JP2016108034A - Packaging bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging bag comprising two or more covering object storage chambers in which covering object storage chambers may be easily superposed on each other, there is no fear of opening from the covering object storage chambers or a partition seal part for separating the covering object storage chambers, in addition the packaging bag is simply torn up to be opened without no pollution on hand and fingers.SOLUTION: There is provided a packaging bag 1 in which laminated films comprising at least base film layer and sealant layer are superposed inside out in a manner where the sealant layer is mutually opposing to it, and outer peripheral parts are fused each other. The packaging bag 1 comprises two or more covering object storage chambers 3 defined by a partition seal part 2. The partition seal part comprises easy folding part 4 flexible rather than the partition seal part successively or intermittently extending in a longitudinal direction on the center part of it in a width direction.SELECTED DRAWING: Figure 1

Description

  The present invention includes two or more packaged article storage chambers for storing and holding packaged articles such as foods, drinks, cosmetics, and pharmaceuticals that are liquid, viscous, powdery, granular, granular, or combinations thereof. It relates to a packaging bag having.

  Conventionally, as a packaging bag for storing two kinds of liquid or viscous packaging materials such as jam and margarine, ketchup and mustard, soy sauce and chili oil, etc. A packaging bag in which a vertical seal portion is provided at the center in the width direction of the packaging bag and is divided into two packaged article storage units, and two types of packaged articles can be separately stored in the storage unit. Is disclosed.

  In use, the packaging bag disclosed in Patent Document 1 is folded in two from the center position of the vertical seal portion, and simultaneously presses the packaging object storage unit with a finger while the two packaging object storage units are overlapped. By doing so, the packaged items are poured out. In this packaging bag, in order to facilitate the folding from the vertical seal portion, a central groove in the width direction of the central vertical seal portion is irradiated with a laser to form a continuous groove or perforated line on the base film. Folding creases are provided by providing intermittently extending grooves or punch holes extending intermittently in a perforation using a press.

JP-A-2005-112451

  As described above, in the packaging bag of Patent Document 1, a groove or a punch hole is provided in the central portion in the width direction of the central vertical seal portion, and the groove or the like is accurately formed on the central vertical seal portion. This is very time-consuming and reduces the strength of the part where the grooves are formed. When this packaging bag is manufactured using, for example, an automatic filling and packaging machine, the laminated film is sealed while running. When caught on a roll or the like, there is a problem that breakage is likely to occur from a portion such as the groove.

  Moreover, in patent document 1, in order to open a packaging bag, at least 1 tearing guide rod is each packaged object storage part on the base film layer of the laminated | multilayer film which comprises a packaging bag, a center vertical seal | sticker part, and a horizontal It is provided so as to cover the seal portion. In this way, when the tear guide bag is provided up to the package storage part, the package storage part breaks from the tear guide bag part due to unexpected pressing during handling such as packing and transportation, and the package Could leak out.

  Therefore, in the present invention, in a packaging bag having two or more packaged article storage chambers, it is easy to superimpose the packaged article storage chambers and partition the packaged article storage chambers and the packaged article storage chambers. Another object of the present invention is to provide a packaging bag that can be easily opened without tearing the bag from the partition seal portion and that can easily tear and open the packaging bag without contaminating fingers.

  As a result of research and development to solve the above problems, the inventors have developed the following invention. That is, the present invention is a packaging bag in which a laminated film comprising at least a base film layer and a sealant layer is superposed on the front and back so that the sealant layers face each other, and the outer peripheral edges are fused and joined together. The packaging bag has two or more packaged article storage chambers defined by a partition seal portion, and the partition seal portion is continuous or discontinuous in the length direction at the center portion in the width direction. It is a packaging bag characterized by having an easily bendable part that is more flexible than the partition seal part that extends.

In addition, about the packaging bag of this invention, it becomes a more preferable solution means to further comprise the following structures. That is,
(1) The easy-bending part is composed of a non-seal part, a line seal part or a point seal part,
(2) The easily bent portion is formed from the upper end edge to the lower end edge of the packaging bag,
(3) The width of the easily bent portion is at least 0.5 mm.
(4) The width of the part located on both sides of the easy-bend portion of the partition seal portion is at least 0.5 mm,
(5) having at least one unsealing bottle on the partition seal portion;
(6) The unsealing bottle is made up of an I notch, a U notch, a V notch or a number of scars,
(7) having at least one unsealing bag on the outer peripheral edge of the packaging bag;
It is.

  According to the present invention, it is more flexible than the partition seal portion so as to extend in the longitudinal direction at the center portion in the width direction of the partition seal portion for defining the packaging bag into a plurality of packaged article storage chambers. By providing a simple folding part, the packaging bag can be folded around the easy folding part, and the two package storage chambers can be easily overlapped, and the folding position is maintained. The effect that it can be expected.

  Further, when the easily bent portion is a non-seal portion, a line seal portion, or a point seal portion, it is not necessary to provide a groove for attaching a bending fold as in the conventional case, so that the package is stored. The strength of the partition seal portion for defining the chamber is not lowered, and the partition seal portion is not broken.

In addition, when the width of the easily bent portion is at least 0.5 mm, preferably 1.0 mm or more, more preferably 1.0 to 4.0 mm, the above effect can be more effectively exhibited. If it is less than 0.5 mm, the width of the easy-bending part is narrow, so even if the packaging bag is folded in two with the easy-bending part as a boundary, the bent part is restored to its original shape (flat posture) by the springback. There is a risk of returning.
On the other hand, if the portions of the partition seal portion located on both sides of the easy-bending portion are too narrow, there is a risk that the package will break and the packaged item may leak out of the packaged item storage unit. 0.5 mm, preferably 2.0 mm or more, and more preferably 3.5 to 7.0 mm.

  Further, in the packaging bag of the present invention, since at least one unsealing bag is provided on the partition seal portion, two adjacent packages to be packaged that are partitioned by the partition seal portion starting from the unsealing rod are stored. The parts can be easily opened at the same time by tearing with fingers. In particular, according to the present invention, since the unsealing bag is provided on the partition seal portion that partitions the packaging bag in the width direction, for example, even when the packaging bag is filled and packaged using an automatic filling and packaging machine, There is a low risk of being erroneously opened by being caught on a device such as a heat seal roll.

  The unsealing bag is an I-notch, U-notch, V-notch, or a large number of scars made of dots or lines, and various conditions such as the type of package, the size of the packaging bag, and the opening. It is preferable to provide them in combination with each other, or a combination of one or more types of unsealing bags may be provided.

  In particular, an unsealing bag composed of a U-notch or a V-notch is suitable for tearing and opening two packaged article storage portions toward the upper end of the packaging bag at the same time. An opening can be formed at the corner of the package storage unit, and the opening can be adjusted to be narrow or wide by changing the formation position of the unsealing bag.

  Further, in the case where the unsealing trough is provided on an easily bent portion composed of a non-seal portion or the like, not only on the easily bent portion, but also on portions of the partition seal portion located on both sides of the easily bent portion. It is preferable to form all the way, and according to this, it is possible to tear the partition seal part and the packaged article storage part easily and reliably by a small tearing force with fingers, and to open the packaging bag. In particular, both ends of the unsealing bowl are located in the range of 0 to 4 mm, preferably 0 to 2 mm, of the part of the partition seal part located on both sides of the side edge of the easy-bend part, It is preferable to form so that it exists in the position of 1 mm or more from the side edge of a thing storage part.

It is a front view which shows one Embodiment of the packaging bag of this invention. It is a front view which shows other embodiment of the packaging bag of this invention. It is a perspective view which shows the state which folded the packaging bag of this invention into two by making an easy bend part into a boundary. It is a front view which shows other embodiment of the packaging bag of this invention. It is a front view which shows other embodiment of the packaging bag of this invention. It is a perspective view which shows the usage condition of the packaging bag of this invention.

Embodiments of the present invention will be described below based on the drawings.
As shown in one embodiment of FIG. 1, the packaging bag according to the present invention includes two packages to be packaged defined by a partition seal portion 2 provided at the center in the width direction (left-right direction in the figure) of the packaging bag 1. An object storage unit 3 is provided. The packaging bag 1 is composed of a laminated film including at least a base film layer and a sealant layer. For example, when the packaging bag 1 is formed by a filling and packaging machine, the long laminated film is arranged so that the sealant layers face each other. After half-folding from the center in the width direction, both sides are vertically sealed to form a vertical seal portion 5, and at the same time, the center portion is vertically sealed to form a partition seal portion 2. By forming one cylindrical part, and also filling each cylindrical part with an article to be packaged, and horizontally sealing up and down at regular intervals to form the lateral seal part 8 (8a, 8b) .
In addition, the packaging bag 1 may be a three-sided sealing type packaging bag having a folded side in addition to the four-sided sealing type as shown in FIG.

  This packaging bag 1 is characterized in that it has an easily bent portion 4 extending in the length direction of the partition seal portion 2 at the center in the width direction of the partition seal portion 2. In addition, the code | symbol 2a shows the part (henceforth "the partition seal | sticker part 2a") located in the both sides of the easy bending part 4 of the partition seal | sticker part 2. FIG. The easy-bending portion 4 has a structure that is more flexible than the partition seal portion 2, and is, for example, a strip-shaped non-sealed portion 4 a provided with a certain width as shown in FIG. 1 or the non-sealed portion shown in FIG. 4a and the line seal portion 4b, a combination of the non-seal portion 4a and the point seal portion 4c in FIG. 2B, and the like.

  Further, the easily bent portion 4 is provided with a constant width in the length direction of the partition seal portion 2 as shown in FIG. 1, and is gradually provided with a narrow or wide width from the upper end to the lower end of the partition seal portion 2, Provided only at the upper part, middle part or lower part of the partition seal part 2, or, for example, as shown in FIG. 2 (c), the non-seal part 4a is provided discontinuously with a certain interval, etc. be able to.

  In addition, when the easy-folding part 4 forms the partition seal part 2 in the center part of the laminated | multilayer film half-folded as mentioned above with a pair of vertical seal roll, for example, at least one vertical seal of a pair of vertical seal roll It can be formed by providing a concave portion at a required position in the central portion in the width direction of the roll to prevent fusion between the laminated films.

  In this way, if the easily bent portion 4 is formed at the center in the width direction of the partition seal portion 2 of the packaging bag 1, the easily bent portion 4 is more flexible and less rigid than the partition seal portion 2. As shown in FIG. 3, the packaging bag 1 can be easily folded into two with the easy folding portion 4 as a boundary, and the packaging bag 1 can be folded by a springback without returning to a flat posture. Therefore, the folding posture can be maintained without applying pressure.

  In addition, when the easy bending part 4 is formed over the full length from the upper end edge of a packaging bag 1 to a lower end edge, for example, as shown to Fig.2 (a) and (b), the upper end of the easy bending part 4 is shown. The lower end and the lower end are not subjected to resistance by the rigid side seal portions 8a and 8b, and the packaging bag 1 can be folded more easily with the easy folding portion 4 as a boundary, and the folded posture is maintained. be able to.

  The packaging bag 1 of FIGS. 1 and 2 is divided into two packaged article storage portions 3 by a partition seal portion 2 provided near the center in the width direction, but is not limited thereto. For example, according to the type and application of the package, the partition seal portion 2 is provided at a position close to the vertical seal portion 5 side of the packaging bag 1 as shown in FIG. 3 may be changed, and as shown in FIG. 5, a plurality (three in the figure) of partition seal portions 2 are provided in the width direction of the packaging bag 1, and a plurality of packaged article storage portions 3 are provided. In any case, the same effect can be expected.

As shown in FIG. 1, the width d of the easily bent portion 4 is at least 0.5 mm, preferably 1.0 mm or more, and more preferably 1.0 to 4.0 mm. This is because when the width d of the easy folding part 4 is less than 0.5 mm, the partition seal portions on both sides of the easy folding part 4 even if the packaging bag 1 is folded with the easy folding part 4 as a boundary. This is because the spring back by 2a works greatly and the folded posture cannot be maintained.
On the other hand, if the width d of the easily bent portion 4 is too large with respect to the seal width D of the partition seal portion 2, the partition seal portion 2a becomes narrow and breakage or liquid leakage occurs, or two items to be packaged. There is a possibility that the storage chamber 3 communicates. For this reason, as for the easy bending part 4, the width | variety of the part 2a located in the both sides of the easy bending part 4 of the partition seal | sticker part 2 is each at least 0.5 mm, Preferably it is 2.0 mm or more, More preferably, it is 3. It is preferable to form so as to be 5 to 7.0 mm.

  In the opening of the packaging bag 1, at least one opening is provided on the partition seal portion 2 in order to enable simultaneous tearing opening of the two packaged article storage chambers 3 adjacent via the partition seal portion 2. It is preferable to provide the ridge 6. The unsealing bag 6 is made up of an I notch, U notch, V notch, or a large number of dotted or linear scars, etc., which can be used for various conditions such as the type of package, the size of the packaging bag, and the opening width. Provide them together.

  In particular, when the unsealing bag 6 is a U-notch and a V-notch, as shown in FIG. 3, the packaging bag 1 is folded and the two packaged article storage chambers 3 are overlapped. As shown by arrows in FIG. 6, the partition seal portion 2 of the packaging bag 1 is pulled up toward the upper lateral seal portion 8a and the folded portion of the packaging bag 1 is torn so that two packages A narrow opening 7 can be formed at each corner of the article storage chamber 3. According to this, as shown in FIG. 6, the packaging bag 1 is folded in two with the easy-folding portion 4 as a boundary, and the two package storage chambers 3 are pressed with fingers, and the package Can be simultaneously poured out from the openings 7 of the respective packaged article storage chambers 3.

  In addition, since the opening width of the opening 7 varies depending on the formation position of the U notch and the V notch, it is preferable to appropriately determine the formation position of the unsealing bag 6 in accordance with the type and application of the packaged object. The bag 6 may be provided in advance, and the opened bag 6 may be selected in accordance with the user's preference and application.

  Thus, when the opening bag 6 is provided on the partition seal part 2 which divides the packaging bag 1 in the width direction, for example, when the packaging bag 1 is filled and packaged using an automatic filling and packaging machine, the opening bag 6 However, there is a low risk of being accidentally opened by being caught on a device such as a heat seal roll.

  Moreover, when providing the unsealing trough 6 on the easy bending part 4, it is preferable to form not only the easy bending part 4, but the partition seal part 2a located in the both sides. At this time, when both ends of the opening trough 6 are formed so as to be located in the range of 0 to 4 mm, preferably in the range of 0 to 2 mm, on the partition seal portion 2a from the side edge of the easily bent portion 4, When tearing and unsealing with a finger using the unsealing basket 6 as a starting point, the tear can be easily and reliably opened with a small tearing force. In addition, when both ends of the unsealing basket 6 are in a position exceeding 4 mm on the partition seal part 2 a from the side edge of the easy-bending portion 4, or in a position less than 1 mm from the side edge of the package storage chamber 3 Therefore, there is a high risk of tearing by mistake during transportation and handling and easily propagating to the packaged article storage chamber 3.

  Moreover, depending on a user's preference, a use, etc., it may be desired to open only one of the plurality of package storage chambers 3 of the packaging bag 1. Therefore, in the present invention, as shown in FIG. 1, the outer peripheral seal portion (the vertical seal portion 5 and the horizontal seal portions 8 a and 8 b) of the packaging bag 1, in the drawing, has a notch or the like on the side edge of the vertical seal portion 5. It is preferable to provide an opening bag 9 so that only the desired package storage chamber 3 can be opened.

DESCRIPTION OF SYMBOLS 1 Packaging bag 2 Partition seal part 2a Partition seal part 3 Packaged article storage chamber 4 Easy bending part 4a Non-seal part 4b Line seal part 4c Point seal part 5 Vertical seal part 6 Opening lid 7 Opening 8a, 8b Horizontal seal part 9 Unsealed bag

Claims (8)

A laminated bag comprising at least a base film layer and a sealant layer, wherein the sealant layers are stacked on the front and back so that the sealant layers face each other, and the outer peripheral edge portions are fusion bonded,
The packaging bag has two or more packaged article storage chambers defined by a partition seal portion,
The said partition seal part has a flexible bending part more flexible than this partition seal part extended continuously or discontinuously in the length direction in the center part of the width direction. The packaging bag according to claim 1, wherein the easily bent portion includes a non-seal portion, a line seal portion, or a point seal portion. The packaging bag according to claim 1, wherein the easily bent portion is formed from an upper end edge to a lower end edge of the packaging bag. The packaging bag according to any one of claims 1 to 3, wherein a width of the easily bent portion is at least 0.5 mm. The packaging bag according to any one of claims 1 to 4, wherein a width of a portion of each of the partition seal portions located on both sides of the easily bent portion is at least 0.5 mm. The packaging bag according to any one of claims 1 to 5, further comprising at least one unsealing bag on the partition seal portion. The packaging bag according to claim 6, wherein the unsealing bag is made up of an I notch, a U notch, a V notch, or a number of wrinkles. The packaging bag according to any one of claims 1 to 7, wherein the packaging bag has at least one unsealing bag at an outer peripheral edge of the packaging bag.

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