JP4735623B2 - Paper package - Google Patents

Description

  The present invention relates to a paper package, and more particularly, to a paper package that protects the outside of stacked sheets with a package material and can be set in a printing apparatus together with the package material.

2. Description of the Related Art Conventionally, a paper package for a printing apparatus in which stacked sheets are stored in a box-shaped package material is known (see, for example, Patent Document 1). In this paper package, when the paper is used for printing, the lid portion of the package material is unsealed, folded back to the opposite side, and an insertion portion formed at the tip of the lid portion is formed on the surface of the package material. Insert it into the notch and fix the lid. In this state, the paper package is in a state in which the paper is partially exposed, and is used by being set in a printing apparatus together with the package material. In this paper package, a plurality of sheets can be handled collectively in a package unit, so that the usability is improved and the inner sheet can be covered and protected. Therefore, a thermal paper that is particularly sensitive to light and heat is adopted as the sheet. Was useful in cases.
JP 2003-285939 A

  However, the conventional paper package has a problem in that when the paper package is used, it is difficult to insert the insertion portion formed at the tip of the lid portion into the cut portion formed on the surface of the package material. In addition, in order to make it easy to insert the insertion part formed at the tip of the lid part into the notch part formed on the surface of the package material, if the notch part is a large opening, the paper stored inside the paper package In addition, there is a problem in that light or the like hits the opening and causes alteration.

  The present invention has been made to solve the above-described problems, and when using a paper package, the insertion portion formed at the tip of the lid portion is inserted into the notch portion formed on the surface of the package material. It is an object of the present invention to provide a paper package that facilitates and does not change the quality of the internal paper.

  In order to solve the above-described problem, the paper package of the invention according to claim 1 is a paper package that is mounted on the printing apparatus in order to supply the printing apparatus with paper that is a printing medium, and is a stacked sheet. And a package material that covers the outside of the stacked sheets, and the package material includes at least a rectangular first portion that covers a part of one side surface of the stacked sheets in the stacking direction, A rectangular second part that extends from one end of a part so as to be bendable and covers a part of one side of the sheet in the stacking direction together with the first part, and the connection between the first part and the second part A rectangular third part that extends from the end opposite to the part so as to be bendable and covers a side surface of the stacked sheets, and an end opposite to the connection part between the second part in the third part Can be bent from A fourth portion provided, a rectangular fifth portion facing the first portion and covering the other surface opposite to the one surface in the stacking direction of the stacked sheets, and the fifth portion A sixth rectangular portion extending from one end of the second portion, a seventh portion extending from the end of the sixth portion opposite to the connecting portion with the fifth portion so as to be foldable, and the fourth portion When using a paper package formed at the end of the portion opposite to the connection portion with the third portion and formed at the first portion and the insertion portion formed to be narrower than the fourth portion. The second part to the fourth part are folded, a notch part into which the insertion part is inserted, and the seventh part is extended from the end opposite to the connection part with the sixth part, In the assembled state of the paper package, the outer surface of the first part passes through the notch Exposed to, it is characterized in that a guide portion for guiding the insertion portion to the cutout portion.

  In addition, in the paper package of the invention according to claim 2, in addition to the configuration of the invention of claim 1, the cut portion is formed in an arc shape with the apex of the arc facing the insertion direction of the insertion portion. It is characterized by being cut and formed.

  In the paper package according to the first aspect of the present invention, when the paper package is used, the second part to the fourth part are folded back, and the cut part into which the insertion part is inserted is formed in the first part. In addition, the paper package is extended from the end of the seventh portion opposite to the connection portion with the sixth portion, and in the assembled state of the paper package, penetrates the notch portion and passes through the outer surface of the first portion. And a guide portion that guides the insertion portion to the cut portion. Therefore, the insertion portion can be easily inserted into the cutting portion by guiding the insertion portion to the cutting portion by the guide portion.

  In addition, in the paper package of the invention according to claim 2, in addition to the effect of the invention of claim 1, the cut portion is cut in an arc shape in which the apex of the arc is directed in the insertion direction of the insertion portion. Since it is rarely formed, the insertion portion can be easily inserted from the top of the arc.

  Hereinafter, the structure of the printing apparatus 1 to which the paper package 9 according to an embodiment of the present invention is mounted will be described with reference to FIGS. 1 to 4. FIG. 1 is a perspective view of the printing apparatus 1, and FIG. FIG. 3 is a view showing a state in which the paper package 9 is set in the paper storage unit 6, and FIG. 4 is an enlarged cross-sectional view showing details of the paper separation unit 11 and the printing mechanism unit 14. As shown in FIG. 1, the printing apparatus 1 has a rectangular shape (a size slightly larger than the A6 size) in a plan view and has a flat rectangular parallelepiped shape with a thickness of about 2 cm. Further, the main body case 2 of the printing apparatus 1 has a rectangular frame 3 in a plan view and a lower cover 4 that covers the lower surface of the frame 3 and a part of the upper surface of the frame 3 in a plan view. The cover 5 is composed of a lid 10 having a rectangular shape in plan view.

  As shown in FIGS. 2 and 3, the printing mechanism unit 14 is disposed inside one end portion (upper side in FIGS. 2 and 3) of the printing apparatus 1, and the upper surface thereof has a rectangular upper cover 5 in plan view. Covered with The printing mechanism unit 14 includes a thermal head 15, a platen roller 16, and a paper guide 17. In addition, a sheet storage portion 6 is formed on the remaining portion of the upper surface of the frame 3 except for the portion covered with the upper cover 5. The upper part of the paper storage unit 6 is covered with a lid 10, and the lid 10 can be opened and closed as shown in FIG.

  Further, as shown in FIG. 3, for example, a sheet package 9 in which a plurality of sheets 7, which are A6 or A7 size cut sheet-like thermal paper, are stored in the package member 8 is accommodated in the sheet storage unit 6. Is possible. Further, a lock mechanism (not shown) is provided on the main body case 2 side, and the cover 10 can be closed and locked as shown in FIG. 3 with the paper package 9 set in the paper storage unit 6.

  As shown in FIG. 4, a sheet separating unit 11 including a pickup roller 12 and a separating block 13 is provided at the end of the sheet containing unit 6 on the side close to the printing mechanism unit 14. In addition, a pressing plate 18 is rotatably supported on the inner surface of the lid 10 facing the paper storage unit 6 side. A coiled urging spring 19 is interposed between the pressing plate 18 and the lid body 10, and a urging force in the downward direction (the direction of the pickup roller 12) is constantly applied to the pressing plate 18.

  Note that the paper package 9 exposes a part of the lower surface of the lowermost paper 7 from the package material 8 among the papers 7 stored in a stacked state with the printing surface facing downward. In this state, it is mounted in the paper storage unit 6. When the lid 10 is closed and locked, the pressing plate 18 biased downward by the biasing spring 19 causes the exposed portion of the sheet 7 to move toward the pickup roller 12 via the package material 8. The lower surface of the sheet 7 is brought into contact with the pickup roller 12 by pressing.

  Further, as shown in FIG. 4, a separation block 13 is provided so as to be close to and face the pickup roller 12, and the separation block 13 is separated from the pickup roller 12 with respect to the sheet feeding direction. 131 is provided. In the paper separation unit 11 having this configuration, when the pickup roller 12 is rotationally driven, a friction conveyance force is applied to the lowermost paper 7 that contacts the pickup roller 12. Then, combined with the separation action of the separation guide surface 131 of the separation block 13, only one sheet 7 located at the lowermost layer is separated and sent out.

  Next, the printing mechanism unit 14 will be described. As shown in FIG. 4, a platen roller 16 is rotatably provided by a motor (not shown) on the opposite side of the pickup block 12 with the separation block 13 interposed therebetween, and a paper guide 17 is provided close to the outer peripheral surface. Has been placed. The paper guide 17 has a slidable contact surface 171 having a concave curved shape that is formed along the outer peripheral surface of the cylindrical platen roller 16 and has a substantially U-shaped cross section. A pressing coil spring 20 is provided between the paper guide 17 and the main body case 2 and biases the sliding contact surface 171 toward the outer peripheral surface of the platen roller 16.

  Further, in the printing apparatus 1 having this configuration, the paper 7 separated by the paper separation unit 11 is conveyed by the pickup roller 12 so that the lower end of the separation block 13 and the direction of the paper face the platen roller 16 side. Passes between the guide plates 21 for the purpose. The sheet 7 is guided by the guide plate 21 and is fed between the platen roller 16 and the paper guide 17 from the lower surface side of the platen roller 16. Further, the sheet 7 is conveyed between the outer peripheral surface of the platen roller 16 and the slidable contact surface 171 of the paper guide 17 while being reversed in a horizontal U-shape by the rotational drive of the platen roller 16, and the platen with the printing surface facing upward. It reaches the upper surface side of the roller 16.

  As shown in FIG. 4, the thermal head 15 located on the upper surface side of the platen roller 16 has a heating element portion 151 as a printing portion. The thermal head 15 is provided so as to be rotatable around a rotation shaft 152, and the heating element 151 is configured to be able to contact and separate from the upper surface of the platen roller 16. It should be noted that the thermal head 15 is configured to be rotatable in this way because the thermal head 15 is removed in the paper removal operation of the jammed paper 7 when the paper 7 is jammed between the platen roller 16 and the paper guide 17. This is so as not to disturb the work.

  As shown in FIG. 4, one end of a torsion coil spring type spring 22 is locked to the thermal head 15, and the heating element 151 of the thermal head 15 exerts a biasing force in a direction close to the upper surface of the platen roller 16. Always added. With this configuration, the heating element 151 of the thermal head 15 comes into contact with the printing surface of the paper 7 sent by the platen roller 16 with the printing surface facing upward as described above, and printing is performed on the paper 7 at the contact point. Is made.

  The thermal head 15 is a line head type, and can print arbitrary characters and images for each line extending in a direction orthogonal to the transport direction of the paper 7 on the heat-sensitive paper 7 being transported. The printing width when printing for one line is set to be approximately equal to the width of the paper 7 to be printed. In this way, the thermal head 15 is used as a print head by using thermal paper as a recording medium, so that consumables such as ink and an ink ribbon can be dispensed with and a mechanism for supplying ink can be omitted. This is because the printing apparatus 1 can be configured compactly. As the thermal paper, various types such as a thermal coloring type having a coloring layer that develops color by heating of the thermal head 15 and a thermal punching type in which a perforated layer to be perforated by heating is laminated on a base material layer are available. It can be used.

  The separation block 13 is formed with a paper discharge guide surface 132 that is inclined with respect to the paper feed direction of the platen roller 16. In this configuration, the sheet 7 on which printing has been performed by the heating element portion 151 of the thermal head 15 is guided by the sheet discharge guide surface 132, and as shown in FIG. Paper is discharged from the gap formed by the lid 10 to the upper side of the lid 10.

  Next, the paper package 9 according to the embodiment of the present invention set in the printing apparatus 1 will be described in detail with reference to FIGS. FIG. 5 is a perspective view of the paper package 9, FIG. 6 is a perspective view of the paper package 9 with the lid 44 folded back, and FIG. 7 is a bottom view of the paper package 9. 8 is a development view as seen from the outside of the package material 8, FIG. 9 is a perspective view of the development state as seen from the inside of the package material 8, and FIG. 10 is a process of manufacturing the paper package 9. FIG. FIG. 11 is a perspective view showing a process for manufacturing the paper package 9, and FIG. 12 is a perspective view showing a process for manufacturing the paper package 9. FIG. 13 is a perspective view showing a process of inserting the paper 7 into the paper package 9, and FIG. 14 is a perspective view showing a process of manufacturing the paper package 9.

  As shown in FIG. 5, the paper package 9 is formed in a thin rectangular box shape by bending a plate-shaped package material 8. In the paper package 9, a plurality of papers (recording media) 7 are stacked and stored. The paper 7 is, for example, a thermal paper in the form of a cut sheet having a small size of about A6 to A7. The user purchases the paper package 9 sold in the box-like state shown in FIG. 5, first opens the lid portion 44 and folds back to the back side as shown in FIGS. Is inserted, and the insertion portion 444 of the lid portion 44 is inserted into a guide portion 71 projecting outside from a third slit 45 of the bottom portion 40 described later, and the lid portion 44 is fixed. The paper package 9 in this state is set in the paper storage unit 6 of the printing apparatus 1 and used. In the following description, when the paper package 9 is set in the paper storage unit 6, the end on the side disposed on the printing mechanism unit 14 side is the front end, the opposite end is the rear end, and other Two opposing ends are referred to as side ends. The direction of the line connecting the front end portion and the rear end portion of the paper package 9 is referred to as the front-rear direction, and the direction of the line connecting both end portions orthogonal to the front-rear direction is referred to as the left-right direction.

  Next, the structure of the package material 8 will be described with reference to FIGS. FIG. 8 is a development view seen from the outside of the package material 8. FIG. 9 is a perspective view of the unfolded state as viewed from the inside of the package material 8. As shown in FIGS. 8 and 9, the package material 8 is formed by punching a flat cardboard material, and a bottom portion 40 covering a surface on one side in the stacking direction of the stacked sheets 7 is formed at the center thereof. Is provided. And the rectangular side wall part 41 is extended from one of a pair of side edge part of the bottom part 40, and the rectangular side wall part 42 is extended from the other side edge part. The heights (widths in the short direction) of the side wall portions 41 and 42 and the side wall portion 55 described later are all the same, and are higher than the stacking height of the sheets 7 stored in the sheet package 9. The bottom 40 corresponds to the “first part”.

  Further, as shown in FIGS. 8 and 9, a lid portion 44 extends from the front end side of the bottom portion 40. The lid part 44 includes a rectangular lid base part 441, a lid side wall part 442, a lid tip part 443, and an insertion part 444. A rectangular lid side wall 442 extends from the lid base 441 and has the same height (width in the short direction) as the side walls 41 and 42. The lid tip 443 extends from the lid sidewall 442 and is narrower in the left-right direction than the lid sidewall 442. The insertion portion 444 extends from the lid tip portion 443 and is narrower in the left-right direction than the lid tip portion 443 and includes a pair of inclined sides at the tip. The shape of the bottom 40 and the lid base 441 is substantially the same as that of the paper 7. The lid base portion 441 corresponds to the “second portion”, the lid side wall portion 442 corresponds to the “third portion”, the lid tip portion 443 corresponds to the “fourth portion”, and the insertion portion 444 corresponds to the “insertion”. Corresponds to the “combination part”.

  Further, as shown in FIGS. 8 and 9, a rectangular first exterior portion 50 that covers the paper 7 after the assembly is extended on the side wall portion 41 of the bottom portion 40 so as to face the bottom portion 40. A rectangular side wall portion 55 extends from the rear end portion of the first exterior portion 50. Further, a rectangular tongue 70 for receiving the lower end portion of the paper 7 when the paper package 9 is assembled is extended on the side wall 55. Further, on the distal end side, which is the end portion on the opposite side to the connection portion with the side wall portion 55, of the tongue portion 70 is penetrated through the third slit 45 and exposed to the outer surface of the bottom portion 40, and the insertion portion 444 is provided. A guide portion 71 that guides the third slit 45 is extended. The guide portion 71 is a tongue-like protruding portion that is narrower in the left-right direction than the tongue portion 70 and narrower than between both end portions of the third slit 45. The first exterior part 50 corresponds to the “fifth part”, the side wall part 55 corresponds to the “sixth part”, the tongue part 70 corresponds to the “seventh part”, and the guide part 71 corresponds to “ Corresponds to the “guide section”. In FIGS. 8 and 9, what is indicated by a two-dot chain line is a portion where crease processing is performed, and the cardboard material is easily folded at the crease for convenience during assembly.

  Further, the first exterior portion 50 is a first slit 51 that is a notch into which the insertion portion 444 of the lid portion 44 is inserted, and a notch that is inserted into an insertion portion 61 of the second exterior portion 60 described later. Two slits 52 are formed. In addition, a cutout portion 53 that is a rectangular cutout is provided at a side end portion of the first exterior portion 50 that faces the lid base portion 441. Using this notch 53, the printing apparatus 1 detects the presence or absence of the paper 7. That is, the paper package 9 is mounted on the paper storage unit 6 of the printing apparatus 1 in the state shown in FIGS. 6 and 7, but the reflective optical sensor 80 is positioned at a position facing the notch 53 in the printing apparatus 1. (See FIGS. 3 and 4). Therefore, while the paper 7 is in the paper package 9, the reflection optical sensor detects the reflection of light from the paper 7, and when the paper 7 is lost, the reflection optical sensor constitutes the pressing plate 18 of the lid 10. The reflected light from the synthetic resin is detected. Therefore, if the synthetic resin constituting the pressing plate 18 of the lid 10 has a low light reflectance, the presence or absence of paper can be easily detected.

  As shown in FIG. 8, three sensor marks 46 indicating the type and size of the paper 7 stored in the paper package 9 are printed on the side edge of the bottom 40 on the front side (outside) of the package material 8. Has been. The sensor mark 46 is read by a reflection type optical sensor (a sensor (not shown) different from the reflection type optical sensor 80) provided in the printing apparatus 1. For example, if the sensor mark 46 is present and “1” is absent and “0” is assumed, eight types of paper 7 can be identified by the three sensor marks 46.

  As shown in FIGS. 8 and 9, the bottom portion 40 is provided with a third slit 45 into which the insertion portion 444 of the folded lid portion 44 is inserted. The third slit 45 is cut in a circular arc shape with the top facing the lid 44, and further, a cut is formed in a straight line of a predetermined length from the top of the third slit 45 toward the lid 44. Yes. The third slit 45 corresponds to a “cut portion”.

  Further, a notch portion 54 is provided between the side wall portion 41 and the first exterior portion 50 by a predetermined length from the notch portion 53 side. The notch 54 facilitates the bending of the first exterior part 50 when the paper package 9 is attached to the paper storage part 6 and the first exterior part 50 is pressed by the pressing plate 18.

  Further, as shown in FIGS. 8 and 9, the first exterior portion 50 that covers the paper 7 is fixed to the side wall portion 42 extending from the side end portion of the bottom portion 40 so as to face the bottom portion 40 after the assembly. For this purpose, a second exterior part 60 is extended. The second exterior portion 60 has a narrower width in the left-right direction than the first exterior portion 50, and an insertion portion 61 is formed at a side end portion thereof. At the time of assembling the paper package 9, the insertion portion 61 is inserted into the second slit 52 of the first exterior portion 50 to fix the first exterior portion 50.

  Next, with reference to FIG.8 and FIG.9, formation of the guide part 71 is demonstrated. The package material 8 of the paper package 9 shown in FIGS. 8 and 9 is punched from a paper board or the like as a raw material. At this time, the guide portion 71 is also formed integrally with the tongue portion 70 at the time of punching from the raw material.

  Next, the process of manufacturing the paper package 9 will be described below with reference to FIGS. First, as shown in FIG. 10, the side wall portion 55 of the package member 8 is bent upward, and the tongue portion 70 is bent vertically from the side wall portion 55 so as to face the first exterior portion 50. Next, as shown in FIG. 11, the side wall portion 41 is bent upward, and further, the bottom portion 40 is bent inwardly from the side wall portion 41 so as to overlap the bottom portion 40 on the bent tongue portion 70. At this time, the front end of the guide portion 71 passes through the third slit 45 and is exposed to the outside of the bottom portion 40.

  Next, as shown in FIG. 12, after the side wall portion 42 is bent downward, the second exterior portion 60 is folded over the outside of the first exterior portion 50, and the insertion portion 61 of the second exterior portion 60 is It is inserted into the second slit 52 of the exterior part 50. Then, the stacked sheets 7 are inserted into the package material 8 in this state, as shown in FIG. Note that the sheet 7 may be placed on the first exterior portion 50 of the package material 8 before the tongue portion 70 is bent, and then bent.

  Finally, as shown in FIG. 14, the lid portion 44 is similarly bent so as to overlap the outside of the first exterior portion 50, and the insertion portion 444 of the lid portion 44 is formed in the first slit 51 of the first exterior portion 50. The paper package 9 is completed by inserting it. In this state, the paper package 9 is sold.

  Next, a method of using the paper package 9 will be described with reference to FIGS. 6, 14, 15, 16, 17, and 18. FIG. 15 is a perspective view showing an opening operation when the paper package 9 is used, and FIG. 16 is a perspective view showing an opening operation when the paper package 9 is used. FIG. 17 is a perspective view showing an unsealing operation when the paper package 9 is used, and FIG. 18 is a side sectional view showing an attaching operation of the paper package 9 to the printing apparatus 1.

  First, when the paper package 9 is used, the lid portion 44 of the paper package 9 in the state shown in FIG. 14 is raised as shown in FIG. 15, and then, as shown in FIG. The lid 44 is folded back. Then, as shown in FIG. 17, the insertion part 444 of the lid tip 443 of the lid part 44 is inserted into the third slit 45 from the guide part 71 exposed from the third slit 45 of the bottom part 40, and as shown in FIG. The lid portion 44 is fixed to the bottom portion 40. The paper package 9 in this state is stored in the paper storage unit 6 of the printing apparatus 1 as shown in FIG. When the lid 10 is closed, the first exterior portion 50 of the paper package 9 is pressed by the pressing plate 18, and the lowermost layer portion of the stacked paper 7 is pressed against the pickup roller 12.

  At this time, the reflective optical sensor 80 provided in the printing apparatus 1 faces the notch 53 provided in the first exterior part 50 of the paper package 9 (see FIGS. 3 and 4). Therefore, when the sheet 7 is present in the sheet package 9, the reflective optical sensor 80 detects the reflected light from the sheet 7, and when the sheet 7 is not present, the pressure plate 18 of the lid 10 is configured. The reflected light from the synthetic resin is detected.

  As described above, in the paper package 9 of the present embodiment, since the guide portion 71 is exposed from the third slit 45 of the bottom portion 40, the lid tip portion 443 of the lid portion 44 is used when the paper package 9 is used. It is possible to easily insert the insertion portion 444 formed in the third slit 45 from the guide portion 71.

  The present invention is not limited to the above embodiment, and various modifications can be made. For example, the third slit 45 is not limited to an arc shape, and may be formed in a rectangle, a triangle, or the like.

  Furthermore, the tongue part 70 does not necessarily have to be a rectangle, and may be any shape that can close the gap formed by the guide part 71 from the inside.

1 is a perspective view of a printing apparatus 1. FIG. It is arrow direction sectional drawing in the II line | wire shown in FIG. FIG. 6 is a diagram showing a state in which a paper package 9 is set in the paper storage unit 6. FIG. 3 is an enlarged cross-sectional view showing details of a paper separation unit 11 and a printing mechanism unit 14. 3 is a perspective view of a paper package 9. FIG. It is a perspective view of the paper package 9 in a state where the lid 44 is folded back. 7 is a bottom view of the paper package 9. FIG. FIG. 6 is a development view viewed from the outside of the package material 8. FIG. 6 is a perspective view of a developed state as viewed from the inside of the package material 8. 10 is a perspective view showing a process for manufacturing the paper package 9. FIG. 10 is a perspective view showing a process for manufacturing the paper package 9. FIG. 10 is a perspective view showing a process for manufacturing the paper package 9. FIG. FIG. 10 is a perspective view showing a process of inserting the paper 7 into the paper package 9. 10 is a perspective view showing a process for manufacturing the paper package 9. FIG. 7 is a perspective view showing an opening operation when the paper package 9 is used. FIG. 7 is a perspective view showing an opening operation when the paper package 9 is used. FIG. 7 is a perspective view showing an opening operation when the paper package 9 is used. FIG. FIG. 6 is a side cross-sectional view showing the mounting operation of the paper package 9 to the printing apparatus 1.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Printing apparatus 2 Main body case 3 Frame 4 Lower cover 5 Upper cover 6 Paper storage part 7 Paper 8 Package material 9 Paper package 10 Cover body 11 Paper separation part 14 Printing mechanism part 40 Bottom part 41 Side wall part 42 Side wall part 44 Cover part 45 First Three slits 50 First exterior part 51 First slit 52 Second slit 54 Cut part 55 Side wall part 60 Second exterior part 61 Insertion part 70 Tongue part 441 Cover base part 442 Cover sidewall part 443 Cover tip part 444 Insertion part 71 Guide

Claims (2)

A paper package mounted on the printing apparatus to supply paper as a printing medium to the printing apparatus,
Laminated paper,
A package material covering the outside of the laminated paper,
The package material is at least
A rectangular first portion covering a part of one side surface of the stacked paper in the stacking direction;
A second rectangular portion extending from one end portion of the first portion so as to be bendable and covering a part of one side of the sheet in the stacking direction together with the first portion;
A rectangular third portion that extends in a foldable manner from an end opposite to the connection portion with the first portion in the second portion, and covers the side surface of the stacked sheets;
A fourth portion extending so as to be bendable from an end opposite to the connection portion with the second portion in the third portion;
A fifth rectangular portion facing the first portion and covering the other surface opposite to the one surface in the stacking direction of the stacked sheets;
A rectangular sixth portion extending from one end of the fifth portion;
A seventh portion extending so as to be bendable from an end opposite to the connecting portion with the fifth portion in the sixth portion;
In the fourth part is formed at the end opposite to the connection part with the third part, and the insertion part is formed narrower than the fourth part,
When using a paper package formed on the first part, the second part to the fourth part are folded back, the notch part into which the insertion part is inserted,
The seventh portion extends from the end opposite to the connection portion with the sixth portion, and in the assembled state of the paper package, penetrates the cut portion and is exposed to the outer surface of the first portion. A paper package comprising: a guide portion that guides the insertion portion to the cut portion.   2. The paper package according to claim 1, wherein the cut portion is formed by being cut in an arc shape in which an apex of an arc is directed in an insertion direction of the insertion portion.

Images