JP2009007017A - Paper container with plug - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a paper container with a plug capable of efficiently and easily separating a paper container body from the plug. <P>SOLUTION: A paper container body 9 comprising a bottomed barrel part 7 and a top part 8 for closing it is formed of a paper container material with a thermoplastic resin layer overlying both front face and back sides of a cardboard base material. In a paper container 1A with the plug, the plug 14 is provided on a flat part 12 of the top part 8 while the flange part 14a of the plug 14 is fixed to the surface of the flat part 12 of the top part 8 in a liquid-tight manner. A substantially arcuate first form-assist folding line 16 connected to both ends of a top horizontal rule 15 or the vicinity thereof overlapping a part of the flange part 14a of the plug 14 and forming a boundary between the flat part 12 of the top part 8 and a flat part 6 of the barrel part 7 is formed on the flat part 12 of the top part 8 of the paper container. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a paper container main body and a paper container with a stopper that enables the stopper provided in the paper container main body to be separated.

  As a paper container with a cap for storing liquids such as milk and juice, it is composed of a bottomed body part and a top part that closes it with a paper container material in which a thermoplastic resin layer is laminated on both the front and back sides of a paperboard substrate. A paper container with a cap is provided, in which a plastic spigot is formed on the flat portion of the top, and a flange portion of the spigot is fixed in a liquid-tight manner on the surface of the flat portion of the cap. There is.

Such a stoppered paper container is separated into a paper container body and a stopper for reuse when the use is finished, but this separation has been a troublesome operation. Therefore, in order to easily separate the paper container body and the stopper, a paper container with a stopper provided with a half cut around the flange portion of the stopper fixed to the paper container body is provided. It has been proposed (see, for example, Patent Document 1). A paper container with a stopper provided with a half cut around the flange portion of the stopper, the paper container body and the stopper are separated by delaminating the inside of the half cut of the paper container body as if the stopper is brought down, Alternatively, the half-cut end is raised from a part of the half-cut to cause delamination, and the peeled end is pulled to delaminate the inside of the half-cut of the paper container main body to separate the paper container main body and the plug. It has become.
JP-A-9-221128

  However, in the paper container with a stopper provided with a half cut around the flange part of the above-mentioned stopper, a force is required when the stopper is brought down, and the paper container body is deformed even if the stopper is brought down. Because the inside of the half cut may not be delaminated, it is difficult to delaminate the inside of the half cut of the paper container body by depressing the cap, while there is no clue when raising the half cut end Therefore, it is difficult to raise the half-cut end part and delaminate the inside of the half-cut of the paper container body, and separation of the paper container body and the plug is still troublesome. It cannot be said that it can be easily separated.

  An object of the present invention is to provide a paper container with a stopper having a structure capable of efficiently and easily separating the paper container main body and the stopper.

  In order to achieve the above object, the invention described in claim 1 includes a bottomed body portion and a top portion that is closed by a paper container material in which a thermoplastic resin layer is laminated on both front and back surfaces of a paperboard substrate. A paper container with a cap is formed, wherein a paper container body is formed, and a cap is provided on the flat portion of the top, and a flange portion of the cap is liquid-tightly fixed to the surface of the flat portion of the top. The top portion of the top portion overlaps with a part of the flange portion of the plug and is at or near both ends of a top horizontal ruled line that becomes a boundary between the top portion of the top portion and the flat portion of the trunk portion. A substantially arc-shaped first forming auxiliary folding line to be connected is provided.

  The invention described in claim 2 is the flat portion of the trunk portion adjacent to the flat portion of the top portion provided with the spigot described in claim 1, at both ends of the top horizontal ruled line or in the vicinity thereof. A substantially arc-shaped second forming auxiliary folding line to be connected is provided.

  According to a third aspect of the present invention, in the surface of the flat portion of the top portion according to the first or second aspect, a half cut is provided along the outer peripheral edge of the flange portion of the plug. And

  According to a fourth aspect of the present invention, a paper container body comprising a bottomed body portion and a top portion closing the top is formed by a paper container material in which a thermoplastic resin layer is laminated on both front and back surfaces of a paperboard substrate. A stopper is provided on the flat surface of the top, and the flange portion of the plug is liquid-tightly fixed to the surface of the flat surface of the top. The flat portion of the body portion adjacent to the flat portion of the top portion is provided with substantially arc-shaped second forming auxiliary folding lines connected to both ends of the top horizontal ruled line or the vicinity thereof, and the flat portion of the top portion and the flat portion. The surface of the flat portion of the body portion adjacent to the flange portion surrounds the flange portion of the plug and extends to the flat portion of the body portion across the top horizontal ruled line, and the end thereof is the second forming auxiliary folding line. The peeled piece is formed by a half-cut provided to match or cross And wherein the Rukoto.

  According to the paper container with a cap according to claim 1, the flat portion of the top portion overlaps a part of the flange portion of the plug and includes a flat portion of the top portion and a flat portion of the trunk portion. Since there is a substantially arc-shaped first forming auxiliary fold line connected to both ends of the top horizontal ruled line that becomes the boundary or the vicinity thereof, when the top horizontal ruled line is pushed down when separating the paper container main body and the plug, a mountain fold state The top horizontal ruled line is recessed in a valley folded state, the flat portion of the top protrudes in a mountain folded state at a first molding auxiliary folding line, and the first molding auxiliary of the flange portion of the plug The portion on the side of the top horizontal ruled line with respect to the fold line breaks up one or more layers including the thermoplastic resin layer laminated on the surface of the paperboard substrate, and rises from the paper container body. One or more layers including the thermoplastic resin layer around the flange portion are broken by picking up the raised flange portion, the paper container material is delaminated, and the paper container body and the plug are separated. Since it can be separated, the paper container body and the plug can be easily separated by a simple operation.

  According to the paper container with a cap according to claim 2, the flat portion of the trunk portion adjacent to the flat portion of the top portion provided with the spigot according to claim 1 Since the substantially arc-shaped second forming auxiliary folding line connected to both ends of the ruled line or the vicinity thereof is provided, when the top horizontal ruled line is pushed down during the separation of the paper container main body and the plug, the plane part of the body part is also Since the second forming auxiliary fold line is in a mountain fold state, the top horizontal ruled line can be easily and reliably recessed as a valley fold state, and the paper container main body and the plug can be stably and easily separated. Can do.

  According to the paper container with a cap according to claim 3, a half cut is provided on the surface of the flat portion of the top portion along the outer peripheral edge of the flange portion of the spigot according to claim 1 or 2. When the paper container body and the plug are separated, the top horizontal ruled line is depressed in a mountain folded state by pressing down the top horizontal ruled line, and the flat part of the top part is recessed. Is projected in a mountain-folded state at the first forming auxiliary folding line, and when a lifting action is applied to a portion of the flange portion of the plug closer to the top horizontal ruled line side than the first forming auxiliary folding line, The paper container material is delaminated and lifted up inside the half cut provided along the outer peripheral edge of the part of the part. By picking up the lifted portion, the paper container material surrounded by the remaining half-cut portion can be easily delaminated and the paper container body and the plug can be separated. And the plug can be more easily separated.

  According to the paper container with a cap according to claim 4, the flat portion of the body portion adjacent to the flat portion of the top portion provided with the plug is connected to both ends of the top horizontal ruled line or the vicinity thereof. A substantially arc-shaped second forming auxiliary folding line is provided, and on the surface of the flat portion of the top portion and the flat portion of the trunk portion adjacent to the flat portion, the flange portion of the spigot is surrounded, and the top horizontal ruled line is provided. Since the stripped piece is formed by half-cut extending across the trunk to the flat part of the body part so that its end part coincides with or crosses the second forming auxiliary folding line, the paper container body and the mouth When separating from the stopper, the top horizontal ruled line is pushed down to dent the top horizontal ruled line in a valley folded state, and the flat part of the trunk is folded into a second forming auxiliary folding line. Protrudes into a state and extends to the flat part of the body Paper container material of the tip portion of the release strip portion formed by half-cut provided as such or in transverse second to match the molding auxiliary fold line floats to delamination. Since the lifted tip of the peeled piece is picked up and the paper container material of the peeled piece surrounded by the half-cut is peeled off and separated, the plug is also separated together with the peeled piece. Separation of the container body and the cap can be easily performed by a simple operation.

  Hereinafter, the best mode for carrying out a paper container with a stopper according to the present invention will be described in detail with reference to the drawings.

  1 to 5 show a first embodiment of a paper container with a stopper according to the present invention. FIG. 1 is a perspective view showing the paper container with a stopper according to the first embodiment, and FIG. FIG. 3 is an enlarged cross-sectional view of a main part showing a state in which a downward pressing force is applied to the top horizontal ruled line of the paper container with a stopper according to the embodiment. FIG. 3 shows the paper container with a stopper according to the first embodiment deformed by the pressing force according to FIG. FIG. 4 is an enlarged cross-sectional view of the main part showing a state in which a part of the plug is lifted from the paper container main body due to the deformation by the pressing force shown in FIG. 3, and FIG. 5 is a state in which the plug is separated from the paper container main body. It is a principal part expanded sectional view which shows this.

  This example is an example in which the present invention was implemented in a gable top paper container 1A. As shown in FIG. 1, by a paper container material 5 in which thermoplastic resin layers 3 and 4 are laminated on both front and back surfaces of a paperboard substrate 2, A paper container body 9 is formed which includes a bottomed body portion 7 having a structure in which adjacent portions of the four flat portions 6 are connected at right angles, and a gable roof-type top portion 8 whose upper portion is closed.

  The top part 8 of the gable roof type is composed of a gable roof surface 10 and a gutter wall 11 that closes both ends of the gable roof surface 10, and a flat surface portion 12 that forms the gable roof surface 10 (hereinafter referred to as a flat surface portion 12 of the top portion 8). An opening 13 is formed, and a plastic spigot 14 is provided on the surface of the flat portion 12 of the top 8 so as to close the opening 13. The plug 14 is provided with its flange portion 14 a fixed in a liquid-tight manner by fusion to the thermoplastic resin layer 3 around the opening 13 of the flat portion 12 of the top portion 8.

  In this example, the flat portion 12 of the top portion 8 has a top horizontal ruled line 15 that overlaps a part of the flange portion 14 a of the plug 14 and serves as a boundary between the flat portion 12 of the top portion 8 and the flat portion 6 of the trunk portion 7. A substantially arc-shaped first forming auxiliary folding line 16 connected to both ends is provided.

  According to the gable top paper container 1A having such a structure, when the top horizontal ruled line 15 is pushed down when the paper container main body 9 and the stopper 14 are separated (FIG. 2), the top horizontal ruled line 15 in the mountain folded state is formed. It dents in a valley fold state, and the flat surface portion 12 of the top 8 protrudes in a mountain fold state at the first forming auxiliary fold line 16. As a result, the portion of the flange 14a of the spigot 14 that overlaps the first forming auxiliary folding line 16 and is located on the top horizontal ruled line 15 side of the first forming auxiliary folding line 16 is laminated on the surface of the paperboard substrate 2. The resin layer 3 is broken and lifted from the paper container body 9 (FIGS. 3 and 4).

  By partially picking up the raised flange portion 14a, the thermoplastic resin layer 3 around the flange portion 14a is broken to delaminate the paper container material 5, and the paper container body 9 and the spout 14 Isolate.

  In this example, the first forming auxiliary folding line 16 is provided so as to be connected to both ends of the top horizontal ruled line 15, but may be provided so as to be connected in the vicinity of both ends of the top horizontal ruled line 15.

  FIG. 6 is a perspective view showing a second embodiment of the paper container with a stopper according to the present invention. Note that portions corresponding to those in the first embodiment are denoted by the same reference numerals.

  This example is also an example in which the present invention is implemented in the gable top paper container 1A, and in this example, the flat portion 6 of the trunk portion 7 adjacent to the flat portion 12 of the top portion 8 provided with the plug 14 is provided. A substantially arc-shaped second forming auxiliary folding line 17 connected to both ends of the top horizontal ruled line 15 is provided. Since other configurations are the same as those of the first embodiment described above, the description of the first embodiment is used.

  According to the gable top paper container 1A having such a structure, when the paper container body 9 and the stopper 14 are separated, the paper container body 9 and the stopper 14 are separated by the same operation as in the first embodiment. However, when the top horizontal ruled line 15 is pushed down, the flat part 6 of the body part 7 is also in a mountain folded state at the second forming auxiliary folding line 17, so that the top horizontal ruled line 15 is easily and reliably made into a valley folded state. Therefore, the paper container main body 9 and the plug 14 can be separated stably and easily.

  In this example, the second forming auxiliary folding line 17 is provided so as to be connected to both ends of the top horizontal ruled line 15, but may be provided so as to be connected in the vicinity of both ends of the top horizontal ruled line 15.

  7 to 10 show a third embodiment of the paper container with a stopper according to the present invention, FIG. 7 is a perspective view showing the paper container with a stopper of the third embodiment, and FIG. FIG. 9 is an enlarged cross-sectional view of a main part showing a state in which a downward pressing force is applied to the top horizontal ruled line of the paper container with a stopper of the embodiment, and FIG. 9 is a part of the stopper from the paper container main body due to the deformation by the pressing force shown in FIG. The principal part expanded sectional view which shows the state which floated, FIG. 10: is a principal part expanded sectional view which shows the state which the stopper plug isolate | separated from the paper container main body. Note that portions corresponding to those in the first embodiment and the second embodiment described above are denoted by the same reference numerals.

  This example is also an example in which the present invention is applied to the gable top paper container 1A. In this example, the flange portion 14a of the plug 14 is formed on the surface of the flat portion 12 of the top 8 where the plug 14 is provided. A half cut 18 is provided along the outside of the outer peripheral edge. Since other configurations are the same as those of the second embodiment described above, the description of the second embodiment is incorporated.

  According to the gable top paper container 1A having such a structure, when the top horizontal ruled line 15 is pushed down by the same operation as in the first embodiment when the paper container body 9 and the stopper 14 are separated (FIG. 8), The top horizontal ruled line 15 that was in the mountain folded state is recessed in a valley folded state, and the flat surface portion 12 of the top 8 protrudes in a mountain folded state at the first molding auxiliary folding line 16, and the flange 14 a of the plug 14 When a lifting action is applied to the portion on the top horizontal ruled line 15 side with respect to the first forming auxiliary folding line 16, the paper container is placed inside the half cut 18 provided along the outer peripheral edge of the portion of the flange portion 14a. Material 5 delaminates and floats (FIG. 9). By lifting and lifting the lifted portion, the paper container material 5 surrounded by the remaining portion of the half cut 18 is easily delaminated and the paper container body 9 and the plug 14 are separated.

  11 to 14 show a fourth embodiment of the paper container with a stopper according to the present invention. FIG. 11 is a perspective view showing the paper container with a stopper according to the fourth embodiment, and FIG. FIG. 13 is an enlarged cross-sectional view of a main part showing a state in which a downward pressing force is applied to the top horizontal ruled line of the paper container with a stopper of the embodiment, and FIG. 13 shows a part of the stopper from the paper container body due to the deformation by the pressing force shown in FIG. The principal part expanded sectional view which shows the state which isolate | separated, FIG. 14: is a principal part expanded sectional view which shows the state which the stopper raised from the paper container main body. Note that portions corresponding to those in the first embodiment and the second embodiment described above are denoted by the same reference numerals.

  This example is also an example in which the present invention is applied to the gable top paper container 1A. In this example, the flange portion 14a of the plug 14 is formed on the surface of the flat portion 12 of the top portion 8 where the plug 14 is provided. A half cut 18 is provided along the inside of the outer peripheral edge of the. Since other configurations are the same as those of the second embodiment described above, the description of the second embodiment is incorporated.

  According to the gable top paper container 1A having such a structure, when the paper container body 9 and the stopper 14 are separated, the paper container body 9 and the stopper 14 are separated by the same operation as in the third embodiment. be able to.

  15 to 18 show a fifth embodiment of the paper container with a stopper according to the present invention, FIG. 15 is a perspective view showing the paper container with a stopper of the fifth embodiment, and FIG. FIG. 17 is an enlarged cross-sectional view of a main part showing a state in which a downward pressing force is applied to the top horizontal ruled line of the paper container with a stopper of the embodiment, and FIG. FIG. 18 is an enlarged cross-sectional view of the main part showing a state where the spout is separated from the paper container main body. Note that portions corresponding to those in the first embodiment and the second embodiment described above are denoted by the same reference numerals.

  This example is also an example in which the present invention is implemented in the gable top paper container 1A, and in this example, the flat portion 6 of the trunk portion 7 adjacent to the flat portion 12 of the top portion 8 provided with the plug 14 is provided. A substantially arc-shaped second forming auxiliary folding line 17 connected to both ends of the top horizontal ruled line 15 is provided, and the plug 14 is formed on the surface of the flat part 12 of the top part 8 and the flat part 6 of the trunk part 7 adjacent to the flat part 12. The peeling piece 20 is formed by a half-cut 19 that surrounds the flange portion 14 a and extends to the flat surface portion 6 of the body portion 7 across the top horizontal ruled line 15, and has an end portion that crosses the second forming auxiliary folding line 17. Is formed. Since other configurations are the same as those of the second embodiment described above, the description of the second embodiment is incorporated.

  According to the gable top paper container 1A having such a structure, when the top horizontal ruled line 15 is pushed down by the same operation as in the first embodiment when the paper container body 9 and the stopper 14 are separated (FIG. 16), The top horizontal ruled line 15 that was in the mountain fold state is recessed in a valley fold state, and the flat surface portion 6 of the body portion 7 protrudes in a mountain fold state at the second forming auxiliary fold line 17, and is projected on the flat surface portion 6 of the body portion 7. The paper container material 5 at the tip of the peeling piece 20 formed by the half cut 19 provided so as to cross the second forming auxiliary folding line 17 is delaminated and lifted up (FIG. 17). By peeling and lifting the tip of the peeled piece 20 that has been lifted, the paper container material 5 of the peeled piece 20 surrounded by the half-cut 19 is peeled off and separated, and the plug 14 is also with the peeled piece. Is separated from the paper container main body 9.

  In this example, the second forming auxiliary folding line 17 is provided so as to be connected to both ends of the top horizontal ruled line 15, but may be provided so as to be connected in the vicinity of both ends of the top horizontal ruled line 15. Moreover, although the edge part of the peeling piece part 20 formed by the half cut 19 crosses the 2nd shaping | molding auxiliary | assistant folding line 17, it seems that the edge part of the peeling piece part 20 corresponds with the 2nd shaping | molding auxiliary folding line 17. It may be.

  Each of the first to fifth embodiments described above is an embodiment in which the present invention is applied to the gable top paper container 1A, but can be similarly applied to a flat top paper container having a flat roof. . An example in which the present invention is implemented in a flat top paper container will be described as a sixth embodiment and a seventh embodiment.

  FIG. 19 is a perspective view showing a sixth embodiment of the paper container with a stopper according to the present invention. Note that portions corresponding to those in the first embodiment are denoted by the same reference numerals.

  In this example, as described above, the present invention is applied to a flat top paper container 1B having a flat roof, and as shown in FIG. A paper container main body 9 including a bottomed body portion 7 having a structure in which the portions are connected at right angles and a top portion 8 of a flat roof with the upper portion closed is formed.

  The flat portion 12 of the top portion 8 is provided with a plastic plug 14 on the surface thereof. The plug 14 is provided with a flange portion 14 a that is liquid-tightly fixed to the thermoplastic resin layer 3 around the opening 13 formed in the flat portion 12 of the top portion 8 by fusion.

  In this example, as in the second embodiment described above, the flat surface portion 12 of the top portion 8 overlaps with a part of the flange portion 14a of the plug 14 and the flat surface portion 12 of the top portion 8 and the flat surface portion 6 of the trunk portion 7 A flat portion of the body portion 7 adjacent to the flat portion 12 of the top portion 8 provided with substantially arc-shaped first forming auxiliary folding lines 16 connected to both ends of the top horizontal ruled line 15 serving as a boundary of the top portion 8 is further provided. 6, second arc-shaped second forming folding lines 17 connected to both ends of the top horizontal ruled line 15 are provided. Since other configurations are the same as those of the first embodiment described above, the description of the first embodiment is used.

  According to the flat top paper container 1B having such a structure, when the paper container body 9 and the stopper 14 are separated, the paper container body 9 and the stopper 14 are separated by the same operation as in the first embodiment. be able to. For details of the separation process, the second embodiment is used.

  In this example, the first forming auxiliary folding line 16 and the second forming auxiliary folding line 17 are provided to be connected to both ends of the top horizontal ruled line 15, but are provided to be connected to the vicinity of both ends of the top horizontal ruled line 15. May be.

  FIG. 20 is a perspective view showing a seventh embodiment of the paper container with a stopper according to the present invention. Note that portions corresponding to those in the first embodiment are denoted by the same reference numerals.

  This example is an example in which the present invention is applied to the flat top paper container 1B having a flat roof as described above. In this example, the surface of the flat portion 12 of the top portion 8 provided with the plug 14 is used. In addition, a half cut 18 is provided along the outside of the outer peripheral edge of the flange portion 14a of the plug 14. Since the other configuration is the same as that of the sixth embodiment described above, the description of the sixth embodiment is cited.

  According to the flat top paper container 1B having such a structure, when the paper container body 9 and the stopper 14 are separated, the paper container body 9 and the stopper 14 are separated by the same operation as in the first embodiment. be able to. For details of the separation process, the third embodiment is used.

The perspective view which showed 1st Example of the paper container with a stopper concerning this invention. The principal part expanded sectional view which shows the state which applies downward pressing force to the top horizontal ruled line of the paper container with a stopper of 1st Example. The perspective view which shows the paper container with a stopper of 1st Example deform | transformed by the pressing force by FIG. The principal part expanded sectional view which shows the state which one part of the stopper raised from the paper container main body by the deformation | transformation by the pressing force shown in FIG. The principal part expanded sectional view which shows the state which isolate | separates a spout from a paper container main body. The perspective view which showed 2nd Example of the paper container with a stopper concerning this invention. The perspective view which showed 3rd Example of the paper container with a stopper concerning this invention. The principal part expanded sectional view which shows the state which applies downward pressing force to the top horizontal ruled line of the paper container with a stopper of 3rd Example. The principal part expanded sectional view which shows the state which one part of the stopper raised from the paper container main body by the deformation | transformation by the pressing force shown in FIG. The principal part expanded sectional view which shows the state which the stopper plug isolate | separated from the paper container main body. The perspective view which showed 4th Example of the paper container with a stopper concerning this invention. The principal part expanded sectional view which shows the state which applies downward pressing force to the top horizontal ruled line of the paper container with a stopper of 4th Example. FIG. 13 is an enlarged cross-sectional view of a main part showing a state in which a part of the cap is lifted from the paper container main body due to the deformation by the pressing force shown in FIG. 12. The principal part expanded sectional view which shows the state which the stopper plug isolate | separated from the paper container main body. The perspective view which showed 5th Example of the paper container with a stopper concerning this invention. The principal part expanded sectional view which shows the state which applies downward pressing force to the top horizontal ruled line of the paper container with a stopper of 5th Example. The principal part expanded sectional view which shows the state which the front-end | tip part of the peeling piece part floated from the paper container main body by the deformation | transformation by the pressing force shown in FIG. The principal part expanded sectional view which shows the state which the stopper plug isolate | separated from the paper container main body. The perspective view which showed 6th Example of the paper container with a stopper concerning this invention. The perspective view which showed 7th Example of the paper container with a stopper concerning this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1A Gable top paper container 1B Flat top paper container 2 Paperboard base material 3,4 Thermoplastic resin layer 5 Paper container material 6 Plane part 7 Trunk part 8 Top part 9 Paper container main body 10 Gable roof surface 11 Wife wall 12 Plane part 13 Opening part 14 Mouth 14a Flange part 15 Top horizontal ruled line 16 First forming auxiliary folding line 17 Second forming auxiliary folding line 18, 19 Half cut 20 Peeling piece part

Claims (4)

A paper container body is formed by a paper container material in which a thermoplastic resin layer is laminated on both front and back surfaces of a paperboard substrate, and a bottomed body portion and a top portion closing the top are formed. Is a paper container with a stopper provided by fixing the flange portion of the stopper liquid-tightly to the surface of the flat part of the top part,
The flat portion of the top portion has a substantially arc shape that overlaps with a part of the flange portion of the plug and is connected to both ends of the top horizontal ruled line that is a boundary between the flat portion of the top portion and the flat portion of the trunk portion or the vicinity thereof. The paper container with a stopper characterized by the above-mentioned.   The flat part of the trunk part adjacent to the flat part of the top part provided with the plug is provided with a substantially arc-shaped second forming auxiliary folding line connected to both ends of the top horizontal ruled line or the vicinity thereof. The paper container with a stopper according to claim 1, wherein the paper container has a stopper.   The paper container with a cap according to claim 1 or 2, wherein a half cut is provided on a surface of the flat portion of the top portion along an outer peripheral edge of a flange portion of the cap. A paper container body is formed by a paper container material in which a thermoplastic resin layer is laminated on both front and back surfaces of a paperboard substrate, and a bottomed body portion and a top portion closing the top are formed. Is a paper container with a stopper provided by fixing the flange portion of the stopper liquid-tightly to the surface of the flat part of the top part,
The flat portion of the body portion adjacent to the flat portion of the top portion where the plug is provided is provided with a second arc-shaped second auxiliary folding line connected to both ends of the top horizontal ruled line or the vicinity thereof, The surface of the flat portion of the trunk portion adjacent to the flat portion and the flat portion surrounds the flange portion of the spigot and extends to the flat portion of the trunk portion across the top horizontal ruled line, and an end portion thereof A paper container with a stopper, wherein a peeling piece portion is formed by a half cut provided so as to coincide with or cross the second forming auxiliary folding line.

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