KR20080107815A - Package box and box blanks - Google Patents

Abstract

A packaging box and a blank for manufacturing the box are provided, in which the corner part of the box has the incline of the chamfering shape to improve sealing. A packaging box and a blank for manufacturing the box are constituted as follows. A side wall of the packaging box is formed. Eight rectangular elements(11,12,13) are extended to the rectangular stationary tongue(19). Elements are connected by the first fold line which is mutually parallel. Four major elements are divided into two by the middle element. The side flap of the first set is arranged in one side of the major element. Side flaps of the first sets comprise an inner folding flap and an outer folding flap. The inner folding flap is formed of an incline.

Description

Packing box and box blanks {Package box and Box Blanks}

1 is a perspective view showing a fully assembled packaging box of the present invention.

Figure 2 is an exploded view showing a blank for assembling the box of the present invention.

FIG. 3 is a front view showing a packaging box in a semi-processed state in which one end of the blank of FIG. 2 is bonded to the tongue and folded in half.

4 is a perspective view showing a state in which the bottom surface is assembled to expand the packaging box of the semi-finished state of FIG.

<Description of the symbols for the main parts of the drawings>

11-18: 8 rectangular elements 19: fixed tongue

10a to 10h: First fold line 21, 23, 25, 27: First set of side flaps

20a-20d: Second fold line 31, 33, 35, 37: Second set side flap

30a ~ 30d: third fold line

BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to packaging boxes and blanks for manufacturing boxes, and more particularly, to packaging boxes made of cardboard, corrugated cardboard or similar sheet material, and to boxing blanks for producing the packaging boxes.

In general, to store and transport a variety of products such as home appliances, agricultural and aquatic products are packed in a packaging box to prevent damage and damage caused during transportation.

These packaging boxes are usually made of materials such as corrugated cardboard and synthetic resins (hereinafter referred to as box plates), or boxes made of corrugated cardboard are mainly used according to functions such as cost reduction, light transportability, ease of use, and reuse. .

As is known, the packing box is formed by cutting a plate having a predetermined thickness into a box-shaped development view and then assembling it again with bending.

The box is configured to cover the upper and lower portions of the body plate constituting the left and right front and rear side plates, each of the lid wings that are bent in each side plate portion, and these wings are composed of an outer wing that is located outside and the inner wing that is folded into the inner side of the outer wing. .

In other words, by folding the body plate to form a rectangular body portion, and combined the ends of the body plate by fastening and stapling to form a rectangular tube, and the inner wing of the upper and lower parts to be folded into the inner side and folded into the outside of the inner wing The outer wings become folded.

And the product packaging box is provided by putting the article on the bottom of the folded inner blade in the open state and then folding the upper lid in the order of the inner blade and the outer wing to assemble and seal.

In order to prevent the lid from being opened and increase the firmness, the lid is attached to the end surface to which the outer wing of the lid is connected or attached with an adhesive tape to increase the safety and then transported.

Such a conventional packing box is manufactured in a rectangular parallelepiped shape having four sides forming a volume portion having a square or rectangular cross section parallel to the bottom, and two adjacent sides are orthogonal to each other and have corners perpendicular to the bottom of the case. To form.

However, such a conventional packing box has a circular section such as a bottle when the contents to be packaged inside have a circular cross section, so that a blank space is generated between the corner part and the contents, and the contents are not tightly adhered to the packaging box and flow is difficult to transport. There was an unstable problem.

In addition, the conventional packaging box has a problem that protrudes the corner portion is easily broken by an external impact to protect the contents.

In addition, the corner of the empty box is an unnecessary space, and there is a problem that wastes the box material.

In addition, there is a problem that it is difficult to load a large amount of boxes in the vertical direction because it is not robust to the vertical load.

An object of the present invention for solving the conventional problems as described above is to provide a packaging box and a blank for manufacturing the box so that the corner portion has a chamfered inclined surface in order to increase the adhesion between the packaging object and the box.

Another object of the present invention is to provide a packaging box and a blank for manufacturing a box, the corner portion of the box is not easily broken by an external impact, and having a rigid structure against the vertical load.

Still another object of the present invention is to provide a packaging box and a blank for manufacturing a box to minimize unnecessary space at the box corner and to be easily removed without using a separate mold.

The box-making blank according to the invention for achieving the above object comprises a continuum of eight rectangular elements which form the sidewalls of the packaging box and extend up to the rectangular stationary tongue, the elements forming the sidewalls parallel to each other. Connected by one fold line, that is, the four main elements are separated by two by an intermediate element, and the first set of side flaps are arranged on one side of the main element and on a second fold line perpendicular to the first fold line. A blank, which is connected to the main elements by means of at least partially forming the bottom of the packaging box,

The first set of side flaps are formed of an inscribed flap and an outer flap according to the order in which the pair of flaps are alternately arranged, and the inscribed flap has an inclined surface inclined from the second fold line to the left and right sides of the flap. The length of the inclined surface is formed to be the same length as the width of the intermediate element.

And, the blank is characterized in that the cutting by pressing.

Here, the inclined surface of the inscribed flap is characterized in that the inclined surface 45 °.

In addition, the inner circumferential flap is formed to extend so that the inscribed flap is in contact with the flap, the circumscribed flap forms a 45 ° inclined surface inclined from the second fold line to the left and right sides of the flap, the length L3 of the inclined surface is the inscribed flap It is characterized by the following formula for the inclined surface length L2. L2: L3 = 10: 4.14 ........... (Equation 1)

In addition, the width length L1 of the intermediate elements is characterized in that the width length of the major elements less than L4, L5.

Here, when the blank is folded along the first and second fold lines to form a packaging box, the inscribed inscribed sides of the flap and the vertical surface extending to the inclined surface are aligned with the outer flap at both side walls of the packaging box. In the process of matching with the inner wall of the packaging box by the external force applied in the folding direction is characterized in that the outer appearance of the packaging box to be completed, maintained so that the circumscribed end face of the flap is taped.

In addition, the sum of the vertical lengths of the abutted flaps is less than or equal to the short width direction length of the packaging box.

The blank as mentioned above is arranged on the other side of the main elements forming the side wall and connected to the main elements by a third fold line perpendicular to the first fold line and at least partially forming the lid of the packaging box. And a second set of side flaps.

The second set of side flaps and the first set of side flaps are symmetrical.

The packaging box according to the invention for achieving the object of the present invention comprises a continuum of eight rectangular elements which form the sidewalls of the box and extend up to the rectangular fixing tongue, the elements being parallel to each other to form the sidewalls. Connected by a first fold line, that is, the four major elements are separated by two by an intermediate element, and the first set of side flaps are disposed on one side of the major element and are perpendicular to the first fold line A packaging box formed from a blank which is connected to major elements by means of at least partially forming the bottom of the packaging box,

The first set of side flaps is formed of an inscribed flap and an outer flap according to the order in which they are alternately arranged, and the inscribed flap has an inclined surface inclined from the second fold line to the left and right sides of the flap. The length L2 of the inclined surface is formed to be the same length as the width L1 of the intermediate element, and the tubular continuum is formed by adhering the fixed tongue of the blank and the element at one end of the continuous rectangular element. The cylindrical continuous body is folded in half along the folding direction of the first fold line so as to be introduced into the box-making process in the form of a plate.

Here, the blank is characterized in that the cutting by pressing.

And, the decontamination step is a step of unfolding the continuum folded in half in a substantially rectangular shape, and the inscribed flap of the first set of side flaps to form a bottom portion of the continuum unfolded in a rectangular shape 90 ° inward into the rectangular space The folding step and the two indentations forming the sidewalls of the flap are pressed against each other in opposite directions so that the inscribed indentations are aligned with the inner walls of the continuum, the left and right inclined surfaces of the flap and the vertical surfaces extending on the inclined surfaces. In the process, the remaining unfolded first fold line is folded to complete and maintain the appearance of the packaging box, and the process of allowing the tangled end face of the flap to be taped in the state that the appearance of the packaging box is maintained. It is characterized by including.

Here, the sum of the vertical lengths of the abutted flaps is less than or equal to the minimum short width direction of the packaging box.

In addition, the inclined surface of the inscribed flap is characterized in that the inclined surface 45 °.

At this time, the circumscribed flap forms a 45 ° inclined surface inclined from the second fold line to the left and right sides of the flap, wherein the length L3 of the inclined surface is characterized by the following equation for the inclined surface length L2 of the inscribed flap. . L2: L3 = 10: 4.14 ........... (Equation 1)

The width L1 of the intermediate elements is less than the width L4, L5 of the major elements.

Here, the blank is of a second set arranged on the other side of the main elements forming the sidewall and connected to the main elements by a third fold line perpendicular to the first fold line and at least partially forming a lid of the packaging box. And a side flap.

The second set of side flaps and the first set of side flaps are symmetrical.

Hereinafter, with reference to the accompanying drawings for a preferred embodiment of the present invention will be described in detail.

1 is a perspective view showing a fully assembled state of the packaging box of the present invention, the packaging box according to the present invention as shown in the figure is to form a 10-sided body forming the inclined surface of the edge of the box.

The packaging box as described above is manufactured and assembled in the form of a blank using cardboard, corrugated cardboard or similar sheet material. In this case, when the blank or shape is complicated, the blank may be machined by pressing.

2 is a development view showing a blank for assembling the box of the present invention.

The blank as seen in the figure comprises a continuum of eight rectangular elements 11, 12, 13, 14, 15, 16, 17, 18 that form the side walls of the packaging box and extend up to the rectangular stationary tongue 19. .

In addition, each element is formed by the first folding lines (10a to 10h) parallel to each other to form the side wall, the four major elements (11, 13, 15, 17) are intermediate elements (12, 14, 16, Separated by two by 18).

At this time, the first set of side flaps 21, 23, 25, and 27 are disposed on one side of the major elements 11, 13, 15, and 17 to form the bottom of the box. The second folding lines 20a, 20b, 20c, and 20d perpendicular to 10h are connected to the major elements 11, 13, 15, and 17.

In addition, the second set of side flaps 31, 33, 35, 37 are arranged on the other side of the major elements 11, 13, 15, 17 to form the lid of the box, the first fold lines 10a through. The first folding lines 30a, 30b, 30c and 30d perpendicular to 10h) are connected to the major elements 11, 13, 15 and 17.

Here, the second set of side flaps 31, 33, 35, 37 and the first set of side flaps 21, 23, 25, 27 may be manufactured in a symmetrical structure.

In such a symmetrical structure, the box has the advantage of not having to separate the top and bottom of the bottom when removing the box, there is an advantage that the operation is easy and quick.

Of course, in some cases, the structure of the second set of side flaps 31, 33, 35, 37, that is, the lid portion, may be different from that of the bottom portion.

Here, the first set of side flaps 21, 23, 25 and 27 may be divided into an inscribed flap 21 and 25 and an outer flap 23 and 27 according to the order in which the pair is alternately arranged. It becomes possible.

In this case, since the first set of side flaps 21, 23, 25, 27 and the second set of side flaps 31, 33, 35, 37 are symmetrical structures, the first set of side flaps 21, 23 Only the structure of (25,27) will be described.

The inscribed flaps 21 and 25 form an inclined surface that is inclined to the left and right sides of the flap from the second fold lines 20a and 20c, and the length L2 of the inclined surface is the intermediate element 12, 14, 16 or 18. It is important to form such that it is the same length as the width L1 of the width).

This is to serve as a template for the inscribed flaps 21 and 25 to have the outer shape of the box in the removal process.

FIG. 3 is a front view illustrating a packaging box in a semi-processed state in which one end of the blank of FIG. 2 is bonded to the tongue and folded in half.

As shown in the figure, the blank is joined to the fixed tongue 19 and the element 18 at one end of the continuous rectangular element by using an adhesive or the like to form a cylindrical continuum, and then the cylindrical continuum is first folded. Fold in half along the folding direction of the line so that it is put into the box-making process in the form of a plate.

4 is a perspective view showing a state in which the bottom surface is assembled to expand the packaging box of the semi-finished state of FIG.

Referring to the drawing, the process for removing the packaging box of the present invention, first, as shown in Figure 3 to perform the process of unfolding the continuum folded in half in a substantially rectangular form.

At this time, the process may be performed by applying a tension force to pull the left and right side walls on the basis of the folding surface, the tension force at this time may be acted to be spread out at an angle of 90 ° around the outer axis of the fold line at one end of the folded box. However, the unfolding action of the box is to maintain a substantially rectangular shape, the bent shape of each corner portion is to take an incomplete state.

Next, the inner flap 21, 25 of the first set of side flaps 21, 23, 25, 27 are folded 90 degrees into the rectangular space to form the bottom portion of the continuous body unfolded in a square shape as described above. Perform the process. At this time, one surface of the inner flap flaps 21 and 25 is in contact with the inner wall of the continuum.

Next, the two indentations 13 and 17 forming the sidewalls of the folded inscribed flaps 21 and 25 are pressed against each other in opposite directions, and the left and right inclined surfaces of the folded inscribed flaps 21 and 25 and the The vertical plane extending to the inclined surface is completely aligned with the inner walls of the continuum.

In this process, the remaining unfolded first fold lines are automatically folded according to the shape of the inner flaps 21 and 25 to complete and maintain the appearance of the packaging box.

At this time, the outer circumference is brought into abutment of the flaps (23,27) in the state that the pressing force is maintained, and the abutted end face is taped.

Here, the external flaps 23 and 27 may be brought into contact with each other before the pressing force is applied.

At this time, the sum of the vertical lengths of the abutted flaps 21, 25 or 23, 27 should be less than or equal to the minimum length in the short width direction of the packaging box.

In order to make the corner portion of the packaging box completed through the above-described boxing process to form a 45 ° inclined surface, the inclined surfaces of the inner flap (21, 25) is manufactured to form a 45 ° inclined surface.

That is, when the length L2 of the inclined surfaces of the inscribed flaps 21 and 25 and the width L1 of the intermediate elements 12, 14, 16 and 18 are the same, the inclined surfaces of the inscribed flaps 21 and 25 are the same. The angle determines the inclination of the edges of the packaging box.

In addition, the circumferential flap (23, 27) is to be folded on the upper surface of the inner fold flap (21, 25), it is preferable to form the shape of the aesthetical corner portion to match the shape of the corner of the box, the corner of the packaging box In the case where the part and the inner circumference form a 45 ° inclined plane in the same manner as the inclined planes of the flaps 21 and 25, as can be seen from the detailed view of FIG. 2, the length L3 of the inclined plane is the inclined plane of the inscribed flaps 21 and 25. The following equation holds for the length L2.

L2: L3 = 10: 4.14 ........... (Equation 1)

The present invention is to form the width (L1) of the intermediate elements (12, 14, 16, 18) forming the corner portion less than the width (L4, L5) of the major elements (11, 13, 15, 17) It is preferable.

Embodiments of the invention as described through the detailed description of the invention described above are merely illustrative and should not be construed as limiting the scope of the invention.

As this can be modified and modified in various forms by those skilled in the art to which the present invention pertains, the true technical scope of the present invention should be determined only by the claims.

The present invention as described above has the effect that the corner portion of the box for packaging to form a chamfered inclined surface, thereby increasing the adhesion between the object to be packaged and the box to make a solid packaging.

In addition, the present invention is not only the corner portion of the box is not easily damaged by the external impact, but also has the effect of increasing the amount of loading of the box by acting as a reinforcement for the load in the vertical direction.

In addition, the present invention has the effect of reducing the material by minimizing unnecessary space at the box corner.

In addition, the present invention can be easily restrained without using a separate mold, so that the work process is easy and the production efficiency is increased.

Claims (18)

A continuum of eight rectangular elements 11, 12, 13, 14, 15, 16, 17, 18 that form the sidewalls of the packaging box and extend up to the rectangular anchoring tongue 19, the elements forming the sidewalls. Connected by the first fold lines 10a to 10h parallel to each other, that is, the four main elements 11, 13, 15, and 17 are separated by two by the intermediate elements 12, 14, 16, and 18. The first set of side flaps 21, 23, 25, 27 is disposed on one side of the major elements 11, 13, 15, 17 and is a second fold line perpendicular to the first fold lines 10a to 10h. In a blank which is connected to major elements 11, 13, 15, 17 by (20a, 20b, 20c, 20d) and at least partially forms the bottom of the packaging box, The first set of side flaps 21, 23, 25, 27 is composed of an inscribed flap 21, 25 and an outer flap 23, 27 in an order of alternating pairs of abutment, The inscribed flaps 21 and 25 form an inclined surface that is inclined to the left and right sides of the flap from the second fold lines 20a and 20c, and the length L2 of the inclined surface is the intermediate element 12, 14, 16, 18. The blank characterized in that it is formed to be the same length as the width (L1) of the width. The method of claim 1, The blank is the step of cutting by the press blank. The method of claim 1, The blank characterized in that the inclined surface of the inscribed flap (21, 25) forms a 45 ° inclined surface. The method of claim 3, The outer circumferential flaps 23 and 27 are extended to contact the inner fold flaps 21 and 25, and the circumferential flaps 23 and 27 extend from the second fold lines 20b and 20d to the left and right sides of the flap. A blank, characterized in that for forming an inclined 45 ° inclined surface, the length (L3) of the inclined surface with respect to the inclined surface length (L2) of the inscribed flaps (21,25). L2: L3 = 10: 4.14 ........... (Equation 1) The method of claim 1, A blank, characterized in that the width (L1) of the intermediate elements (12, 14, 16, 18) is less than the width (L4, L5) of the major elements (11, 13, 15, 17). The method of claim 1, When the blank is folded along the first and second fold lines to form a packaging box, the inscribed inscribed inner and outer inclined surfaces of the flaps 21 and 25 and the vertical surface extending to the inclined surface are circumscribed on both side walls of the packaging box. The outer shape of the packaging box is completed and maintained in the process of registration with the inner wall of the packaging box by the external force applied in the abutting direction of the flaps 23 and 27 so that the circumferential edges of the flaps 23 and 27 are tapered. Blank characterized in that the. The method of claim 6, A blank characterized in that the sum of the vertical lengths of the abutted flaps (21, 25 or 23, 27) is less than or equal to the short width direction length of the packaging box. The method according to any one of claims 1 to 7, The blanks are arranged on the other side of the major elements 11, 13, 15, and 17 forming the sidewalls and are separated by the third fold lines 30a, 30b, 30c, 30d perpendicular to the first fold line. And a second set of side flaps (31,33,35,37) connected to the 13,15,17 and at least partially forming the lid of the packaging box. The method of claim 8, Blank, characterized in that the second set of side flaps (31,33,35,37) and the first set of side flaps (21,23,25,27) are symmetrical. A continuum of eight rectangular elements 11, 12, 13, 14, 15, 16, 17, 18 that form the sidewalls of the packaging box and extend up to the rectangular anchoring tongue 19, the elements forming the sidewalls. Connected by the first fold lines 10a to 10h parallel to each other, that is, the four main elements 11, 13, 15, and 17 are separated by two by the intermediate elements 12, 14, 16, and 18. The first set of side flaps 21, 23, 25, 27 is disposed on one side of the major elements 11, 13, 15, 17 and is a second fold line perpendicular to the first fold lines 10a to 10h. A packaging box formed from a blank connected to major elements 11, 13, 15, 17 by (20a, 20b, 20c, 20d) and at least partially formed to form the bottom of the packaging box, The first set of side flaps 21, 23, 25, 27 is composed of an inscribed flap 21, 25 and an outer flap 23, 27 in an order of alternating pairs of abutment, The inscribed flaps 21 and 25 form an inclined surface that is inclined to the left and right sides of the flap from the second fold lines 20a and 20c, and the length L2 of the inclined surface is the intermediate element 12, 14, 16, 18. It is formed so as to be the same as the length (L1) of the width, and the fixed tongue 19 of the blank and the element 18 at one end of the continuous rectangular element is bonded to form a cylindrical continuum, the cylindrical The packaging box, characterized in that to fold the continuum in half along the folding direction of the first fold line to be put into the box removing process in the form of a plate. The method of claim 10, The blank is a packaging box, characterized in that the cutting by pressing. The method of claim 10, The decontamination step is a step of unfolding the continuum folded in half in a substantially square shape, Folding an inscribed flap (21, 25) 90 degrees into a rectangular space from among the first set of side flaps (21, 23, 25, 27) to form a bottom portion of the continuous body unfolded in a rectangular shape; The folded inner fold presses two main elements 13 and 17 forming the sidewalls of the flaps 21 and 25 in opposite directions to the left and right outer sloping surfaces and the inclined surfaces of the folded inner fold flaps 21 and 25. In the process of mating the extended vertical surface with the inner walls of the continuum, the remaining unfolded first fold line is folded to complete and maintain the appearance of the packaging box, Packaging box, characterized in that it comprises a step of taping the tangled end face of the flap (23, 27) the outer circumference is maintained in the appearance of the packaging box. The method of claim 12, Packaging box, characterized in that the sum of the vertical lengths of the abutted flaps (21, 25 or 23, 27) is less than or equal to the minimum short width direction length of the packaging box. The method of claim 12, Packaging box, characterized in that the inclined surface of the inscribed flap (21, 25) forms a 45 ° inclined surface. The method of claim 12, The circumscribed flaps 23 and 27 form a 45 ° inclined surface that is inclined to the left and right sides of the flap from the second fold lines 20b and 20d, but the length L3 of the inclined surface is inscribed flaps 21 and 25. Packaging box, characterized in that the following equation is established for the inclined surface length (L2) of. L2: L3 = 10: 4.14 ........... (Equation 1) The method of claim 10, The width (L1) of the intermediate elements (12, 14, 16, 18) is a packaging box, characterized in that less than the width (L4, L5) of the major elements (11, 13, 15, 17). The method according to any one of claims 10 to 16, The blanks are arranged on the other side of the major elements 11, 13, 15, and 17 forming the sidewalls and are separated by the third fold lines 30a, 30b, 30c, 30d perpendicular to the first fold line. And a second set of side flaps (31,33,35,37) connected to the 13,15,17 and at least partially forming the lid of the packaging box. The method of claim 17, And the second set of side flaps (31, 33, 35, 37) and the first set of side flaps (21, 23, 25, 27) are symmetrical.

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