JPH09514U - 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 brick-type paper container having a rectangular horizontal cross section, two of the four vertical peripheral surfaces forming the brick-type paper container 40 are opposed to each other. Add folding lines 41 and 42 in the vertical direction to the two surfaces along the center line in the width direction.
A brick type blank plate for a paper container is constructed.

Description

[Detailed description of the device]

[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 device]

 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, according to the present invention, in a paper container blank plate for forming a brick-shaped paper container having a rectangular cross-section in a direction orthogonal to the axial direction, the brick-shaped paper container having the rectangular cross-section is formed. It consists of a blank plate for a paper container in which two folds in the vertical direction are provided with fold lines in the vertical direction along the center line in the width direction.

[0006]

[Action]

 The paper container using the blank plate for a paper container of the present invention can be folded by valley-folding or mountain-folding it along the vertical folding ruled line attached to the paper container. it can. As a result, the brick-type paper container can be easily folded into a flat shape.

[0007]

【Example】

 Hereinafter, a specific configuration of the paper container blank plate of the present invention will be described with reference to the drawings. FIG. 14 is a perspective view showing a brick type paper container formed by one embodiment of the blank plate for a paper container of the present invention. FIG. 15 is a perspective view showing a process of folding the brick-type paper container shown in FIG. 14 after use.

The brick-type paper container 40 shown in FIG. 14 is vertically folded along the center line in the width direction at the lid forming portion and the container body forming portion on opposite sides of the paper container 40. Ruled lines 41 and 42 are attached. Therefore, the brick-type paper container 40 can be folded after use by, for example, as shown in FIG. 15, by folding it using the folding ruled lines 41 and 42. This allows the brick-type paper container 40 to be easily folded into a flat shape.

The folding method of the brick type paper container 40 is not necessarily limited to the method of folding the folding ruled lines 41 and 42 in a valley manner and folding both side portions inward as described above. After peeling up the triangular folds at both end edges of the upper and lower lid forming parts and the bottom forming part from the paper container body and raising it, crush the paper container from the front and back so that both sides spread out. That is, the folding ruled lines 41 and 42 can be folded in a mountain fold manner. Further, it is preferable that the folding ruled lines 41 and 42 are press-formed in a concave arc shape in cross section. The blank plate for a paper container of the present invention may be any one for forming a paper container having a rectangular cross section in the direction orthogonal to the axial direction, and may have a square cross section, or Even a rectangular shape can be similarly applied.

Hereinafter, although different from the present invention, a paper container blank plate provided with folding ruled lines for folding the paper container flatly after use, or a paper container molded by the blank plate is used as a reference example. , For comparison.

FIG. 1 is a front view showing a paper container blank plate of Reference Example 1 provided with folding lines for a paper container, and FIG. 2 is formed by the paper container blank plate shown in FIG. It is a perspective view which shows the process of folding a paper container. The blank plate 1 for a paper container shown in FIG. 1 is a blank plate used for forming a Gobel-top type paper container. The blank plate 1 for a paper container has a first ruled line for folding the paper container. The lid forming part 10 and the first container body forming part 2 of FIG. 1 are provided with an inverted Y-shaped folding ruled line 32, and the third lid forming part 12 and the third container body are also provided. Over the forming portion 4, there is also provided an inverted Y-shaped folding ruled line 33.

The vertical straight line portion of the folding Y-shaped folding ruled line 32 is on the center line in the width direction of the first lid forming portion 10 and the first container body forming portion 2. , From the upper edge to a height (1/2) a position corresponding to 1/2 of the width a of the bottom side. Further, the inverted V-shaped portion of the inverted Y-shaped portion is the lower edge of the folding ruled line forming the vertical straight line portion, that is, the height (1 / 2) In the a position, the lower edge of the folding ruled line forming a straight line in the vertical direction is used as an apex, and the apex is connected to both ends of the bottom side of the first container body forming portion 2.

The vertical straight line portion of the inverted Y-shaped folding ruled line 33 is on the center line in the width direction of the third lid forming portion 12 and the third container body forming portion 4. , From the upper edge to a height position corresponding to half the width of the bottom side. In addition, the inverted V-shaped portion of the inverted Y-shaped portion has the lower edge of the folding ruled line forming the straight portion in the vertical direction as the apex, and from this apex to both ends of the bottom side of the third container body forming portion 4. It is tied to the club.

A paper container formed by using such a blank plate 1 for a paper container is finished into a sealed Gobel-top type paper container having an external shape as shown in FIG. The govel top type paper container can be folded into a flat shape as shown in FIG. 2 by, for example, folding the folding ruled lines 32 and the folding ruled lines 33 in a valley shape.

Further, FIG. 3 is a perspective view showing a brick-type paper container formed by the blank plate for a paper container of Reference Example 2 provided with folding lines for the paper container, and FIG. It is a perspective view which shows the process of folding after folding the brick-type paper container shown in FIG. 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 blank plate for a paper container of Reference Example 3 provided with folding lines for the paper container, and FIG. 6 is a blank plate for a paper container shown in FIG. FIG. 7 is a perspective view showing a process of folding a paper container formed by the method after use. 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 govel top type paper container with the blank plate 1 for a paper container shown in FIG. 5, after the use of the paper container, one of the inverted Y-shaped folding ruled lines 37, 38 for folding in the vertical direction is used. Use the creases to make a valley fold, and then use the reverse V-shaped folding creases 37 and 38 of the inverted Y-shape to fold the bottom into an inverted M-shape and then fold it horizontally. The bottom part on the second container body forming part 3 side is folded up by valley-folding the folding ruled line 39. 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 with the blank plate 1 for a paper container shown in FIG. 1 or FIG. 3, when the paper container is folded after the use of the paper container, the bottom part forming the most multi-layer part of the paper container has a quadruple layer. However, in the paper container with the blank plate 1 for a paper container shown in FIG. 5, it is possible to fold it without forming 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 paper container blank plate of Reference Example 4 in which folding lines for a paper container are provided. 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 on the center line in the width direction of the second sealing piece 15, the second lid forming portion 11 and the second container body forming portion 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. In addition, the vertical straight line portion of the folding ruled line 38 is on the center line in the width direction of the second sealing piece 17, the fourth lid forming portion 13, and the fourth container body forming portion 5, and has an upper edge. To the height position corresponding to ½ 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.

That is, the paper container blank plate 1 shown in FIG. 7 has the folding ruled lines 37, 38 and 39 in the paper container blank plate 1 shown in FIG. The paper container blank plate 1 shown in FIG. 5 corresponds to a paper container which is parallelly moved by one partition divided by 19 and is formed by folding the paper container after use. It is almost the same as the paper container according to.

FIG. 8 is a perspective view showing a brick-type paper container formed by the paper container blank plate of Reference Example 5 in which folding lines for the paper container are provided. 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.

Next, FIG. 9 is a front view showing a blank plate for a paper container of Reference Example 6 provided with folding lines for the paper container, and FIG. 10 is a blank for the paper container shown in FIG. FIG. 11 is a perspective view showing a process of folding a paper container formed by a plate 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 Goebeltop type paper container with the paper container blank plate 1 shown in FIG. 9, when the paper container is used and then folded, the vertical folding lines 34 and 35 for folding both sides are valley-folded. Then, after bending the bottoms of the 1st container body forming portion 2 and the third container body forming portion 4 side into an inverted V-shape, the horizontal folding ruled lines 36 are valley-folded to form The bottom of the container body forming portion 3 side of No. 2 is folded up. As a result, as shown in FIG. 10 and FIG. 11, the bottom portion is bent in a V-shape when viewed from the first container body forming portion 2 side, and can be folded in a flat shape.

In the paper container using the blank plate 1 for a paper container of Reference Example 6, ruled lines for bending the bottoms of the first container body forming portion 2 and the third container body forming portion 4 side into an inverted V shape are provided. Since it does not exist, it takes more time to flatten than the paper container of the blank plate for paper containers shown in FIG. 5, but like the paper container of the blank plate for paper containers shown in FIG. Since it is possible to fold the bottom portions without forming an overlapping portion, the used paper container can be easily folded into a thinner flat shape.

Further, FIG. 12 is a perspective view showing a brick-type paper container formed by the blank plate for a paper container of Reference Example 7 in which folding lines for the paper container are provided, and FIG. FIG. 13 is a perspective view showing a process of folding the brick-type paper container shown in FIG. 12 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.

[0027]

[Effect of the invention]

 The brick type paper container using the blank plate for a paper container of the present invention has a vertical cross section formed on each of two opposing vertical peripheral surfaces forming a brick type paper container having a rectangular cross section. Since it can be easily folded into a flat shape by using the folding lines in the direction, the used paper container can be treated easily and without making it bulky, which allows the used paper container to be recycled. It is possible to reduce labor and transportation cost.

[Brief description of drawings]

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

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 Reference example 2 in which folding lines for a paper container are provided
It is a perspective view which shows the brick type paper container shape | molded by the blank board for paper containers of this.

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

FIG. 5 is a reference example 3 in which a ruled line for folding a paper container is provided.
It is a front view which shows the blank board for paper containers of.

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 reference example 4 in which a ruled line for folding a paper container is provided.
It is a front view which shows the blank board for paper containers of.

FIG. 8 is a reference example 5 in which folding lines for a paper container are provided.
It is a perspective view which shows the brick type paper container shape | molded by the blank board for paper containers of this.

9 is a reference example 6 in which folding lines for a paper container are provided.
It is a front view which shows the blank board for paper containers of.

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 the paper container blank plate of Reference Example 7 in which folding lines for the paper container are provided.

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 an embodiment of a blank plate for a paper container of the present invention.

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 brick type paper container having a rectangular cross section in a direction orthogonal to the axial direction, wherein the brick type paper container having the rectangular cross section is formed. 4. A blank board for a paper container, characterized in that two folds facing each other in the longitudinal direction are provided with folding ruled lines in the vertical direction along the center line in the width direction.