JP4563048B2 - Seal end carton - Google Patents

Description

  The present invention relates to a seal end carton having a shape for opening a seal end portion, and more particularly to a flat seal end carton having a shape capable of easily opening a seal end portion.

Conventionally, various shapes have been put to practical use as cartons, but shapes of sealed end cartons that are simple and have good suitability for high-speed filling and packaging are widely used. As a method for opening the seal end carton, various forms using a zipper or the like are employed. In particular, in a flat seal end carton, as shown in FIG. 9, an arc-shaped knob 14a is provided by a knob cut line X at the center of the upper side of the rear plate 14 so as to be broken by light finger pressure. A shape is widely used in which opening cut lines Y and Y are provided from both ends of the knob cut line X to both ends on the broken line between the rear plate 14 and the ceiling plate 19 to open the top T. When opening the top portion T of the seal end carton 2 having this shape, first, the knob portion 14a is pressed with a fingertip to break the knob portion cut line X, and then the top plate 17 and the ceiling plate together with the knob portion 14a are opened. The top portion T can be unsealed by picking up 19 and pulling it upwards and tearing open tear lines Y, Y extending on both sides of the fold line h between the rear plate 14 and the ceiling plate 19 (for example, , See Patent Document 1).
Japanese Unexamined Patent Publication No. 7-61443

  However, in the above-described opening method in the conventional seal end carton, the knob part is pushed open at the knob part cut line, and then the cut line between the knob part line and the both ends of the rear plate and the ceiling plate is extended to both ends. Although the provided opening break line is torn and the top is opened, it is necessary to strongly press the knob and tear the knob cut line. If the knob part cut line is easily broken so that the knob part can be easily opened, there is a problem that dust and moisture easily enter from the outside, which is not preferable from the viewpoint of food hygiene.

  The present invention provides, as an appropriate and effective solution to the above problems, a sealed end carton having an opening at the top, which can easily open the knob. In addition, the present invention provides a sealed end carton having a shape that is difficult for dust and moisture to enter and is preferable from the viewpoint of food hygiene.

The present invention has been developed to solve the above-mentioned problems, using paperboard as a material, and forming a body portion by continuously connecting side plates, front plates, side plates, and rear plates through vertical folding lines, A top plate is connected to the top side of the rear plate via a broken line, a top plate is connected to the top side of the front plate via a broken line, and the top plate is laminated on the top plate to form a top portion. In the sealed end carton provided with a knob part by a knob part cut line at the center of the upper side of the rear plate, the knob part cut line is formed double by a knob part inner cut line and a knob part outer cut line It is a seal end carton characterized by. Then, the shape of the front Symbol knob inner cut line is semi-slices, the knob outer cut line is a perforation penetrating the material, in the machining shape of the knob inner cut line from the surface side It is characterized by being. Furthermore, the knob portion has an arc shape that swells toward the center of the rear plate.

  In the seal end carton of the present invention, a knob portion is provided by a knob cut line at the center of the upper side of the rear plate, and by making the knob part cut line into a double line shape, the opening of the knob portion is the elderly, Anyone, including children, can easily do this by pressing with their fingers.

  Moreover, the knob part can be opened easily by making the knob part inner cut line from the front surface side and the knob part outer cut line processed from the back side to be a double line knob part cut line. In this case, it is possible to prevent the entry of dust and moisture from the outside, and it is possible to obtain a preferable sealed end carton from the viewpoint of food hygiene.

  Furthermore, by making the opening break line on the broken line, it is easy to open the knob part and the top part, and moisture, dust, etc. do not enter through the hole of the knob part cut line, and the food hygiene In addition, it is preferable from the point of view, and further, the unsealed cut line is not provided on the broken line, so that the strength of the sealed end carton is reduced by breaking the open cut line at the stage before opening such as distribution and sales. There is an effect that it is possible to provide a sealed end carton that does not impair the commercial value of the appearance that occurs when the top edge is damaged.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an appearance of a seal end carton of the present invention, FIG. 2 is a development view of a blank of the seal end carton of the present invention, and FIG. 3 is a view of a blank of the seal end carton of the present invention. 4 is a partially enlarged view, FIG. 4 is a perspective view showing a stage of assembling the seal end carton of the present invention, FIG. 5 is a schematic view for explaining opening of the seal end carton of the present invention, and FIG. FIG. 7 is a perspective view showing an external appearance of another embodiment of the seal end carton of the present invention, FIG. 7 is a developed view of a blank of another embodiment of the seal end carton of the present invention, and FIG. 8 is a seal of the present invention; FIG. 9 is a schematic view for explaining opening of another embodiment of the end carton, and FIG. 9 is a perspective view showing an appearance of a conventional sealed end carton.

  As shown in FIG. 1, the seal end carton 1 of the present invention is provided with a knob 14 a at the center of the upper side of the rear plate 14 by a knob cut line x, and both end points of the knob cut line x. Opening cut lines y and y are provided from p and p to the both ends of the broken line h continuously from the knob cut line x. And it is the characteristic that the shape of the knob | pick part cut line x which forms the knob | pick part 14a is made into the double line shape of the knob | pick part inner side cut line x1 and the knob | pick part outer side cut line x2.

  FIG. 2A is a development view showing the blank 10 of the seal end carton 1, wherein the side plate 11, the front plate 12, the side plate 13, the rear plate 14, and the adhesive margin piece 15 are represented by broken lines a, b, c, d. The glue margin piece 15 is bonded to the back surface of the side plate 11 to form the body portion of the seal end carton 1A. Further, the top plate 16, the top plate 17, the top fold piece 18, and the top plate 19 are respectively connected to the upper sides of the side plate 11, the front plate 12, the side plate 13, and the rear plate 14 through folding lines e, f, g, and h, respectively. Are connected, and these constitute the top portion T in the formation of the seal end carton 1A. Furthermore, a bottom folding piece 20, a bottom plate 21, a bottom folding piece 22, and a bottom bottom plate 23 are provided on the lower sides of the side plate 11, the front plate 12, the side plate 13, and the rear plate 14 through folding lines i, j, k, and l, respectively. These are connected, and these constitute the bottom B when the seal end carton 1A is formed.

  Further, in order to facilitate the opening of the seal end carton 1, a contour of a knob portion 14 a that can be broken with light finger pressure is formed at the center of the upper side of the rear plate 14 with a knob portion cut line x. This knob part cut line x has a double line shape of a knob part inner cut line x1 and a knob part outer cut line x2, and can be provided by perforations, half cuts, lead rules, and the like. The shape is formed in an arc shape that swells toward the center of the rear plate 14. In addition, the shape does not need to be a complete arc shape, and can be a shape such as a rectangle or a polygon, for example, but in order to be easily separated by inserting a finger, Alternatively, in order to easily form the knob cut line, it is desirable to have a shape having no corners, that is, a shape such as an arc or an elliptical arc.

  The distance r between the knob inner cut line x1 and the knob outer cut line x2, which is the knob cut line x, is preferably in the range of 0.5 to 1.5 mm. It becomes easy to break at the stage before opening, and when it exceeds 1.5 mm, the effect of double perforation is not seen, and the appearance after breakage also deteriorates.

  Next, a specific example of the shape of the knob cut line x is given. First, as shown in FIG. 3A, the knob portion inner cut line x1 and the knob portion outer cut line x2 are both formed by perforations. In this shape, as compared with the conventional single perforation, the knob can be opened by pressing very easily by being doubled, and processing is easy.

  2nd is an example which provided both the knob | pick part inner side cut line x1 and the knob | pick part outer side cut line x2 as a half cut, as shown to FIG. 3-b, and picked the knob | pick part inner side cut line x1 from the surface side. The outer cut line x2 is processed from the back side. The half-cut depth is approximately half the thickness of the paperboard. In this shape, it is easy to open the knob, and it is difficult for dust and moisture to enter from the knob line x, which is preferable from the viewpoint of food hygiene.

  Third, as shown in FIG. 3C, the knob portion inner cut line x1 is a half cut from the surface side, and the knob portion outer cut line x2 is a perforation. The half-cut depth is approximately ½ of the thickness of the paperboard. With this shape, in addition to making it easier to open the knob part, the knob part outer cut line x2 can be made into a thin shape or the like in which the perforated line is difficult for dust and the like to enter, and dust and moisture can enter from the knob part cut line x This is also preferable from the viewpoint of food hygiene.

  Further, the opening cut lines y and y are extended outwardly on the fold line h from both ends of the knob section cut line x, that is, from the intersection of the fold line h of the rear plate 14 and the ceiling plate 19. The unsealed cut lines y and y are provided up to both ends of the broken line h, and can be provided by perforations, lead rules, discontinuous L-shaped cuts, and the like.

  When assembling the seal end carton 1 of the present invention, first, as shown in FIG. 4A, the cylindrical seal end carton 1 in a state where the paste margin piece 15 is bonded to the side plate 11 (sucked) and folded. Form. Next, the folded seal end carton 1 is supplied to the automatic filling and packaging machine, and as shown in FIG. 4B, the bottom folded pieces 20, 22, the bottom lower plate 23, and the bottom plate 21 are sequentially folded and bonded to the bottom portion. B is formed. Next, after filling the contents from the upper opening, the top folding pieces 16 and 18 and the ceiling plate 19 are folded at the top T as shown in FIG. 17 is stacked and the two plates are bonded together to form the top T of the seal end carton 1 to complete the filling and packaging.

  And this top part T comprises the cover part at the time of resealing a seal end carton after opening a seal end carton once.

  When opening the seal end carton 1 of the present invention, first, as shown in FIG. 5A, the knob 14a is pressed with a fingertip to break the knob cut line x, and then opened. As shown in FIG. 4, the top plate 17 and the ceiling plate 19 are picked together with the knob 14a and pulled upward, and unsealed lines y and y extending on both sides of the folding line h between the back plate 14 and the ceiling plate 19 are displayed. The top T can be opened by tearing to both ends.

  In this way, as shown in FIG. 5C, the top portion T can be opened, the top portion T becomes a rotation type lid portion, and the broken line f between the front plate 12 and the top plate 17 is a hinge of the lid portion. Part. At that time, the cut portion of the rear plate 14 at the cut portion cut line x is formed in an arc shape, so that the contents can be easily taken out.

  Next, the present invention will be described in detail below with specific examples. As shown in FIG. 6, the seal end carton 1 </ b> A of the present embodiment has a shape in which a knob 14 a is provided by a knob cut line x at the center of the upper side of the rear plate 14. Actually, a peeled portion 19a is formed on the ceiling plate 19 by a half-cut line z, and the top plate 17 and the ceiling plate 19 are bonded together with an adhesive pattern H in the region of the peeled portion 19a. When the top portion T is opened, the surface layer of the peeling portion 19a of the ceiling plate 19 is peeled, and the ceiling plate 17 is easily separated from the ceiling plate 19 and opened.

  FIG. 7 is a development view showing the blank 10A of the seal end carton 1A, and the side plate 11, the front plate 12, the side plate 13, the rear plate 14, and the adhesive margin piece 15 are connected via the broken lines a, b, c, and d. The glue piece 15 is bonded to the back surface of the side plate 11 to form the body portion of the sealed end carton 1A. Further, the top plate 16, the top plate 17, the top fold piece 18, and the top plate 19 are respectively connected to the upper sides of the side plate 11, the front plate 12, the side plate 13, and the rear plate 14 through folding lines e, f, g, h. Are connected to each other, and these constitute the top portion T when the seal end carton 1B is formed. Furthermore, a bottom folding piece 20, a bottom plate 21, a bottom folding piece 22, and a bottom bottom plate 23 are provided on the lower sides of the side plate 11, the front plate 12, the side plate 13, and the rear plate 14 through folding lines i, j, k, and l, respectively. These are connected, and these constitute the bottom B when the seal end carton 1A is formed.

  Further, in order to facilitate the opening of the seal end carton 1A, a knob part 14a that can be broken by light finger pressure is formed at the center of the upper side of the rear plate 14 with a knob part cut line x. The outline of the knob 14 a was formed in an arc shape that swells toward the center of the rear plate 14. As for this knob part cut line x, both the knob part inner cut line x1 and the knob part outer cut line x2 are provided in half, and the knob part inner cut line x1 is processed from the front side, and the knob part outer cut line x2 is processed from the back side. The half-cut depth was approximately half the thickness of the paperboard.

  Further, the ceiling plate 19 is formed with a peeling portion 19a by a half-cut line z from the surface, and the shape of the peeling portion 19a includes an adhesive pattern H for bonding the top plate 17 and the ceiling plate 19 in the region. A U-shape that can be used. The depth of the half-cut line z was approximately ½ from above the paperboard of the material.

  To open the seal end carton 1A of the present embodiment, first, as shown in FIG. 8A, when the knob 14a provided at the center of the upper side of the rear plate 14 is lightly pressed with a finger, the knob section break line x is obtained. As shown in FIG. 8B, the peeled portion 19a of the top plate 19 is peeled off by tearing and opening the top plate 17 and the top plate 19 together with the pick portion 14a. As shown in FIG. 8C, the top plate 17 is separated from the ceiling plate 19, and at that time, the peeling layer 19a of the ceiling plate 19 peels off the surface layer of the ceiling plate 19. It became a state to be. And the top part T was able to be opened as shown to FIG. 8-d.

  Thus, the seal end carton 1A of the present embodiment assembled from the blank 10A can easily open the knob portion 14a and the top portion T by forming the unsealed cut line on the broken line h, and It is preferable from the point of view of food hygiene that moisture or dust does not enter from the knob cut line x, and the unsealed cut line y is not provided on the broken line h. In the previous stage, there is no reduction in the strength of the seal end carton caused by the breaking of the unsealed cut line y, and there is no loss in the commercial value of the appearance caused by damage to the edge of the top T. And was able to.

  Can be widely used in general seal end carton. In particular, it can be effectively used for a flat seal end carton.

It is a perspective view which shows the external appearance of the seal end carton of this invention. It is an expanded view of the blank of the seal end carton of the present invention. It is the elements on larger scale of the blank of the seal end carton of the present invention. It is a perspective view which shows the step which assembles the seal | sticker end carton of this invention. It is the schematic explaining opening of the seal end carton of the present invention. It is a perspective view which shows the external appearance of the other Example of the seal end carton of this invention. It is an expanded view of the blank of the other Example of the seal end carton of this invention. It is the schematic explaining opening of the other Example of the seal end carton of this invention. It is a perspective view which shows the external appearance of the conventional seal end carton.

Explanation of symbols

1 Seal End Carton 1A Seal End Carton 2 Conventional Seal End Carton X Knob Cut Line (Conventional Seal End Carton)
Y Unsealed line (conventional seal end carton)
DESCRIPTION OF SYMBOLS 10 Blank 10A Blank 11 Side board 12 Front board 13 Side board 14 Back board 14a Knob part 15 Glue piece 16 Top folding piece 17 Top board 18 Top folding piece 19 Top plate 19a Peeling part 20 Bottom folding piece 21 Bottom board 22 Bottom folding piece 23 Bottom bottom 23 Plate a ~ l Polygonal line T Top B B Bottom H Adhesion pattern x Knob cut line x1 Knob inner cut line x2 Knob outer cut line y Unsealed cut line z Half cut line

Claims (2)

Using paperboard as a material, side plates, front plates, side plates, and rear plates are connected through vertical folding lines to form a body portion, and a ceiling plate is connected to the upper side of the rear plates through folding lines, and the front plates A top plate is connected to the top side of the top plate via a broken line, and the top plate is stacked on top of the top plate to form a top portion. In the sealed end carton,
A sewing machine in which the knob section cut line is formed in a double by a knob section inner cut line and a knob section outer cut line, the knob section inner cut line is a half cut, and the knob section outer cut line penetrates the material. eyes der is, seal end cartons which is a machined shape the knob inner cut line from the surface side. The seal end carton according to claim 1, wherein the knob has an arc shape that swells toward the center of the rear plate .

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