom panel and the first end and twice the width of the first bottom panel in the second direction. It is more than the sum of the length.

  In one embodiment, the length of the panel in the first direction is less than or equal to the sum of the perimeter of the first bottom panel and the length of the fold line between the first bottom panel and the first end. It is.

  In one embodiment, the sum of the width of the first top panel tab and the width of the first bottom panel tab in the second direction is at least equal to the width of the panel in the second direction.

  In one embodiment, the sum of the width of the second top panel tab and the width of the second bottom panel tab in the second direction is at least equal to the width of the panel in the second direction.

  In one embodiment, the length of the first top panel tab and the length of the first bottom panel tab in the first direction are the same.

  In one embodiment, the length of the second top panel tab and the length of the second bottom panel tab in the first direction are the same.

  In one embodiment, the first bottom panel, the second top panel, and the second bottom panel have the same shape.

  In one embodiment, the length of the fold line between the first bottom panel and the first end portion, the length of the fold line between the first bottom panel tab and the first bottom panel, the second The length of the fold line between the bottom panel and the second end portion and the length of the fold line between the second bottom panel tab and the second bottom panel are the same.

  In one embodiment, the panel has a first half and a second half arranged sequentially with respect to the first direction. The first half corresponds to half of the panel having the first end portion and the second half corresponds to half of the panel having the second end portion. The second half does not have any fold lines extending in the second direction.

  In one embodiment, the panel does not have any fold lines extending in the second direction.

  In one embodiment, the panel has a first half and a second half arranged sequentially with respect to the first direction. The first half corresponds to half of the panel having the first end portion and the second half corresponds to half of the panel having the second end portion. The first half has one or more fold lines extending in the second direction.

  In one embodiment, the edge of the first top panel and the edge of the first bottom panel, facing the central portion, are not aligned with each other.

  In one embodiment, the edge of the first top panel and the edge of the first bottom panel, facing away from the central portion, are aligned with each other.

  In one embodiment, the edges of the second top panel and the edges of the second bottom panel, facing away from the central portion, are aligned with each other.

  In one embodiment, the edge of the second top panel and the edge of the second bottom panel facing the center portion are aligned with each other.

  In one embodiment, the edge of the first bottom panel facing the center portion is concave and the edge of the first top panel facing the center portion is convex.

  In one embodiment, the concave and convex shapes are semicircular.

  In one embodiment, the first top panel tab and the first bottom panel tab are shaped to engage each other. The second top panel tab and the second bottom panel tab have shapes that can be engaged with each other.

  In one embodiment, the edges of the first top panel tab and the first bottom panel tab that oppose the fold line in the second direction are shaped to mate with each other.

  In one embodiment, the panel is elongated in the first direction.

  In one embodiment, the length of the panel in the first direction is at least twice the width of the panel in the second direction.

  In one embodiment, the length of the panel in the first direction is three times the width of the panel in the second direction.

  In one embodiment, the first top panel, the first bottom panel, the second top panel, and the second bottom panel are elongated in the first direction.

  In one embodiment, the length of the first top panel, the length of the first bottom panel, the length of the second top panel, and the length of the second bottom panel in the first direction are: 2 times the width of the first top panel, 2 times the width of the first bottom panel, 2 times the width of the second top panel, and the width of the second bottom panel, respectively, in the second direction 2 times or more.

  In one embodiment, the length of the central portion in the first direction is the length of the edge of the first bottom panel facing the central portion, between the first bottom panel tab and the second bottom panel tab. It is equal to the sum of the length of the fold line and the length of the first bottom panel and the edge of the first bottom panel facing outward from the center.

  According to a third aspect of the present invention there is provided a method of forming a packing box from a continuous packing blank according to the second aspect, comprising the step of forming an internal compartment. The internal compartment is formed by engaging the first top panel tab and the first bottom panel tab. The method comprises winding the central portion and the second end portion. The central portion and the second end portion are wound around the inner compartment. The central portion and the second end portion are wound such that the second end portion abuts the first end portion. The method includes forming an outer cover. The outer cover surrounds the inner compartment. The outer cover is formed by engaging the second top panel tab and the second bottom panel tab.

  In one embodiment, the step of forming the inner compartment is along a fold line between the first top panel and the first end and between the first bottom panel and the first end. Folding along the fold line of the first top panel tab, along the fold line between the first top panel tab and the first top panel, and between the first bottom panel tab and the first bottom panel. And folding along a fold line.

  In one embodiment, the step of forming the outer cover is along a fold line between the second top panel and the second end and between the second bottom panel and the second end. The method further comprises a step of folding along the folding line of the. The step of forming the outer cover includes a fold line along the fold line between the second top panel tab and the second top panel and between the second bottom panel tab and the second bottom panel. The method further comprises a step of bending along the line.

In one embodiment, the edges of the first top panel tab and the first bottom panel tab that oppose the fold line in the second direction are shaped to mate with each other. The step of engaging the first top panel tab and the first bottom panel tab includes engaging the edges of the first top panel tab and the first bottom panel tab facing the fold line in the second direction. Contacting.

  In one embodiment, the central portion has a first half and a second half arranged in order with respect to the first direction. The first half corresponds to half of the central portion adjacent to the first end portion and the second half corresponds to half of the central portion adjacent to the second end portion. The second half does not have a fold line extending in the second direction. The step of winding the central portion around the inner compartment does not comprise the step of folding the second half along a fold line extending in the second direction.

  According to a fourth aspect, there is provided a method for packing a product in a packing box formed from the continuous packing blank of the second aspect. The method comprises placing the product on a first bottom panel or a first top panel. The method comprises forming the internal compartment by engaging the first top panel tab and the first bottom panel tab such that the product is at least partially disposed within the internal compartment. The method comprises wrapping a central portion and a second end portion around the interior compartment such that the second end portion is opposite the first end portion. The method comprises forming an outer cover surrounding the inner compartment by engaging a second top panel tab and a second bottom panel tab.

  In one embodiment, during the step of forming the internal compartment, the first bottom panel or the first top panel on which the product is placed is kept horizontal.

  In one embodiment, the first bottom panel or first top panel on which the product is placed is kept horizontal during the steps of forming the inner compartment, winding the central portion, and forming the outer cover. .

  In one embodiment, the first bottom panel or first top panel on which the product is placed is kept horizontal during the steps of forming the inner compartment, winding the central portion, and forming the outer cover. .

  According to a fifth aspect, there is provided a method for packing a product in a packing box formed from the continuous packing blank of the second aspect. The method comprises forming an internal compartment by engaging a first top panel tab and a first bottom panel tab. The method comprises placing the product at least partially within the interior compartment. The method comprises wrapping a central portion and a second end portion around the interior compartment such that the second end portion is opposite the first end portion. The method comprises forming an outer cover surrounding the inner compartment by engaging a second top panel tab and a second bottom panel tab.

  In one embodiment, the winding step is performed in two stages, and the step of placing the product at least partially within the interior compartment is performed between these two stages. In this embodiment, the first stage may comprise wrapping the central portion around the inner compartment on the openable end side.

  For a better understanding of the present invention and how it can be implemented, reference is now made to the accompanying drawings by way of example only.

It is a figure which shows embodiment of the method of assembling the packaging box which is embodiment of this invention from the continuous packaging blank which is one Embodiment of this invention. It is a figure which shows embodiment of the method of assembling the packaging box which is embodiment of this invention from the continuous packaging blank which is one Embodiment of this invention. It is a figure which shows embodiment of the method of assembling the packaging box which is embodiment of this invention from the continuous packaging blank which is one Embodiment of this invention. It is a figure which shows embodiment of the method of assembling the packaging box which is embodiment of this invention from the continuous packaging blank which is one Embodiment of this invention. It is a figure which shows embodiment of the method of assembling the packaging box which is embodiment of this invention from the continuous packaging blank which is one Embodiment of this invention. It is a figure which shows embodiment of the method of assembling the packaging box which is embodiment of this invention from the continuous packaging blank which is one Embodiment of this invention. It is a figure which shows embodiment of the method of assembling the packaging box which is embodiment of this invention from the continuous packaging blank which is one Embodiment of this invention. It is a figure which shows embodiment of the method of assembling the packaging box which is embodiment of this invention from the continuous packaging blank which is one Embodiment of this invention. It is a figure which shows embodiment of the method of assembling the packaging box which is embodiment of this invention from the continuous packaging blank which is one Embodiment of this invention. It is a figure which shows embodiment of the method of assembling the packaging box which is embodiment of this invention from the continuous packaging blank which is one Embodiment of this invention. It is a figure which shows embodiment of the method of assembling the packaging box which is embodiment of this invention from the continuous packaging blank which is one Embodiment of this invention. It is a figure which shows the partially opened packing box which is one Embodiment of this invention. It is a figure which shows the packaging box opened completely which is one Embodiment of this invention.

  FIG. 1 shows a packaging blank 100 that is an embodiment of the present invention that is suitable for folding into a packaging box 200 that is an embodiment of the present invention. The packaging box 200 is shown in FIG. 11 and FIGS. 2 to 10 show an intermediate stage in the process of assembling the packaging blank 100 into the packaging box 200.

  The packing blank 100 has a planar shape as a whole and is formed of a single continuous packing sheet. For example, the packaging material can be a flexible plastic or cardboard material such as the smoothly bendable board described and / or claimed in US Pat.

  The packaging blank 100 of FIG. 1 has several main parts, as will be further described below.

  A substantially rectangular panel 101 is provided. The panel 101 includes a first end portion 101b, a central portion 101a, and a second end portion 101c that are sequentially arranged with respect to the first direction. The panel 101 is elongated in the first direction.

  A first top panel 102 and a first bottom panel 103 are disposed on both sides of the first end portion 101 b of the panel 101. The first top panel 102 is connected to the first end portion 101b via a fold line 102a. The first bottom panel 103 is connected to the first end portion 101b via a fold line 103a. The fold lines 102a and 103a each extend in the first direction. The length of the fold lines 102a and 103a defines the length of the first end portion 101b. It can be considered that the first end portion 101b is connected to the central portion 101a with a straight line connecting both ends of the central portions of the folding lines 102a and 103a. The first top panel 102 and the first bottom panel 103 extend away from the respective folding lines 102a and 103a with respect to a second direction perpendicular to the first direction. Accordingly, the first top panel 102 and the first bottom panel 103 are separated in the second direction by the width of the first end portion 101b.

  The panel 101 has a pair of opposed edges, that is, a top edge 101d and a bottom edge 101e, which are spaced apart in the second direction and each extend in the first direction. The first top panel 102 is connected to the top edge portion 101d of the first end portion 101b through a fold line 102a. The first bottom panel 103 is connected to the bottom edge portion 101e of the first end portion 101b through a fold line 103a.

  The first top panel 102 has opposing edges 102b and 102c extending in the second direction. The edges 102b and 102c are spaced apart in the first direction. The first bottom panel 103 has opposing edges 103b and 103c extending in the second direction. The edges 103b and 103c are spaced apart in the first direction. The edge 103c is disposed closer to the central portion 101a than the edge 102c. The edge portion 103c is disposed closer to the central portion 101a than the edge portion 103b. The edge part 102c is arrange | positioned near the center part 101a rather than the edge part 102b.

  The first top panel tab 106 is connected to the first top panel 102 via a fold line 106a. The first top panel tab 106 extends away from the fold line 106a in the second direction. The fold line 106a faces the fold line 102a in the second direction. The fold lines 102a and 106a are separated from each other in the second direction. The fold line 106a extends in the first direction.

  The first top panel tab 106 extends along the first direction and has an edge 106b that faces the fold line 106a in the second direction. The edge 106b and the fold line 106a are spaced apart in the second direction.

  The first bottom panel tab 107 is connected to the first bottom panel 103 via a fold line 107a. The first bottom panel tab 107 extends away from the fold line 107a in the second direction. The fold line 107a faces the fold line 103a in the second direction. The folding lines 103a and 107a are spaced apart in the second direction. The fold line 107a extends in the first direction.

  The first bottom panel tab 107 has an edge 107b that extends in the first direction and faces the fold line 107a in the second direction. The edge 107b and the fold line 107a are separated from each other in the second direction.

  The respective edge portions 106b and 107b of the first top panel tab 106 and the first bottom panel tab 107 are shaped to engage with each other when the edge portions 106b and 107b are approximated in a plane.

  The respective edge portions 102c and 103c of the first top panel 102 and the first bottom panel 103 are not aligned in the first direction. The edge 102c of the first top panel 102 is curved and concave. The edge 103c of the first bottom panel 103 has a curved convex shape. In this embodiment, the edges 102c, 103c form a corresponding half of a semicircle.

  The edges 102b and 103b of the first top panel 102 and the first bottom panel 103 are aligned in the first direction. The edges 102b and 103b are curved convex shapes. In this embodiment, the edges 102b, 103b form a corresponding half of a semicircle.

  In this embodiment, the shapes and sizes of the edges 102b, 103b, 103c are the same.

  A second top panel 104 and a second bottom panel 105 are disposed on both sides of the second end portion 101 c of the panel 101. The second top panel 104 is connected to the second end portion 101c through a fold line 104a. The second bottom panel 105 is connected to the second end portion 101c through a fold line 105a. The length of the fold lines 104a and 105a defines the length of the second end portion 101c. The second end portion 101c may be connected to the central portion 101a by a straight line connecting both ends of the central portions of the folding lines 104a and 105a. The fold lines 104a and 105a each extend in the first direction. The second top panel 104 and the second bottom panel 105 each extend away from the respective fold lines 104a, 105a in the second direction. The second top panel 104 and the second bottom panel 105 are separated from each other in the second direction.

  The second top panel 104 is connected to the top edge portion 101d of the second end portion 101c via a fold line 104a. The second bottom panel 105 is connected to the bottom edge portion 101e of the second end portion 101c via a fold line 105a.

  The second top panel 104 has opposing edges 104b, 104c extending in the second direction. The edge portions 104b and 104c are separated from each other in the first direction. The second bottom panel 105 has opposing edges 105b and 105c extending in the second direction. The edge portions 105b and 105c are separated from each other in the first direction.

  The second top panel tab 108 is connected to the second top panel 104 via a fold line 108a. The second top panel tab 108 extends away from the fold line 108a in the second direction. The fold line 108a faces the fold line 104a in the second direction. The fold lines 104a and 108a are spaced apart in the second direction. The fold line 108a extends in the first direction.

  The second top panel tab 108 extends along the first direction and has an edge 108b that faces the fold line 108a in the second direction. The edge portion 108b and the fold line 108a are separated in the second direction.

  The second bottom panel tab 109 is connected to the second bottom panel 105 via a fold line 109a. The second bottom panel tab 109 extends away from the fold line 109a in the second direction. The fold line 109a faces the fold line 105a in the second direction. The fold lines 105a and 109a are separated from each other in the second direction. The fold line 109a extends in the first direction.

  The second bottom panel tab 109 has an edge 109b that extends along the first direction and faces the fold line 109a in the second direction. The edge 109b and the fold line 109a are spaced apart in the second direction.

  The second top panel tab 108 and the second bottom panel tab 109 are shaped and sized to engage each other.

  The respective edge portions 104c and 105c of the second top panel 104 and the second bottom panel 105 are aligned in the first direction. The edges 104c and 105c are curved convex shapes. The respective edge portions 104b and 105b of the second top panel 104 and the second bottom panel 105 are aligned in the first direction. The edges 104b and 105b are curved convex shapes. The shape and size of the edges 104b, 104c, 105b, 105c are the same. In this embodiment, the edges 104b, 104c, 105b, 105c have a semicircular shape.

  In this embodiment, the first bottom panel 103, the second top panel 104, and the second bottom panel 105 are all the same shape and size.

  The length of the panel 101 in the first direction is the length of the fold line 103a between the first bottom panel 103 and the first end portion 101b, the length of the edge 103c, the first bottom panel tab 107, The length of the fold line 107a between the first bottom panel 103, the length of the edge 103b, and the length of the fold line 105a between the second bottom panel 105 and the second end portion 101c. Equal to the sum.

  The length of the central portion 101a in the first direction is the length of the edge portion 103c, the length of the folding line 107a between the first bottom panel tab 107 and the first bottom panel 103, and the edge portion 103b. Equal to the sum of the lengths of

  The widths of the first top panel 102, the first bottom panel 103, the second top panel 104, and the second bottom panel 105 in the second direction are the same.

  The total width in the second direction of the first top panel tab 106 and the first bottom panel tab 107 is equal to the width of the first end portion 101 b of the panel 101.

  The total width in the second direction of the second top panel tab 108 and the second bottom panel tab 109 is equal to or greater than the width of the second end portion 101 c of the panel 101.

  The panel 101 does not have a fold line extending in the second direction. Accordingly, the central portion 101a is smoothly curved along the first direction while the blank is bent. The panel 101 does not have a fold line extending in the first direction. Panel 101 may be sufficiently flexible to bend along the first and / or second directions without being permanently deformed. This allows the central portion 101a to be smoothly curved along the first direction during bending of the blank.

  With the above configuration, the packaging blank 100 shown in FIG. 1 can be assembled into a packaging box 200 as shown in FIG. 11 by the steps shown in FIGS.

  In FIG. 2, the first bottom panel 103 is bent with respect to the first end portion 101b along the folding line 103a. The first bottom panel 103 is bent until it is perpendicular to the first end portion 101b. In FIG. 2, the first bottom panel tab 107 is bent along the bending line 107 a with respect to the first bottom panel 103. The first bottom panel tab 107 is bent until it is perpendicular to the first bottom panel 103.

  In FIG. 3, the first top panel 102 is bent with respect to the first end portion 101b along the folding line 102a. The first top panel 102 is bent until it is perpendicular to the first end portion 101b.

  In FIG. 4, the first top panel tab 106 is folded along the folding line 106 a with respect to the first top panel 102. The first top panel tab 106 is bent until it is perpendicular to the first top panel 102. In FIG. 4, the edge 106 b of the first top panel tab 106 is in mating contact with the edge 107 b of the first bottom panel tab 107. The edges 106b and 107b may or may not be bonded together. In the configuration shown, the edges 106b and 107b are formed to fit together to form a planar area of material, and the edges 106b and 107b are glued together using a fastening means such as adhesive tape. Can do. In another embodiment, the edges 106b and 107b may extend in an overlapping manner, and another fastening means such as an adhesive or one or more staples is used to secure the panel tabs 106 and 107 in an overlapping configuration. Can be done. Thereby, the inner compartment 201 is fitted with (or overlapped with) the first top panel tab 106 and the first bottom panel tab that are fitted (or overlapped) with one side wall formed by the first end portion 101b of the panel 101. Formed by a first top panel and a bottom panel 102, 103 having opposite side walls formed by 107. The first top panel 102 and the first bottom panel 103 have the same width in the second direction, and the first top panel tab 106 and the first bottom panel tab 107 have the width in the second direction. The total is equal to the width of the first end portion 101b of the panel 101, and the side walls of the inner compartment 201 are parallel to each other and the first top panel 102 and the first bottom panel 103, as shown in FIG. It can be arranged to be perpendicular to.

  In FIG. 5, the central portion 101 a of the panel 101 is smoothly bent along a part of the edge portion 103 c of the first bottom panel 103, so that the central portion is at least around the first bottom panel 103. 101a is wound. The central portion 101 a is in contact with a part of the edge portion 103 c of the first bottom panel 103. As a result, the edge 103 c of the first bottom panel 103 guides the winding of the central portion 101 a around the first bottom panel 103. In FIG. 5, the central portion 101a is smoothly bent along the first direction. The flexibility of the central portion 101a is such that the central portion 101a can be bent to a radius of curvature corresponding to the minimum radius of curvature of the edge 103c without providing a fold line.

  In FIG. 6, the central portion 101 a is further folded over the entire length around the edge 103 c of the first bottom panel 103, thereby contacting the first side panel tabs 106 and 107. The contact of the central portion 101a with at least the periphery of the edge 103c of the first bottom panel 103 is defined between the first top panel 102 and the first bottom panel 103 during winding. To prevent being drawn into the open space. Since the edges 102c, 103c of the first top panel 102 and the first bottom panel 103 are not aligned in the first direction, the central portion 101a is at least one of the edges 102c of the first top panel 102. Do not touch the part.

  In FIG. 7, the central portion 101 a of the panel 101 is smoothly bent along each of the edge portions 102 b and 103 b of the first top panel 102 and the first bottom panel 103. A part of the central part 101a is in contact with part of both edge parts 102b and 103b. Similarly to the situation shown in FIG. 5, the respective edges 102 b and 103 b of the first top panel 102 and the first bottom panel 103 are in the center around the first top panel and the first bottom panel 103. When the end portions 102b and 103b of the first top panel 102 and the first bottom panel 103 that guide the winding of the portion 101a are aligned in the first direction, the central portion 101a is at least a part of both edges 102b and 103b. Contact with. In FIG. 7, the central portion 101a is smoothly bent along the first direction. The flexibility of the central portion 101a is such that the central portion 101a can be bent to a radius of curvature corresponding to the minimum radius of curvature of the edge 103b or edge 102b without a fold line.

  In FIG. 8, the central portion 101a is further bent so as to extend along the entire length of the edges 102b and 103b. The contact between the central portion 101a and the periphery of at least the edge 103b of the first bottom panel 103 or the edge 102b of the first top panel 102 is between the first top panel 102 and the first bottom during winding. The central portion 101a is prevented from being drawn into the gap defined between the panel 103 and the panel 103. The second end portion 101c is in contact with the first end portion 101b, and thereby overlaps the first end portion 101b. The length of the panel 101 in the first direction is the sum of the length of the fold line 103a, the length of the end portion 103c, the length of the fold line 107a, the length of the end portion 103b, and the length of the fold line 105a. And the second end portion 101c completely overlaps the first end portion 101b. Needless to say, in a variant in which the edge 103b has a notch or notch, for example to provide a finger hole, the edge 103c and / or the length of each edge is wound by the central portion 101a. In between, it should be considered to include imaginary lines extending to bridge such notches as well as bridging notches.

  In FIG. 9, the second bottom panel 105 is bent with respect to the second end portion 101c along the folding line 105a. The second bottom panel 105 is bent until it is perpendicular to the second end portion 101 c and comes into contact with the first bottom panel 103. In FIG. 9, the second top panel 104 is bent with respect to the second end portion 101c along the fold line 104a. The second top panel 104 is bent until it is perpendicular to the second end portion 101 c and comes into contact with the first top panel 102. In this configuration, the top edge portion 101d and the bottom edge portion 101e of the central portion 101a are in contact with the surfaces of the second top panel 104 and the second bottom panel 105, respectively. The shape and size of the first bottom panel 103, the second top panel 104, and the second bottom panel 105 are the same, and the winding of the central portion 101a is guided by the edges 102b, 103b, 103c. In the configuration, the periphery of the second top panel 104 and the second bottom panel 105 is substantially aligned with the bent shapes of the edges 101d and 101e of the panel 101, respectively.

  In FIG. 10, the second bottom panel tab 109 is bent with respect to the second bottom panel 105 along a folding line 109a. The second bottom panel tab 109 is bent so as to be perpendicular to the second bottom panel 105, thereby contacting the central portion 101a.

  In FIG. 11, the second top panel tab 108 is folded with respect to the second top panel 104 along a fold line 108a. The second top panel tab 108 is bent until it is perpendicular to the second top panel 104. The sum of the widths of the second top panel tab 108 and the second bottom panel tab 109 in the second direction is equal to or larger than the width of the second end portion 101c, so that the second top panel tab 108 and the second bottom panel tab 108 have the same width. The panel tab 109 contacts each other at this stage. At this stage, the second top panel tab 108 and the second bottom panel tab 109 may be secured together by fastening means, for example by application of an adhesive or by use of staples or tape. Thereby, one side wall formed by the second end portion 101c of the panel 101, the opposite side wall formed by the fixed second top panel tab 108 and the second bottom panel tab 109, The outer cover 202 is formed by the second top panel 104 and the bottom panel 105 having the above. The second top panel tab 108 and the second bottom panel tab 109 are such that the side walls of the outer cover 202 are parallel to each other, parallel to the side walls of the internal compartment 201, and parallel to the central portion 101 a of the panel 101. Fixed to.

  FIG. 11 shows a completed packaging box 200 that is the result of the steps shown in FIGS. The packaging box 200 is formed of an inner compartment 201 (see FIG. 4), an outer cover 202, and a connecting member 203. The packaging box 200 has an openable end and an opposite closed end. Further, the packaging box 200 has a front end portion and a rear end portion on the opposite side. The inner compartment 201 includes a closed first state in which the inner compartment 201 is substantially accommodated in the outer cover 202, and a second state in which the inner compartment 201 extends partially through the outer cover 202. Configured to slide between. A closed first state is shown in FIG. 11, and an open second state is shown in FIG. FIG. 12 shows an intermediate state between the closed first state and the open second state.

  The connecting member 203 is formed from the central portion 101 a of the panel 101. The connecting member 203 is connected to the first end portion 101b that can be opened and closed, and is connected to the second end portion 101c on the closed side. The connecting member 203 is connected to the internal compartment 201 at the rear end portion and connected to the external compartment 203 at the rear end portion. The connecting member 203 goes back and forth between the inner compartment 201 and the outer cover 202. The connecting member 203 is wound around the inner section 201 and connected to the outer cover 202.

  The inner compartment 201 and a portion of the connecting member 203 cooperate to define the chamber. The inner compartment 201 and a portion of the connecting member 203 cooperate to define an opening 204 in the chamber. In the present embodiment, the opening 204 includes a top edge 101 d of the panel 101 that curves around the convex edge 103 c of the first bottom panel 103, and a concave edge 102 c of the first top panel 102. Is defined between. By appropriately selecting the shape and size between the convex edge portion 103c of the first bottom panel 103 and the concave edge portion 102c of the first top panel 102, the size and shape of the opening 204 are selected. Can be adjusted. The product can be contained in a chamber. The cross-section of the product can be the same shape and size as the size and shape of the opening 204, thereby allowing the product to be easily removed from the chamber through the opening 204.

  The first bottom panel 103, the second top panel 104, and the second bottom panel 105 are all the same shape and size. In this configuration, the first bottom panel 103, the second top panel 104 are the same. , And the second bottom panel 105 overlaps accurately. This embodiment thus forms a closed second state in which the product contained in the box can be accommodated substantially or completely.

  In FIG. 12, the inner section 201 (see FIG. 4) is partially translated in the extending direction of the second top panel 104 and the second bottom panel 105 with respect to the outer cover 202. Is partially exposed. Since at least the top and bottom edges 101d and 101e of the central portion 101a abut on the second top panel 104 and the second bottom panel 105, the central portion 101a becomes the second top due to the parallel movement of the internal compartment 201. Slide against the panel 104 and the second bottom panel 105. In this configuration, the connecting member 203 is further bent at the closed end, but at least partially from the edge 103b of the first bottom panel 103 as the inner compartment 201 translates out of the outer cover 202. Come to separate.

  FIG. 13 shows the packaging box 200 in a second open state. In the second opened state, a part of the connecting member 203 extending from the overlapping portion of the first top panel tab 106 and the first bottom panel tab 107 to the connecting portion to the second end portion 101c is stretched. Achieved when. Therefore, further translation of the internal compartment 201 is not possible. In this configuration, the opening 204 is completely exposed.

  The length of the panel 101 in the first direction is the sum of the length of the fold line 103a, the length of the edge portion 103c, the length of the fold line 107a, the length of the edge portion 103b, and the length of the fold line 105a. The connecting member 203 has a sufficient length such that the bending of the connecting member 203 allows a transition from the first state in which the packaging box is closed to the second state in which the packing box is open.

  The length in the first direction of the central portion 101a is equal to the sum of the length of the edge portion 103c, the length of the fold line 107a, and the length of the edge portion 103b. Due to the curvature of the member 203, the member 203 has a sufficient length so that it can be translated from the closed first state to the opened second state.

  The first end portion 101 b and the second end portion 101 c are curved to a minimum or not at all when the inner compartment 201 translates relative to the outer cover 202. However, the region of the second end portion 101c connected to the connecting member 203 will be further translated beyond the second state in which the user opens the internal compartment 201, particularly when the internal compartment 201 is translated. And can be curved when

  Since the panel 101 is bent without permanent deformation when the packaging box 200 transitions from the closed first state to the second opened state, the reverse of the steps shown and described with respect to FIG. It is. As shown in FIGS. 11, 12, and 13, the box returns to the closed first state without being permanently deformed.

  In one embodiment, the panel 101 is elastically bendable, thereby biasing the internal compartment 201 toward the closed first position when moving toward the open second position. Works.

  The contact between the edges 103b, 102b of each of the first bottom panel 103 and the first top panel 102 and the central portion 101a is reversed beyond the first state in which the inner compartment 201 is shown in FIG. Prevents translation in the direction.

  To fill the packaging box 200 with the product, the inner compartment 201 is at least partially translated relative to the outer cover 202 to expose the opening 204 at least partially (see, eg, FIGS. 12 and 13). As shown), the product is placed in the chamber through the opening 204.

  The product can be contained in the packaging box 200 by folding the packaging box 200 around the product. In one exemplary method, the first bottom panel 103 of the packaging blank 100 is kept horizontal. The product is then placed on the first bottom panel 103. Next, an internal compartment 201 is formed around the product according to the steps described above with reference to FIGS. After this stage, the product is at least partially placed in the inner compartment 201. Next, the central portion 101a and the second end portion 101c are wound around the inner compartment 201 so that the second end portion 101c is first in accordance with the steps described above with reference to FIGS. It is arranged with respect to the end portion 101b of. After this stage, the product is placed in a chamber formed by the inner compartment 201 and a part of the connecting member 203. Next, the outer cover 202 is formed according to the steps described above with reference to FIGS. 9-11 and houses the inner compartment. After this stage, the product is stored in the chamber of the packaging box. Alternatively, the first bottom panel 103 of the packaging blank 100 is not held horizontally, and the product may be separated from the inner compartment by contact with the surfaces of the first top panel 102 and the first bottom panel 103 or by external means. After the formation, the first bottom panel 103 and / or the second bottom panel 105 are held in contact with each other.

  In another method, the packaging blank 100 is folded according to the steps described above with respect to FIGS. 1-6 and then the product is at least partially disposed within the interior compartment 201. The remaining steps of forming the packaging box described above with reference to FIGS. 7-11 are then completed, thereby accommodating the product within the chamber of the packaging box 200.

  The above description is believed to be fully clear how the present invention can be directly implemented by one of ordinary skill in the art, but should be considered purely exemplary.

  In particular, there are many possible variations as will be appreciated by those skilled in the art. For example, it is possible to have a panel 101 that is not rectangular. In particular, the panel 101 can be square. Further, the panel 101 may not be elongated in the first direction but may be elongated in the second direction.

  First top panel 102; first bottom panel 103; second top panel 104; edges 102b, 102c of second bottom panel 105; 103b, 103c; 104b, each extending in a second direction 104c; 105b, 105c can each be in various shapes and sizes. These edges may be identical to each other or may have significantly different shapes. Edges corresponding to where the box is formed without substantial gaps are preferred. The edge can be curved, straight, or polygonal, but the edge of the curve is between the winding of the central portion 101a and the transition between the closed first state and the open second state; Is thought to help the most. The particular form of the edges 103c and 103b, 102b may define a curvature in the connecting member 203 on the openable side and the closed side, respectively, when the packaging box 200 is in the closed first state. The edge 103c may define the curvature of the openable connection member 203 in both the closed first state and the second open state. However, it is not essential that the connecting member 203 abuts on all or any one of the edges 103c, 103b, and 102b. In such an embodiment, the connecting member 203 abuts on the surface of the first bottom panel 103 on the openable side and / or the first top panel 102 and the first bottom panel 103 on the closed side. You can go back and forth between. In such embodiments, the length of the panel 101 in the first direction may be less than the length shown and described with respect to FIG.

  The first top panel tab 106 and the first bottom panel tab 107 may not have edges 106b, 107b shaped to fit together. The first top panel tab 106 and the first bottom panel tab 107 are formed so that the surfaces of the first top panel tab 106 and the first bottom panel tab 107 are the second top panel tab 108 and the second bottom panel tab. 109 can be shaped and dimensioned to come into contact with each other in a manner similar to 109. Accordingly, the surfaces of the first top panel tab 106 and the first bottom panel tab 107 can be bonded to each other.

  The panel 101 has a first half and a second half arranged in order with respect to the first direction, and the first half corresponds to half of the panel 101 having the first end portion 101b. The second half corresponds to half of the panel 101 having the second end portion 101c. In the embodiment described above, the panel 101 does not have a fold line across the panel in at least the second direction. However, in another embodiment, the panel 101 can have a fold line extending in the second direction. For example, the first half of the panel 101 can have one or more fold lines extending in the second direction. In particular, a fold line is attached to the first half of the central portion 101a of the panel 101. In this embodiment, the openable end side of the connecting member 203 may have two fold lines so that the connecting member 203 defines two right angles.

  The first bottom panel 103, the second top panel 104, and the second bottom panel 105 may be different sizes and shapes. For example, the second bottom panel 105 may be smaller than the first bottom panel 103 so as not to overlap the entire area of the first bottom panel 103.

  All of the above are fully within the scope of this disclosure, and are not limited to the specific combinations disclosed above, but are based on alternative embodiments to which one or more combinations of the above features apply. It is thought to form.

  The box of the present disclosure is easily assembled from blanks corresponding to manual, machine-assisted or automated formats and is economical in the use of materials. In addition, the packaging box provides improved appeal and a convenient opening sequence.

In light of this, there are many alternatives that implement the teachings of this disclosure. Those skilled in the art can modify and adapt the above disclosure to suit its circumstances and requirements within the scope of the invention, and are disclosed or this is the generality of those skilled in the art. In the light of knowledge. All such equivalents, modifications or adaptations are included within the scope of the invention and are defined and claimed.

100 packaging blank 101 panel 101 top edge 102 first top panel 103 first bottom panel 104 second top panel 105 second bottom panel 105 second panel 106 first top panel tab 107 first bottom Panel tab 108 Second top panel tab 109 Second bottom panel tab 200 Packing box 201 Internal compartment 202 Outer cover 203 Connecting member 204 Opening

Claims (59)

A packing box formed from a continuous packing blank, the packing box having an openable end and a closed end;
An internal compartment defining a first space for containing the product;
An outer cover defining a second space to accommodate the inner compartment;
A connecting member for connecting the inner compartment and the outer cover;
With
The internal compartment is disposed in the second space;
A closed first state, wherein the inner compartment is substantially contained within the outer cover, and the inner compartment is open extending partially through the outer cover on the openable end; Configured to slide between the second state, and
The packaging box, wherein the connecting member is configured to prevent the inner compartment from being completely removed from the outer cover. The internal compartment is
A first end portion of the continuous packing blank panel;
A first top panel of the continuous packing blank and a first of the continuous packing blank, disposed on opposite sides of the first end portion, each connected to the first end portion by a respective fold line. The bottom panel,
A first top panel tab of the continuous packing blank and a first bottom panel of the continuous packing blank, which are respectively connected to the first top panel and the first bottom panel by respective fold lines. Tabs,
With
The packaging box of claim 1, wherein the first top panel tab and the first bottom panel tab are engaged with each other.   The said internal division is a packaging box of Claim 1 or 2 which has an openable end part in the said openable end part and the said closing end part of the said packaging box.   4. The packaging box according to claim 2, wherein the connecting member does not abut an edge of the first top panel at the openable end, thereby defining an opening. 5.   The packaging box according to claim 2, 3 or 4, wherein edges of the first top panel and the first bottom panel on the openable end are not aligned with each other.   6. The packaging box according to claim 5, wherein an edge of the first top panel of the openable end is a concave shape, and an edge of the first bottom panel of the openable end is a convex shape. .   The packaging box according to claim 6, wherein the concave shape and the convex shape are semicircular.   The connecting member contacts the edge of the first bottom panel at the openable end, and does not contact the edge of the first top panel at the openable end, thereby opening the opening. The packaging box according to any one of claims 2 to 7, wherein the packaging box is defined.   The connecting member includes a length of an edge of the first bottom panel on the openable end, and a length of a fold line between the edge of the first bottom panel tab and the first bottom panel. And a connecting portion between the inner compartment and the connecting member, the outer cover, and the connecting member, which is equal to the total length of the edge of the first bottom panel on the closed end. The packaging box as described in any one of Claims 2-8 which has length from the connection part between. The outer cover is
A second end portion of the continuous packing blank panel;
A second top panel of the continuous packing blank and a second of the continuous packing blanks disposed on opposite sides of the second end portion, each connected to the second end portion by respective fold lines. Two bottom panels,
A second top panel tab of the continuous packing blank and a second bottom panel of the continuous packing blank, which are respectively connected to the second top panel and the second bottom panel by respective fold lines. Tabs,
With
The packaging box according to any one of claims 1 to 9, wherein the second top panel tab and the second bottom panel tab are engaged with each other. The outer cover is
A second end portion of said continuous packing blank panel;
A second top panel of the continuous packing blank and a second of the continuous packing blanks disposed on opposite sides of the second end portion, each connected to the second end portion by respective fold lines. Two bottom panels; and
A second top panel tab of the continuous packing blank and a second bottom panel of the continuous packing blank, which are respectively connected to the second top panel and the second bottom panel by respective fold lines. tab;
With
The second top panel tab and the second bottom panel tab engage each other;
The packaging box according to any one of claims 2 to 9, wherein edges of the second top panel and the first bottom panel on the openable end are aligned with each other.   The packaging box according to claim 11, wherein the first bottom panel, the second top panel, and the second bottom panel have the same shape.   The packaging box according to any one of claims 10 to 12, wherein the outer cover has an open end at the openable end and the closed end of the packing box.   14. The connection member according to claim 11, wherein the connecting member is formed as a central portion of a panel of the continuous packing blank adjacent to the first end portion and adjacent to the second end portion. Packing box as described.   The packaging box according to claim 14, wherein the connecting member is connected to the first end portion on the openable / closable side and is connected to the second end portion on the closing side.   The packaging box has a front end portion and a rear end portion, and the connecting member is connected to the inner section of the rear end portion and connected to the outer cover of the rear end portion. The packaging box as described in any one of -15.   The packaging box according to claim 16, wherein the connecting member goes back and forth between the inner section of the front end portion and the outer cover of the front end portion.   The packaging box according to any one of claims 1 to 17, wherein the connecting member is configured to bend at the closed end.   The packaging box according to any one of claims 1 to 18, wherein the central portion is elastically bendable.   The length of the connecting member from the connecting portion between the inner compartment and the connecting member and the connecting portion between the outer cover and the connecting member is from the closed end to the openable end. The length of the inner compartment of the first and the total length of the inner compartment twice as long as the width of the inner compartment in a direction perpendicular to the line connecting the closed end and the openable end. A packaging box according to any one of the above. A continuous packing blank to form a packing box,
A panel having a first end portion, a central portion, and a second end portion arranged in order with respect to the first direction;
A first top panel and a first bottom panel disposed on opposite sides of the first end portion, each connected to the first end portion by a respective fold line; Each of the panel and the first bottom panel extends away from the respective fold line with respect to a second direction perpendicular to the first direction. The first top panel and the first bottom panel ;
A first top panel tab and a first bottom panel tab connected to each of the first top panel and the first bottom panel by respective fold lines, the first top panel tab and Each of the first bottom panel tabs extending away from the respective fold line with respect to the second direction; a first top panel tab and a first bottom panel tab;
A second top panel and a second bottom panel, disposed on opposite sides of the second end portion, each connected to the second end portion by a respective fold line; A second top panel and a second bottom panel extending away from a respective fold line with respect to the second direction; and a panel and the second bottom panel; and
A second top panel tab and a second bottom panel tab connected to the second top panel and the second bottom panel, respectively, by respective folding lines, the second top panel tab and Each of the second bottom panel tabs extending away from the respective fold line along the second direction; a first top panel tab and a first bottom panel tab;
With
The length of the panel in the first direction is 2 of the length of the fold line between the first bottom panel and the first end portion, and the width of the first bottom panel in the second direction. A continuous packaging blank characterized in that it is twice the length and greater than the sum of the lengths of the fold lines between the first bottom panel tab and the first bottom panel.   The length of the panel in the first direction is twice the length of the fold line between the first bottom panel and the first end portion, and the length in the second direction. The length of the bottom panel of 1 and the total length of the fold line between the first bottom panel tab and the first bottom panel is equal to or greater than twice the width of one bottom panel. Continuous packing blank.   The fold line between the first bottom panel tab and the first bottom panel has the same length as the fold line between the first bottom panel and the first end portion, The length of the panel in one direction is three times the fold line between the first bottom panel and the first end portion, and the length of the first bottom panel in the second direction. The continuous packing blank according to claim 21 or 22, wherein the continuous packaging blank is equal to or more than the sum of the length twice the width.   The length of the panel in the first direction is equal to or less than the sum of the perimeter of the first bottom panel and the length of the folding line between the first bottom panel and the first end portion. 24. A continuous packing blank according to claim 21, 22 or 23.   The sum of the widths of the first top panel tab and the first bottom panel tab in the second direction is at least equal to the width of the panel in the second direction. The continuous packing blank as described in the item.   26. The sum of the widths of the second top panel tab and the second bottom panel tab in the second direction is at least equal to the width of the panel in the second direction. The continuous packing blank as described in the item.   27. A continuous packaging blank according to any one of claims 21 to 26, wherein the length of the first top panel tab and the length of the first bottom panel tab in the first direction are the same.   28. A continuous packaging blank according to any one of claims 21 to 27, wherein the length of the second top panel tab and the length of the second bottom panel tab in the first direction are the same.   The first bottom panel, the second top panel, and; The continuous packaging blank according to any one of claims 21 to 28, wherein the second bottom panel has the same shape.   A length of a fold line between the first bottom panel and the first end portion, a length of a fold line between the first bottom panel tab and the first bottom panel, the second The length of the fold line between the bottom panel and the second end portion and the length of the fold line between the second bottom panel tab and the second bottom panel are the same. A continuous packing blank according to any one of claims 21 to 29.   The panel has a first half and a second half arranged in order with respect to the first direction, the first half being half of the panel having the first end portion. The second half corresponds to a half of the panel having the second end portion, and the second half has no fold line extending in the second direction. 31. A continuous packaging blank according to any one of claims 21 to 30.   32. A continuous packaging blank according to any one of claims 21 to 31, wherein the panel does not have any fold lines extending in the second direction.   The panel has a first half and a second half arranged in order with respect to a first direction, the first half corresponding to half of the panel having the first end portion. The second half corresponds to half of the panel having the first end portion, the first half having one or more fold lines extending in the second direction. The continuous packaging blank according to any one of claims 21 to 31.   34. The continuous packaging according to any one of claims 21 to 33, wherein an edge of the first top panel and an edge of the first bottom panel facing the center portion are not aligned with each other. blank.   35. The edge of the first top panel and the edge of the first bottom panel, facing outward from the central portion, are aligned with each other. Continuous packing blank.   36. The edge of the second top panel and the edge of the second bottom panel, facing outward from the central portion, are aligned with each other. Continuous packing blank.   37. A continuous package according to any one of claims 21 to 36, wherein an edge of the second top panel and an edge of the second bottom panel facing the central portion are aligned with each other. blank.   38. The edge of the first bottom panel facing the central portion is concave, and the edge of the first top panel facing the central portion is convex. Continuous packing blank as described in   39. A continuous packing blank according to claim 38, wherein the concave and convex shapes are semicircular.   The first top panel tab and the first bottom panel tab are engageable with each other, and the second top panel tab and the second bottom panel tab are engageable with each other. The continuous packaging blank according to any one of claims 21 to 39.   41. The edges of the first top panel tab and the first bottom panel tab that oppose the fold line in the second direction are shaped to mesh with each other. The continuous packing blank as described in the item.   42. A continuous packing blank according to any one of claims 21 to 41, wherein the panel is elongated in the first direction.   43. A continuous packaging blank according to any one of claims 21 to 42, wherein the length of the panel in the first direction is at least twice the width of the panel in the second direction.   44. A continuous packaging blank according to any one of claims 21 to 43, wherein the length of the panel in the first direction is three times the width of the panel in the second direction.   The first top panel, the first bottom panel, the second top panel, and the second bottom panel are elongated in the first direction, according to any one of claims 21 to 44. Continuous packing blank as described.   The length of the first top panel, the length of the first bottom panel, the length of the second top panel, and the length of the second bottom panel in the first direction are: The width of the first top panel, the width of the first bottom panel, the width of the second top panel, and the width of the second bottom panel in the second direction, respectively. The continuous packaging blank according to any one of claims 21 to 45, which is as described above.   The length of the central portion in the first direction is the length of the edge of the first bottom panel facing the central portion, between the first bottom panel tab and the first bottom panel. 47. A continuous packaging blank according to any one of claims 21 to 46, which is equal to the sum of the length of the fold line and the length of the edge of the first bottom panel facing away from the central portion. . A method of forming a packing box from a continuous packing blank according to any one of claims 21 to 47,
Forming an internal compartment by engaging the first top panel tab and the first bottom panel tab;
Wrapping the central portion and the second end portion around the inner compartment so that the second end portion abuts the first end portion; and
Forming an outer cover surrounding the inner compartment by engaging the second top panel tab and the second bottom panel tab;
A method comprising: Forming the internal compartment comprises:
Folding along a fold line between the first top panel and the first end and along a fold line between the first bottom panel and the first end; and
Folding along a fold line between the first top panel tab and the first top panel and along a fold line between the first bottom panel tab and the first bottom panel;
49. The method of claim 48, further comprising: Forming the outer cover comprises:
Folding along a fold line between the second top panel and the second end and along a fold line between the second bottom panel and the second end; and
Folding along a fold line between the second top panel tab and the second top panel and along a fold line between the second bottom panel tab and the second bottom panel;
50. The method of claim 48 or 49, further comprising:   Edges of the first top panel tab and the first bottom panel tab facing the fold line in the second direction are shaped to mesh with each other, and the first top panel tab and the first bottom panel tab Engaging the first bottom panel tab comprises engaging the edges of the first top panel tab and the first bottom panel tab facing the fold line in the second direction with each other. 51. A method according to claim 48, 49 or 50.   The central portion has a first half and a second half arranged in order with respect to a first direction, the first half being adjacent to the first end portion. Corresponding to half of the portion, the second half corresponding to half of the central portion adjacent to the second end portion, and the second half extending in the second direction The step of wrapping the central portion around the inner section without a fold line does not comprise the step of folding the second half along a fold line extending in a second direction. 50. A method according to any one of 50. A method of packing a product in a packing box formed from the continuous packing blank according to any one of claims 21 to 47,
Placing the product on the first bottom panel or the first top panel;
Forming an internal compartment by engaging the first top panel tab and the first bottom panel tab, whereby the product is at least partially disposed within the internal compartment. ;
Wrapping the central portion and the second end portion around the inner compartment so that the second end portion abuts the first end portion; and
Forming an outer cover surrounding an internal compartment by engaging the second top panel tab and the second bottom panel tab;
A method comprising:   54. The method of claim 53, wherein during the step of forming the internal compartment, the first bottom panel or the first top panel on which the product is placed is kept horizontal.   54. The method of claim 53, wherein the first bottom panel or the first top panel on which the product is placed is kept horizontal during the step of forming the inner compartment and winding the central portion.   During the step of forming the inner compartment, the step of winding the central portion, the step of forming the outer cover, the first bottom panel or the first top panel on which the product is placed is kept horizontal, 54. The method of claim 53. A method of packing a product in a packing box formed from the continuous packing blank according to any one of claims 21 to 47,
Forming an internal compartment by engaging the first top panel tab and the first bottom panel tab;
Placing the product at least partially within the interior compartment;
Wrapping the central portion and the second end portion around the inner compartment so that the second end portion abuts the first end portion; and
Forming an outer cover surrounding the inner compartment by engaging the second top panel tab and the second bottom panel tab;
A method comprising:   58. The method of claim 57, wherein the winding step is performed in two stages, and the step of placing the product at least partially within the inner compartment is performed between the two stages.   59. The method of claim 58, wherein the first stage comprises winding the central portion toward the openable end.

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