JP2017024741A - Paper container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a paper container which does not swell, is easily held and hardly slips off, and further, is unlikely to pose problems in preservation, transportation, or the like.SOLUTION: A paper container includes four body part panels 4, 5 continuously formed with body part vertical holding lines 1, 2, 8 thereamong and a square body part 36 is formed with vertical seal panels extended through the seal vertical holding line 8 at an open end edge of the body part panel. A part of body part panels 4, 5 on both sides with the body part vertical holding line 1 in between is bonded along the body part vertical holding line 1. In addition, a part of the body part panels 5 on both sides with the body part vertical holding line 2 in between is bonded along the body part vertical holding line 2, and ribs 34, 35 are formed on the body part vertical holding line 1.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a paper container having a gable roof type top that contains a liquid beverage such as milk or juice, and a paper container (including a brick type paper container) having a flat top type top.

  Conventionally, a pair of gable roof forming panels and a pair of gable wall forming panels folded on the inside are provided on a trunk formed in a square cylindrical shape by a seal of a vertical seal panel, which has four trunk panels. A gable roof type (gable top type) paper container having a top portion constituted by a pair of bottom panel under the trunk portion and a bottom portion constituted by a pair of inner surface panels folded inside thereof, and a pair And a bottom part constituted by a pair of bottom panels and a pair of inner panels folded inside the trunk part. A flat-top type paper container having the above is widely used.

  In general, this type of paper container is often used for a paper container having a large capacity. However, depending on the weight of the contents, there is a risk of causing a so-called swollen body. In addition, since this type of paper container is handled by gripping the trunk when the contents are poured out or carried, it becomes difficult to hold when the trunk is swollen. In particular, when the capacity of the paper container is large or when water droplets are attached to the surface due to condensation, the paper container may slip and drop from the hand. In order to avoid this, it is common to use a paper material having a large basis weight and a high rigidity.

As a paper container that can cope with such a situation, each trunk panel of the trunk section is formed with a ridge in parallel with the bottom, and at the corner where each adjacent trunk panel intersects, that is, at the ridge line section and its vicinity. A paper container in which a region continuous with a ridge is formed in a recess has been proposed (see, for example, Patent Document 1).
In the paper container described in Patent Document 1, the rigidity of each body panel is increased by the protrusions formed on each body panel of the body part, and it is possible to prevent the swelling of the body. Further, the paper container is gripped by the protrusions. It is easy to hold without slipping.

JP 2007-55637 A

In the paper container described in Patent Document 1, the rigidity of each body panel is increased by the ridges formed on each body panel of the body part, and the body bulge is prevented, and further, the ridges are easily grasped. Although it can hold | maintain without slipping, since a protrusion protrudes from the trunk | drum of a paper container, there exists a problem that a protrusion may be damaged at the time of storage and conveyance of a paper container.
In addition, the prevention of torsion and slipping depends on the protruding height of the ridge, and if the height of the ridge is low, the rigidity of each torso panel is reduced accordingly, and the effect of preventing torso is reduced. Since it becomes easy to slip when grasped, it is necessary to increase the height of the momentary protrusion in order to prevent the swelling of the trunk and the prevention of slipping. However, if the height of the ridge is increased, for example, a large gap is formed between the paper containers when the paper containers are arranged, so that the storage amount and transport amount of the paper containers are reduced, and the storage and transport of the paper containers are reduced. There is a problem of causing trouble.

  An object of the present invention is to provide a paper container that can prevent deformation of the paper container, prevent slipping when gripped, and make it easy to hold, and that does not cause trouble in storage and transportation. It is in.

  In order to achieve the above object, the invention described in claim 1 is composed of a paper material in which a thermoplastic resin is laminated on the front and back surfaces, and includes four body panels arranged continuously through a body vertical folding line. A square body is formed by a vertical seal panel that is connected to the open end edge of the body panel via a seal vertical fold line, and a pair of the body panels that are opposed to each other via a top horizontal fold line at the upper end of the body panel And a pair of side panels facing each other and positioned between the pair of top panels, and the pair of top panels and the pair of side panels are folded and sealed to be sealed. A top portion is formed, and at the lower end of the body panel, a pair of bottom panels facing each other via a bottom lateral folding line, and a pair of inner panels facing each other positioned between the pair of bottom panels The pair In a paper container in which a bottom portion is formed by folding a bottom panel and the pair of inner surface panels to be sealed and sealed, a part of the body panel on both sides sandwiching the body vertical folding line is vertically Adhering along a fold line, a rib is formed on the trunk vertical fold line.

  According to a second aspect of the present invention, there is provided a rib forming fold line for forming the rib on one or both of the body panel on both sides of the body vertical fold line according to the first aspect. It is provided along a broken line.

  According to a third aspect of the present invention, the rib forming fold line according to the second aspect is characterized in that both ends thereof are connected to or close to the trunk vertical fold line.

  The invention described in claim 4 is made of a paper material in which a thermoplastic resin is laminated on the front and back surfaces, and includes four body panels that are arranged continuously through a body vertical folding line, and is provided at an open edge of the body panel. A rectangular barrel is formed by a longitudinal seal panel that is provided continuously through a seal vertical fold line, and a pair of top surface panels that are opposed to each other via a top horizontal fold line at the upper end of the barrel panel, and the pair of pairs A pair of side panels facing each other and positioned between the top panels are connected to each other, and the pair of top panels and the pair of side panels are folded, sealed, and sealed to form a top, A pair of bottom panels facing each other via a bottom horizontal folding line and a pair of facing inner panels positioned between the pair of bottom panels are connected to the lower end of the body panel, and the pair of bottom panels And the pair of inner surfaces In a paper container in which a bottom is formed by being folded and sealed and sealed, a part of the body panel on both sides sandwiching the body vertical fold line is bonded along the body vertical fold line, Further, the body panel on both sides sandwiching the seal vertical fold line and a part of the vertical seal panel are bonded along the seal vertical fold line, and a rib is formed on the body vertical fold line and the seal vertical fold line. It is characterized by that.

  According to a fifth aspect of the present invention, there is provided a rib forming fold line for forming the rib on one or both of the body panel on both sides of the body vertical fold line according to the fourth aspect. A rib forming fold line is formed along the seal vertical fold line, and is formed on one or both of the body panel and the vertical seal panel on both sides of the seal vertical fold line. It is characterized by being provided.

  The invention according to claim 6 is the rib forming fold line provided along the trunk vertical fold line according to claim 5, wherein both ends thereof are connected to or close to the trunk vertical fold line, and The rib forming fold line provided along the seal vertical fold line is characterized in that both ends thereof are connected to or close to the seal vertical fold line.

  The invention described in claim 7 is made of a paper material in which a thermoplastic resin is laminated on the front and back surfaces, and includes four body panels that are arranged continuously through a body vertical folding line, and is provided at an open edge of the body panel. A rectangular barrel is formed by a longitudinal seal panel that is provided continuously through a seal vertical fold line, and a pair of top surface panels that are opposed to each other via a top horizontal fold line at the upper end of the barrel panel, and the pair of pairs A pair of side panels facing each other and positioned between the top panels are connected to each other, and the pair of top panels and the pair of side panels are folded, sealed, and sealed to form a top, A pair of bottom panels facing each other via a bottom horizontal folding line and a pair of facing inner panels positioned between the pair of bottom panels are connected to the lower end of the body panel, and the pair of bottom panels And the pair of inner surfaces In a paper container in which a bottom is formed by sealing and sealing a flannel, the body panel located on both sides of the top horizontal folding line and a part of the pair of top panel and / or the A part of the body panel and the pair of side panels located on both sides of the top horizontal fold line are bonded along the top horizontal fold line, and a rib is formed on the top horizontal fold line.

  The invention according to claim 8 is the body panel according to any one of claims 1 to 6 and a part of the pair of top panel and / or the body panel located on both sides of the top horizontal folding line. Alternatively, the body panel located on both sides of the top horizontal fold line and a part of the pair of side panels are bonded along the top horizontal fold line, and a rib is formed on the top horizontal fold line. To do.

  The invention according to claim 9 is the invention according to claim 7 or 8, wherein one or both of the body panel and the top panel on both sides of the top horizontal fold line and / or the top horizontal fold line is provided. A rib forming fold line for forming the rib is provided along the top horizontal fold line on one or both of the body panel and the side panel on both sides sandwiched.

  The invention described in claim 10 is the rib forming fold line provided along the top horizontal fold line according to claim 9, wherein both ends thereof are connected to or close to the top horizontal fold line. It is characterized by.

  The invention described in claim 11 is made of a paper material in which a thermoplastic resin is laminated on the front and back surfaces, and includes four body panels connected in series via a body vertical folding line, and is provided at an open edge of the body panel. A rectangular barrel is formed by a longitudinal seal panel that is provided continuously through a seal vertical fold line, and a pair of top surface panels that are opposed to each other via a top horizontal fold line at the upper end of the barrel panel, and the pair of pairs A pair of side panels facing each other and positioned between the top panels are connected to each other, and the pair of top panels and the pair of side panels are folded, sealed, and sealed to form a top, A pair of bottom panels facing each other via a bottom horizontal folding line and a pair of facing inner panels positioned between the pair of bottom panels are connected to the lower end of the body panel, and the pair of bottom panels And inside the pair In the paper container in which the bottom is formed by folding and sealing the panel, the bottom panel and a part of the pair of bottom panels and / or the bottom located on both sides of the bottom horizontal folding line A part of the body panel and the pair of inner surface panels located on both sides of the horizontal folding line are bonded along the bottom horizontal folding line, and a rib is formed on the bottom horizontal folding line.

  A twelfth aspect of the present invention is the body panel according to any one of the first to tenth aspects, and a part of the body panel and the pair of bottom panels located on both sides of the bottom lateral folding line, and / or The trunk panel located on both sides of the bottom horizontal fold line and a part of the pair of inner surface panels are bonded along the bottom horizontal fold line, and a rib is formed on the bottom horizontal fold line. .

  A thirteenth aspect of the present invention is the invention according to the eleventh or twelfth aspect, in one or both of the body panel and the pair of bottom panels sandwiching the bottom horizontal fold line and / or the bottom horizontal fold line. A rib forming fold line for forming the rib is provided along one or both of the body panel and the pair of inner surface panels on both sides of the base along the bottom lateral fold line.

  In the invention described in claim 14, the rib forming fold line provided along the bottom horizontal fold line according to claim 13 has both ends thereof connected to or close to the bottom horizontal fold line. It is characterized by.

According to the paper container of claim 1, a part of the body panel on both sides sandwiching the body vertical fold line is bonded along the body vertical fold line, and a rib is formed on the body vertical fold line. Therefore, this rib increases the rigidity of the body portion and can prevent the body swelling.
Also, since the ribs are formed by bonding the body panels on both sides, the bonded body panels are recessed inward by that amount, and the ribs stand out from this recess. In addition, since the rib is as thick as two torso panels, the rigidity of the rib itself is high and a finger can be firmly hooked on the rib. In this way, when the body portion is held, a finger is hooked on the rib, so that slipping down when the paper container is gripped can be surely prevented, and the paper container can be easily held.
Furthermore, since the ribs fit within the outer dimensions of the paper container and do not protrude from the body, the ribs do not get in the way when storing or transporting the paper container, and there is no risk of hindering storage or transport of the paper container. .

  According to the second aspect of the present invention, the rib forming folding line for forming the rib is provided along one of the trunk vertical folding lines on one or both of the trunk panels on both sides of the trunk vertical folding line. The rib can be easily formed by bending along the rib forming folding line.

  According to the third aspect of the present invention, since the both ends of the rib forming folding line are connected to or close to the trunk vertical folding line, the rib forming folding line can be bent along the rib forming folding line to The rib can be easily formed.

According to invention of Claim 4, a part of trunk | drum panel of the both sides which pinched | interposed the trunk | drum vertical fold line was adhere | attached along the trunk | drum vertical fold line, and the trunk | drum panel of both sides which pinched | interposed the seal vertical fold line And part of the vertical seal panel is bonded along the seal vertical fold line, and ribs are formed on the body vertical fold line and the seal vertical fold line, so this rib increases the rigidity of the body and prevents torso swelling can do.
Also, since the ribs are formed by bonding the body panels on both sides, the bonded body panels are recessed inward by that amount, and the ribs stand out from this recess. In addition, since the rib is as thick as two torso panels, the rigidity of the rib itself is high and a finger can be firmly hooked on the rib. In this way, when the body portion is held, a finger is hooked on the rib, so that slipping down when the paper container is gripped can be surely prevented, and the paper container can be easily held.
In addition, when ribs are formed along all the body vertical fold lines and the seal vertical fold lines, concave portions are formed on the two surfaces of the opposing body portions. By grasping the portion by hand, the paper container can be easily held, and slipping down when the paper container is grasped can be reliably prevented.
Furthermore, since the ribs fit within the outer dimensions of the paper container and do not protrude from the body, the ribs do not get in the way when storing or transporting the paper container, and there is no risk of hindering storage or transport of the paper container. .

  According to the invention described in claim 5, rib forming fold lines for forming ribs are provided along one of the trunk vertical fold lines on one or both of the trunk panels on both sides of the trunk vertical fold line, Since one or both of the body panel and the longitudinal seal panel on both sides of the seal vertical fold line are provided with rib forming fold lines for forming ribs along the seal vertical fold line, along the rib forming fold line A rib can be easily formed by bending.

  According to the sixth aspect of the present invention, the rib forming fold line provided along the trunk vertical fold line is connected to or close to the trunk vertical fold line, and along the seal vertical fold line. Since the both ends of the fold line for forming the rib are connected to or close to the seal fold line, it can be easily ribbed on the body fold line and the seal fold line by bending along the fold line for rib formation. Can be formed.

According to invention of Claim 7, the trunk | drum panel located in the both sides which pinched | interposed the top horizontal fold line, the trunk | drum panel located in the both sides which pinched | interposed a part of a pair of top surface panel, and / or a top horizontal fold line; A part of the pair of side panels is bonded along the top horizontal fold line, and a rib is formed on the top horizontal fold line. This rib increases the rigidity of the top, especially the top horizontal fold line, and stores the paper container. When the paper container is transported or the like, it is possible to prevent the paper container from being deformed such that a force is applied to the top horizontal fold line so that the mountain-folded top horizontal fold line becomes a valley fold state and is recessed.
In addition, by forming a rib along the top horizontal fold line, when you take out the paper container by grasping the upper part of the trunk of the paper container, you can hook your finger firmly on the rib, so when you grasp the paper container Slip-off can be reliably prevented, and the paper container can be easily held.
Furthermore, since the ribs fit within the outer dimensions of the paper container and do not protrude from the body, the ribs do not get in the way when storing or transporting the paper container, and there is no risk of hindering storage or transport of the paper container. .

According to the invention described in claim 8, since the ribs are formed on the body vertical fold line and the top horizontal fold line, not only the top but also the rigidity of the body is increased, and deformation of the paper container can be further prevented. .
In addition, since ribs are formed on the trunk vertical fold line and the top horizontal fold line, not only when gripping the top of the trunk of the paper container and taking out the paper container, but also when carrying the container by gripping the trunk from the side In addition, since the finger can be firmly hooked on the rib, it is possible to surely prevent the paper container from slipping off when the paper container is gripped, and to easily hold the paper container.

  According to the ninth aspect of the present invention, one or both of the body panel and the top panel on both sides sandwiching the top horizontal folding line and / or the body panel and the side panel on both sides sandwiching the top lateral folding line are arranged. Since the rib forming fold line forming the rib is provided along the top horizontal fold line on one or both sides, the rib can be easily formed by folding along the rib forming fold line.

  According to the invention of claim 10, the rib forming fold line provided along the top horizontal fold line is connected to or close to the top horizontal fold line, so that the rib forming fold line is along the rib forming fold line. By bending, a rib can be easily formed on the top horizontal folding line.

According to the eleventh aspect of the present invention, a pair of the body panel located on both sides of the bottom horizontal fold line and a part of the pair of bottom panel and / or the body panel located on both sides of the bottom horizontal fold line and the pair. A part of the inner panel is bonded along the bottom horizontal fold line, and a rib is formed on the bottom horizontal fold line.This rib increases the rigidity of the bottom, particularly the bottom horizontal fold line, and allows storage of paper containers and At the time of conveyance or the like, a force is applied to the bottom horizontal fold line, and deformation of the paper container such as the bottom horizontal fold line in the mountain folded state becomes a valley folded state and is recessed can be prevented.
Also, by forming ribs on the bottom horizontal folding lines that face each other, a recess is formed in the bottom, so that the center of the bottom swells due to the weight of the contents and prevents the paper container from becoming seated. Can do.
Furthermore, since the ribs fit within the outer dimensions of the paper container and do not protrude from the body, the ribs do not get in the way when storing or transporting the paper container, and there is no risk of hindering storage or transport of the paper container. .

  According to the invention of claim 12, since the ribs are formed on the trunk vertical fold line and / or the top horizontal fold line and the bottom horizontal fold line, not only the bottom but also the rigidity of the trunk and / or the top is increased. The deformation of the container can be prevented more reliably.

  According to the thirteenth aspect of the present invention, one or both of the body panel and the pair of bottom panel on both sides sandwiching the bottom horizontal folding line and / or the body panel and the pair on both sides sandwiching the bottom lateral folding line. Since the rib forming fold line for forming the rib is provided along the bottom horizontal fold line on one or both of the inner surface panels, the rib can be easily formed by bending along the rib forming fold line.

  According to the invention described in claim 14, the rib forming fold line provided along the bottom horizontal fold line is connected to or close to the bottom horizontal fold line, so that the rib forming fold line is along the rib forming fold line. By bending, a rib can be easily formed on the bottom horizontal folding line.

It is a perspective view which shows the 1st example of this invention. It is a side view of the paper container in the 1st example. It is a trunk | drum cross-sectional view of the paper container in a 1st example. It is an expanded view which shows the carton blanks before the assembly process of the paper container in a 1st example. It is an expanded view which shows the carton blanks before the assembly process which shows an example of the bending line for rib formation. It is a perspective view which shows the 2nd example of this invention. It is a side view of the paper container in the 2nd example. It is a trunk | drum cross-sectional view of the paper container in a 2nd example. It is an expanded view which shows the carton blanks before the assembly process of the paper container in a 2nd example. It is an expanded view which shows the carton blanks before the assembly process which shows an example of the bending line for rib formation. It is a perspective view which shows an example which implemented the 2nd example in the flat top type paper container. It is an expanded view which shows the carton blanks before the assembly process of the paper container in a 3rd example. It is a partial top longitudinal section view of the paper container in the third example. It is a perspective view which shows an example which implemented the 3rd example in the flat top type paper container. It is an expanded view which shows the carton blanks before the assembly process of the paper container in a 4th example. It is a top part longitudinal section of the paper container in the 4th example. It is an expanded view which shows the carton blanks before the assembly process which shows an example of the bending line for rib formation. It is an expanded view which shows the carton blanks before the assembly process of the paper container in a 5th example. It is an expanded view which shows the carton blanks before the assembly process of the paper container in a 6th example. It is a bottom part longitudinal section figure of the paper container in the 6th example. It is a perspective view which shows an example which implemented the 6th example to the flat top type paper container. It is an expanded view which shows the carton blanks before the assembly process of the paper container in a 7th example. It is a bottom part longitudinal section figure of the paper container in the 7th example. It is an expanded view which shows the carton blanks before the assembly process which shows an example of the bending line for rib formation. It is an expanded view which shows the carton blanks before the assembly process of the paper container in an 8th example. It is an expanded view which shows the carton blanks before the assembly process of the paper container in a 9th example.

Hereinafter, an example of an embodiment of a paper container according to the present invention will be described in detail with reference to the drawings.
1 to 5 show a first example in which the present invention is applied to a gable roof type paper container, FIG. 1 is a perspective view showing the paper container of this example, and FIG. 2 is a side view of the paper container of this example. 3 is a cross-sectional view of the trunk of the paper container of this example, FIG. 4 is a development view showing the carton blanks before the assembly process of this example, and FIG. 5 is a carton before the assembly process showing an example of the rib forming folding line in this example. It is an expanded view which shows blanks.

The gable roof type paper container of this example is assembled by carton blanks having the unfolded structure shown in FIG.
The carton blanks for assembling the paper container of this example are made of a paper material in which a thermoplastic resin is laminated on the front and back surfaces, and the four body panels 4, 5, 6, 7 are connected via the body vertical folding lines 1, 2, 3. In addition, a longitudinal seal panel 9 is connected to the open end edge of the body panel 7 via a seal longitudinal fold line 8.

A pair of top surface panels 14, 15 facing each other are connected to the upper ends of the body panels 4, 6, with outer top seal panels 12, 13 at the top via top lateral folding lines 10, 11. . Further, at the upper ends of the other opposing body panels 5, 7, there are inner top seal panels 18, 19 at the top via top horizontal folding lines 16, 17, and between the pair of top surface panels 14, 15. A pair of side panels 20 and 21 which are positioned and opposed to each other are connected.
In the gable roof type paper container of this example, the pair of top panels 14 and 15 are a pair of gable roof forming panels, and the pair of side panels 20 and 21 are a pair of gable wall forming panels.
In this example, at the time of opening, one side panel that has been heat-sealed is drawn out as a spout, but this is not limiting, and a plug serving as a spout is attached to one of the top panels. Also good.

  In addition, a pair of bottom panels 24 and 25 facing each other through bottom bottom folding lines 22 and 23 are connected to the lower ends of the body panels 4 and 6, and the bottom sides of the body panels 5 and 7 are connected to the bottom side. A pair of inner surface panels 28 and 29 which are located between the pair of bottom surface panels 24 and 25 and are opposed to each other via the broken lines 26 and 27 are connected.

  A rib forming fold line 30 is provided along the trunk vertical fold line 1 on one trunk panel 5 of the trunk panels 4 and 5 on both sides of the trunk vertical fold line 1, and the trunk vertical fold line 2 is provided. A rib forming fold line 31 is provided along the trunk vertical fold line 2 on one trunk panel 5 of the trunk panels 5 and 6 on both sides of the body.

  Both ends of the rib forming fold line 30 are connected to or close to the body vertical fold line 1, and both ends of the rib forming fold line 31 are connected to or close to the body vertical fold line 2. Is provided. Here, the proximity means a distance at which the rib forming fold lines 30, 31 can be easily bent along the extended lines to the body vertical fold lines 1, 2 when the rib forming fold lines 30, 31 are bent. Means. In this example, the fold lines 30 and 31 for rib formation are circular arcs whose both ends are connected to the body vertical fold lines 1 and 2, respectively, and are provided in line symmetry with respect to each other.

  A region surrounded by the rib forming fold line 30 and the body vertical fold line 1 becomes a rib forming portion 32, and a region surrounded by the rib forming fold line 31 and the body vertical fold line 2 becomes a rib forming portion 33.

  The position where the rib forming folding lines 30 and 31 are provided is not particularly limited. However, since the swelling of the paper container filled with the contents occurs on the bottom side of the trunk due to the weight of the contents, the rib forming folding lines 30 and 31 are It is preferable to be provided on the bottom side from the middle position of the trunk portion.

  Further, as shown in FIG. 5, rib forming fold lines 30a and 30b are provided on both of the body panel 4 and 5 on both sides of the body vertical fold line 1, and the body parts on both sides of the body vertical fold line 2 are disposed. Both panels 5 and 6 may be provided with fold lines 31a and 31b for rib formation.

  In the assembly of the paper container of the first example by the carton blanks having such a development structure, first, the body vertical fold lines 1, 2, 3 and the seal vertical fold line 8 are bent, and the vertical seal panel 9 is attached to the body panel 4. A square cylindrical body 36 is formed by sealing at the vertical edge.

Then, the folding lines 30 and 31 for rib formation provided on the trunk panel 5 are valley-folded, and the rib forming sections 32 and 33 are bonded to the adjacent trunk panels 4 and 6 to be on the trunk vertical folding lines 1 and 2. Ribs 34 and 35 are formed.
As another assembly example, the body vertical folding lines 1, 2, 3 and the seal vertical folding line 8 are folded, the rib forming folding lines 30, 31 are folded, and the rib forming parts 32, 33 are adjacent to the body panel. After the ribs 34 and 35 are formed by bonding them to 4 and 6, the vertical seal panel 9 is sealed to the vertical edge of the body panel 4 to form a rectangular tubular body 36.

  By forming the ribs 34 and 35 in this manner, the body panel 5 between the rib forming folding lines 30 and 31 is formed with a concave portion 37 having ribs 34 and 35 standing upright on both sides.

  In the body portion 36 formed in this way, the body portions 5 and 7 are connected to the lower ends of the inner surface panels 28 and 29, and are connected to the lower ends of the body portion panels 4 and 6. The pair of bottom panels 24 and 25 are folded, sealed, and sealed to form the bottom 38.

  Next, a pair of side panels 20 and 21 connected to the upper ends of the body panels 5 and 7 are provided between the pair of top surface panels 14 and 15 connected to the upper ends of the body panels 4 and 6. The top 39 is formed by being folded and sealed between the outer top seal panels 12 and 13 and the inner top seal panels 18 and 19 at predetermined positions.

According to the paper container configured in this way, the rigidity of the body part 36 is increased by the ribs 34 and 35 formed on the body part vertical folding lines 1 and 2, and the body swelling can be prevented.
The ribs 34 and 35 formed on the trunk vertical folding lines 1 and 2 are in a state of being cut off from the trunk panel 5, and the ribs 34 and 35 are as thick as two trunk panels. Therefore, the rib itself has high rigidity, and the fingers can be securely hooked on the ribs 34 and 35. As described above, when the body portion 36 is held, the fingers 34 are hooked on the ribs 34 and 35, so that it is possible to surely prevent slipping when the paper container is gripped, and the paper container can be easily held. .
Further, since the ribs 34 and 35 fit within the outer dimensions of the paper container and do not protrude from the body portion 36, the ribs 34 and 35 do not interfere with the storage and transportation of the paper container, and can be used for storage and transportation of the paper container. There is no risk of hindrance.

Next, a second example of the embodiment of the paper container according to the present invention will be described.
6 to 10 show a second example in which the present invention is applied to a gable roof type paper container, FIG. 6 is a perspective view showing the paper container of this example, and FIG. 7 is a side view of the paper container of this example. 8 is a cross-sectional view of the trunk of the paper container of this example, FIG. 9 is a development view showing the carton blanks before the assembly process of this example, and FIG. 10 is a carton before the assembly process showing an example of the rib forming folding line in this example. It is an expanded view which shows blanks.
About the paper container of the 2nd example, the same numerals are attached about the same composition as the 1st example, the explanation is omitted, and only the composition different from the 1st example is explained.

The gable roof type paper container of the second example is assembled by carton blanks having the unfolded structure shown in FIG.
In the second example, rib forming folding lines 30 and 31 are provided along the trunk vertical folding lines 1 and 2, and one trunk panel of the trunk panels 6 and 7 on both sides sandwiching the trunk vertical folding line 3 is provided. 7 is provided with a rib forming fold line 40 along the body vertical fold line 3, and further, the body vertical panel 7 on both sides sandwiching the seal vertical fold line 8 and one body panel 7 of the longitudinal seal panel 9 are sealed vertically. A rib forming fold line 41 is provided along the fold line 8.

  The rib forming fold lines 30, 31, and 40 are provided at both ends thereof connected to or close to the body vertical fold lines 1, 2, and 3, respectively, and the rib forming fold line 41 has both ends connected to the seal vertical fold line 8. Connected to or close to each other. Here, the proximity means that when the rib forming fold lines 30, 31, 40, 41 are bent, the rib forming fold lines 30, 31, 40, 41 extend along the extension lines of the trunk vertical fold lines 1, 2. , 3 or the seal vertical folding line 8 means a distance that can be bent without difficulty. In this example, the rib forming folding lines 30, 31, 40, 41 are arc-shaped with both ends connected to the trunk vertical folding lines 1, 2, 3 or the seal vertical folding line 8, respectively, and are provided on the trunk panel 5. The rib forming fold lines 30 and 31 and the rib forming fold lines 40 and 41 provided on the body panel 7 are provided symmetrically inward with respect to each other.

  A region surrounded by the rib forming fold line 30 and the body vertical fold line 1 becomes the rib forming portion 32, and a region surrounded by the rib forming fold line 31 and the body vertical fold line 2 becomes the rib forming portion 33, and the rib forming fold line 40 is formed. The region surrounded by the body vertical fold line 3 becomes the rib forming portion 42, and the region surrounded by the rib forming fold line 41 and the seal vertical fold line 8 becomes the rib forming portion 43.

  The position where the rib forming folding lines 30, 31, 40, 41 are provided is not particularly limited. However, since the swelling of the paper container filled with the contents occurs below the trunk due to the weight of the contents, the rib forming folding lines 30, 31, 40, and 41 are preferably provided below the middle position of the body portion.

  Further, as shown in FIG. 10, rib forming folding lines 30a and 30b are provided on both of the body panel 4 and 5 on both sides of the body vertical fold line 1, and the body parts on both sides of the body vertical fold line 2 are disposed. Ribbing fold lines 31a and 31b are provided on both panels 5 and 6, rib forming fold lines 40a and 40b are provided on both body panels 6 and 7 on both sides of the body vertical fold line 3, and seal vertical fold lines 8 are provided. Rib forming fold lines 41a, 41b, and 41c may be provided on both the body panel 7 and the longitudinal seal panel 9 on both sides of the wall and the longitudinal edge of the body panel 4 to which the longitudinal seal panel 9 is bonded.

  In the assembly of the paper container of the second example by the carton blanks having such a development structure, first, the body vertical fold lines 1, 2, 3 and the seal vertical fold line 8 are bent, and the vertical seal panel 9 is attached to the body panel 7. A square cylindrical body 36 is formed by sealing at the vertical edge.

  Then, the rib forming fold lines 30 and 31 provided on the trunk panel 5 and the rib forming fold lines 40 and 41 provided on the trunk panel 7 are valley-folded, and the rib forming sections 32 and 33 are adjacent to each other. Adhering to the panels 4, 6, the rib forming portions 42, 43 are adhered to the adjacent body panel 6 and the longitudinal seal panel 9, and the ribs 34, 35, 44, 45 are formed.

  As another assembly example, the body vertical folding lines 1, 2, 3 and the seal vertical folding line 8 are folded, the rib forming folding lines 30, 31, 40, 41 are valley folded, and the rib forming parts 32, 33 are adjacent to each other. After the rib forming portions 42 and 43 are bonded to the adjacent barrel panel 6 and the longitudinal seal panel 9 to form the ribs 34, 35, 44, and 45, the longitudinal seals are formed. The panel 9 is sealed to the vertical edge of the body panel 4 to form a rectangular tubular body 36.

  By forming the ribs 34, 35, 44, 45 in this manner, the body panel 5 between the inward rib forming fold lines 30, 31 has a recess 37 having ribs 34, 35 standing on both sides. In addition, the body panel 7 between the inward rib-forming fold lines 40 and 41 is formed with a recess 46 having ribs 44 and 45 standing on both sides.

According to the paper container configured as described above, the rigidity of the body portion 36 is increased by the ribs 34, 35, 44, 45 formed on the body vertical folding lines 1, 2, 3 and the seal vertical folding line 8. Can be prevented. In particular, in this example, since the ribs 34, 35, 44, 45 are formed at all the corners of the body part 36 formed at the positions of the body part vertical folding lines 1, 2, 3 and the seal vertical folding line 8, the body part The rigidity of 36 is further increased, and it is possible to reliably prevent the swelling of the trunk.
Further, by forming the ribs 34, 35, 44, 45 along the trunk vertical folding lines 1, 2, 3, and the seal vertical folding line 8, concave portions 37, 46 are formed in the trunk panels 5, 7, respectively. By holding the paper container by hand, it is possible to easily hold the paper container and to surely prevent slipping when the paper container is gripped.
Furthermore, since the ribs 34, 35, 44, 45 fit within the outer dimensions of the paper container and do not protrude from the body 36, the ribs 34, 35, 44, 45 do not interfere with the storage and transport of the paper container, There is no risk of paper containers being stored or transported.

FIG. 11 is a perspective view showing an example in which the second example of the present invention is implemented in a flat-top type paper container.
Even in this example, ribs 34, 35, 44, 45 are formed on the trunk vertical folding lines 1, 2, 3 and the seal vertical folding line 8 by the same assembly as the gable roof type paper container. Recesses 37, 46 are formed in the body portion 36 by 35, 44, 45. The pair of bottom panels connected to the lower end of the body panel is folded and sealed on the outside of the pair of inner panels connected to the lower end of the body panel in the body 36 formed in this way. The bottom portion 38 is formed by being sealed, and a pair of top surface panels connected to the body panel outside the pair of side panels connected to the upper end of the body panel. The top 39 is formed by folding.

Next, a third example of the embodiment of the paper container according to the present invention will be described.
12 and 13 show a third example in which the present invention is applied to a gable roof type paper container, FIG. 12 is a development view showing the carton blanks before assembly processing of this example, and FIG. 13 shows the paper container in this example. It is a top part longitudinal section.
About the paper container of 3rd example, about the same structure as 1st example and 2nd example, the same code | symbol is attached | subjected and the description is abbreviate | omitted, and only a different structure from 1st example and 2nd example is demonstrated.

The gable roof type paper container of the third example is assembled by carton blanks having the unfolded structure shown in FIG.
In the third example, a rib forming fold line 47 is provided along the top horizontal fold line 10 on one body panel 4 of the top panel 14 and the body panel 4 on both sides across the top horizontal fold line 10. A rib forming fold line 48 is provided along the top horizontal fold line 11 on one body panel 6 of the body panel 6 and the top panel 15 on both sides across the horizontal fold line 11.

The rib forming fold lines 47 and 48 are provided so that both ends thereof are connected to or close to the top horizontal fold lines 10 and 11, respectively. Here, the proximity means a distance such that when the rib forming fold lines 47 and 48 are bent, the rib forming fold lines 47 and 48 can be easily bent along the extended lines to the top horizontal fold lines 10 and 11. means. In this example, the rib forming fold lines 47 and 48 are provided in an arc shape in which both ends are connected to the top horizontal fold lines 10 and 11, respectively.
A region surrounded by the rib forming fold line 47 and the top horizontal fold line 10 becomes the rib forming portion 49, and a region surrounded by the rib forming fold line 48 and the top horizontal fold line 11 becomes the rib forming portion 50.

In the assembly of the paper container of the third example by the carton blanks having such an unfolded structure, first, the rectangular cylindrical body portion 36 is formed, and the bottom portion 38 is formed in the same manner as in the first and second examples. .
Next, the pair of side panels 20, 21 are folded between the pair of top panels 14, 15, and a rib forming fold line 47 provided on the trunk panel 4 and a rib forming fold line provided on the trunk panel 6 are provided. 48 is valley-folded, and the rib forming portions 49 and 50 are bonded to the adjacent top panel 14 and 15 to form ribs 51 and 52 on the top horizontal folding lines 10 and 11, and the outer top seal panels 12 and 13 and The top top 39 is formed by sealing the inner top seal panels 18 and 19 at a predetermined position.

According to the paper container configured as described above, the ribs 51 and 52 formed on the top horizontal folding lines 10 and 11 increase the rigidity of the top 39, particularly the top horizontal folding lines 10 and 11, and the paper container can be stored and At the time of conveyance or the like, a force is applied to the top horizontal folding lines 10 and 11, and the top horizontal folding lines 10 and 11 in the mountain folded state can be prevented from being deformed such as being recessed in the valley folded state.
Further, by forming the ribs 51 and 52 along the top horizontal folding lines 10 and 11, when gripping the upper portion of the body portion 36 of the paper container and taking out the paper container, a finger is firmly hooked on the ribs 51 and 52. Therefore, slipping down when the paper container is gripped can be reliably prevented, and the paper container can be easily held.
Furthermore, since the ribs 51 and 52 fit within the outer dimensions of the paper container and do not protrude from the body portion 36, the ribs 51 and 52 do not interfere with the storage and transportation of the paper container, and can be used for storage and transportation of the paper container. There is no risk of hindrance.

FIG. 14 is a perspective view showing an example in which the third example according to the present invention is implemented in a flat-top type paper container.
Even in this example, the ribs 51 and 52 are formed along the top horizontal folding lines 10 and 11 by the same assembly as the gable roof type paper container, and the concave portion 53 is formed in the top 39 by the ribs 51 and 52. The

Next, a fourth example of the embodiment of the paper container according to the present invention will be described.
15 and 16 show a fourth example in which the present invention is implemented in a gable roof type paper container, FIG. 15 is a development view showing the carton blanks before assembly processing in this example, and FIG. 16 shows the paper container in this example. It is a top part longitudinal section.
Regarding the paper container of the fourth example, the same components as those of the first to third examples are denoted by the same reference numerals and the description thereof is omitted, and only the components different from the first to third examples will be described.

The gable roof type paper container of the fourth example is assembled by carton blanks having the unfolded structure shown in FIG.
In the fourth example, a rib forming fold line 54 is provided along the top horizontal fold line 16 on one body panel 5 of the side panel 20 and the body panel 5 on both sides across the top horizontal fold line 16, and A rib forming fold line 55 is provided along the top horizontal fold line 17 on one of the body panel 7 on both sides of the fold line 17 and the side panel 21.

The rib forming folding lines 54 and 55 are provided so that both ends thereof are connected to or close to the top horizontal folding lines 16 and 17, respectively. Here, the proximity means such a distance that when the rib forming fold lines 54 and 55 are bent, the rib forming fold lines 54 and 55 can be easily bent along the extended lines to the top horizontal fold lines 16 and 17. means. In this example, the rib forming fold lines 54 and 55 are provided in an arc shape in which both ends thereof are connected to the top horizontal fold lines 16 and 17, respectively.
A region surrounded by the rib forming fold line 54 and the top horizontal fold line 16 becomes a rib forming portion 56, and a region surrounded by the rib forming fold line 55 and the top horizontal fold line 17 becomes a rib forming portion 57.

In the assembly of the paper container of the fourth example by the carton blanks having such an unfolded structure, first, the rectangular cylindrical body portion 36 is formed, and the bottom portion 38 is formed in the same manner as in the first and second examples. .
Next, the pair of side panels 20 and 21 are folded between the pair of top panels 14 and 15, and the rib forming fold line 54 provided on the trunk panel 5 and the rib forming fold line provided on the trunk panel 7 are formed. 55 is valley-folded, and the rib forming portions 56 and 57 are bonded to the adjacent side panels 20 and 21 to form the ribs 58 and 59 on the top lateral folding lines 16 and 17, and the outer top seal panels 12 and 13 and the inner side The top seal panels 18 and 19 are sealed at a predetermined position to form a top portion 39.

According to the paper container configured as described above, the ribs 58 and 59 formed on the top horizontal folding lines 16 and 17 increase the rigidity of the top 39, particularly the top horizontal folding lines 16 and 17, so that the storage of the paper container At the time of conveyance or the like, a force is applied to the top horizontal folding lines 16 and 17, and the top horizontal folding lines 16 and 17 in the mountain folded state can be prevented from being deformed such as being recessed in the valley folded state.
Further, by forming the ribs 58 and 59 along the top horizontal folding lines 16 and 17, when the paper container is taken out by grasping the upper portion of the body portion 36 of the paper container, the fingers can be firmly hooked on the ribs 58 and 59. Therefore, slipping down when the paper container is gripped can be reliably prevented, and the paper container can be easily held.
Further, since the ribs 58 and 59 fit within the outer dimensions of the paper container and do not protrude from the body portion 36, the ribs 58 and 59 do not interfere with the storage and transportation of the paper container, and can be used for storage and transportation of the paper container. There is no risk of hindrance.

In the third example, rib forming fold lines 47 and 48 are provided along the top horizontal fold lines 10 and 11, and in the fourth example, rib forming fold lines 54 and 55 are provided along the top horizontal fold lines 16 and 17. However, rib forming fold lines 47, 48, 54, and 55 may be provided along all the top horizontal fold lines 10, 11, 16, and 17, respectively. Furthermore, as shown in FIG. Rib forming fold lines 47a and 47b are provided on both the body panel 4 and the top panel 14 on both sides of the top horizontal fold line 10, and the body panel 6 and the top panel 15 on both sides of the top lateral fold line 11 are provided. Rib forming fold lines 48a and 48b are provided on both sides, and rib forming fold lines 54a and 54b are provided on both the body panel 5 and the side panel 20 on both sides of the top horizontal fold line 16, and both sides on which the top side fold line 17 is sandwiched. Body panel 7 and side panel 21 Both the rib-forming fold line 55a, 55b may be provided.
Further, the rib forming fold line provided along the top horizontal fold line may be formed over the entire length of the top horizontal fold line whose both ends are connected to the intersection of the top horizontal fold line and the trunk vertical fold line or the seal vertical fold line.

Next, a fifth example of the embodiment of the paper container according to the present invention will be described.
FIG. 18 is a developed view showing a carton blank before assembly processing of a fifth example in which the present invention is applied to a gable roof type paper container.
Regarding the paper container of the fifth example, the same components as those of the first to fourth examples are denoted by the same reference numerals, and the description thereof is omitted. Only the components different from the first to fourth examples will be described.

The gable roof type paper container of the fifth example is assembled by carton blanks having the unfolded structure shown in FIG.
The fifth example is a combination of the second example and the fourth example, and the rib forming folding lines 30, 31, 40 provided along the body vertical folding lines 1, 2, 3 and the seal vertical folding line 8. , 41, rib forming folding lines 54, 55 are provided along the top horizontal folding lines 16, 17, respectively.

The assembling of the paper container of the fifth example by the carton blanks having such an unfolded structure forms the body part 36, the bottom part 38, and the top part 39 in the same manner as the second example and the fourth example.
According to the paper container configured in this way, it is formed on the ribs 34, 35, 44, 45 formed on the body vertical folding lines 1, 2, 3 and the seal vertical folding line 8 and the top horizontal folding lines 16, 17. The ribs 58 and 59 increase the rigidity of the body portion 36 and the top portion 39, and can further prevent the paper container from being deformed.
Further, not only when the upper part of the paper container 36 is grasped and the paper container is taken out, but also when the container 36 is carried by grasping the body part 36 from the side, the finger can be firmly hooked on the rib, It is possible to reliably prevent slipping off when grasped, and to easily hold the paper container.
Since the other effects are the same as those of the second and fourth examples, the description of the second and fourth examples is cited and the description thereof is omitted.

Next, a sixth example of the embodiment of the paper container according to the present invention will be described.
19 and 20 show a sixth example in which the present invention is applied to a gable roof type paper container, FIG. 19 is a development view showing the carton blanks before assembly processing of this example, and FIG. 20 shows the paper container in this example. It is a bottom part partial longitudinal cross-sectional view.
Regarding the paper container of the sixth example, the same components as those of the first to fifth examples are denoted by the same reference numerals, and the description thereof is omitted. Only the components different from the first to fifth examples will be described.

The gable roof type paper container of the sixth example is assembled by carton blanks having the unfolded structure shown in FIG.
In the sixth example, a rib forming fold line 60 is provided along the bottom horizontal fold line 22 on one of the body panel 4 on both sides of the bottom horizontal fold line 22 and the bottom panel 24. Rib forming fold lines 61 are provided along the bottom horizontal fold line 23 on one of the body panel 6 on both sides of the fold line 23 and the bottom panel 25.

The rib forming folding lines 60 and 61 are provided such that both ends thereof are connected to or close to the bottom horizontal folding lines 22 and 23, respectively. Here, the proximity means a distance such that when the rib forming fold lines 60 and 61 are bent, the rib forming fold lines 60 and 61 can be easily bent along the extended lines to the bottom horizontal fold lines 22 and 23. means. In this example, the rib forming folding lines 60 and 61 are provided in an arc shape in which both ends thereof are connected to the bottom horizontal folding lines 22 and 23, respectively.
A region surrounded by the rib forming fold line 60 and the bottom horizontal fold line 22 becomes a rib forming portion 62, and a region surrounded by the rib forming fold line 61 and the bottom horizontal fold line 23 becomes a rib forming portion 63.

In the assembly of the paper container of the sixth example by the carton blanks having such an unfolded structure, first, a square cylindrical body portion 36 is formed, and a pair of bottom panel 24, 25, the rib forming fold line 60 provided on the body panel 4 and the rib forming fold line 61 provided on the body panel 6 are valley-folded so that the rib forming parts 62 and 63 are adjacent to the inner surface panel 24, 25, the ribs 64 and 65 are formed on the bottom horizontal folding lines 22 and 23, respectively. By forming the ribs 64 and 65 in this way, a recess 66 is formed in the bottom 38.
Next, the bottom panels 24 and 25 are sealed to the inner panels 28 and 29 to form the bottom 38, and the top 39 is formed in the same manner as in the first and second examples.

According to the paper container configured as described above, the ribs 64 and 65 formed on the bottom horizontal folding lines 22 and 23 increase the rigidity of the bottom 38, particularly the bottom horizontal folding lines 22 and 23, so that the storage of the paper container At the time of conveyance or the like, a force is applied to the bottom horizontal fold lines 22 and 23, and the deformation of the paper container such as the bottom fold lines 22 and 23 in the mountain-folded state becomes a valley fold state and can be prevented from being deformed.
Further, by forming the ribs 64 and 65 on the bottom horizontal folding lines 22 and 23, the concave portion 66 is formed in the bottom portion 38, so that the central portion of the bottom portion 38 swells due to the weight of the contents, and the paper container is seated. It can be prevented that it becomes bad.
Further, since the ribs 64 and 65 fit within the outer dimensions of the paper container and do not protrude from the body portion 36, the ribs 64 and 65 do not interfere with the storage and transportation of the paper container, and can be used for storage and transportation of the paper container. There is no risk of hindrance.

FIG. 21 is a perspective view showing an example in which the sixth embodiment according to the present invention is implemented in a flat-top type paper container.
Even in this example, the ribs 64 and 65 are formed on the bottom horizontal folding lines 22 and 23 by the same assembly as the gable roof type paper container, and the recess 66 is formed in the bottom 38 by the ribs 64 and 65.

Next, a seventh example of the embodiment of the paper container according to the present invention will be described.
22 and 23 show a seventh example in which the present invention is applied to a gable roof type paper container, FIG. 22 is a developed view showing the carton blanks before assembly processing of this example, and FIG. 23 shows the paper container in this example. It is a bottom part partial longitudinal section.
Regarding the paper container of the seventh example, the same components as those of the first to sixth examples are denoted by the same reference numerals, and the description thereof is omitted. Only the components different from the first to sixth examples will be described.

The gable roof type paper container of the seventh example is assembled by carton blanks having the unfolded structure shown in FIG.
In the seventh example, a rib forming fold line 67 is provided along the bottom horizontal fold line 26 on one of the body panel 5 on both sides of the bottom horizontal fold line 26 and the inner panel 28, and A rib forming fold line 68 is provided along the bottom horizontal fold line 27 on one of the body panel 7 on both sides of the fold line 27 and the inner panel 29.

The rib forming folding lines 67 and 68 are provided so that both ends thereof are connected to or close to the bottom horizontal folding lines 26 and 27, respectively. Here, the proximity means a distance such that when the rib forming fold lines 67 and 68 are bent, the rib forming fold lines 67 and 68 can be easily bent along the extended lines to the bottom horizontal fold lines 26 and 27. means. In this example, the rib forming folding lines 67 and 68 are provided in an arc shape in which both ends thereof are connected to the bottom horizontal folding lines 26 and 27, respectively.
A region surrounded by the rib forming fold line 67 and the bottom horizontal fold line 26 becomes a rib forming portion 69, and a region surrounded by the rib forming fold line 68 and the bottom horizontal fold line 27 becomes a rib forming portion 70.

In the assembly of the paper container of the seventh example by the carton blanks having such an unfolded structure, first, a square cylindrical body portion 36 is formed, a pair of inner surface panels 28 and 29 are bent, and the body portion panel 5 is provided. The rib forming fold line 67 and the rib forming fold line 68 provided on the body panel 7 are valley-folded, and the rib forming portions 69 and 70 are bonded to the adjacent inner surface panels 28 and 29 to form the bottom side fold line 26, 27, ribs 71 and 72 are formed. By forming the ribs 68 and 69 in this way, a recess 73 is formed in the bottom 38.
Next, the pair of bottom panels 24 and 25 are folded, and the bottom panels 24 and 25 are sealed to the inner panels 28 and 29 to form the bottom 38, and the top 39 is formed in the same manner as in the first and second examples.

According to the paper container configured as described above, the ribs 71 and 72 formed on the bottom horizontal folding lines 26 and 27 increase the rigidity of the bottom 38, particularly the bottom horizontal folding lines 26 and 27, and the paper container can be stored and At the time of conveyance or the like, a force is applied to the bottom horizontal fold lines 26 and 27, and the bottom horizontal fold lines 26 and 27 in the mountain fold state can be prevented from being deformed such as being recessed in the valley fold state.
Further, by forming ribs 71 and 72 on the bottom horizontal folding lines 26 and 27 facing each other, a recess 73 is formed in the bottom 38, so that the central portion of the bottom 38 swells due to the weight of the contents, and the paper container It is possible to prevent the user from becoming uncomfortable.
Further, since the ribs 71 and 72 fit within the outer dimensions of the paper container and do not protrude from the body portion 36, the ribs 71 and 72 do not interfere with the storage and transportation of the paper container, and can be used for storage and transportation of the paper container. There is no risk of hindrance.

In the sixth example, rib forming folding lines 60 and 61 are provided along the bottom horizontal folding lines 22 and 23, and in the seventh example, rib forming folding lines 67 and 68 are provided along the bottom horizontal folding lines 26 and 27. However, rib forming folding lines 60, 61, 67, and 68 may be provided along all the top horizontal folding lines 22, 23, 26, and 27, respectively, and as shown in FIG. Rib forming fold lines 60a and 60b are provided on both the body panel 4 and the bottom panel 24 on both sides of the bottom lateral fold line 22, and both the body panel 6 and the bottom panel 25 on both sides of the bottom lateral fold line 23 are provided. Rib forming fold lines 61a and 61b are provided, rib forming fold lines 67a and 67b are provided on both the body panel 5 and the inner panel 28 on both sides of the bottom horizontal fold line 26, and both sides of the cylinder on the bottom side fold line 27 are sandwiched. Panel 7 and inner panel 29 Both the rib-forming fold line 68a, 68b may be provided.
Further, the rib forming fold line provided along the bottom horizontal fold line may be formed over the entire length of the bottom horizontal fold line whose both ends are connected to the intersection of the bottom horizontal fold line and the trunk vertical fold line or the seal vertical fold line.

Next, an eighth example of the embodiment of the paper container according to the present invention will be described.
FIG. 25 is a developed view showing a carton blank before assembly processing of an eighth example in which the present invention is applied to a gable roof type paper container.
Regarding the paper container of the eighth example, the same components as those of the first to seventh examples are denoted by the same reference numerals, and the description thereof is omitted. Only the components different from the first to seventh examples will be described.

The gable roof type paper container of the eighth example is assembled by carton blanks having the unfolded structure shown in FIG.
The eighth example is an example in which the second example and the seventh example are combined, and the rib forming folding lines 30, 31, 40 provided along the trunk vertical folding lines 1, 2, 3 and the seal vertical folding line 8. , 41, rib forming folding lines 67, 68 are provided along the bottom horizontal folding lines 26, 27, respectively.

The assembling of the paper container of the eighth example by the carton blanks having such an unfolded structure forms the body part 36, the bottom part 38, and the top part 39 in the same manner as the second example and the seventh example.
According to the paper container constructed in this way, it is formed on the ribs 34, 35, 44, 45 formed on the body vertical folding lines 1, 2, 3 and the seal vertical folding line 8 and the bottom horizontal folding lines 26, 27. The ribs 71 and 72 increase the rigidity of the body portion 36 and the bottom portion 38, thereby further preventing the paper container from being deformed.
Since the other effects are the same as those of the second and seventh examples, the descriptions of the second and seventh examples are cited and the description thereof is omitted.

Next, a ninth example of the embodiment of the paper container according to the present invention will be described.
FIG. 26 is a developed view showing a carton blank before assembly processing of a ninth example in which the present invention is applied to a gable roof type paper container.
Regarding the paper container of the ninth example, the same components as those of the first to eighth examples are denoted by the same reference numerals, and the description thereof is omitted. Only the components different from the first to eighth examples will be described.

The gable roof type paper container of the ninth example is assembled by carton blanks having the unfolded structure shown in FIG.
The ninth example is an example in which the second example, the fourth example, and the seventh example are combined, and the rib forming folding line 30 provided along the trunk vertical folding lines 1, 2, 3, and the seal vertical folding line 8. , 31, 40, and 41, rib forming fold lines 54 and 55 are provided along the top horizontal fold lines 16 and 17, respectively, and rib forming fold lines 67 and 68 are provided along the bottom horizontal fold lines 26 and 27, respectively. Yes.

In the assembly of the paper container of the ninth example by the carton blanks having such a development structure, the body part 36, the bottom part 38, and the top part 39 are formed in the same manner as the second example, the fourth example, and the seventh example.
According to the paper container configured in this way, it is formed on the ribs 34, 35, 44, 45 formed on the body vertical folding lines 1, 2, 3 and the seal vertical folding line 8 and the top horizontal folding lines 16, 17. Further, the ribs 71 and 72 formed on the ribs 58 and 59 and the bottom horizontal folding lines 26 and 27 increase the rigidity of the entire paper container, and the deformation of the paper container can be more reliably prevented.
Since the other effects are the same as those of the second example, the fourth example, and the seventh example, the description of the second example, the fourth example, and the seventh example is cited, and the description thereof is omitted.

1, 2, 3 Body vertical fold line 4, 5, 6, 7 Body panel 8 Seal vertical fold line 9 Vertical seal panel 10, 11 Top horizontal fold line 12, 13 Outer top seal panels 14, 15 Top panel 16, 17 Top horizontal folding lines 18, 19 Inner top seal panels 20, 21 Side panels 22, 23 Bottom horizontal folding lines 24, 25 Bottom panels 26, 27 Bottom horizontal folding lines 28, 29 Inner panels 30, 31, 40, 41 Rib forming folding lines 32, 33, 42, 43 Rib forming part 34, 35, 44, 45 Rib 36 Trunk part 37, 46 Recess 38 Bottom 39 Top 47, 48, 54, 55 Rib forming folding lines 49, 50, 56, 57 Rib forming part 51, 52, 58, 59 Rib 53 Recess 60, 61, 67, 68 Rib forming fold line 62, 63, 69, 70 Rib forming part 64, 65, 71, 72 Rib 66, 73 Recess

Claims (14)

It consists of a paper material with thermoplastic resin laminated on the front and back surfaces, and has four body panels that are connected to each other through the body vertical folding line, and is connected to the open edge of the body panel through the seal vertical folding line. A rectangular body portion is formed by the vertical seal panel, and a pair of top surface panels facing each other via a top lateral folding line are disposed at the upper end of the body panel between the pair of top surface panels. A pair of side panels facing each other are connected in series, and the pair of top panels and the pair of side panels are folded, sealed, and sealed to form a top, and the bottom of the body panel is placed on the bottom side. A pair of bottom panels facing each other via a fold line and a pair of inner panels facing each other positioned between the pair of bottom panels are connected, and the pair of bottom panels and the pair of inner panels are folded. seal In the paper container bottom is formed by being sealed is,
A paper container, wherein a part of the body panel on both sides sandwiching the body vertical folding line is bonded along the body vertical folding line, and a rib is formed on the body vertical folding line.   2. A rib forming fold line for forming the rib is provided along one of the body part vertical fold lines on one or both of the body panel on both sides of the body part vertical fold line. A paper container as described in 1.   The paper container according to claim 2, wherein both ends of the rib forming folding line are connected to or close to the trunk vertical folding line. It consists of a paper material with thermoplastic resin laminated on the front and back surfaces, and has four body panels that are connected to each other through the body vertical folding line, and is connected to the open edge of the body panel through the seal vertical folding line. A rectangular body portion is formed by the vertical seal panel, and a pair of top surface panels facing each other via a top lateral folding line are disposed at the upper end of the body panel between the pair of top surface panels. A pair of side panels facing each other are connected in series, and the pair of top panels and the pair of side panels are folded, sealed, and sealed to form a top, and the bottom of the body panel is placed on the bottom side. A pair of bottom panels facing each other via a fold line and a pair of inner panels facing each other positioned between the pair of bottom panels are connected, and the pair of bottom panels and the pair of inner panels are folded. seal In the paper container bottom is formed by being sealed is,
A part of the body panel on both sides sandwiching the body vertical fold line is bonded along the body vertical fold line, and the body panel and the longitudinal seal panel on both sides sandwiching the seal vertical fold line A part of the paper is bonded along the seal vertical fold line, and a rib is formed on the body vertical fold line and the seal vertical fold line.   One or both of the body panel on both sides of the body vertical fold line is provided with a rib forming fold line for forming the rib along the body vertical fold line, and the seal vertical fold line is sandwiched therebetween. The rib forming fold line for forming the rib is provided along one or both of the body panel and the vertical seal panel on both sides along the seal vertical fold line. Paper container.   The rib forming fold line provided along the body vertical fold line is connected to or close to the body vertical fold line, and the rib forming fold line provided along the seal vertical fold line. The paper container according to claim 5, wherein both ends thereof are connected to or close to the seal vertical folding line. It consists of a paper material with thermoplastic resin laminated on the front and back surfaces, and has four body panels that are connected to each other through the body vertical folding line, and is connected to the open edge of the body panel through the seal vertical folding line. A rectangular body portion is formed by the vertical seal panel, and a pair of top surface panels facing each other via a top lateral folding line are disposed at the upper end of the body panel between the pair of top surface panels. A pair of side panels facing each other are connected in series, and the pair of top panels and the pair of side panels are folded, sealed, and sealed to form a top, and the bottom of the body panel is placed on the bottom side. A pair of bottom panels facing each other via a fold line and a pair of inner panels facing each other positioned between the pair of bottom panels are connected, and the pair of bottom panels and the pair of inner panels are folded. seal In the paper container bottom is formed by being sealed is,
A portion of the body panel and the pair of top surface panels located on both sides of the top horizontal folding line and / or the body panel and the pair of side panels located on both sides of the top horizontal folding line. A paper container, wherein a part is bonded along the top horizontal fold line, and a rib is formed on the top horizontal fold line. The paper container according to any one of claims 1 to 6,
A portion of the body panel and the pair of top surface panels located on both sides of the top horizontal folding line and / or the body panel and the pair of side panels located on both sides of the top horizontal folding line. A paper container, wherein a part is bonded along the top horizontal fold line, and a rib is formed on the top horizontal fold line.   On one or both of the body panel and the top panel on both sides across the top lateral fold line, and / or on one or both of the body panel and the side panel on both sides across the top lateral fold line, The paper container according to claim 7 or 8, wherein a rib forming fold line for forming the rib is provided along the top horizontal fold line.   The paper container according to claim 9, wherein the rib forming fold line provided along the top horizontal fold line is connected to or close to both ends of the rib. It consists of a paper material with thermoplastic resin laminated on the front and back surfaces, and has four body panels that are connected to each other through the body vertical folding line, and is connected to the open edge of the body panel through the seal vertical folding line. A rectangular body portion is formed by the vertical seal panel, and a pair of top surface panels facing each other via a top lateral folding line are disposed at the upper end of the body panel between the pair of top surface panels. A pair of side panels facing each other are connected in series, and the pair of top panels and the pair of side panels are folded, sealed, and sealed to form a top, and the bottom of the body panel is placed on the bottom side. A pair of bottom panels facing each other via a fold line and a pair of inner panels facing each other positioned between the pair of bottom panels are connected, and the pair of bottom panels and the pair of inner panels are folded. seal In the paper container bottom is formed by being sealed is,
One of the body panel and the pair of bottom panel located on both sides of the bottom horizontal fold line and / or one of the body panel and the pair of inner panel located on both sides of the bottom lateral fold line A paper container, wherein a portion is bonded along the bottom horizontal fold line, and a rib is formed on the bottom horizontal fold line. The paper container according to any one of claims 1 to 10,
One of the body panel and the pair of bottom panel located on both sides of the bottom horizontal fold line and / or one of the body panel and the pair of inner panel located on both sides of the bottom lateral fold line A paper container, wherein a portion is bonded along the bottom horizontal fold line, and a rib is formed on the bottom horizontal fold line.   One or both of the body panel and the pair of bottom panels on both sides of the bottom horizontal fold line and / or one of the body panel and the pair of inner panels on both sides of the bottom lateral fold line or The paper container according to claim 11 or 12, wherein a rib forming fold line for forming the rib is provided on both along the bottom horizontal fold line.   The paper container according to claim 13, wherein the rib forming fold line provided along the bottom horizontal fold line is connected to or close to the bottom horizontal fold line.

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