JP3883617B2 - Carton blank with window and carton with window - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a carton with a window through which the packaged contents can be seen from the outside, and more specifically, a window made of a laminate of a sheet made of paper or synthetic resin and a transparent plastic film, and the window portion is a transparent plastic film. The carton is attached.
[0002]
[Prior art]
Conventionally, various types of carton with a window are known, and in these known cartons, the window part is provided by means such as punching into a desired shape, and then the window part The thing of the structure which coat | covered and stuck the transparent plastic film using the adhesive agent etc. on the back surface of this is widely known.
[0003]
In addition, these carton with a window can see through the packaged contents from the outside, so that the contents can be directly appealed to the purchaser and have a function of incentive to purchase. In addition, in order to further enhance the above functions, the design of the parts other than the window part has been devised, and a window having a very high gloss appearance is formed by forming a part that becomes a window and then covering the entire carton with a transparent plastic film. A carton is also known.
[0004]
However, in each of the above-described conventional techniques, the blank plate base material in a portion that becomes a window is discarded as an unnecessary material during the manufacturing process, resulting in an increase in manufacturing cost or waste of resources.
[0005]
[Problems to be solved by the invention]
Therefore, the present invention reduces the manufacturing cost by using the portion of the conventional carton with a window, which has been discarded as a window part during the manufacturing process, as the back plate of the carton with a window, and makes effective use of resources. Another object of the present invention is to provide a carton with a window having a high gloss appearance even in a portion other than the window.
[0006]
[Means for Solving the Problems]
As a result of various studies to solve the above-described problems, the present inventor has left and right side plates symmetrically via a main body piece and left and right sides of the main body piece through vertical folding rules parallel to the side. Insertion flaps are sequentially connected, and have a rectangular upper surface plate having a certain width at the upper and lower ends of the main body piece and a lower end portion of the surface plate, and on both the left and right sides of the main body piece in parallel with the vertical folding ruler. Two cut lines are provided on the main body piece except for the upper surface plate and the lower end portion of the surface plate so as to form both left and right end portions of the surface plate having a certain width, and the line connecting the upper ends of the cut lines The second horizontal fold rule is provided inside the cut line on the line connecting the lower end of the cut line and the first horizontal fold rule on the left and right outer sides of the cut line, and further, the inner side of the first horizontal fold rule Both the left and right sides of the score line parallel to the first horizontal crease across an upper side plate having a lateral dimension of the side plate A third side fold rule is provided on the side, and a lower side plate having a lateral dimension of the side plate is provided inside the second side rule, and the inside of the cut line is parallel to the second side rule. In the blank plate provided with the fourth horizontal crease, at least the surface of the body piece is covered with a transparent plastic film, and the lines connecting the two cut lines and the inner ends of the first horizontal crease and the Except for the non-adhesive area surrounded by the second horizontal folding ruler, the first horizontal folding ruler of the window carton blank plate, the fourth A surface part, a side part, and a bottom part are formed by valley-folding at a substantially right angle with a horizontal fold rule, and further by mountain-folding at a substantially right angle with a second horizontal fold rule, a third horizontal fold rule, The inner side of the back plate and the lower side plate excluding the upper plate in the part A window made of a transparent plastic film is formed between the left and right end portions of the surface plate and between the left and right end portions of the side plate by inserting the insertion flaps and the folding flaps by folding the folding ruler and the horizontal folding ruler at a substantially right angle. The part that has been formed and discarded as a conventional window part during the manufacturing process can be used as the back plate of a carton with a window, etc., and it leads to the effective use of resources, and the part other than the window part has a high gloss appearance. The present invention has been completed by finding that a carton with a window can be produced.
[0007]
That is, according to the present invention, the side plate and the insertion flap are sequentially connected to the main body piece and the left and right sides of the main body piece in a symmetrical manner via vertical folding rules parallel to the side, A rectangular upper surface plate having a certain width at the upper and lower ends and a lower end portion of the surface plate, and the left and right ends of the surface plate having a certain width are formed on both the left and right sides of the main body piece in parallel with the vertical folding ruler. Two cut lines are provided on the main body piece except for the lower end portion of the upper surface plate and the front surface plate, and the first horizontal folding ruler is formed on the left and right outer sides of the cut line on the line connecting the upper ends of the cut lines. And a second horizontal fold rule is provided inside the cut line on a line connecting the lower ends of the score line, and an upper side plate having a lateral dimension of the side plate is separated inside the first horizontal fold rule. A third horizontal folding rule is provided on both the left and right outer sides of the score line in parallel with the first horizontal folding rule, and the second In a blank plate provided with a fourth horizontal fold ruled line inside the score line in parallel with the second horizontal fold ruled line, with a lower side plate having a lateral dimension of the side face plate inside the crease ruled, at least the main body Covering the transparent plastic film on the surface of the piece, except for the non-adhesive region surrounded by the two cut lines and the line connecting the inner ends of the first horizontal ruled line and the second horizontal ruled line, The transparent plastic film is attached, and the carton blank plate with a window using the window carton blank plate in which the main body piece of the non-adhesive region portion forms a back plate and a lower side plate during box making, By folding the first horizontal fold rule and the fourth horizontal fold rule at a substantially right angle, and further folding the second horizontal fold rule and the third horizontal fold rule at a substantially right angle, A bottom portion is formed, and the top plate is removed from the bottom portion. By folding the vertical and horizontal fold rules at a substantially right angle inside the back plate and the lower side plate and inserting the insertion flaps and the folding flaps, between the left and right ends of the surface plate and the left and right ends of the side plate The present invention relates to a carton with a window, wherein a window part made of a transparent plastic film is formed between the parts.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
The above-described present invention will be described in more detail below with reference to the drawings.
First, the blank board for a carton with a window and the carton with a window of the present invention will be described with reference to the drawings. FIG. 1 is a plan view of the blank board for a carton with a window of the present invention, and FIG. FIG. 3 is a cross-sectional view taken along line XX in FIG. 2. In the figure, 1 is a body piece, 2, 3, 4 and 5 are vertical folding rules, 6 and 7 are side plates, 8 is a rectangular top plate, 9 is the lower end of the surface plate, and 10 and 11 are the surface plates. Left and right ends, 12, 13 are score lines, 14 is a first horizontal fold rule, 15 is a second horizontal fold rule, 16 is an upper side plate, 16 ', 16 ”are left and right ends of the upper side plate 16, 17 is Third side fold ruler, 18 is the lower side plate, 19 is the fourth side fold rule, 20 is a transparent plastic film, 21 and 22 are side fold rules, 23 and 24 are insertion flaps, 25, 26, 27, 28, 29 and 30 are folding flaps, 31 is an adhesive layer, 32 is a blank plate substrate, 33 is a printed layer, 34 is a front plate, and 35 is a back plate.
[0009]
Next, an example of a manufacturing method is explained in full detail below using FIG. 1 about the blank board for carton with a window of this invention, and the carton with a window.
Non-adhesive printing with gravure printing in color tone on 210 g / m ² thick paper, and at the same time surrounded by the cut lines 12, 13 on the same plane as the printing surface and the first horizontal folding rule 14 and the second horizontal folding rule 15 An intermediate base material having 1.5 g / m ^{2 of} dry printing of the silicone release agent in the region and provided with the score lines 12 and 13 and the fourth horizontal crease 19 is prepared. Thereafter, a urethane adhesive is dry-coated at 3 g / m ² by a gravure coating method on the corona discharge-treated surface of the biaxially stretched polypropylene film of the transparent plastic film 20 to produce a laminate laminated with the intermediate substrate. Next, using the laminate, vertical folding rules 2, 3, 4, 5 are formed by a punching machine such as a rotary die cutter so as to form side plates 6, 7, insertion flaps 23, 24 and folding flaps 29, 30. At the same time, the first horizontal fold line 14, the second horizontal fold line 15, and the third horizontal line are formed on the main body piece 1 so as to form the upper surface plate 8, the upper side surface plate 16, the lower side surface plate 18, and the surface portion and the side surface portion. Insert the crease 17 and insert the horizontal folds 21 and 22 at the lower ends of the left and right side plates 6 and 7 and the left and right insertion flaps 23 and 24 so as to form further folding flaps 25, 26, 27 and 28. The blank board for carton with a window of the present invention can be manufactured by punching into a plate shape, that is, a developed dimension of a predetermined blank board.
[0010]
Next, using the above-mentioned carton blank board with a window, the first side fold ruled line 14 and the fourth side fold ruled line 19 are folded at substantially right angles, and the second side fold ruled line 15, A surface portion, a side surface portion, and a bottom surface portion are formed by mountain-folding at substantially right angles with the three horizontal folding rules 17, and the vertical folding rules 2 are formed inside the back plate 35 excluding the top plate 8 at the bottom surface portion. , 3, 4 and 5 and the horizontal folding lines 21 and 22 are folded into a substantially right angle and the insertion flaps 23 and 24 and the folding flaps 25, 26, 27, 28, 29 and 30 are inserted into the surface plate 34. A carton with a window in which a window portion made of a transparent plastic film 20 is formed between the left and right end portions 10, 11 and between the left and right end portions 16 ′, 16 ″ of the upper side plate 16 can be produced.
[0011]
In the above-mentioned present invention, the blank board substrate, may be used paper or a synthetic resin sheet, the paper sheet is suitably cardboard ^{160g / m 2 ~500g / m 2} , the synthetic resin As the sheet made, synthetic paper such as polypropylene, polyester, polystyrene, polyvinyl chloride, polypropylene / paper / polypropylene having a thickness of 100 μm to 500 μm is suitable. In addition, as the transparent plastic film covering the window portion, a cellophane or a film made of a resin such as polyethylene, polypropylene, polystyrene, polyvinyl chloride, polyester, polyamide, polycarbonate, or acrylic can be used. The thickness of the film is suitably 12 μm to 50 μm.
[0012]
In addition, as an adhesive for adhering the paper or synthetic resin sheet and the transparent plastic film, depending on the material of the sheet and the transparent plastic film to be used, an aqueous solution type, a solvent type, or a hot melt type can be suitably bonded by selecting wear from known adhesives, the coating amount of the ^{adhesive, 1g / m 2 ~5g / m} 2 are suitable in the dry.
[0013]
As the method for coating the adhesive, an adhesive is coated on the entire surface of the transparent plastic film by using a generally known gravure coating method or roll coating method, and is dried as necessary. The blank board for carton with a window of the present invention can be produced by sticking with a blank board substrate which has been partially coated with a silicone release agent. A commercially available silicone release agent is used, and a dry coating amount of 0.5 g / m ^{2 to} 1.5 g / m ² is appropriate. However, depending on the blank plate substrate used, the silicone release agent penetration prevention to the substrate can be coated with a prospect Me agent purposes.
[0014]
Further, as another method of coating the adhesive, a relief plate or a gravure plate is used, and the adhesive is coated only on a necessary area of the adhesive of the blank plate substrate, and after drying as necessary, the The blank board for carton with a window of this invention can be produced by sticking with a transparent plastic film.
[0015]
【The invention's effect】
As described in detail above, the blank carton for window carton and the carton with window of the present invention are the parts of the conventional carton with window that are discarded as the window during the manufacturing process, such as the back plate of the carton with window, etc. The effective use of the product can reduce the manufacturing cost and also contributes to the effective use of resources, and the transparent plastic film used for the window has a high-gloss appearance in areas other than the window. Sex window carton can be provided.
[Brief description of the drawings]
FIG. 1 is a plan view of a blank board for a carton with a window according to the present invention.
FIG. 2 is a perspective view showing an example of a box shape state of a carton with a window according to the present invention.
3 is a cross-sectional view taken along line XX of the perspective view showing the box-shaped state of the carton with a window according to the present invention shown in FIG.
[Explanation of symbols]
1 Main body pieces 2, 3, 4, 5 Vertical folding rules 6, 7 Side plate 8 Top plate 9 Lower end of surface plate
10, 11 Left and right ends of the surface plate
12, 13 Cut line
14 First horizontal folding ruler
15 Second horizontal folding ruler
16 Upper side plate
16 ', 16 "left and right ends of upper side plate
17 Third horizontal folding ruler
18 Lower side plate
19 Fourth horizontal folding ruler
20 transparent plastic film
21,22 Horizontal folding ruler
23,24 Flap
25,26,27,28,29,30 Folding flap
31 Adhesive layer
32 Blank plate base material
33 Print layer
34 Surface plate
35 Back plate
36 Silicone release agent layer

Claims (5)

Side plates and insertion flaps are sequentially connected to the main body piece and the left and right sides of the main body piece in a symmetrical manner via vertical folding rules parallel to the side edges, and a constant width is provided at the upper and lower ends of the main body piece. Two cut lines so as to form left and right end portions of the surface plate having a rectangular upper surface plate and a lower end portion of the surface plate and having a certain width on both the left and right sides of the main body piece in parallel with the vertical folding ruler. On the main body piece except for the lower end portion of the upper surface plate and the front surface plate, and on the line connecting the upper ends of the cut lines, the first horizontal folding ruled line and the lower ends of the cut lines on both the left and right sides of the cut lines A second horizontal fold ruled line is formed inside the cut line on the line connecting the first horizontal fold ruled line, and the first horizontal fold ruled line is separated from the inner side of the first horizontal fold ruled sheet by an upper side plate having a lateral dimension of the side plate. A third horizontal crease is provided on both the left and right outer sides of the score line in parallel with the second fold rule, In a blank plate provided with a fourth horizontal fold ruled line inside the score line in parallel with the second horizontal fold ruled sheet across a lower side plate having a lateral dimension of the plate, at least on the surface of the main body piece, a transparent plastic film And the transparent plastic film is attached except for a non-adhesive region surrounded by the second cut line and a line connecting the inner ends of the two cut lines and the first horizontal folded ruled line. A blank board for carton with a window, wherein a main body piece of the non-adhesive region portion forms a back plate and a lower side plate during box making.   The blank board for carton with a window according to claim 1, wherein the blank board is a sheet made of paper or synthetic resin.   The blank plate for a carton with a window according to claim 1, wherein the transparent plastic film has a size covering the entire surface of the blank plate. Folding flaps are connected to the left and right outer sides via vertical folding rules on the upper side plate, and folding flaps are connected to lower ends of the side plates or the insertion flaps via horizontal folding rules. The blank board for carton with a window of any one of Claims 1-3 to do . The blank board for carton with a window according to any one of claims 1 to 4 is valley-folded at a substantially right angle with the first horizontal fold rule and the fourth horizontal fold rule, and further the second horizontal fold rule. The surface portion, the side surface portion, and the bottom surface portion are formed by mountain-folding at a substantially right angle at the third horizontal folding rule, and the vertical surface is formed inside the back surface plate and the lower side surface plate excluding the top surface plate at the bottom surface portion. A window portion made of a transparent plastic film between the left and right ends of the surface plate and between the left and right ends of the upper side plate by inserting the insertion flap and the folding flap into a fold-fold and a horizontal fold. A carton with a window, characterized in that is formed.

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