JPH1092U - Blank board for paper container - Google Patents

Abstract

(57) [Problem] To provide a paper container blank plate for forming a paper container that can be easily folded into a flat shape so that used paper containers can be easily collected and recycled. SOLUTION: In a paper container blank plate for forming a paper container having a rectangular cross section in a horizontal direction, opposing one of four longitudinal peripheral surfaces 2, 3, 4, 5 forming the paper container. Longitudinal folds extending from the upper edge to the vertical peripheral surfaces 2 and 4 along the widthwise center line and extending to a height of half the width a of the bottom side. Inverted Y-shape combining a ruled line for folding and a ruled line for folding provided in an inverted V-shape with the height position of the vertical folding ruled line as an apex toward the bottom of the vertical peripheral surface 2,4 The folding ruled lines 32 and 33 are additionally provided to form the paper container blank plate 1.

Description

[Detailed description of the invention]

[0001]

[Industrial applications]

 The present invention relates to a blank plate for a paper container for containing various liquid foods and drinks, tea leaves, spices, and the like.

[0002]

[Prior art]

 As a paper container for containing various liquid foods and drinks, tea leaves, spices, etc., a goebel top type or brick type paper container has been conventionally used. As shown in an enlarged sectional view of FIG. 18, for example, these paper containers are prepared by cutting a laminated sheet obtained by laminating resin layers 29 and 30 of a polyolefin resin or the like on the front and back surfaces of paper 28, respectively. For example, a blank plate for a paper container as shown in FIG. 16 is bent and bonded to form a gobel top type paper container 31 as shown in FIG. 17, or a brick type paper container. Or

[0003]

[Problems to be solved by the invention]

 As described above, the blank plate for a paper container is formed by a laminated sheet in which resin layers 29 and 30 of a polyolefin resin or the like are respectively laminated on the front and back surfaces of a paper 28 as shown in FIG. As the paper 28, a paper made from relatively high quality pulp is used. Therefore, collecting and reusing the paper container formed by the paper container blank plate is very effective in saving resources.

[0004] However, in order to collect and recycle the paper container, it is necessary to reduce the cost at the collection stage due to the problem of transportation costs due to the bulky paper container and the trouble of folding the paper container flat. There is a big problem. Therefore, an object of the present invention is to provide a paper container blank plate for forming a paper container in which a used paper container can be easily folded flat.

[0005]

[Means for Solving the Problems]

 The above object is achieved by a paper container blank plate of the present invention described below. That is, the present invention relates to a paper container blank plate for forming a paper container having a rectangular cross section in a direction perpendicular to the axial direction. Longitudinal folds provided on the two opposing surfaces along the widthwise center line from the upper edge to a height corresponding to half the width of the bottom continuous to the vertical peripheral surface. Inverted Y-shaped folding line in which a vertical ruled line is combined with a folding ruled line provided in an inverted V shape toward the bottom of the paper container with the height position of the vertical folding ruled line as an apex. It consists of a blank plate for a paper container with a ruled line.

In the above-described paper container blank plate provided with the inverted Y-shaped folding ruled line, the vertexes of the inverted V-shaped portion of the inverted Y-shaped folding ruled line are connected to each other. A horizontal folding rule may be further provided between them.

[0007]

[Action]

 The paper container made of the paper container blank plate according to the present invention is an inverted Y-shaped folding ruled line combining the vertical folding ruled line attached to the paper container and the inverted V-shaped folding ruled line. By folding the ruled line in a valley, the ruled line can be folded flat. Thus, the used paper container can be easily folded flat without increasing the volume, and the cost of collecting the used paper container can be reduced.

In addition to the above-described inverted Y-shaped folding rule, a horizontal folding rule is provided between the vertices of the inverted V-shaped portion of the inverted Y-shaped folding rule. In this case, after folding the inverted Y-shaped folding ruled line, it can be folded easily along the horizontal folding ruled line, and the bottom of the paper container can be folded up so that it can be easily folded into a rectangular shape. You. Thus, the used paper container can be folded so that the bottom portion of the paper container which is the most multilayered does not overlap, so that it can be easily folded into a thinner flat shape.

[0009]

【Example】

 Hereinafter, a specific configuration of the paper container blank plate of the present invention will be described with reference to the drawings. FIG. 1 is a front view showing a first embodiment of the paper container blank plate of the present invention, and FIG. 2 is a view showing a state in which the paper container formed by the paper container blank plate shown in FIG. 1 is folded. FIG.

In FIG. 1, a paper container blank plate 1 includes first to fourth container body forming portions 2 to 5 connected in one direction, and first to fourth container body forming portions 2 to 5 connected to the bottoms thereof. Bottom forming portions 6 to 9, first to fourth lid forming portions 10 to 13 connected to upper sides of first to fourth container body forming portions 2 to 5, and first attached to these upper sides. To the fourth sealing piece 14 to 17, the fourth sealing piece 17, the fourth lid forming part 13, the fourth container main body forming part 5, and the fourth bottom forming part 9. And a connecting piece 18 attached to the edge.

A set of the first sealing piece 14, the first lid forming part 10, the first container body forming part 2, the first bottom forming part 6, the second sealing piece 15, A set of the second lid forming portion 11, the second container body forming portion 3, and the second bottom forming portion 7, the third sealing piece 16, the third lid forming portion 12, and the third container body forming A set of the part 4 and the third bottom forming part 8, a set of the fourth sealing piece 17, the fourth lid forming part 13, the fourth container body forming part 5, and the fourth bottom forming part 9. , And the connecting piece 18 are each separated by a vertical bending line 19. Further, the first to fourth bottom forming portions 6 to 9 and the first to fourth container main body forming portions 2 to 5 are partitioned by a horizontal bending line 20. The first to fourth lid forming portions 10 to 13 and the first to fourth container main body forming portions 2 to 5 are partitioned by a horizontal bending line 22.

Further, the second bottom forming section 7 and the fourth bottom forming section 9 are provided with a V-shaped bending line 21 inscribed therein. The first lid forming section 10 and the third lid forming section 12 are provided with an inscribed inverted V-shaped bending line 23. The first to fourth sealing pieces 14 to 17 and the first to fourth lid forming portions 10 to 13 are defined by horizontal bending lines 24. The first sealing piece 14 and the third sealing piece 16 are provided with a vertical bending line 25 extending from the vertex of the inverted V-shaped bending line 23. The above configuration is the same as that of a conventional paper container blank plate for a gobel top type paper container.

Further, in the above-described paper container blank plate 1, an inverted Y-shaped folding ruled line 32 is provided over the first lid forming portion 10 and the first container main body forming portion 2. In addition, an inverted Y-shaped folding ruled line 33 is also provided over the third lid forming portion 12 and the third container main body forming portion 4. The vertical straight line portion of the folding ruled line 32 forming the inverted Y shape is located on the center line in the width direction of the first lid forming portion 10 and the first container main body forming portion 2, and is positioned from the upper edge. And a height (1/2) a position corresponding to 1/2 of the width a of the bottom side. The inverted V-shaped part of the inverted Y-shaped part has a height (1) corresponding to half the width a of the bottom side, ie, the lower edge of the folding ruled line forming the vertical straight line part. / 2) At the position a, the lower edge of the folding ruled line that forms a linear portion in the vertical direction is defined as a vertex, and the vertex is connected to both ends of the bottom of the first container main body forming portion 2.

The vertical straight portion of the inverted Y-shaped folding ruled line 33 is located on the center line in the width direction of the third lid forming portion 12 and the third container main body forming portion 4. , From the upper edge to a height position corresponding to half the width of the bottom side. The inverted V-shaped portion of the inverted Y-shaped portion has the lower edge of the folding ruled line forming the vertical straight line portion as an apex, and from this apex both ends of the bottom side of the third container body forming portion 4. Is tied to It is preferable that the folding ruled lines 32 and 33 are press-formed in a concave arc shape in cross section, and this point is the same in other embodiments.

The paper container formed by the above-described paper container blank plate 1 is a normal gauber top type paper container manufactured without using the inverted Y-shaped folding ruled lines 32 and 33. It is. That is, the folding line 19 is folded in a mountain, and the set of the first sealing piece 14, the first lid forming section 10, the first container main body forming section 2, the first bottom forming section 6, and the second sealing section 14 are formed. A set of a stopper piece 15, a second lid forming part 11, a second container body forming part 3, and a second bottom forming part 7, a third sealing piece 16, a third lid forming part 12, and a third A set of the container body forming part 4 and the third bottom forming part 8, the fourth sealing piece 17, the fourth lid forming part 13, the fourth container body forming part 5, and the fourth bottom forming part 9 And the connecting piece 18 is connected to the first sealing piece 14, the first lid forming part 10, the first container main body forming part 2, and the first bottom forming part. 6 and adhered to the edge to keep the shape.

Subsequently, the folding line 20 is mountain-folded, and the V-shaped bending line 21 attached to the second bottom forming section 7 and the fourth bottom forming section 9 is valley-folded to form the first to the first to the first. The mating surfaces of the fourth bottom forming parts 6 to 9 are bonded to form a bottomed quadrangular cylindrical paper container. Next, after the contents are filled from the opening of the bottomed quadrangular cylindrical paper container, the folding line 22 is folded in a mountain, and the first lid forming part 10 and the third lid forming part 12 are folded. The applied inverted V-shaped bending line 23 and the bending line 25 provided on the first sealing piece 14 and the third sealing piece 16 are valley-folded to form a gauber top shape. Further, the first sealing piece 14 to the fourth sealing piece 17 are drawn together by using the bending line 24, and their mating surfaces are bonded and sealed, and the external shape as shown in FIG. Make a sealed goebel-top paper container that forms In addition, the bonding of the mating surfaces of each piece and each part is performed using the thermal bonding ability of the resin layer formed on the paper container blank plate.

The gabertop type paper container formed by the paper container blank plate shown in FIG. 1 has two opposing surfaces of a paper container having a rectangular cross section in a direction perpendicular to the axial direction. The folding ruled line 32 provided over the lid forming portion 10 and the first container main body forming portion 2, and the third lid forming portion 12 and the third container main body forming portion 4 are provided. As shown in FIG. 2, the bottom of the folding ruled line 33 is folded into an inverted M-shape when viewed from the first container main body forming part 2 or the third container main body forming part 4 side. It can be folded in a flat state in a folded state. Therefore, when the used paper container is collected and recycled, the flattening operation without bulkiness can be easily performed.

FIG. 3 is a perspective view showing a brick type paper container formed by a paper container blank plate which is a second embodiment of the present invention, and FIG. 4 is a perspective view of the paper container shown in FIG. It is a perspective view which shows the state folded flat after using a container. In the brick type paper container 40 shown in FIG. 3, the inverted Y-shaped folding ruled lines 43, 4 are formed over the lid forming portion and the container main body forming portion on both opposite sides of the paper container 40. 4 is attached. Therefore, after using the brick-type paper container 40, as shown in FIG. 4, the bottom and the trunk can be folded flat by using the folding ruled lines 43 and 44 to valley fold. .

Next, FIG. 5 is a front view showing a third embodiment of the paper container blank plate of the present invention, and FIG. 6 is a paper sheet formed by the paper container blank plate shown in FIG. It is a perspective view showing the state where a container is folded up. The paper container blank plate 1 shown in FIG. 5 is provided with an inverted Y-shaped folding rule 37 over the first lid forming portion 10 and the first container main body forming portion 2. An inverted Y-shaped folding rule 38 is provided over the third lid forming portion 12 and the third container main body forming portion 4. Further, a horizontal folding rule line 39 connecting the vertexes of the inverted V-shaped portions of the two folding rule lines 37 and 38 is provided. In other words, the paper container blank plate 1 shown in FIG. 5 is different from the above-described paper container blank plate shown in FIG. A ruled line 39 for folding in the horizontal direction connecting between the vertices of the inverted V-shaped portion of the ruled lines 37 and 38 is provided.

In the case of the gobel top type paper container using the paper container blank plate 1 shown in FIG. 5, after the use of the paper container, the vertical folding of the inverted Y-shaped folding ruled lines 37 and 38 is performed. Using the ruled line, valley fold, using the inverted V-shaped folding ruled line 37, 38 of the inverted Y-shaped folding ruled line, the bottom portion is folded into the inverted M-shaped, then the horizontal direction. The bottom of the second container body forming portion 3 is folded up by folding the folding ruled line 39 down. As a result, as shown in FIG. 6, the bottom portion is bent in a rectangular shape when viewed from the first container main body forming portion 2 side, so that it can be folded flat.

In the paper container made of the paper container blank plate 1 shown in FIG. 1 or FIG. 3, when the paper container is folded after the use of the paper container, the bottom portion forming the most multilayer portion of the paper container has four layers. However, in the paper container made of the paper container blank plate 1 shown in FIG. 5, the paper container can be folded without an overlapping portion between the bottom portions. Therefore, the used paper container can be easily folded into a thinner flat shape as compared with the paper container made of the paper container blank plate 1 shown in FIGS.

FIG. 7 is a front view showing a fourth embodiment of the paper container blank plate of the present invention. In this paper container blank plate 1, an inverted Y-shaped folding ruled line 37 is provided over the second sealing piece 15, the second lid forming portion 11, and the second container main body forming portion 3. In addition, an inverted Y-shaped folding ruled line 38 is also provided over the fourth sealing piece 17, the fourth lid forming part 13, and the fourth container body forming part 5. .

The vertical straight line portion of the folding ruled line 37 is located on the center line in the width direction of the second sealing piece 15, the second lid forming section 11, and the second container body forming section 3, and It is provided from the edge to a height (1/2) b position corresponding to 1/2 of the width b of the bottom side. In addition, the inverted V-shaped portion of the inverted Y-shaped folding ruled line is a lower edge of the folding ruled line forming a vertical straight line portion, that is, a height corresponding to half the width b of the bottom side. (1/2) At position b, the lower edge of the folding ruled line that forms a straight line in the vertical direction is defined as a vertex, and the vertex is connected to both ends of the bottom of the second container body forming unit 3 from the vertex.

The vertical linear portion of the folding ruled line 38 is located on the center line in the width direction of the second sealing piece 17, the fourth lid forming portion 13, and the fourth container main body forming portion 5. , From the upper edge to a height position corresponding to half of the width of the bottom side. In addition, the inverted V-shaped portion of the inverted Y-shaped folding ruled line has a lower edge of the folding ruled line forming the vertical straight line portion as an apex, and the fourth container body forming portion from this apex. 5 are connected to both ends at the bottom. Further, a horizontal folding rule line 39 connecting the vertices forming the inverted V-shape among the two folding rule lines 37 and 38 forming the inverted Y shape is provided.

In other words, the paper container blank plate 1 shown in FIG. 7 is obtained by replacing the folding rule lines 37, 38 and 39 of the paper container blank plate 1 shown in FIG. The paper container formed by this and the state when the paper container is folded after use are the paper container blank plate 1 shown in FIG. And paper containers. It should be noted that the blank plate for the paper container shown in FIG. 1 above, the blank plate for the paper container for forming the paper container shown in FIG. Also in the case of a board, it is of course possible to similarly form the folding ruled line by moving it in parallel by one section defined by the vertical folding line 19.

FIG. 8 is a perspective view showing a brick-type paper container formed by a paper container blank plate according to a fifth embodiment of the present invention. The brick-shaped paper container 40 shown in FIG. 8 includes inverted Y-shaped folding ruled lines 48, 4 over the lid forming portion and the container main body forming portion on both opposite sides of the paper container 40. Reference numeral 9 is added, and a horizontal folding rule 50 connecting between the inverted V-shaped vertices of the inverted Y-shaped folding ruled lines 48 and 49 is further provided. Therefore, after the brick type paper container 40 is used, it can be folded into a flat shape as shown in FIG. 6 by using the folding rule lines 48, 49 and 50.

Hereinafter, a paper container blank plate provided with folding ruled lines having a configuration different from that of the present invention or a paper container formed thereby will be described for comparison. FIG. 9 is a front view showing the paper container blank plate of Reference Example 1 provided with folding ruled lines for the paper container. FIG. 10 is a perspective view showing a state in which the paper container formed by the paper container blank plate shown in FIG. 9 is folded after use, and FIG. 11 is a side view thereof. In the paper container blank plate 1 shown in FIG. 9, a vertical folding ruled line 34 extends over the first lid forming portion 10 and the first container main body forming portion 2, and a third lid forming portion is formed. The vertical folding ruled line 35 extending over the portion 12 and the third container body forming portion 4 corresponds to half the width a of the bottom side from the upper edge along the center line in the width direction. It is provided up to the height (1/2) a position. Further, the lower edges of both of the folding lines 34 and 35 in the vertical direction are connected to each other, that is, the height (1/2) a which is a half of the width a of the bottom side is connected in the horizontal direction. A folding ruled line 36 is provided.

In the gobel-top type paper container with the paper container blank plate 1 shown in FIG. 9, when the paper container is folded after use, both vertical folding ruled lines 34 and 35 are folded in a valley. After the bottoms on the side of the first container main body forming part 2 and the third container main body forming part 4 are bent into an inverted V-shape, the horizontal folding ruled line 36 is valley-folded. Of the container body forming part 3 is folded up. As a result, as shown in FIGS. 10 and 11, the bottom portion is folded in a letter-like shape when viewed from the first container body forming portion 2 side, and is folded flat.

In the paper container made of the paper container blank plate 1 of the first embodiment, the ruled lines for bending the bottoms of the first container body forming portion 2 and the third container body forming portion 4 on the side of the inverted V shape are formed. Since there is no paper container, it takes more time to flatten than the paper container of the paper container blank plate shown in FIG. 5, but as with the paper container of the paper container blank plate shown in FIG. Since the paper container can be folded without an overlapping portion between the bottom portions, the used paper container can be folded into a thin flat shape.

FIG. 12 is a perspective view showing a brick type paper container formed by a paper container blank plate of Reference Example 2 provided with folding ruled lines for the paper container. FIG. FIG. 13 is a perspective view showing a state in which the brick type paper container shown in FIG. 12 is folded after use. In the brick type paper container 40 shown in FIG. 12, vertical folding ruled lines 45 and 46 are respectively provided on the lid forming portion and the container main body forming portion on both sides facing the paper container 40 in width. Along the center line in the direction, it is provided from the upper edge to a height position corresponding to half the width of the bottom side. Further, a horizontal folding rule 47 connecting the height positions of the vertical folding rule is provided. Therefore, after using the brick type paper container 40, as shown in FIG. 13, it can be folded by valley folding using the folding ruled lines 45, 46, and 47.

Next, FIG. 14 is a perspective view showing a brick type paper container formed by a paper container blank plate of Reference Example 3 provided with folding ruled lines for the paper container, and FIG. FIG. 7 is a perspective view showing a state in which the paper container shown in FIG. The brick type paper container 40 shown in FIG. 14 is provided with a vertical folding ruled line 41 along a center line in the width direction at a lid forming portion and a container main body forming portion on opposite sides of the paper container 40. , 42 are attached. Therefore, after using the brick type paper container 40, as shown in FIG. 15, it can be folded by valley folding using the folding ruled lines 41 and 42.

As described above according to the above embodiments, the paper container blank plate of the present invention can be used for forming a paper container having a rectangular cross section in a direction perpendicular to the axial direction. The same applies to the case where the cross-sectional shape is square or rectangular.

[0033]

[Effect of the invention]

 The paper container using the paper container blank plate of the present invention is formed by folding longitudinally formed on two opposing surfaces of four longitudinal peripheral surfaces forming a paper container having a rectangular cross section. Flat folding using a reverse Y-shaped folding ruled line that combines an inverted V-shaped folding ruled line from the lower edge of the vertical folding ruled line with the lower edge of the vertical folding ruled line. Thus, the used paper container can be treated easily and without bulk, thereby reducing the labor and transportation cost for recycling the used paper container for recycling.

In addition, in addition to the inverted Y-shaped folding rule, when a horizontal folding rule connecting the vertices of the inverted V-shaped portion is provided, the inverted Y-shaped folding rule is provided. By folding using the folding ruled line of (1) and simultaneously using the folding ruled line in the horizontal direction, the bottom of the paper container can be folded up and folded into a letter-shape. In addition, the used paper container can be easily folded into a thinner flat shape.

[Brief description of the drawings]

FIG. 1 is a front view showing a first embodiment of a paper container blank plate of the present invention.

FIG. 2 is a perspective view showing a process of folding a paper container formed using the paper container blank plate shown in FIG. 1 after use.

FIG. 3 is a perspective view showing a brick-type paper container formed by using a paper container blank plate according to a second embodiment of the present invention;

FIG. 4 is a perspective view showing a process of folding the paper container shown in FIG. 3 after use.

FIG. 5 is a front view showing a third embodiment of the paper container blank plate of the present invention.

6 is a perspective view showing a process of folding a paper container formed by using the paper container blank plate shown in FIG. 5 after use.

FIG. 7 is a front view showing a fourth embodiment of the paper container blank plate of the present invention.

FIG. 8 is a perspective view showing a brick-type paper container formed by a fifth embodiment of the paper container blank plate of the present invention.

FIG. 9 is a reference example 1 in which a folding line for folding a paper container is provided.
It is a front view which shows the blank board for paper containers.

FIG. 10 is a perspective view showing a process of folding a paper container formed by using the paper container blank plate shown in FIG. 9 after use.

11 is a side view showing a process of folding a paper container formed by using the paper container blank plate shown in FIG. 9 after use.

FIG. 12 is a perspective view showing a brick type paper container formed by a paper container blank plate of Reference Example 2 provided with folding ruled lines for the paper container.

FIG. 13 is a perspective view showing a process of folding the brick type paper container shown in FIG. 12 after using it.

FIG. 14 is a perspective view showing a brick type paper container formed by a paper container blank plate of Reference Example 3 provided with folding rule lines for the paper container.

FIG. 15 is a perspective view showing a process of folding the brick type paper container shown in FIG. 14 after use.

FIG. 16 is a front view showing a conventional paper container blank plate for molding into a gobel top type paper container.

17 is a perspective view showing a goebel top type paper container formed by the paper container blank plate shown in FIG. 16;

FIG. 18 is a cross-sectional view showing an example of a laminated sheet forming a paper container blank plate.

[Explanation of symbols]

 l: blank plate for paper container, 2 to 5: first to fourth container body forming portions, 6 to 9: first to fourth bottom forming portions, 10 to 13 ... 1 to 4th lid forming portion, 14 to 17 first to fourth sealing pieces, 18 to connecting pieces, 19 to 25 to bending line, 31 to goebel top type paper Containers, 32 to 33: Ruled lines for folding, 34 to 36: Ruled lines for folding, 37 to 39: Ruled lines for folding, 40: Brick-shaped paper container, 41 to 42: For folding Ruled lines, 43 to 44: folding ruled line, 45 to 47: folding ruled line, 48 to 50: folding ruled line.

Claims (1)

[Utility model registration claims] 1. A paper container blank plate for forming a paper container having a rectangular cross section in a direction perpendicular to the axial direction, wherein the cross section of the four vertical peripheral surfaces forming a paper container having a rectangular shape. On the two opposing surfaces, each along the center line in the width direction, and from the upper edge, の of the width of the bottom continuous to the vertical peripheral surface.
And a folding line provided in an inverted V-shape toward the bottom of the paper container with the height position of the vertical folding ruled line as a vertex provided up to a height position corresponding to the vertical folding ruled line. A blank plate for a paper container, provided with an inverted Y-shaped folding rule line in combination with a rule line for a paper container.