JP5146887B2 - Carton with sanitary paper - Google Patents

Description

  The present invention relates to a sanitary paper-filled carton. More specifically, the present invention relates to a sanitary paper-filled carton capable of firmly joining the inner flap and the upper surface side outer flap on the end face constituting the carton body.

  In general, tissue paper is used in a form of being stored in an internal space of a rectangular parallelepiped or a cubic box (hereinafter also referred to as “carton”). When using tissue paper, the user forms an elongated outlet in the box by cutting out a predetermined-shaped outlet forming cut line provided on one side of the box (usually the upper surface of the box). (For example, see Patent Documents 1 to 4).

  In particular, in a guest room such as a hotel or an inn or a business office that handles various types of customers, a carton containing sanitary paper in which sanitary paper is stored in a carton having a substantially square top surface may be used. For example, a cubic carton is called a cube type, and a rectangular parallelepiped carton whose distance in the height direction is about half the length of one side constituting the upper surface is called a half cube type.

  The above-described cube-shaped and half-cube shaped cartons are more compact than horizontal cartons that are frequently used in ordinary homes, and therefore have the advantage of requiring less installation space. doing.

JP 2007-112503 A JP-A-8-104378 JP 2001-219980 A JP 2003-170976 A JP 2002-29580 A

  Such a carton is formed into a shape having an upper surface, a bottom surface, a pair of side surfaces, and a pair of wife surfaces, for example, by bending a development type carton made of a paper material or the like. However, conventionally, when the inner surface, the bottom surface side outer flap, and the top surface side outer flap of the unfolded type carton are folded to form the wife surface, the laminated inner flap and the bottom surface are laminated by the thickness of the bottom surface side outer flap. There was a step in the side and outer flaps, and the inner flap was not firmly joined to the upper surface side outer flap.

  The present invention has been made in view of the above-described problems of the prior art, and provides a sanitary paper-filled carton that can eliminate the step between the inner flap and the bottom-side outer flap.

  As a result of intensive studies to solve the above problems, the present inventor formed a protrusion corresponding to the thickness of the bottom surface side outer flap on at least a part of the surface of the inner flap where the bottom surface side outer flap is not laminated. As a result, it was found that the step between the inner flap and the bottom side outer flap can be eliminated, and the present invention has been completed. That is, according to the present invention, the following carton with sanitary paper is provided.

[1] Forms a box shape that is folded into a shape having an upper surface, a bottom surface, a pair of side surfaces, and a pair of wives surfaces, and is partitioned by these surfaces to form an internal space that can store sanitary paper. A carton body formed with an outlet forming cut line for forming an elongated outlet, and a plurality of sanitary papers housed in the internal space of the carton body, the wife surface, Inner flaps that extend from the respective edges of the pair of side surfaces via the assembly folding curve are folded toward the end face side, and are extended on the surface from the edge of the bottom surface via the assembly folding curve. and a bottom side outer flap, the upper side outer flap extending from an edge of the upper surface through the assembled fold lines, but is formed by being bonded folded sequentially the bottom-side outer flap From the edge of the bottom surface, The bottom surface is extended to the same width as the bottom surface, and has a narrow portion with a narrow width at the tip, and the bottom surface side part of the surface of the inner flap is not laminated with the bottom surface. A protrusion corresponding to the thickness of the side outer flap and having a step protruding from the surface of the inner flap is formed over the entire periphery, and the width of the protrusion of the inner flap and the width of the bottom outer flap is reduced. and parts, Ri and the upper side outer flap Na are bonded with an adhesive, and, on the bottom surface of the carton body, starting from the two vertices of the edge of the bottom surface, the arcuate disassembling cut sanitary paper carton lines that have been formed.

[ 2 ] The protrusions of the inner flap are respectively formed on both sides of the narrow part of the bottom side outer flap, and the two protrusions of the inner flap and the width of the bottom side outer flap The carton with sanitary paper according to [ 1 ], wherein an adhesive is applied in a straight line across the narrow portion to form the end face.

  The carton with sanitary paper of the present invention is a box formed with an internal space that can be folded into a shape having an upper surface, a bottom surface, a pair of side surfaces, and a pair of wives, and can be stored with sanitary paper. When forming the end face of the carton body having a shape, the step between the inner flap and the bottom side outer flap can be eliminated, and the inner flap and the top side outer flap can be joined well.

It is a perspective view which shows one Embodiment of the sanitary paper containing carton of this invention. It is a perspective view which shows the state which fractured | ruptured the cut-out line for taking-out opening of the carton containing the sanitary paper shown in FIG. It is a top view which shows the expansion | deployment type carton before assembling the carton main body which comprises the carton containing the sanitary paper of this invention. It is a top view which shows the upper surface of the carton containing a sanitary paper shown in FIG. It is an enlarged plan view which shows the other example of the area | region A in the sanitary paper containing carton. It is an enlarged plan view which shows the other example of the area | region A in the sanitary paper containing carton. It is an enlarged plan view which shows the other example of the area | region A in the sanitary paper containing carton. It is an enlarged plan view which shows the other example of the area | region A in the sanitary paper containing carton. It is a schematic sectional drawing which shows the cross section which cut | disconnected the upper surface of the carton main body which comprises the sanitary paper containing carton shown in FIG. 4 along the A-A 'line. It is a schematic sectional drawing which shows the cross section which cut | disconnected the upper surface of the carton main body which comprises the sanitary paper containing carton shown in FIG. 4 along the B-B 'line. It is a perspective view which shows an example of the process of assembling the expansion | deployment type carton shown in FIG. 3, and manufacturing a sanitary paper containing carton. It is a perspective view which shows the other example of the process of assembling the expansion | deployment type carton shown in FIG. 3, and manufacturing a sanitary paper containing carton. It is explanatory drawing explaining one Embodiment of the sanitary paper containing carton of this invention, and is a perspective view which shows the process of assembling the expansion | deployment type carton of other embodiment. It is explanatory drawing explaining other embodiment of the sanitary paper containing carton of this invention, and is a perspective view which shows the process of assembling the expansion | deployment type carton of other embodiment. It is a top view which shows the other example of the expansion | deployment type carton before assembling the carton main body which comprises the carton containing the sanitary paper of this invention. It is a schematic sectional drawing which shows the cross section which cut | disconnected the expandable carton shown in FIG. 15 along the C-C 'line.

  Hereinafter, although the form for implementing this invention is demonstrated, this invention is not limited to the following embodiment. That is, it is understood that modifications and improvements as appropriate to the following embodiments also belong to the scope of the present invention based on ordinary knowledge of those skilled in the art without departing from the spirit of the present invention. Should.

[1] Carton with sanitary paper:
The sanitary paper-containing carton of the present invention has, for example, a hexahedron box shape in which an internal space capable of storing sanitary paper is formed as shown in FIG. 1, and an elongated outlet is formed on one surface thereof. This is a carton 1 with sanitary paper provided with a carton main body 16 in which an outlet forming cut line 14 is formed, and a plurality of sanitary papers housed in the internal space of the carton main body 16. The carton body 16 shown in FIG. 1 is a hexahedron that is bent into a shape having an upper surface 2, a bottom surface 4, a pair of side surfaces 6 (6 a, 6 b), and a pair of wife surfaces 8, and is partitioned by these surfaces. It has a box shape.

  Further, as shown in FIG. 3, an upper surface side outer flap 28 extends from the edge of the upper surface 2 via an assembly folding curve. Similarly, from the edge of the bottom surface 4, the assembly folding is performed. A bottom side outer flap 30 is extended through a curved line. Further, a side joining margin 32 is extended from one side edge of the bottom surface 4 via an assembly folding curve. When a carton body is formed using such an unfolded carton 100, first, each assembly folding curve is bent, the side joining margin 32 and the side 6b are joined, and the top surface 2, the bottom surface 4, and a pair of A rectangular tube body having four sides 6 is formed, and then the inner flap 26 is folded toward the end face side, and a bottom surface side outer flap 30 and an upper surface side outer flap 28 are sequentially folded on the surface. The wife face 8 (see FIG. 1) is formed. In this manner, the unfolded carton 100 shown in FIG. 3 can be a carton body 16 as shown in FIG.

  As shown in FIGS. 3, 13, and 14, the sanitary paper-containing cartons 103 and 104 according to the present invention have the inner flap 26 of the carton body 16 and the portion where the bottom side outer flap 30 is not laminated on the surface. Is protruded to the surface side of the inner flap 26 by a height corresponding to the thickness of the outer flap 30 on the bottom surface side, that is, has a step protruding from the surface of the inner flap 26 over the entire periphery. The protrusion 56 is formed, and the protrusion 56 of the inner flap 26 and the upper surface side outer flap 28 are joined with an adhesive.

  For example, conventionally, when the inner surface, the bottom surface side outer flap, and the top surface side outer flap of the unfolded type carton are folded to form the wife surface, the laminated inner flap and the bottom surface are laminated by the thickness of the bottom surface side outer flap. There was a step in the side and outer flaps, and the inner flap was not firmly joined to the upper surface side outer flap.

  As described above, by forming a protrusion corresponding to the thickness of the bottom surface side outer flap 30 on a part of the surface of the inner flap where the bottom surface side outer flap 30 is not stacked, the inner flap 26 and the bottom surface side are formed. A step with the outer flap 30 can be eliminated.

  Further, by configuring the bottom side outer flap and the projection of the inner flap to be arranged in a straight line, the adhesive is applied in a straight line from the bottom side outer flap to the projection of the inner flap, It becomes possible to perform favorable joining with the upper surface side outer flap. Moreover, it becomes possible to reduce the quantity of the adhesive agent at the time of forming a wife face by comprising in this way.

  The sanitary paper-filled carton 103 shown in FIG. 13 is provided on each inner flap 26 at a portion where the bottom side outer flap 30 is not stacked, specifically, on both sides of the narrow portion 34 of the bottom side outer flap 30. Protrusions 56 are respectively formed. Further, the bottom-side outer flap 30 is extended from the edge of the bottom surface 4 by a predetermined length with the same width as the bottom surface 4, and the width (that is, the width of the tip portion) is narrowed at the tip portion. It has a narrow portion 34. And the example which applied the adhesive agent on the straight line over the two protrusion parts 56 of the inner flap 26 and the narrow part 34 of the bottom face side outer flap 30 is shown.

  Further, in the carton 104 with sanitary paper shown in FIG. 14, a portion of each inner flap 26 where the bottom side outer flap 30 is not stacked, specifically, both sides of the narrow portion 34 of the bottom side outer flap 30 are arranged. An example in which the protruding portion 56 protruding in two steps is formed by projecting one step and further projecting the portion where the adhesive is applied in the protruding portion by another step is shown.

  13 and 14 are explanatory views for explaining the sanitary paper-containing carton according to the present invention, and are perspective views showing an example of a process for assembling the unfolded carton.

  In addition, such a protrusion of the inner flap is, for example, a punching die in which unevenness is provided in a portion where the protrusion of the inner flap is formed when a base carton is punched into a required development shape to form a development type carton. Can be formed simultaneously with the unfolded carton by the surface pressure at the time of punching.

  Further, in FIG. 1, the outlet forming cut line 14 of the carton body 16 of the sanitary paper-containing carton is formed in an elongated annular shape that matches the outer peripheral shape of the outlet. The outlet forming cut line 14 is broken and the paper piece constituting the region A inside the outlet forming cut line 14 is removed, whereby the outlet of the carton body 16 is formed. In the sanitary paper-filled carton 1 shown in FIG. 1, the above-described region A has a symmetrical shape with a long axis L1 along the longitudinal direction and a short axis L2 orthogonal to the long axis L1 as a boundary. .

  In the above-described region A, a linear reinforcing rib 17 is formed. The reinforcing rib 17 starts from a point P1 on the outlet forming cut line 14 and passes through the central region of the region A. The reinforcing rib 17 has a point P1 when the region A is divided into four by the major axis L1 and the minor axis L2. And the point P2 are formed so as to exist in the diagonal regions A1 and A2. Here, FIG. 1 is a perspective view showing one embodiment of a sanitary paper-containing carton according to the present invention.

  The long axis L1 of the region A described above is a central axis along the longitudinal direction of the region A. The short axis L2 of the region A is a central axis orthogonal to the long axis L1. In the sanitary paper-filled carton 1 shown in FIG. 1, the region A has an oval shape, and the short axis L2 of the region A is the central axis in the short direction perpendicular to the long axis L1.

  In FIG. 1, after the reinforcing rib 17 of the sanitary paper-containing carton 1 converges at a point P4 on the major axis L1, starting from the points P1 and P3 on the outlet forming cut line 14, It passes through the center point O of the region A, branches at a point P5 on the long axis L1, and ends at points P2 and P6 on the cut-out line 14 for taking out the outlet. And the short axis L2, the points P3 and P6 are present in diagonal areas A3 and A4, and the points P1 and P3 are adjacent to the areas A1 and A3 adjacent to the long axis L1. An example is shown in which the point P2 and the point P6 exist so as to exist in the adjacent regions A2 and A4 across the major axis L1.

  Such a sanitary paper-filled carton 1 can easily open the outlet. Specifically, the sanitary paper-filled carton 1 is unsealed when the region A surrounded by the cutout forming line 14 is pushed into the carton body 16 with a finger.

  Since the reinforcing rib 17 having a specific shape is formed in the region A, the reinforcing rib 17 increases the bending strength of the central portion in the longitudinal direction of the region A. For this reason, when a part of the region A is pushed into the carton body 16 with a finger, the region A maintains the shape of the center (longitudinal direction center), while the entire center of the region A is the carton body 16. The cut-out wire 14 for forming the outlet is broken and the outlet is opened.

  In addition, since the region A is pushed into the carton body 16 while maintaining the shape of the central portion, the longitudinal end of the region A warps upward so as to conflict with the central portion of the region A. Such a force is acting, and the cut line 14 for forming the outlet at the end portion in the longitudinal direction of the region A is also favorably broken by this force.

  Further, when the outlet forming cut line 14 is broken in this manner, the paper piece 12 constituting the region A is pushed back by the sanitary paper 10 housed in the carton body 16 as shown in FIG. Therefore, the removal of the paper piece 12 is facilitated. Further, as described above, since the end portion in the longitudinal direction of the region A is bent so as to be bent upward, the end portion is easily picked when the paper piece 12 is removed.

  In particular, since the sanitary paper 10 is stored in the sanitary paper-containing carton 1, when the central portion in the longitudinal direction of the region A is pushed into the carton body 16, the sanitary paper 10 pushed together with the region A is used. As a result, the portion other than the central portion in the longitudinal direction of the region A, that is, the longitudinal end portion of the region A is pushed upward, so that the paper pieces 12 constituting the region A can be further easily removed.

  Also, as shown in FIGS. 1 and 2, by opening the outlet as described above, the carton body 16 is not damaged by escaping the outlet forming cut line 14. The cut-out line 14 for taking out the outlet is normally broken.

  In such a sanitary paper carton, the area A is pushed with a finger as described above, so that the cut line for forming the outlet is easily broken at one time. This can reduce the generation of extra garbage. For example, in a conventional carton with sanitary paper, in order to peel off the inner area of the outlet forming cut line, a substantially U-shaped cut line is formed at the longitudinal end of this area. However, when such a carton is opened, two pieces of dust are generated, that is, a paper piece constituting the region and a small paper piece from which the longitudinal end portion of the region is peeled off.

  Here, FIG. 2 is a perspective view showing a state in which the cut line for forming the outlet of the carton with sanitary paper shown in FIG. 1 is broken. In FIG. 2, the same components as those of the sanitary paper-containing carton shown in FIG.

  In addition, when the conventional carton as shown in Patent Documents 1 to 4 is used to open the outlet, the end of the area surrounded by the outlet forming cut line is picked and the area is peeled upward. It forms an outlet. However, as described above, the work (opening work) for peeling off the region surrounded by the cut-out line for forming the outlet to form the outlet (opening work) is very time-consuming. There was a problem that the parts other than the score line were cut or torn without being broken well.

  In particular, hotels and inns have a problem that a large number of cartons have to be opened because the cartons are exchanged at a time when cleaning a guest room, and the opening work is extremely troublesome. In addition, such hotels and inns place importance on aesthetics, so if the carton is cut or torn at the time of opening the outlet, it must be replaced with another carton. There was also a problem.

  In addition, a carton has also been proposed in which a substantially U-shaped tearing line is formed on the end side of the region surrounded by the outlet forming cutting line, so that the region can be easily picked. Such a carton has a problem that the number of paper pieces to be separated when opening the outlet increases, and when opening a large number of cartons as described above, it takes time to dispose of garbage.

[1-1] Carton body:
The “carton body” is a hexahedral box with an internal space for storing sanitary paper, and a cut-out line for forming an outlet is formed on one side of the box. Box.

  There is no particular limitation on the paper material constituting the carton body. Generally, as these paper materials, for example, those produced using wood pulp, waste paper, etc. as raw materials can be suitably used.

[1-1A] Box shape:
The “box shape” is a shape in which an internal space partitioned by six surfaces that can store sanitary paper is formed. Examples of such a shape include a rectangular parallelepiped shape and a cubic shape. In these shapes, for example, the top surface and the bottom surface, the one side surface and the other side surface, and the one wife surface and the other wife surface are arranged in parallel so as to face each other.

  In the case of having the reinforcing rib described above, the carton body has a cubic shape for storing a substantially square sanitary paper, or the upper surface is substantially square, and the distance in the height direction is shorter than the length of one side of the upper surface. It is preferable that it is a rectangular parallelepiped shape. For example, when the carton body is formed in a cubic shape, it is called a cube type, and when the distance in the height direction is shorter than that of the cube type, it is called a half cube type. Conventionally, a general rectangular parallelepiped carton body used for home use has a top surface of approximately 240 mm in length and 115 mm in width, but the above-described cubic or rectangular carton body is usually Many squares with sides of 95 to 120 mm or rectangles close to squares are used.

  Such a carton containing sanitary paper having a cubic or rectangular parallelepiped carton body is used, for example, in a guest room such as a hotel or an inn, or a sales office that serves various customers, rather than being used for general household use. It is used in many cases.

  Such a carton body having a cube shape or a rectangular parallelepiped shape has a short upper surface compared to a rectangular carton body, so that the length of the major axis of the region A inside the cut line for forming the outlet is also reduced. It is getting shorter. For this reason, when the region A is pushed into the inside of the carton body with a finger, stress is easily transmitted along the reinforcing ribs to the entire cut line for forming the outlet that surrounds the region A. Lines are broken easily and accurately.

  For example, in the case of a carton body whose top surface is a rectangle whose length on one side is about twice the length of the other side, it depends on the shape of the reinforcing rib, the paper material of the carton body, etc. The length of the long axis of A is relatively long in a carton body such as a rectangular parallelepiped shape. For this reason, when the position pushed with the finger of the area A is bad or the force pushing the area A is too weak, the peripheral entry forming cut line pushed with the finger is broken, but the area The stress may not be sufficiently transmitted to the longitudinal end of A, and the outlet forming cut line may not be completely broken.

  For example, in hotels and inns, it is necessary to open a large number of cartons along with the replacement of the carton. By using the sanitary paper-containing carton having the reinforcing rib described above, the carton can be opened. It is possible to simplify the accompanying work. Moreover, such a sanitary paper-filled carton can be suitably used in hotels and inns that place an emphasis on beauty because the carton is unlikely to be cut or torn when the outlet is opened.

  The “carton body” is formed into a shape having an upper surface, a bottom surface, a pair of side surfaces, and a pair of wife surfaces, for example, by bending an unfolded carton made of a paper material or the like. The unfolded carton 100 shown in FIG. 3 has an upper surface 2, a bottom surface 4, and a pair of side surfaces 6 formed of a sheet of paper material through an assembly folding curve. The inner flap 26 extends through the folding line. Further, an outlet forming cut line 14 is formed on one surface of the carton body 16 (usually the upper surface 2).

[1-1B] Cut-out line for outlet formation:
The “take-out forming cut line” is a cut line formed in an elongated annular shape that matches the outer peripheral shape of the take-out opening in order to form an elongated take-out opening in a sanitary paper-filled carton. In the sanitary paper-filled carton, reinforcing ribs may be formed in a region A inside the cut-out line for forming the outlet. The user can form the outlet by breaking the cut line for forming the outlet and removing the piece of paper constituting the region A from the carton body, and the sanitary paper can be removed from the outlet thus formed. It can be taken out.

  The cut line for forming the outlet may be formed by a straight cut (slit) or a partially perforated cut, and the cut called a zipper in the packaging industry is bowl-shaped. It may be a break line for opening (see page 281 of the well-known and commonly used techniques in the packaging industry, issued by the Patent Office on December 20, 1978), or a double line perforation.

  In addition, it is preferable that the above-described cut line for forming an outlet is composed of a plurality of intermittently arranged cut lines and an uncut portion shorter than the cut line. By comprising in this way, opening of an outlet becomes easier.

  In the sanitary paper-filled carton, the length of at least one of the cut line and the non-cut portion is defined by the outer periphery constituting the longitudinal end portion side of the elongated region A and the outer periphery constituting the longitudinal center portion side. By giving the difference to the above, it is possible to further facilitate the pushing operation of the region A, in other words, the breaking operation of the outlet forming cut line. Specifically, it is preferable that the outer peripheral outlet forming cut line constituting the longitudinal end portion of the region A can be broken with a smaller force.

  For example, as described above, when the outlet forming cut line is constituted by a plurality of discontinuous cuts and an uncut portion shorter than the cut, FIG. As shown, the cut-out line 14 for taking out the opening has a length of each cut in the outer periphery (the arc P1P3 and the arc P2P6) of the region A connecting the points P1 and P3 and the points P2 and P6, respectively. It is preferable that the length is longer than the length of each cut in the outer periphery (the arc P1P6 and the arc P2P3) of the region A connecting the points P1 and P6 and the points P2 and P3.

  By comprising in this way, the relative ratio of the non-cut | disconnecting part in the outer periphery of the area | region A which respectively connects the point P1 and the point P3, and the point P2 and the point P6 becomes low, and the fracture | rupture of the cut-out line for taking-out openings is It becomes easy. That is, when the central portion of the region A is pushed into the inside of the carton body, the cut lines for forming the outlets on the outer periphery of the region A connecting the points P1 and P6 and the points P2 and P3 are broken. Is formed in the outer periphery (arc P1P3 and arc P2P6) of the outer periphery (arc P1P3 and arc P2P6) that is configured to be more easily broken than the outer periphery (arc P1P6 and arc P2P3) broken at this time. The line has already been broken. For this reason, the situation where only the outer periphery (arc P1P6 and arc P2P3) which comprises the longitudinal direction center part side of the area | region A is fractured | ruptured at the time of opening of an extraction opening, for example can be avoided.

  Further, for example, as shown in FIG. 4, the cut-out line 14 for forming the outlet is formed in each of the outer circumferences of the region A (the arc P1P3 and the arc P2P6) connecting the points P1 and P3 and the points P2 and P6. The length of the non-cut portion is formed so as to be shorter than the length of each non-cut portion in the outer periphery (arc P1P6 and arc P2P3) of region A connecting point P1 and point P6 and point P2 and point P3, respectively. It may be.

  In this way, it is also possible to reduce the length of each non-cut portion in the outer periphery of the region A that connects the points P1 and P3 and the points P2 and P6 in the same manner as described above. Breaking of the lead wire becomes easy. In FIG. 4, the length of each cut in the outer periphery of the region A connecting the points P1 and P3 and the points P2 and P6 is long, and the length of each non-cut portion is short. It is possible to open the outlet more efficiently.

[1-1C] Region A:
As shown in FIG. 4, in the area A inside the take-out forming cut line 14, the point P1 on the take-out forming cut line 14 is set as a starting point, passes through the central area of the area A, and is taken out. A linear reinforcing rib 17 whose end point is a point P2 on the forming cut line 14 is formed. The reinforcing rib 17 is formed such that when the region A is divided into four by the major axis L1 and the minor axis L2, the points P1 and P2 exist in the diagonal regions A1 and A2. Yes.

  In addition, the center area | region of the area | region A mentioned above is an area | region of the center part at the time of dividing the area | region A into 3 parts each in a longitudinal direction and a transversal direction. The reinforcing rib 17 that passes through the central region of the region A preferably passes through the central point O of the region A that exists in the central region of the region A. Since the region A has a symmetric shape with respect to the major axis L1 and the minor axis L2, the intersection of the major axis L1 and the minor axis L2 of the region A becomes the center point O of the region A.

  The reinforcing rib is formed to increase the bending strength of the central portion in the longitudinal direction of the region A. Such a reinforcing rib is not particularly limited as long as it can increase the bending strength of the central portion in the longitudinal direction of the region A by being arranged in a shape as shown in FIG. In particular, in a carton containing sanitary paper, a reinforcing material is not separately disposed in the region A as a reinforcing rib, but a groove-like material, for example, a material formed by bending a base paper constituting a carton body into a linear shape, A paper formed by partially compressing the above-described base paper into a linear shape can be suitably used.

  The number of starting points and end points of the reinforcing ribs is not limited to one each. For example, as shown in FIGS. 1 to 4, the reinforcing ribs have two or more starting points and end points. It may be.

  In the sanitary paper-filled carton 1, the reinforcing rib 17 starts from the point P1 and the point P3 on the outlet forming cut line 14, converges at the point P4 on the long axis L1, and then the center point of the region A Passes through O, branches at a point P5 on the long axis L1, and ends at points P2 and P6 on the cut line 14 for forming the outlet, and the region A is divided by the long axis L1 and the short axis L2. When divided into four, the points P3 and P6 are present in diagonal areas A3 and A4, the points P1 and P3 are present in adjacent areas A1 and A3 across the major axis L1, and the point P2 And the point P6 are preferably formed so as to exist in regions A2 and A4 adjacent to each other with the major axis L1 interposed therebetween.

  Here, FIG. 4 is a plan view showing an upper surface of the carton with sanitary paper shown in FIG.

  The reinforcing rib 17 as shown in FIG. 4 increases the bending strength of the central portion in the longitudinal direction of the region A, and can easily and normally break the outlet forming cut line. When the longitudinal central portion including O is pushed by a finger, stress is transmitted through the reinforcing rib 17 on the long axis L1, and then each starting point (point P1, point P3) from point P4 and point P5. And stress can be transmitted toward each end point (point P2, point P6). Since the stress transmitted by the reinforcing rib 17 in this way is transmitted as a force that escapes toward the longitudinal end of the region A, the longitudinal end of the region A is more likely to warp upward, The cut line for forming the outlet at the end in the longitudinal direction is more easily broken.

  Furthermore, in the sanitary paper-filled carton, as shown in FIG. 4, the points P1 and P3 are equidistant from the point P4, and the reinforcing ribs are formed by the points P1, P4, P3, and the center point O. 17 is formed in a Y-shape, and the point P2 and the point P6 are equidistant from the point P5. The reinforcing rib 17 is formed by the point P2, the point P5, the point P6, and the center point O. It is preferable that the other end side of is formed in Y shape.

  By configuring in this way, the stress is evenly transmitted to the points P1, P2, P3, and P6 on the cut-out line 14 for forming the outlet, and the force that is pulled out to the end in the longitudinal direction of the region A is further increased. It comes to join efficiently.

  Further, when a reinforcing rib is formed on the long axis L1 from the point P4, passing through the center point O of the region A and extending to the point P5, the region A is pushed with a finger. Even if the portion deviated from the point O is pushed in, the reinforcing rib on the long axis L1 can receive the stress applied by deviating from the center point O, and the received force can be effectively transmitted. it can.

  Furthermore, in the sanitary paper-filled carton 1, as shown in FIG. 4, a first perforation line that connects the point P 1 and the point P 3 on the cut-out line 14 for the outlet is connected to the region A. A first folding auxiliary line 61 and a second folding auxiliary line 62 made of a perforated cut line that connects the point P2 and the point P6 on the outlet forming cut line 14 are further formed. It is preferable.

  By comprising in this way, the longitudinal direction edge part side of the area | region A tends to warp upward along a 1st and 2nd bending auxiliary | assistant line, and opening of an outlet becomes easier.

  In FIG. 4, the points where the reinforcing ribs formed in a Y shape converge or branch, that is, the points P4 and P5 exist on the long axis L1 of the region A. P4 and the point P5 may be slightly deviated from the long axis L1 of the region A within a range in which the effect of having the reinforcing ribs described so far can be obtained. Further, the reinforcing rib passes through the center point O of the region A, but the reinforcing rib may be formed slightly deviated from the center point O of the region A as described above.

  The shape of the reinforcing rib is not limited to the shape shown in FIG. 4, and at least one starting point (for example, point P 1) and one end point (for example, point P 2) It is formed so as to pass through the central region, and this starting point and ending point are formed so as to exist in the diagonal regions A1 and A2 when the region A is divided into four by the major axis L1 and the minor axis L2. Just do it. For example, the reinforcing rib formed in the region A may have a shape as shown in FIGS. Here, FIGS. 5 to 8 are enlarged plan views illustrating other examples of the region A in the sanitary paper-filled carton. 5 to 8, the same components as those in the region A shown in FIG. 4 are denoted by the same reference numerals and description thereof is omitted.

  For example, in FIG. 5, the reinforcement starts from a point P1 on the outlet forming cut line 14, passes through the center point O of the region A, and ends at a point P2 on the outlet forming cut line 14. The rib 17 for use is shown. The reinforcing rib 17 is formed such that when the region A is divided into four by the major axis L1 and the minor axis L2, the points P1 and P2 exist in the diagonal regions A1 and A2. The reinforcing rib 17 in FIG. 5 is a linear reinforcing rib starting from the point P1 and ending at the point P2. Even in such a reinforcing rib, the bending strength of the central portion in the longitudinal direction of the region A where the reinforcing rib is formed can be increased, and the region A is in a state in which the shape of the central portion is maintained. Since it is pushed inside the carton body, the cut line for forming the outlet is normally broken.

  When the reinforcing rib is a single straight line, the shape of the central portion in the longitudinal direction of the region A and the transmission of stress are improved by increasing the thickness of the reinforcing rib. Can be performed.

  Further, in FIG. 6, the points P1 and P3 on the cut-out forming line 14 are set as starting points, the point P2 and the point P2 on the cut-out forming line 14 pass through the center point O of the region A. A reinforcing rib 17 having an end point P6 is shown. When the region A is divided into four by the major axis L1 and the minor axis L2, the reinforcing rib 17 exists in the regions A3 and A4 where the points P3 and P6 form a diagonal, and the points P1 and P3 are It is formed so that it exists in the areas A1 and A3 adjacent to each other with the major axis L1 and the points P2 and P6 exist in the areas A2 and A4 adjacent to each other with the major axis L1 interposed. That is, the reinforcing rib 17 is formed in an X-shape with the two points of points P1 and P3 as the starting point, the two points of points P2 and P6 as the end points, and the center point O as the intersection. This is a reinforcing rib 17. By comprising in this way, the effect similar to the case where the reinforcing rib 17 shown in FIG. 4 is formed can be acquired.

  Further, in FIG. 7, the points P1 and P3 on the outlet forming cut line 14 are set as the starting points, and after converging at the point P4 on the long axis L1, it passes through the center point O of the region A, and the long axis The reinforcing rib 17 is branched at a point P5 on L1 and ends at points P2 and P6 on the outlet forming cut line 14. When the region A is divided into four by the major axis L1 and the minor axis L2, the reinforcing rib 17 exists in the regions A3 and A4 where the points P3 and P6 form a diagonal, and the points P1 and P3 are It is formed so that it exists in the areas A1 and A3 adjacent to each other with the major axis L1 and the points P2 and P6 exist in the areas A2 and A4 adjacent to each other with the major axis L1 interposed.

  In FIG. 7, the points P1 and P3 are equidistant from the point P4, and one end side of the reinforcing rib is formed in a U shape by the points P1, P4, and P3. In addition, the point P2 and the point P6 are equidistant from the point P5, and the other end side of the reinforcing rib is formed in a U shape by the point P2, the point P5, and the point P6. As described above, the shape of the reinforcing rib is not limited to a straight line, and it extends from the starting point on the outlet forming cut line 14 through the central region of the region A to at least a diagonal region. What is necessary is just a continuous reinforcing rib as an end point on the existing cut-out line 14 for forming an outlet. By comprising in this way, the effect similar to the case where the reinforcing rib 17 shown in FIG. 4 is formed can be acquired.

  FIG. 8 shows an example in which reinforcing ribs are formed by removing the first folding auxiliary line 61 and the second folding auxiliary line 62 from the region A in FIG.

  The reinforcing ribs described so far can be formed by a method similar to the method of forming a crease line (for example, an assembly folding curve) on the base paper. For example, in a punching process using a normal punching die, the base paper can be formed by sandwiching between an iron plate provided with a female die made of hardened paper and a metal ruled line plate and stamping it. . According to such a method, it is possible to form a reinforcing rib having a concave portion on the front side of the base paper and a convex portion on the back side of the base paper at a portion corresponding to the reinforcing rib of the base paper.

  Further, the reinforcing rib can be formed, for example, by pressing a portion of the base paper placed on a flat surface with a pressing blade or the like corresponding to the reinforcing rib. According to such a method, a reinforcing rib in which a portion corresponding to the reinforcing rib of the base paper is partially compressed can be formed.

  Further, since the first folding auxiliary line 61 and the second folding auxiliary line 62 as shown in FIG. 4 are constituted by perforations that are partially connected, a conventionally known perforation forming cutter or the like Can be used. The perforated cut line is a cut line formed by a plurality of intermittently arranged cut lines and an uncut portion having no cut. In FIG. 4, the cut line and the non-cut portion are shown. Are configured to have the same length.

  The shape of the outlet forming cut line (the outer peripheral shape of the region A) is not particularly limited as long as it is an elongated ring shape, and may be appropriately selected according to the shape of the carton body or sanitary paper. For example, shapes such as an elliptical shape, an oval shape, a rectangular shape, a rhombus shape, and an elongated polygonal shape can be given.

  In addition, such an outlet forming cut line is often formed on the upper surface of the carton body, but there is no particular limitation. For example, it may be formed on a surface other than the top surface of the carton body. Further, the outlet forming cut line does not have to be formed on only one surface, and may be formed on two or more surfaces (for example, an upper surface and a bottom surface).

  Moreover, it is preferable that the carton body constituting the sanitary paper-containing carton of the present invention is a filmless carton in which a film for covering the outlet is not disposed inside the surface forming the outlet. By comprising in this way, when area | region A is pushed into the inside of a carton main body with a finger | toe, area | region A becomes easy to be pushed into the inside of a carton main body, and opening of an outlet becomes easy. Furthermore, since the separated paper piece is pushed back by the sanitary paper housed in the carton body, it is easy to remove the separated paper piece.

  The carton with sanitary paper of the present invention is not limited to the above-described filmless carton, and is a carton with a film in which a film for covering the outlet is disposed inside the surface forming the outlet. There may be.

[1-1D] Strength retention rule:
As shown in FIG. 1, in the carton body 16 of the sanitary paper-filled carton of the present invention, the base paper constituting the carton body 16 is compressed so as to surround the region A on the forming surface of the outlet forming cut line 14. It is preferable that the strength maintaining ruled line 18 is formed. As described above, the strength holding ruler 18 is obtained by partially compressing the base paper (usually having a multilayer structure of about five layers) constituting the carton body 16 to improve the strength of the base paper. is there.

  With this configuration, the strength of the base paper on the outer periphery of the region A can be improved, and the carton body 16 does not lose its shape due to the stress when the region A is pushed when the take-out port is opened. The exit forming cut line 14 can be favorably broken. Further, even if the opening forming cut line 14 is removed and tearing occurs at the time of opening, the strength retaining rule 18 can prevent the tearing.

  Although not particularly limited, as shown in FIG. 1, it is more preferable that the strength holding rules 18a and 18b are formed so as to surround the region A more than twice. By comprising in this way, the intensity | strength of the base paper in the outer periphery of the area | region A can be improved more.

  Further, the strength holding ruler is formed by compressing the base paper constituting the carton body 16 into a strip shape with a certain width from the outer edge of the region A, as in the strength holding ruler 18a shown in FIGS. 9 and 10, for example. It is preferable. By comprising in this way, the intensity | strength of the base paper in the outer periphery of the area | region A can be improved, and it is preventing effectively that the base paper will be broken by removing the cutting line 14 for taking out the outlet when opening the outlet. Can do.

  Here, FIG. 9 is a schematic cross-sectional view showing a cross section of the upper surface of the carton body constituting the sanitary paper containing carton shown in FIG. 4 along the line AA ′, and FIG. It is a schematic sectional drawing which shows the cross section cut | disconnected along the line.

  The strength holding rule can be formed by the same method as that for the reinforcing rib 17 described above. 9 and 10, a portion compressed from the upper surface side of the base paper constituting the carton body 16 protrudes to the lower surface side of the base paper, the upper surface of the base paper is concave, and the lower surface of the base paper has a corresponding convex shape. An example of the formed strength retaining rule 18 is shown.

[1-1E] Composition of wife face of carton body:
Next, in the case where the carton body constituting the carton with sanitary paper of the present invention forms a hexahedron box shape folded into a shape having an upper surface, a bottom surface, a pair of side surfaces, and a pair of wife surfaces, The configuration will be described. In the unfolded carton 100 shown in FIG. 3, the upper surface side outer flap 28 covers the entire surface of the bottom surface side outer flap 30, that is, the upper surface side outer flap 28 is configured to have the same size as one wife surface. Has been.

  Further, the bottom side outer flap 30 of the unfolded carton 100 shown in FIG. 3 extends from the edge of the bottom surface 4 to a predetermined length with the same width as the bottom surface 4, and then the width becomes narrower. It has a narrow portion 34. By configuring in this way, for example, it is particularly effective when the joint portion when joining the end faces is formed on a straight line (so-called “one-stroke”).

  For example, when the unfolded carton 100 shown in FIG. 3 is assembled to manufacture a sanitary paper-filled carton, first, the assembly folding curves of the unfolded carton 100 are bent, and the side joining margin and the side are joined to form a corner. A cylindrical carton is formed, and a sanitary paper bundle composed of a plurality of sanitary papers is housed therein. Next, as shown in FIG. 11, the two inner flaps 26 are bent to the end face side, and the bottom side outer flap 30 is bent to the surface of the inner flap 26, and then the two inner flaps 26 and the bottom side outer flap 30 are folded. An adhesive is applied in a straight line over both the narrow portion 34 and the joint portion 27 of the wife surface is formed. Thereafter, the upper side outer flap is bent and joined to the inner flap 26 and the bottom side outer flap 30 by the joining portion 27, so that the sanitary paper is contained in the inner space of the carton body 16 having a box shape. The carton 101 can be manufactured.

  By forming the joint portion 27 as described above, the amount of adhesive used can be reduced while maintaining the joint strength of the end face. Moreover, since the amount of adhesive used is small, dismantling of empty cartons after use is facilitated.

  Note that the shape of the joint for joining the end faces, that is, the method of applying the adhesive is not limited to the above-mentioned single-strike. For example, as shown in FIG. 12, the inner flap 26 and the bottom face The sanitary paper-filled carton 102 may be manufactured by applying an adhesive to the surface of the inner flap 26 exposed when the side outer flaps 30 overlap with each other to form the joint portion 27 on the end face. By comprising in this way, the effect similar to the case of the single striking mentioned above can be acquired. In such a case, the bottom surface side outer flap 30 is formed with a wife surface sandwiched between the inner flap 26 and the upper surface side outer flap 28.

  Here, FIG. 11 and FIG. 12 are perspective views showing an example of a process for manufacturing the carton with sanitary paper by assembling the unfolded carton shown in FIG. 11 and 12, components that are configured in the same manner as the elements of the unfolded carton illustrated in FIG. 3 are denoted by the same reference numerals and description thereof is omitted.

[1-1F] Other configuration of carton body:
Moreover, the carton body constituting the sanitary paper carton of the present invention, dismantling score line for deploying wife surface that are formed. Carton 10 0 deployment type shown in Figure 3, starting from the two vertices of the edge of the bottom 4, in which the arcuate disassembling score line 50 is formed.

  Note that the dismantling cut line 50 of the unfolded carton 100 shown in FIG. 3 is formed so as to be located inside the outer perforation and at least part of the outer perforation. A double perforation constituted by an inner perforation.

  The carton body constituting the sanitary paper-containing carton of the present invention may have a concavo-convex design in which at least a part of the base paper is processed into a concavo-convex shape on at least one surface constituting the carton body.

  This uneven design may be something like a logo mark or logotype in a carton with sanitary paper, such as various characters for children, designs for flowers, animals, plants, letters, symbols, etc. There may be. By forming such a concavo-convex design on the carton body, it is possible to give a high-quality feeling to the product (carton with sanitary paper) and to differentiate by visual elements.

  Such a concavo-convex design can be formed by applying concavo-convex processing such as embossing to the base paper. However, the concavo-convex design in a sanitary paper carton is used for reinforcing the base paper when the reinforcing rib is formed on the base paper. It is preferable that they are formed simultaneously with the ribs.

  By comprising in this way, the shaping | molding process of a carton main body can be simplified and the carton main body which has an uneven | corrugated design on at least one surface can be manufactured simply and cheaply.

  This uneven design only needs to be formed on at least one surface of the carton body. For example, when the carton containing sanitary paper has a design uneven design for giving a high-class feeling or differentiating products, it is preferably formed on the side surface or top surface of the carton body.

  15 and 16, as the concavo-convex design 58, a design that is a logo mark of a sanitary paper-filled carton is provided on each of the substantially central portions of the side surfaces 6 a and 6 b of the unfolded carton 110 constituting the carton body. An example in the case of being formed is shown.

  Here, FIG. 15 is a plan view showing another example of the unfolded carton before assembling the carton body constituting the sanitary paper-filled carton of the present invention. FIG. 16 is a schematic diagram showing a cross section of the expandable carton shown in FIG. 15 cut along the line C-C ′. In FIGS. 15 and 16, the same components as those of the unfolded carton shown in FIG. 3 are denoted by the same reference numerals and description thereof is omitted.

  Note that a plurality of the uneven designs may be formed on at least one surface of the carton body, for example. Further, at least one surface of the carton main body, for example, the entire side surface may have a concavo-convex design constituted by a pattern with concavo-convex.

  Further, in the unfolded carton 110 shown in FIGS. 15 and 16, an example in which the uneven design 58 is formed so as to protrude toward the back side of the base paper (that is, the inside of the carton body). However, the concavo-convex design may be formed so as to be convex toward the front side of the base paper (that is, the outside of the carton body), or the front side and the back side of the base paper. And may be formed with irregularities.

  There is no restriction | limiting in particular as a method of forming an uneven | corrugated design, For example, it can form using the pressing die (inversion type of an uneven | corrugated design) corresponding to the said uneven | corrugated design. For example, in the case of forming simultaneously with the reinforcing rib, it can be formed at the same time as the unfolded carton is punched using a pressing die formed with the inverted shapes of the reinforcing rib and the concavo-convex design. . By comprising in this way, the carton main body in which the uneven | corrugated design was formed in at least one surface can be formed simply and cheaply.

  In addition, in the case where the sanitary paper-filled carton has a portion formed by the unevenness of the base paper in addition to the reinforcing rib described above, at least one of the uneven portions including the reinforcing rib and the unevenness It is preferable that the design is formed by the same molding process.

  For example, the concavo-convex design may be formed at the same time as the strength retaining rule formed on the outer periphery of the region A on the upper surface of the carton body, or may be formed at the same time as the protruding portion of the inner flap described above. There may be.

[1-2] Sanitary paper:
There are no particular restrictions on the type of sanitary paper used in the carton containing sanitary paper of the present invention. Disposable paper such as toilet paper (excluding rolls) and Watting (paper cotton) (for example, see Paper and Pulp Technology Handbook 5th Edition, page 459, published on January 30, 1992, edited and published by the Pulp and Paper Technology Association) Etc.

  In particular, it is preferable to use a sanitary paper bundle in which a plurality of sanitary sheets are continuously laminated by folding one sanitary sheet and folding the other sanitary sheet between the folded portions. In the sanitary paper having such a laminated structure, when the uppermost sanitary paper is taken out, a part of the sanitary paper of the next layer sandwiched between the sanitary papers protrudes from the take-out port, and the sanitary paper can be easily taken out. There is an advantage (so-called pop-up method).

  In addition, as described above, in the carton with sanitary paper of the present invention, a cubic shape that accommodates a substantially square sanitary paper as the carton body, or the upper surface is substantially square, and the height is lower than the length of one side of the upper surface. Since a rectangular parallelepiped-shaped thing can be used suitably, the substantially square sanitary paper suitable for accommodating in such an internal space of a carton main body can be used suitably.

  Hereinafter, the present invention will be described more specifically with reference to examples. However, the present invention is not limited by these examples.

  In this embodiment, a base paper made of a paper material is punched into a shape as shown in FIG. 15 to form an unfolded carton, and this unfolded carton is assembled into an upper surface, a bottom surface, and a pair of side surfaces 4. After forming a rectangular tube having a surface and storing a plurality of sanitary sheets in the internal space of the rectangular tube, the inner flap is bent toward the end surface, and the bottom side outer flap and the upper side outer flap are formed on the surface. The cartons with sanitary paper were manufactured by folding them one after another.

  The unfolded carton 110 used in this embodiment has an upper surface 2, a bottom surface 4, and a pair of side surfaces 6 formed through an assembly folding curve. From the edge of the side surface 6, an assembly folding curve is used. The inner flap 26 is extended. Further, the upper surface 2 is formed with an outlet forming cut line 14 for forming an elongated outlet. Further, an upper surface side outer flap 28 extends from the edge of the upper surface 2 via an assembly folding curve, and similarly, from the edge of the bottom surface 4 via the assembly folding curve, the outer side on the bottom surface side is extended. The flap 30 is extended. Further, a side joining margin 32 is extended from one side edge of the bottom surface 4 via an assembly folding curve.

  In this embodiment, the top surface 2 and the bottom surface 4 of the carton are squares with a side (length and width) of 12 cm, and the width of the side surface 6 corresponding to the height of the carton is 5.2 cm. In addition, the region A inside the outlet forming cut line 14 has an oval shape having a major axis length of 9.4 cm and a minor axis length of 3.4 cm.

  Further, a reinforcing rib 17 was formed in a region A inside the outlet forming cut line 14 on the upper surface 2 of the carton. The reinforcing rib 17 starts from the point P1 and the point P3 on the outlet forming cut line 14, converges at the point P4 on the long axis, passes through the center point O of the region A, and is on the long axis. Branching at the point P5, and the points P2 and P6 on the cut-out forming line 14 are set as the end points. Further, when the area A is divided into four by the major axis L1 and the minor axis L2, P1 and point P2 are present in diagonal areas A1 and A2, and point P3 and point P6 are present in diagonal areas A3 and A4, and point P1 and point P3 have major axis L1. It was formed so as to exist in the regions A1 and A3 adjacent to each other and the points P2 and P6 exist in the regions A2 and A4 adjacent to each other with the major axis L1 in between.

  The reinforcing rib 17 has a point P1 and a point P3 that are equidistant from the point P4, and one end of the reinforcing rib 17 is Y-shaped by the point P1, the point P4, the point P3, and the center point O. The point P2 and the point P6 are equidistant from the point P5, and the other end side of the reinforcing rib 17 is formed in a Y shape by the point P2, the point P5, the point P6, and the center point O. Has been.

  Note that the length from the point P1 to the point P3 and the length from the point P6 to the point P2 are 3 cm, the length from the point P1 to the point P6, and the length from the point P3 to the point P2 are 4.5 cm. It was. The length from the straight line connecting the points P1 and P3 to the point P4 and the length from the straight line connecting the points P6 and P2 to the point P5 were 1 mm. The length from point P4 to point P5 was 2.5 cm.

  Further, in this area A, the first folding auxiliary line 61 composed of a perforated cut line that connects the points P1 and P3, and the perforated cut that connects the points P2 and P6. A second folding auxiliary line 62 made of a line was formed. The first and second bending auxiliary lines 61 and 62 are perforations in which cuts and non-cut portions are alternately arranged at intervals of 4 mm.

  The outlet forming cut line 14 for forming the outlet is constituted by a plurality of intermittently arranged cuts and an uncut portion shorter than the cuts, and points P1 and P3, And the length of each cut on the outer periphery of the region A connecting the points P2 and P6 is longer than the length of each cut on the outer periphery of the region A connecting the points P1 and P6 and the points P2 and P3, respectively. It formed so that it might become. Further, the length of each non-cut portion on the outer periphery of the area A connecting the points P1 and P3 and the points P2 and P6 is the area A connecting the points P1 and P6 and the points P2 and P3, respectively. It was made to become shorter than the length of each non-cutting part in the perimeter.

  The length of each non-cut portion in the outer periphery of the region A connecting the points P1 and P6 and the points P2 and P3 was 1.5 mm, and five pieces were formed on each outer periphery connecting the points. The length of each non-cut portion in the outer periphery of the region A connecting the points P1 and P3 and the points P2 and P6 is 0.5 mm, and three each is formed on each outer periphery connecting the points. .

  Further, in this embodiment, the base paper constituting the carton body (the unfolded carton 100) is formed so that the area A is doubly surrounded on the surface of the carton body on which the cut line 14 for forming the outlet is formed. A compressed strength retaining rule 18 (18a, 18b) was formed. The distance between the two strength holding rules 18 was about 5 mm, and the strength holding rules 18a formed on the inner side had a width of about 3 mm from the outer edge of the region A, and the base paper constituting the carton body was compressed into a strip shape.

  In this embodiment, the uneven design 58 is formed on each of the side surfaces 6a and 6b of the carton body. In addition, this uneven design is imitating the logo mark of a carton containing sanitary paper, and the base paper constituting the carton body is convex toward the back side in the shape of the uneven design, that is, the front side It is formed so that a concave and uneven design appears.

  This concavo-convex design was formed at the same time as the above-described reinforcing ribs in a punching process using a punching die for producing a deployable carton.

  Further, in this embodiment, the protruding portion 56 as shown in FIG. 13 is formed on the inner flap of the unfolded carton. The protruding portion 56 has a rectangular shape with a side length of 2 cm parallel to the edge of the side surface 6 and a side length of 1.5 cm perpendicular to the edge of the side surface 6, and has a thickness of the bottom side outer flap 30. It was formed by projecting to the surface side of the inner flap 26 by a corresponding height.

  When the protruding portion 56 is formed by punching a base paper made of a paper material to form the unfolded carton 100, a punching die provided with projections and depressions on a portion where the protruding portion 56 is formed is used, and by the surface pressure at the time of punching, The unfolding type carton 100 was formed at the same time as punching.

  Further, in this embodiment, a dismantling cut line 50 as shown in FIG. 15 is formed on the bottom surface 4 of the unfolded carton 100. The dismantling cut line 50 was formed as a double perforation having an arc shape starting from the two vertices of the edge of the bottom surface 4. Specifically, for double dismantling constituted by an outer perforation and an inner perforation formed inside the outer perforation and along at least a part of the outer perforation. It is a cut line 50. The length of the outer perforation is 4 mm, and the length of the inner perforation is 1 mm.

  In the present embodiment, the assembly folding curves of the unfolded type carton 100 configured as described above are bent, the side joining margin 32 and the side face 6b are joined, and the top face 2, the bottom face 4, and the pair of side faces 6 are joined. After forming the square cylinder having four surfaces, a sanitary paper bundle in which a plurality of sanitary papers were stacked was stored in the internal space of the square cylinder.

  The sanitary paper was a set of 21 cm × 20 cm sanitary paper. In addition, the sanitary paper bundle in which the sanitary papers were laminated was one in which one sanitary paper was folded and the other sanitary papers were sandwiched between the folded portions and continuously laminated.

  After inserting such a sanitary paper bundle into the internal space of the rectangular tube body, as shown in FIG. 13, the inner flap 26 and the bottom side flap 30 are folded, and then an adhesive is applied to the protruding portion 56 of the inner flap 26. This was coated, and the upper surface side flap 28 was folded thereon, and the upper surface side flap 28 was joined to the inner flap 26 and the bottom surface side flap 30 to manufacture a sanitary paper-filled carton.

  In the sanitary paper-filled carton of this embodiment, the area A surrounded by the exit forming cut line is pushed into the carton body with a finger to break the take-out forming cut line. I was able to open it. Since the bending strength of the central portion in the longitudinal direction of the region A is increased by the reinforcing rib, the region A is pushed into the carton body while the shape of the central portion of the region A is maintained. Not only the part to which the force of A was applied, but also the cut line for forming the outlet in the entire central part of the region A could be broken at a time.

  Further, the longitudinal end portion of the region A is subjected to a force that warps upward so as to oppose the central portion of the region A, and this force breaks the score line at the longitudinal end portion of the region A. I was able to. Furthermore, in the present embodiment, since the cut-out line for taking out the outlet is easier to break at the end in the longitudinal direction than at the center in the longitudinal direction of the region A, the cut in the center in the longitudinal direction of the region A Before the line is broken, or at the same time when the cut line at the central portion in the longitudinal direction is broken, the cut line on the side in the longitudinal direction is broken.

  Further, the sanitary paper-filled carton of this embodiment has two reinforcing ribs formed in the region A, each having two starting points and two ending points, and one end side and the other end side are formed in a Y shape. And the first and second folding auxiliary lines that connect the starting points and the end points are formed, so that the force transmitted to the starting points and the end points along the reinforcing ribs is the longitudinal length of the region A. Since it is configured to be transmitted as a force that pulls out toward the direction end, it is easier to open the outlet.

  Further, since a strength retaining rule is formed on the outer periphery of the region A of the sanitary paper-containing carton, the carton body is configured when the reinforcing rib is pushed into the carton body with a finger to break the tear line. The base paper was difficult to tear, and the carton was not cut or torn when opened. In particular, in this example, since the band-shaped strength holding rule was formed with a constant width (3 mm) from the outer edge of the region A, the strength of the outer peripheral portion of the region A was well maintained.

  Further, the sanitary paper-filled carton of this embodiment has a protruding portion formed on the surface of the inner flap, so that there is no step between the inner flap and the bottom-side outer flap on the end face formed by bending each flap. Was firmly joined to the upper outer flap. It was also possible to reduce the amount of adhesive when forming the wife surface.

  The bundle of sanitary paper stored in the internal space of the carton body is a stack of multiple sanitary papers. Therefore, by removing the uppermost sanitary paper, A part of the sanitary paper protruded from the outlet, and it was easy to take out the sanitary paper.

  In addition, the sanitary paper carton of this embodiment has a dismantling cut line formed on the bottom surface. Therefore, after the sanitary paper stored in the inner space of the carton body is used up, the dismantling cut line on the bottom surface is used. And the carton could be easily disassembled. In particular, in this embodiment, the dismantling cut line has a double perforation, so that the dismantling cut line is easily broken and the dismantling of the empty carton body in which the force is easily dispersed is easy. Could be done.

  The carton with sanitary paper of the present invention can be suitably used as a carton containing sanitary paper such as paper towels such as tissue paper and kitchen paper, sheet-like toilet paper, and cotton (paper cotton).

1, 101, 102, 103, 104: Carton with sanitary paper, 2: Upper surface, 4: Bottom surface, 6, 6a, 6b: Side surface, 8, 8a, 8b: Wife surface, 10: Sanitary paper, 12: Paper piece, 14 : Cut-out line for forming an outlet, 16: Carton main body, 17: Reinforcing rib, 18: Strength retaining rule, 26: Inner flap, 27: Joint part, 28: Top side outer flap, 30: Bottom side outer flap, 32: Joining allowance (side joining allowance), 34: Narrow part, 50: Cut line for dismantling, 56: Protruding part, 58: Concave and convex design, 61: First folding auxiliary line, 62: Second folding auxiliary Line, 100, 110: Unfolded carton, A, A1, A2, A3, A4: Area inside the cut line for forming the outlet, L1: Long axis, L2: Short axis, O: Center point of area A , P1, P3: point (starting point of reinforcing rib), P2, P6: point (ending point of reinforcing rib), P4 P5: point (a point on the long axis).

Claims (2)

It is folded into a shape with an upper surface, a bottom surface, a pair of side surfaces, and a pair of wife surfaces, and is partitioned by these surfaces to form a box shape in which an internal space that can store sanitary paper is formed. A carton body in which a cut-out line for forming an outlet for forming the outlet is formed, and a plurality of sanitary papers housed in the internal space of the carton body,
The inner surface of the end face extending from the end edges of the pair of side faces through the assembly folding curve is bent to the end face side, and the assembly folding curve is formed on the surface from the edge of the bottom surface. A bottom-side outer flap extended through and an upper-side outer flap extended from the edge of the upper surface through an assembly folding curve are sequentially folded and joined,
The bottom surface side outer flap extends from the edge of the bottom surface with the same width as the bottom surface, and has a narrow portion whose width is narrowed at a tip portion thereof,
A part of the surface of the inner flap where the bottom-side outer flap is not laminated has a step corresponding to the thickness of the bottom-side outer flap and having a step protruding from the surface of the inner flap over the entire periphery. Part is formed,
And the narrow portion of the projection and the bottom-side outer flap of the inner flaps, Ri and the upper side outer flap Na are bonded with an adhesive, and,
The carton is the bottom surface of the body, starting from the two vertices of the edge of the bottom surface, sanitary paper carton arcuate disassembling score line is that formed. The protruding portions of the inner flap are formed on both sides of the narrow portion of the bottom side outer flap, respectively, the two protruding portions of the inner flap, and the narrow portion of the bottom side outer flap, adhesive is applied in a straight line across, sanitary paper carton as claimed in claim 1, wherein the wife surface is formed.

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