JP2019218086A - Conical packaging container and packaged food product - Google Patents

Abstract

To provide a conical packaging container and a packaged food product that enable elaborate opening.SOLUTION: A packaging container 201 has a peripheral wall 10 where a blank is wound in a conical shape, and the other side end 24 is stuck onto one side end to form a conical peripheral surface. Tabs T1-T4 are formed at an upper side end so as to serve as origins for tearing a part of the peripheral wall in a belt-like shape. Helical break lines L1, L2 directed toward a conical bottom surface 12 side around a conical apex 11 are formed in a half-cut state in the peripheral wall so as to pass through the conical apex side ends and the conical bottom surface side ends of all the tabs and guide tearing of a tearing part 22. The break line extending from both ends of the tab closest to the conical bottom surface side has an end point P1 at a position of one round around the peripheral wall, tearing of the peripheral wall from the tab closest to the conical apex side to the end point is continuously guided by the break lines even at the stuck side ends, and the container is opened when the end point is reached in tearing from any tab.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a conical packaging container and a packaged food, for example, a conical packaging container having a conical peripheral wall formed of a fan-shaped packaging material (blank), and a conical food package hermetically sealed in the packaging container. Pertaining to prepackaged foods.

  2. Description of the Related Art Packaged foods in which conical foods (ice cream, chocolate confectionery, etc.) are put in a packaging container made by winding a fan-shaped blank in a conical shape and sealed are conventionally known. When eating food in a packaging container, hold the lower half of the packaging container with one hand so that the apex of the cone is down, and tear off the upper half of the packaging container with the other hand to remove the food. The upper half will be exposed to the outside. Various devices have been conventionally proposed to facilitate and smoothly open the packaging container by tearing the peripheral wall (for example, see Patent Documents 1 to 3).

JP-A-57-43217 JP-A-2001-171643 JP-A-63-147415

  In the form of opening as proposed in Patent Documents 1 to 3, etc., in order to expose the upper half of the food to the outside or expose the food in order from above to below, the packaging container is perforated. It just tears away a part of it. In other words, opening the packaging container is merely an operation of exposing food for eating. Considering that the assumed food is ice cream, chocolate confectionery, etc., giving a new significance to opening leads to a great feature of the packaged food. As a result, it is possible to obtain not only the satisfaction of eating the food but also the satisfaction of opening the packaging container.

  The present invention has been made in view of such a situation, and an object of the present invention is to provide a conical packaging container and a packaged food that can be elaborately opened.

In order to achieve the above object, a packaging container according to a first aspect of the present invention provides a packaging container in which a packaging material is wound in a conical shape, and one side end is bonded to the other side end to form a conical peripheral surface. A conical packaging container having a peripheral wall forming
At least two tabs serving as starting points for tearing a part of the peripheral wall in a strip shape are formed at the upper side end,
The peripheral wall is formed such that a spiral break line from the cone apex side to the cone bottom side around the cone apex guides the strip-shaped tear through the cone apex side end and the cone bottom side end of all the tabs. Is formed in a half-cut state,
A breaking line extending from both ends of the tab on the side of the bottom of the most cone has an end point at a position at least one round of the peripheral wall,
The tearing of the peripheral wall from the tab on the side of the apex of the most cone to the end point is continuously guided by the breaking line even at the bonded side end, and when the tearing from any tab reaches the end point, the container is opened. It is characterized by being opened.

  The packaging container according to a second aspect of the present invention is the packaging container according to the first aspect, wherein a part of the peripheral wall is removed in a band shape by one round by tearing from the tab on the bottom side of the cone to the end point. By tearing from the tab on the side of the apex of the cone to the end point, a part of the peripheral wall is removed in a shape of at least two turns and the container is opened.

  The packaging container according to a third aspect of the present invention is the packaging container according to the first aspect, wherein the tab has four tabs, and a part of the peripheral wall is removed in a strip shape by a tear from the tab on the bottom side of the conical surface to the end point. Then, the container is opened, and by tearing from the tab on the side of the apex of the cone to the end point, a part of the peripheral wall is removed in a band shape for four turns, and the container is opened.

  A packaging container according to a fourth aspect is the packaging container according to any one of the first to third aspects, wherein the packaging material includes a base layer, a paper layer, and a barrier layer from the outside to the inside of the packaging container. And a half-cut state of the breaking line is formed by cutting from the base material layer to the paper layer.

  A packaging container according to a fifth aspect of the present invention is the packaging container according to the fourth aspect, wherein a scale pattern in a half-cut state is formed at the lower side end to be bonded by cutting from the base material layer to the paper layer. It is characterized by the following.

  A packaging container according to a sixth aspect of the present invention is the packaging machine according to any one of the first to fifth aspects, wherein a cross-shaped sewing machine is formed as a breaking line from both ends of the tab on the side of the most apex of the cone to the circumference wall. It is characterized by having notches consisting of three rows of diagonal perforations as break lines in the second and subsequent rounds after making one round around the peripheral wall from both ends of the tab on the side of the most conical apex. And

  According to a seventh aspect of the present invention, in the packaging container according to any one of the first to sixth aspects, the breaking lines extending from both ends of the tab closest to the bottom surface of the cone meet at the end point.

  The packaged food according to the eighth aspect is characterized in that the packaged food according to any one of the first to seventh aspects is hermetically packaged in a state in which the food is contained.

  A packaged food according to a ninth aspect is the packaged food according to the eighth aspect, wherein the end point of the break line is located closer to the apex of the cone than to the end of the food toward the bottom of the cone.

  According to the present invention, when the tearing of the peripheral wall from the tab on the side of the most conical apex to the end point is continuously guided by the break line even at the bonded side end, and reaches the end point in tearing from any tab. The container is opened. Therefore, it is possible to open a plurality of types according to the number of tabs. In addition, the closer the tab, which is the starting point of the tearing, is to the vertex of the cone, the longer the part of the peripheral wall is torn spirally, and a feeling like peeling an apple is obtained. For example, according to the tearing of the peripheral wall from the tab on the bottom side of the most cone to the end point, it is possible to easily open the container in a short time around the peripheral wall, while the peripheral wall from the tab on the side of the most conical top to the end point is possible. According to the tearing, it is possible to open an interesting container in which a long tearing piece is formed around the peripheral wall at least two times. In other words, a conical packaging container and a packaged food product that can be opened with elaborate taste can be realized.

The front view which shows the packaging container and packaged food of 1st Embodiment. The top view showing the blank of the packaging container of a 1st embodiment. The front view which shows the packaging container and packaged food of 2nd Embodiment. The top view showing the blank of the packaging container of a 2nd embodiment. FIG. 3 is an enlarged view showing first to fourth tabs in FIG. 2 and the periphery thereof. The enlarged view which shows the scale line of FIG. 2, and its periphery.

  Hereinafter, a package, a packaged food, and the like according to an embodiment of the present invention will be described with reference to the drawings. The same reference numerals are given to the same or corresponding parts in each of the embodiments and the specific examples, and the repeated description is omitted as appropriate.

  FIG. 1 is a front view of a packaged food 301 including a packaging container 201 according to the first embodiment, and FIG. 2 is a plan view of a blank (packaging material) 101 constituting the packaging container 201. FIG. 3 is a front view of a packaged food 302 including the packaging container 202 according to the second embodiment, and FIG. 4 is a plan view of a blank (packaging material) 102 constituting the packaging container 202. is there.

  These packaging containers 201 and 202 (FIGS. 1 and 3) have fan-shaped blanks 101 and 102 (FIGS. 2 and 4) wound in a conical shape, with one side end 25 on the other side end. This is a conical packaging container in which the peripheral wall 10 forming the conical peripheral surface is formed by bonding the portions 24 together. The lamination of the blanks 101 and 102 is performed by applying a hot melt adhesive to the side end 25 and winding the blanks 101 and 102 in a conical shape so that the side end 24 is positioned thereon. To the side end 25. The blanks 101 and 102 with the side ends 24 and 25 bonded together are stored and transported in a state where a plurality of blanks 101 and 102 are stacked as conical packaging containers 201 and 202 with the conical bottom surface 12 side opened.

  Each of the packaging containers 201 and 202 can store therein a conical food F (ice cream, chocolate confectionery, or the like) as a content. In other words, in a state where the food F is stored from the openings of the packaging containers 201 and 202, the container upper portion 21 is radially squeezed from four directions and sealed in a cross shape, so that the inside of the packaging containers 201 and 202 is formed. The packaged foods 301 and 302 are hermetically packaged with the food F stored therein. Sealing of the container upper part 21 is performed by heat sealing with a heat-adhesive resin layer (sealant layer) located on the innermost side of the packaging containers 201 and 202 in the laminated structure forming the blanks 101 and 102. In addition, the minute hole formed at the conical apex 11 of the container lower part 23 is closed as needed by the heat sealing of the thermoadhesive resin layer similarly to the opening of the container upper part 21.

  First to fourth tabs T1 to T4 serving as starting points for tearing a part of the peripheral wall 10 into a strip shape are formed at the side end portion 24 located on the upper side in bonding the blanks 101 and 102. The shapes of the first to fourth tabs T1 to T4 are formed by punching the blanks 101 and 102 from the sheet material together with the fan shape which is the outer shape of the blanks 101 and 102.

  Further, spiral break lines L1 and L2 extending from the conical vertex 11 side to the conical bottom surface 12 side around the conical vertex 11 pass through the conical vertex 11 side end and the conical bottom surface 12 side end of all the tabs T1 to T4. Thus, the peripheral wall 10 is formed in a half-cut state so as to guide a strip-like tear in the tear portion 22. In other words, the spiral break lines L1 and L2 centered on the conical vertex 11 are formed in the peripheral wall 10 in a half-cut state, and one helical shape that continuously goes from the conical vertex 11 side to the conical bottom surface 12 side in order. The first to fourth tabs T1 to T4 are formed between the spiral paths at the side end portions 24. Note that the break lines L1 and L2 are formed in a U-shape or a three-row oblique perforation, and the details thereof will be described later.

  A break line L2 extending from both ends of the fourth tab T4 closest to the conical bottom surface 12 has an end point P1 at a position around the peripheral wall 10 once. The tearing of the peripheral wall 10 from the first tab T1 closest to the conical vertex 11 to the end point P1 is continuously guided by the breaking lines L1 and L2 even at the bonded side end portions 24 and 25, and any of the tabs T1 to T4. The container is opened when it reaches the end point P1 even when the container is torn.

  The blanks 101 and 102 have a laminated structure including a base material layer, a paper layer, and a barrier layer from the outside to the inside of the packaging containers 201 and 202. The half-cut state of the break lines L1 and L2 described above is formed by cutting from the base material layer to the paper layer in the laminated structure. A scale line L3 is also formed on the lower side end 25 bonded to the side end 24 (FIGS. 2 and 4) in the same half cut state as the break lines L1 and L2. That is, a scale pattern in a half-cut state formed by cutting from the base material layer to the paper layer in the laminated structure is formed on the side end portions 25 of the blanks 101 and 102. These break lines L1, L2 and scale line L3 are formed by pressing with a roll having a fine cutting edge.

  The base material layer is a basic material constituting the blanks 101 and 102. In manufacturing the packaging containers 201 and 202, various kinds of processing workability, heat resistance, slipperiness, pinhole resistance, water vapor barrier property, gas barrier property, and the like are used. It is preferable that they have excellent physical properties. Specific examples of the base material layer include a single film such as a uniaxial or biaxially stretched nylon film, a uniaxial or biaxially stretched polypropylene (OPP) film, a uniaxial or biaxially stretched polyester film, or a part of them. Including a laminated film. Among them, a polyester film such as a polyethylene terephthalate (PET) film and a polybutylene terephthalate (PBT) film is preferable. The thickness of the substrate layer is preferably about 3 to 50 μm, more preferably about 9 to 30 μm.

  The paper layer is a basic material constituting the blanks 101 and 102, similarly to the base material layer, and specific examples of the paper layer include art paper and coated paper.

  The barrier layer imparts a high water vapor barrier property and a high gas barrier property to the packaging containers 201 and 202 when the food F enclosed as the content is easily deteriorated by moisture or oxygen. Examples of the barrier layer include a metal foil such as an aluminum foil, an evaporated film made of a metal such as aluminum, and an evaporated film made of a metal oxide such as alumina and silica. Further, a deposited film made of a mixture of two or more metals or metal oxides may be used. The thickness of the barrier layer is preferably 5 to 30 μm when the barrier layer is a metal foil such as an aluminum foil, and is preferably about 50 to 2000 ° when the barrier layer is a vapor-deposited film, and more preferably about 100 to 1000 °. preferable.

  Specific examples of the heat-adhesive resin layer include a non-stretched polyethylene (PE) film and a non-stretched polypropylene (CPP) film. The thickness of the heat-adhesive resin layer is preferably about 10 to 100 μm, and more preferably about 15 to 50 μm, in consideration of heat sealing properties and the like.

  Since the break lines L1 and L2 are formed on the peripheral wall 10 in a half-cut state, tearing along the break lines L1 and L2 can be easily performed. Further, since the scale line L3 is formed in a half-cut state on the peripheral wall 10, the bonding strength of the side ends 24 and 25 by the hot melt adhesive is set to the positions of the first to fourth tabs T1 to T4. The size can be set according to the size. In addition, since the food F inside the container is shielded from the outside of the container in any of the breaking lines L1, L2 and the scale line L3, it is preferable for hygiene and the risk of inadvertent breaking is low.

  As described above, the break lines L1 and L2 form a spiral from the conical vertex 11 side to the conical bottom surface 12 side with the conical vertex 11 as a center, and the end of all the tabs T1 to T4 on the conical vertex 11 side. It is formed so as to guide a continuous strip-shaped tear through the end of the conical bottom surface 12. Therefore, even when the peripheral wall 10 is torn from any of the first to fourth tabs T1 to T4, the peripheral wall 10 is continuously and continuously removed from the tab position to the end point P1, and one strip-like tearing piece is generated. I do.

  The break line L1 is formed from both ends of the first tab T1 closest to the conical vertex 11 to the end of the second tab T2 by making one round around the peripheral wall 10. That is, the break line L1 makes one round of the peripheral wall 10 from the end of the first tab T1 on the side of the conical vertex 11 to the end of the first tab T1 on the side of the conical bottom 12 (i.e., the end of the second tab T2 on the side of the conical vertex 11). It is formed from the end of the first tab T1 on the side of the conical bottom surface 12 to the end of the second tab T2 on the side of the conical bottom surface 12 (that is, the end of the third tab T3 on the side of the conical vertex 11) until the peripheral wall 10 makes one round. .

  The break line L2 is formed on the second and subsequent turns after the break line L1 makes one turn around the peripheral wall 10 from both ends of the first tab T1. That is, the break line L2 extends from the end on the conical vertex 11 side of the third tab T3 (ie, the end on the conical bottom surface 12 of the second tab T2) to the end on the conical bottom surface 12 of the third tab T3 (ie, the end of the fourth tab T4). One round of the peripheral wall 10 to the conical vertex 11 side end), one round of the peripheral wall 10 from the conical bottom 12 side end of the third tab T3 to the conical bottom 12 side end of the fourth tab T4, and further to the vicinity of the end point P1. It is formed during one round of 10.

  In the first and second embodiments, a two-way opening is assumed in which the lower wall is opened by tearing the peripheral wall 10 from the first tab T1 and the upper wall is opened by tearing the peripheral wall 10 from the fourth tab T4. . However, tearing of the peripheral wall 10 from the second tab T2 or the third tab T3 is also possible, and the peripheral wall 10 is continuously removed from the tab position that is the starting point of the tearing to the end point P1, and the container is opened. That is, due to the tearing from the fourth tab T4 on the side of the conical bottom surface 12 to the end point P1, a part of the peripheral wall 10 is removed in a band shape for one turn, and the container is opened, and the tearing from the third tab T3 to the end point P1 occurs. Then, a part of the peripheral wall 10 is removed in the form of two turns and the container is opened, and by tearing from the second tab T2 to the end point P1, a part of the peripheral wall 10 is removed in the form of three turns and the container is opened. By tearing from the first tab T1 closest to the conical apex 11 to the end point P1, a part of the peripheral wall 10 is removed in a band shape for four turns, and the container is opened. If the width of the stripping strip (spiral interval between the breaking lines L1 and L2) is set to 15 mm, the width of the breaking line L2 is set to ± 2 mm, and the container lower part 23 having the size of a child is assumed, Like the second embodiment, the number of times of separation from the first tab T1 to the end point P1 is preferably 4 turns.

  When performing upward opening, the peripheral wall 10 is torn along the breaking line L2 with the fourth tab T4. When the tear reaches the end point P1, a part of the peripheral wall 10 is removed in a band shape for one round, and the container upper part 21 is in a removable state. In the first embodiment, the container upper part 21 is detached from the tear part 22 by breaking at the half cut line C5 (FIG. 2). In the second embodiment, since the break lines L2 extending from both ends of the fourth tab T4 join at the end point P1, the container upper portion 21 is torn by the tearing of the remaining bonded portions of the side ends 24, 25. It is removed from the part 22.

  When the upper part 21 of the container is removed by opening the upper part, the upper part of the food F is exposed from the tear part 22 opened in an elliptical shape, so that the food F can be eaten. When the food F is exposed and the amount of the food F exposed decreases, the peripheral wall 10 is torn off from the third tab T3 to remove a part of the peripheral wall 10 in a band shape. Similarly, tearing of the peripheral wall 10 from the second tab T2 and tearing of the peripheral wall 10 from the first tab T1 are performed. In other words, the food F can be exposed by removing a part of the peripheral wall 10 one band at a time in the order of the fourth tab T4, the third tab T3, the second tab T2, and the first tab T1. is there.

  The end point P1 of the break line L2 is preferably located closer to the conical vertex 11 than the end of the food F on the conical bottom surface 12 side. Although the upper part of the food F is exposed by opening upward, for example, if the end point P1 of the break line L2 is located between 1/3 and 1/2 of the upper part of the food F, the break line L2 is impacted during transportation. In this case, damage to the container can be prevented. Although the break lines L1 and L2 are formed in a half-cut state, they are weak against impact. However, if the food F is present at the positions of the break lines L1 and L2, the received shock is absorbed by the food F and damaged. Is suppressed. However, since the container lower part 23 has a height assumed to be held by a child, if the position of the end point P1 is too low, the upper part of the food F becomes difficult to fall out of the container upper part 21. For this reason, the position of the end point P1 of the break line L2 is preferably within the range of 1/3 to 1/2 of the upper portion of the food F from the upper end thereof.

  When performing downward opening, the peripheral wall 10 is torn along the breaking line L1 with the first tab T1. When the tear reaches the second tab T2, a part of the peripheral wall 10 is removed in a band shape, and the tear part 22 and the container upper part 21 are separated from the lower part 23 of the container, so that they can move independently. . Since the container lower portion 23 is held by one hand, if the tearing of the second and subsequent turns is continued along the break line L2 while holding the first tab T1 with the other hand, the peripheral wall 10 is stripped. The tearing part 22 and the container upper part 21 rotate as it goes. Since the food F inside receives the friction from the tearing portion 22 and the upper part 21 of the container, the food F also rotates like turning the top with a string. Then, when the tear reaches the end point P1, the container upper part 21 is in a removable state, similarly to the upward opening. Thus, according to the downward opening, a large area other than the container lower part 23 can be removed at a time.

  According to the first and second embodiments, the tearing of the peripheral wall 10 from the first tab T1 closest to the conical apex 11 to the end point P1 causes the tear lines L1, L2 even at the bonded side end portions 24, 25. , And the container is opened when it reaches the end point P1 in tearing from any of the tabs T1 to T4. Therefore, four types of opening corresponding to the number of tabs T1 to T4 are possible. Moreover, as the tabs T1 to T4 serving as the starting points of the tearing are closer to the conical apex 11, a part of the peripheral wall 10 is torn spirally longer, and a feeling like peeling an apple is obtained.

  For example, according to the tearing of the peripheral wall 10 from the fourth tab T4 closest to the conical bottom surface 12 to the end point P1, it is possible to easily open the container in a short time around the peripheral wall 10 while the most conical apex 11 According to the tearing of the peripheral wall 10 from the first tab T1 on the side to the end point P1, it is possible to open an interesting container in which a long tearing piece is formed around the peripheral wall 10 four times. That is, the conical packaging containers 201 and 202 and the packaged foods 301 and 302 that can be opened with elaborate taste can be realized.

  FIG. 5 shows the first to fourth tabs T1 to T4 and the periphery thereof in an enlarged manner, and FIG. 6 shows the scale line L3 and the periphery thereof in an enlarged manner. In order to easily and cleanly perform the above-described upper opening and lower opening, various breaks described below are applied to the break lines L1, L2, the scale lines L3, and the like. Although FIGS. 5 and 6 show the main part of the blank 101 constituting the first embodiment, the operation is the same in the second embodiment.

  As shown in FIG. 5, the packaging containers 201 and 202 are half-cut lines formed of three parallel lines as break lines L <b> 1 from both ends of the first tab T <b> 1 on the side of the conical apex 11 to the end of the peripheral wall 10. C1a, a Y-shaped half-cut line C2, and a cross-shaped perforated half-cut line C3. Further, as shown in FIG. 5, a half-cut line C1b composed of three parallel lines and a half-cut line C4 composed of three rows of oblique perforations are provided as break lines L2 for guiding the second and subsequent rounds. And In the first embodiment (FIGS. 1 and 2), a half-cut line C5 (FIGS. 2 and 6) composed of perforations is formed to assist cutting near the end point P1. In the second embodiment (FIGS. 3 and 4), in order to assist cutting near the end point P1, the breaking lines L2 extending from both ends of the fourth tab T4 closest to the conical bottom surface 12 are joined at the end point P1. Is formed.

  As shown in FIG. 5, on both sides of the first to fourth tabs T1 to T4, an asymmetric home base type notch N1 is formed to correspond to the width of the break lines L1 and L2. Since the break lines L1 and L2 form a spiral from the conical vertex 11 side to the conical bottom surface 12 side with the conical vertex 11 as the center, the notch N1 is the half-cut line C1a or C1b. Is inclined toward the bottom surface 12 of the cone so as to guide the break toward the center of the cone.

  The half-cut lines C1a and C2 are cuts formed in a half-cut state in order to smoothly perform initial opening, and the half-cut lines C1b are cuts formed in a half-cut state to cope with misalignment. For example, in the processing in which the blanks 101 and 102 are rounded into a conical shape and bonded together, if there is a misalignment in the overlapping of the side ends 24 and 25, the misalignment is likely to occur in the break position of the peripheral wall 10. In the break line L2, such a deviation can be dealt with by the half cut line C1b. Further, when opening along the breaking line L2, since the tear part 22 and the container upper part 21 are separated from the container lower part 23, the half cut line C1b and the three rows of oblique lines are cut. The half-cut line C4 is provided. In the half-cut line C4, upper and lower rows are formed with a width of ± 2 mm from the center row to correspond to the notch N1 having a width of 4 mm, for example, in order to allow a shift width while preventing the band from being broken.

  The half-cut line C4 composed of three rows of diagonal perforations is suitable for faster tearing as compared with the half-cut line C3 composed of cross-shaped perforations, but the number of blades used for manufacturing processing is large. As a result, the required pressure increases and product management and product stability tend to be difficult. On the other hand, the half-cut line C3 formed by a cross-shaped perforation has higher strength against impact than the half-cut line C4 formed by a diagonal perforation in three rows, and during transportation, Although the container can be prevented from being damaged even in the case of receiving an impact, it is likely that the break position of the peripheral wall 10 is shifted. In consideration of the features of the half-cut lines C3 and C4, the break lines L1 and L2 may be all formed of three rows of oblique perforations. May be configured. However, in the first and second embodiments, it is assumed that the tearing along the breaking line L2 is performed faster than the tearing along the breaking line L1. The half cut line C3 is used for the line L1, and the half cut line C4 is used for the break line L2.

  For example, when the peripheral wall 10 is torn in a strip shape with the first tab T1, even if the tearing of the peripheral wall 10 is guided by any of the three half-cut lines C1a, the rupture is caused by the Y-shaped half-cut line C2. The half-cut line C3 is received and guided to the half-cut line C3, and the deviation of the breakage toward the conical vertex 11 is corrected by the half-cut line C3 having a U-shape. The same applies to the case where the peripheral wall 10 is torn in a strip shape by holding any of the second to fourth tabs T2 to T4, and even if the tearing of the peripheral wall 10 is guided by any of the three half-cut lines C1b, The break is corrected by three lines of oblique half-cut lines C4. Therefore, even if the peripheral wall 10 is torn from any of the first to fourth tabs T1 to T4, the notch N1 and the half-cut lines C1a, C1b, C2 are so arranged that the peripheral wall 10 is torn along the break lines L1, L2. , C3, C4, the displacement of the break is prevented.

  As shown in FIG. 6, a scale line L3 is formed on the side end 25. Since the scale line L3 is formed on the peripheral wall 10 in a half-cut state, as the formation area of the scale line L3 increases, the strength of bonding the side ends 24 and 25 with the hot melt adhesive decreases. In the first and second embodiments, as described above, the two-way opening of the lower opening by tearing the peripheral wall 10 from the first tab T1 and the upper opening by tearing the peripheral wall 10 from the fourth tab T4. Is assumed. For this reason, by providing many scale lines L3 in the bonded portion of the side ends 24 and 25 where the first and fourth tabs T1 and T4 are located, separation occurs in the paper layer from the tip of the scale line L3. Easy to use. As a result, the bonding strength (initial opening strength) of the side ends 24 and 25 is weakened, so that the peripheral wall 10 can be easily torn from the first and fourth tabs T1 and T4. On the other hand, by providing an adjustment space S3 between the scale lines L3 in the bonding portion of the side ends 24 and 25 where the second and third tabs T2 and T3 are located, the bonding of the side ends 24 and 25 is performed. Of the peripheral wall 10 from the first tab T1 to the end point P1 is prevented from being interrupted at the positions of the second and third tabs T2 and T3.

  As can be seen from the above description, the above-described embodiment includes the following characteristic configurations (# 1) to (# 9).

(# 1): A conical packaging container in which a packaging material is wound in a conical shape, and a peripheral wall forming a conical peripheral surface is formed by laminating one side end on the other side end. And
A spiral break line centered on the conical vertex is formed in a half-cut state on the peripheral wall, forming one spiral path from the conical vertex side to the conical bottom side,
At least two tabs serving as starting points for tearing a part of the peripheral wall into a strip shape are formed between the spiral paths at the upper side end,
A breaking line extending from both ends of the tab on the side of the bottom of the most cone has an end point at a position at least one round of the peripheral wall,
The tearing of the peripheral wall from the tab on the side of the apex of the most cone to the end point is continuously guided by the breaking line even at the bonded side end, and when the tearing from any tab reaches the end point, the container is opened. A packaging container which is opened.

  (# 2): Due to the tear from the tab on the bottom side of the cone to the end point, a part of the peripheral wall is removed in a band shape and the container is opened, and the tear from the tab on the side of the top of the cone to the end point. The packaging container according to (# 1), wherein a part of the peripheral wall is removed in a strip shape at least for two rounds, so that the container is opened.

  (# 3): The tab has four tabs, and a part of the peripheral wall is removed in the form of a single band by tearing from the tab on the bottom side of the cone to the end point, so that the container is opened, and the top side of the cone is located at the top of the cone. The packaging container according to (# 1), wherein a part of the peripheral wall is removed in a band shape for four rounds by tearing from the tab to the end point to open the container.

  (# 4): The packaging material has a laminated structure including a base material layer, a paper layer, and a barrier layer from the outside to the inside of the packaging container, and the half cut state of the breaking line is The packaging container according to any one of (# 1) to (# 3), which is formed by cutting from the base material layer to the paper layer.

  (# 5): A scale pattern in a half-cut state formed by cutting from the base material layer to the paper layer is formed at a lower side end portion to be bonded, (# 4). Packaging containers.

  (# 6): As a breaking line from both ends of the tab on the side of the most conical apex to the circumference of the peripheral wall, a notch made of a U-shaped perforation is provided. The cut line consisting of three rows of oblique lines is provided as a break line for the second and subsequent rounds after one round of the peripheral wall, and is described in any one of (# 1) to (# 5). Packaging container.

  (# 7): The packaging container according to any one of (# 1) to (# 6), wherein breaking lines extending from both ends of the tab closest to the conical bottom face merge at the end point.

  (# 8): A packaged food product which is hermetically packaged in a state where the food product is contained in the packaging container according to any one of (# 1) to (# 7).

  (# 9): The packaged food according to (# 8), wherein the end point of the breaking line is located closer to the apex of the cone than the end of the food on the side of the bottom of the cone.

DESCRIPTION OF SYMBOLS 10 Peripheral wall 11 Conical vertex 12 Conical bottom surface 21 Container upper part 22 Tearing part 23 Container lower part 24 Upper side end 25 Lower side end T1 1st tab T2 2nd tab T3 3rd tab T4 4th tab L1, L2 Break Line L3 Scale line S3 Adjustment space P1 End point N1 Notch C1a, C1b, C2, C3, C4, C5 Half cut line (cut)
101,102 Blank (packaging material)
201, 202 Packaging container 301, 302 Packaged food F Food (contents)

Claims (9)

A conical packaging container in which a peripheral wall forming a conical peripheral surface is formed by wrapping the packaging material in a conical shape and bonding the other side end on one side end,
At least two tabs serving as starting points for tearing a part of the peripheral wall in a strip shape are formed at the upper side end,
The peripheral wall is formed such that a spiral break line from the cone apex side to the cone bottom side around the cone apex guides the strip-shaped tear through the cone apex side end and the cone bottom side end of all the tabs. Is formed in a half-cut state,
A breaking line extending from both ends of the tab on the side of the bottom of the most cone has an end point at a position at least one round of the peripheral wall,
The tearing of the peripheral wall from the tab on the side of the apex of the most cone to the end point is continuously guided by the breaking line even at the bonded side end, and when the tearing from any tab reaches the end point, the container is opened. A packaging container which is opened.   By tearing from the tab on the most conical bottom side to the end point, a part of the peripheral wall is removed in a band shape and the container is opened, and by tearing from the tab on the most conical apex side to the end point, the peripheral wall is cut off. 2. The packaging container according to claim 1, wherein a part of the packaging container is removed in at least two rounds so that the container is opened.   By having the four tabs, by tearing from the tab on the side of the bottom of the cone to the end point, a part of the peripheral wall is removed in a band shape and the container is opened. 2. The packaging container according to claim 1, wherein a part of the peripheral wall is removed in a band shape for four rounds by the tearing until the container is opened.   The packaging material has a laminated structure including a base layer, a paper layer, and a barrier layer from the outside to the inside of the packaging container, and the half-cut state of the breaking line is from the base layer. The packaging container according to any one of claims 1 to 3, wherein the packaging container is formed by cutting up to a paper layer.   The packaging container according to claim 4, wherein a scale pattern in a half-cut state is formed at a lower side end portion to be bonded by cutting from the base material layer to the paper layer.   As a breaking line from both ends of the tab on the side of the most conical vertex to the circumference of the peripheral wall, a notch consisting of a U-shaped perforation was formed, and the peripheral wall was circled from both ends of the tab on the side of the most conical vertex. The packaging container according to any one of claims 1 to 5, wherein a cut formed by three rows of oblique perforations is provided as a break line in the second and subsequent rounds thereafter.   The packaging container according to any one of claims 1 to 6, wherein breaking lines extending from both ends of the tab closest to the conical bottom surface meet at the end point.   A packaged food product, wherein the packaged food product is hermetically packaged in a state where the food product is contained in the packaging container according to any one of claims 1 to 7.   9. The packaged food according to claim 8, wherein the end point of the break line is located closer to the apex of the cone than the end of the food on the bottom side of the cone.

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