JP2005112451A - Double mouth extracting-packaging bag - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a double mouth extracting-packaging bag reduced in production cost, which does not become bulky even when an article is filled in, and also, by which the extraction of the article is adjusted by the intention of a user. <P>SOLUTION: This packaging bag is constituted by providing two housing sections for the article to be packaged across a central vertical sealed section which is provided at the central section in the width direction. The packaging bag has at least one tear guiding line provided on a base film layer extending to the housing sections for the article, the central vertical sealing section and a lateral sealing section. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention is a packaging bag containing liquid, paste-like, powder-like, granular, or granular foods or medicines, preferably different types of goods to be packed in a plurality of storage parts. The present invention relates to a packaging bag in which a package can be taken out at the same time or individually without soiling the hands.

  Conventionally, as a packaging bag for storing food and drinks or medicines in a plurality of rooms as packages, there is a type in which soy sauce and wasabi are separately stored in package storage units that are sealed in four directions. It was. And when taking out a to-be-packaged object from a packaging bag in that way, after taking out the to-be-packaged object accommodated in one to-be-packaged article storage part, the to-be-packaged accommodated in the other to-be-packaged article storage part It was necessary to take out the item, and it was not assumed that the item to be packaged was taken out at the same time.

Conventionally, there has been a type of two-part extraction package that individually stores food and drinks, medicines, and the like in the package storage part of a type of packaging bag having a plurality of package storage units. In order to take out the packaged items separated and stored from the two-part extraction package, the packaged storage units are stacked and pressed to apply pressure to the packaged items and take them out simultaneously. (See Patent Document 1). The package of the separate storage type disclosed in Patent Document 1 includes a lid made of a hard material, and a packaged article storage portion made of a flexible member having a peripheral edge fixed to the back surface of the lid. The lid has a fold line having a half cut portion at the center of the surface, and is configured by providing a packaged article storage portion made of a flexible member on both sides of the fold line. Then, when taking out the package from the package, the package is folded with the lid made of a hard material at the half-cut portion, and at the same time, the package storage unit made of a flexible member is mutually attached. By pressing, a packaged object is squeezed out from an extraction port such as a pyramid shape or a truncated cone shape provided at the center of the half cut portion.
JP 61-104973 A

  However, since these conventional two-part extraction packaging bodies are composed of a lid made of a hard material and a packaged article storage portion made of a flexible member provided on the back side of the lid, production of the packaging body It was difficult to keep costs low. In addition, since this type of packaging bag includes a lid made of the hard material, it has a problem of being bulky when shipped and transported as a product.

Furthermore, in the case of the above two-part extraction package, in order to take out the package, the lid made of a hard material is bent along the half-cut portion to provide the extraction port, and at the same time, the package containing the flexible member is stored. The parts are put together and pressed, and the article to be packaged is pushed out by the pressing force. In this extrusion operation, it is necessary to apply a certain amount of force to the lid in order to bend the lid made of a hard material to form the extraction port. The lid must be bent with a certain amount of momentum. For this reason, there has been a problem in that the object to be packaged pops out from the extraction opening that is opened by folding the lid and scatters around.
In addition, when extracting a package from a conventional two-part extraction package, the cover is broken and the extraction port opens, and at the same time, the package is ejected from the extraction port, so that the object, that is, the package, is poured. It was necessary to point in advance the part to be the extraction port in a certain direction such as food.
That is, in the conventional two-part extraction package, it is difficult to adjust the extraction state of the package according to the intention of the user of the package.

Therefore, the inventors have conducted research and development to solve the above problems, and as a result, have come to develop the following invention.
According to a first aspect of the present invention, there is provided a packaging bag in which two packaged article storage portions are provided with a central longitudinal seal portion provided at a central part in the width direction, wherein each of the packaged article storage units, The packaging bag is characterized in that at least one tear guide wire is provided on the base film layer for the seal portion and the lateral seal portion.

  In the present invention, the tear guide line is a laminated film comprising at least two layers of a base film layer and a sealant layer made of a stretched or unstretched plastic film or the like, and the base film layer has a thickness of about 1/2. It is preferable to provide as at least one continuous groove having the above depth, and preferably having a width of about 100 to 1000 μm. In addition, the tear guide line is formed, for example, by continuously irradiating a base film layer with a melt groove having a required depth in a required direction by irradiation with a laser beam when slitting a wide laminated film. This can be configured.

  Therefore, when opening the packaging bag for taking out the packaged object, the position of the groove having a small tear resistance was traced under the action of a sufficiently small tearing force by opening from the position where the continuous groove was formed. The opening is started easily and smoothly. The bag tear formed in this way is formed on each of the front surface side and the back surface side portion of the packaging bag, even if it reaches, for example, the storage portion of the package over the seal portion. The direction of travel is properly guided by the continuous grooves overlapping with each other, and the tear proceeds accurately following the groove portion having a small tear resistance.

  In addition, the tear guide line is provided at a line-symmetrical position with respect to the center line in the width direction of the center vertical seal part, the packaged article storage part has an extraction passage in one side seal part, The tear guide line is provided so as to cross the extraction passage. The extraction passage extends across the extraction passage, and is formed on each of the front-side film and the back-side film at the position where the extraction passage is formed. It is preferable to provide each of a convex part and a concave part that protrude to either one of the front and back sides and fit to each other.

  In a packaging bag comprising a packaged article storage section and a narrow extraction passage communicating therewith, each of the front side film and the back side film protrudes to either the front or back side and is fitted to each other. In the packaging bag provided with each of the recesses, after opening the bag and extracting the packaged goods through the extraction passage, removing the pressing force that has been applied to the packaged object storage part, The self-restoring force of both of them returns to the initial state where both of them enter each other, and then exerts a large flow resistance on the remaining package in the bag trying to pass through the formation of the convex part and the concave part. Regardless of the post-post posture of the bag, it is possible to effectively prevent an unexpected outflow or the like of the remaining package. In addition, the convex portion and the concave portion are formed to the full width of the extraction passage, and preferably, at least one of the groove and the protruding portion to be fitted to each other is provided on each peripheral wall of the convex portion and the concave portion. Form. According to the former, it is possible to effectively prevent the remaining package from flowing out through the gap between the planar contour line of the convex part and the concave part and the extraction passage contour line. Therefore, here, in the case of “full width”, in addition to the state in which the contour lines of the convex portion and the concave portion are inscribed in the extraction passage, the contour line can sufficiently prevent the free flow of the package. It shall include the state separated from the extraction passage within the range.

  Further, according to the latter, the flow resistance of the remaining package is further increased by the engagement between the groove and the protrusion on the peripheral wall of the convex part and the concave part, so that the outflow, leakage, etc. thereof can be more effectively prevented. be able to. In addition, such a groove | channel and a protrusion can be provided in the intermediate part of each of a convex part and a recessed part besides the bottom part of a recessed part and the front-end | tip part of a convex part.

  Further, the inventors provide two packaged article storage portions sandwiching a central vertical seal portion provided at the center portion in the width direction, and embossed in a band shape along the center line in the width direction of the central vertical seal portion. A packaging bag having a concave and convex seal part with a concave and convex shape is proposed.

  In such a packaging bag, the base film layers on both sides of the front and back sides are heat-sealed with a sealant layer interposed at a width of 0.3 to 3 mm by heat sealing with a smooth portion of a heat-sealing blade at the center vertical sealing portion. While the belt-shaped heat seal portion is used, the entire region from the belt-shaped heat seal portion to the center line in the width direction provided in the central vertical seal portion is heated by the convex and concave portions adjacent to the smooth portion of the heat seal blade. Each heat seal which cooperates with the sealant layer interposed between the base film layers on both sides of the front and back sides of at least one of the bottom and top of each uneven surface of the uneven seal portion. The blade is pushed sideways from at least one of the bottom and top of each concavo-convex portion of the concavo-convex portion by meshing with the concavo-convex portion, preferably The sealant resin extruded in this manner is allowed to flow into the surplus space between the concave and convex portions of the heat seal blades that cooperate with each other, thereby preventing the sealant resin from protruding from the base film layers on both sides of the front and back sides. .

  The uneven seal portion with the embossed unevenness is provided symmetrically with respect to the center line in the width direction of the central vertical seal portion, and the package storage portion is extracted into one horizontal seal portion. A passage extending across the extraction passage, and at the position where the extraction passage is formed, projecting toward the front or back side of the front-side film and the back-side film, and fitting with each other Providing each of the convex part and the concave part to be combined, at least one base film layer or a base film layer and a sealant layer over each packaged article storage part, the central vertical seal part and the horizontal seal part More preferably, the tear direction guide line is printed.

  Since the two-part extraction packaging bag according to the present invention has a structure in which a flexible film is heat-sealed at a predetermined position, it needs to be configured using a plurality of different materials as in the case of a package according to the prior art. There is no. For this reason, production costs can be kept low. Further, the two-part extraction packaging bag according to the present invention has a flat structure in which the package storage portion is horizontally positioned on the left and right of the central vertical seal portion before use, and is formed of a flexible film and deformed. Easy to do. For this reason, even if the article to be packaged is filled with the article to be packaged, it is not bulky due to the flexibility derived from the constituent material of the packaging bag and the form of the packaging bag before use, and is easy to carry. .

  Furthermore, the double-extracted packaging bag according to the present invention is, in use, after being bent with respect to the center line in the width direction provided in the central longitudinal seal portion of the packaging bag and overlapping the two packaged article storage portions. In addition, an extraction port is provided by excising a part of the packaging bag, and the object to be packaged is taken out from the extraction port by applying pressure with fingers to the packaged object storage unit. Therefore, according to the present invention, the step of providing the extraction port and the step of extracting the package from the extraction port can be clearly separated. Therefore, according to the two-port extraction packaging bag according to the present invention, the extraction state of the package can be easily adjusted according to the intention of the user.

The structure of the two-port extraction packaging bag according to the present invention will be described.
A laminated film comprising at least two layers of a base film layer made of a stretched or unstretched plastic film or the like and a sealant layer is used for the packaging bag used for the two-neck extraction packaging bag according to the present invention.
As shown in FIG. 1, the packaging bag 1 has a structure in which two four-side sealed packaging bags are connected to each other with a central vertical seal portion provided at the center in the width direction of the packaging bag. . And from one point provided on the center line 4 in the width direction provided in the center vertical seal part of the packaging bag, from one point on the center line 4 in the width direction provided in the center vertical seal part, the side end of the horizontal seal part A tear guide line 5 is provided so as to go to one point on the side edge of the lateral seal portion with the shorter distance of the perpendicular line dropped onto the edge and to cross the package storage portion 6.
The tear guide wire 5 may be extended linearly or curvedly as long as it traverses the packaged article storage unit 6.

  In the packaging bag 1 shown in FIG. 1, the size and shape of the extraction port that appears when a part of the packaging bag is cut out by adjusting the position and length of the tear guide wire 5 that crosses the packaged article storage unit 6. It can be changed arbitrarily. For example, from the one point provided on the center line 4 in the width direction provided in the center vertical seal part of the packaging bag in which the distance of the perpendicular line lowered onto the side edge of the horizontal seal part is longer, the normal line and the horizontal seal part By providing a linear tear guide line that connects one point with a longer distance from the intersection with the side edge, the length of the tear guide line 5 traversing the packaged article storage portion 6 becomes longer, and The extraction port which appears by cutting off a part of a packaging bag at the time of use of a packaging bag can be enlarged.

  The tear guide wire 5 is preferably provided in the base film layer with a depth of about 1/2 or more of its thickness. On the other hand, the upper limit of the groove depth is determined in accordance with the bag volume, the type of package, etc. in relation to the bag breaking strength. The tear guide wire 5 preferably has a groove width of about 100 to 1000 μm. That is, when heat-sealing the laminated film to the packaging bag, when the groove portion positioned on the front surface portion and the groove portion positioned on the back surface portion can always be accurately overlapped, 30 to Even with a groove width of about 50 μm, it is possible to induce the tearing of the bag sufficiently effectively, but in reality, for example, when a single laminated film is folded from the center in the width direction, Because it is virtually impossible to accurately match the center line position of each groove part extending on both the front and back sides of the bag due to the effects of error, thermal distortion of the laminated film at the time of heat sealing, Here, in consideration of the above-mentioned influences in relation to the vertical and horizontal dimensions of the bag, the minimum width of the groove is set to 100 μm in order to ensure the required overlapping width of each groove part even if the influence is received. To do. On the other hand, it is almost no experience that the deviation amount of the center line of the groove portion due to the error, thermal strain, etc. becomes 1000 μm or more, more precisely, the deviation amount reaches 950 to 970 μm. In addition, when the groove width exceeds 1000 μm, the sealant layer is sheared when opening the bag when the center line position of each groove portion is exactly the same on both sides of the bag. In this case, the maximum width of the groove is set to 1000 μm because it is very difficult to tear the bag once the deformation is generated in the sealant layer.

  Further, the tear guide line 5 is formed by continuously irradiating a base film layer with a melt groove having a required depth in a required direction, for example, by irradiation with a laser beam during slitting processing on a wide laminated film. It can be configured by forming.

  Further, the tear guide wire 5 may be formed as a groove extending intermittently in the form of a perforation. In this case, the groove depth can be set to a depth exceeding the thickness of the base film layer, and since this is an intermittent groove, the packaging bag has sufficient burst strength. Can be maintained.

  By providing a tear guide line as described above in the base film layer, the packaging bag can be opened with a small tearing force. For this reason, in order to provide an extraction port in each packaged article storage part from a state in which the packaging bag is folded along the center line in the width direction provided in the central vertical seal part and the packaged article storage part is overlapped It is also possible to remove part of the packaging bag at the same time. In addition, the progress of the bag tear in the unintended direction is always sufficiently prevented, and the possibility of the object to be packaged, such as scattering, dripping, and jetting, is extremely effectively removed.

  By the way, the guiding effect of the traveling direction of the bag tear in the required direction is particularly noticeable when continuous grooves or intermittent grooves are formed by laser beam irradiation. In addition, the melted base film forms a raised portion having a high tear resistance, and the raised portion more effectively prevents deviation from the slit of the bag.

  Here, when the continuous groove or intermittent groove as the tear guide line 5 is formed symmetrically with respect to the center line 4 in the width direction provided in the center longitudinal seal portion of the packaging bag, For use, the width provided in the central vertical seal portion of the packaging bag when folded along the center line 4 in the width direction provided in the central vertical seal portion of the packaging bag and overlapping the package storage portion It is possible to superimpose the groove portions of the tear guide lines formed symmetrically with respect to the central line 4 in the direction. In addition, the groove is smoothly extended by linearly extending the rip of the bag, and by extending it in a curved line, Can be guided to.

  Further, as shown in FIG. 2, the tear guide wire 5 includes a widthwise center line 4 provided in the center longitudinal seal portion of the packaging bag and a side edge of the packaging bag of the lateral seal portion provided with the tear guide wire (hereinafter referred to as “ More preferably, the heat seal portion is positioned at a distance of about 1 mm or more from the side edge of the heat seal portion. Here, the reason why the tear guide wire 5 is terminated at a position about 1 mm or more before the side edge of the heat seal portion is to sufficiently increase the impact strength of the heat seal portion, particularly in the tensile direction. is there. That is, the occurrence of a tear in the heat seal part due to rubbing of the side edge of the heat seal part can be achieved by simply terminating the tear guide line at a position before the side end edge. Although it can be effectively prevented without being significantly affected by the interval, when the heat seal part receives an external force in the tensile direction due to a drop impact, stacking impact, etc. of the packaging bag, the tear to the heat seal part Occurrence is greatly affected by the distance between the edge of the tear guide line and the side edge, and if it is less than 1 mm, there is a very high risk of tearing in the heat seal area. Then, by setting the interval to about 1 mm or more, the strength of the heat seal portion is sufficiently increased, and at the same time, the strength is sufficiently uniform throughout the heat seal portion.

  Furthermore, as shown in FIG. 3, the structure of the two-port extraction packaging bag 1 according to the present invention is such that one packaged article storage portion is sealed in four directions and the other packaged article storage portion is sealed in three directions. It may be.

Moreover, in this invention, as shown in FIG. 4, the extraction channel | path 9 connected to a to-be-packaged goods accommodating part is made into the center of a packaging bag in a part of horizontal seal part adjacent to each of two to-be-packaged goods accommodating parts. More preferably, it is provided at a position symmetrical with respect to the center line 4 in the width direction provided in the vertical seal portion.
By providing the extraction passage, the size of the extraction port generated by removing a part of the packaging bag along the tear guide line by combining the position of the tear guide line and the selection of the shape of the extraction passage is further increased. Various changes can be made.

  For example, as shown in FIG. 5, a triangular shape is adopted as the shape of the extraction passage so that the tear guide line 5 crosses the vicinity of the apex near the edge of the lateral seal portion of the extraction passage 9 provided in a triangular shape. When provided, when a part of the packaging bag is removed when the extraction port is provided, a small extraction port can be obtained. Such a small extraction port is useful for adjusting the extraction state when a low-viscosity package such as a liquid is extracted.

  Furthermore, as shown in FIG. 6, the shape of the extraction passage 9 is a rectangular shape that spreads in the width direction of the horizontal seal portion, and the length that the tear guide wire 5 crosses the extraction passage 9 provided in a rectangular shape is set. If it is provided so as to cross longer, when a part of the packaging bag is removed when the extraction port is provided, a large extraction port can be obtained. Such a large extraction port is useful for extracting a large amount of high-viscosity packaging at a time or for extracting a paste-like packaging in which solid packaging is dispersed.

  In the case where an extraction passage is provided, the side edge of the horizontal seal portion that passes through the extraction guide passage and passes through one point on the center line in the width direction provided in the central vertical seal portion of the packaging bag It can also be provided as a parallel line to. The length in the width direction of the extraction passage is originally shorter than the length in the width direction of the package storage portion. Therefore, a tear guide line is provided across the extraction passage and in the central vertical seal portion of the packaging bag. The length in the width direction of the extraction port that appears by cutting off a part of the packaging bag along the tear guide line provided in a parallel line to the side edge of the lateral seal portion passing through one point on the center line in the width direction is This is because the length of the extraction passage remains in the width direction.

  Further, in the present invention, as shown in FIG. 7, at the position where the extraction passage 9 communicating with the packaged article storage unit 6 is formed, the front-side film 13 and the back-side film 14 project to either the front or back side. It is preferable to provide each of the convex portion 11 and the concave portion 12 that are fitted to each other. In extracting the packaged item, the packaging bag is torn at the portion near the side edge of the lateral seal portion provided with the extraction passage from the formation portion of the convex portion and the concave portion provided in the extraction passage 9. Therefore, in providing a tear guide line in the extraction passage provided with the convex portion 11 and the concave portion 12, a portion closer to the side edge of the lateral seal portion provided with the extraction passage than the formation portion of the convex portion 11 and the concave portion 12 And provided so as to cross the extraction passage.

  Here, the convex portion 11 and the concave portion 12 use, for example, a die and a punch that are heated together, and the respective films on the front side and the back side of the punch under the entry stroke of the die into the die and the punch. The film can be narrowed down into a molding cavity defined by the above-described method, and the two films can be formed into a shape that follows the molding cavity on the basis of their thermoplasticity. The convex portion 11 and the concave portion 12 are normally in their molded state shown in FIGS. 7B and 7C by their own elastic restoring force, and the extraction passage dimensions, particularly in the vertical direction of the figure, The flow length of the extraction passage is extended to increase the flow resistance exerted on the package, and at the same time, the film rigidity is increased, To function to increase the resistance to vertical expansion deformation.

  Thus, in this packaging bag, the packaging material enclosed in the packaging bag can be extracted, for example, by tearing the packaging bag along the tear guide line 5 shown in FIG. In an advanced state, the package storage unit 6 is pressed with fingers, and the convex portion 11 and the concave portion 12 are expanded in the vertical direction against the rigidity thereof, and the vertical dimension of the extraction passage is increased. This can be done by bringing

On the other hand, the extraction can be stopped by removing the pressing force acting on the storage space and returning the convex portion 11 and the concave portion 12 to the state at the time of molding by its elastic restoring force. After such elastic return, the flow resistance exerted by the convex portion 11 and the concave portion 12 on the package increases, so that unexpected extraction and leakage of the package are sufficiently prevented. Moreover, since the convex portion 11 and the concave portion 12 have high rigidity due to the molding of the convex portion 11 and the concave portion 12, even if the pressure or the like of the remaining packaged material in the bag may act on the convex portion 11 and the concave portion 12, the channel narrowed state is sufficiently maintained. be able to.
By the way, such an effect of the convex portion 11 and the concave portion 12 is not only when the planar contour shape thereof is an elliptical shape, but also when it is a circular shape, a triangular shape, a square shape, other polygonal shapes, an irregular shape, or the like. Of course, it can be realized.

  In addition, the convex part and the concave part as described above cross the extraction path on the film on the front side and the back side in the packaging bag including the package storage part and the narrow extraction path communicating therewith. It is also possible to substitute one provided with a plurality of projections and recesses that extend and enter each other.

  In the above description, the two-port extraction packaging bag having an extraction passage in the package storage unit has been described. Even in this case, the tear guide wire 5 is provided in the central vertical seal portion of the packaging bag as shown in FIG. It is more preferable that the lateral seal portion provided with the center line 4 in the width direction and the tear guide line be positioned at a distance of about 1 mm or more from the edge of the packaging bag of the lateral seal portion (hereinafter referred to as “side edge of the heat seal portion”). . In addition, as shown in FIG. 3, the structure of the two-part extraction packaging bag is such that one packaged article storage section is sealed in four directions and the other packaged article storage section is sealed in three directions. May be.

  In addition, in using the two-port extraction packaging bag according to the present invention, in order to overlap the two packaged article storage portions, bend along the center line in the width direction provided in the central vertical seal portion of the packaging bag. There is a need. Therefore, on the center line in the width direction provided in the center vertical seal part, a groove that continuously extends on the base film by irradiating a laser or a groove that intermittently extends in the form of a perforation, or press More preferably, a bending crease is attached by, for example, providing punch holes extending intermittently in a perforation using a machine.

  In addition, the to-be-packaged goods accommodating part does not necessarily need to be a magnitude | size and shape symmetrical with respect to the center line of the width direction provided in the center vertical seal | sticker part of a packaging bag. One packaged article storage unit 6 as shown in FIG. 8 may be larger than the other. It is suitable for the case where the amount to be packaged is originally different, such as soy sauce and wasabi when eating sashimi, vinegar soy sauce and chili oil when eating dumplings.

  In the present invention, when a part of the packaging bag is removed to provide the extraction port, the width direction of the central vertical seal portion of the packaging bag as shown in FIG. What provided the uneven | corrugated seal | sticker part 10 which attached | subjected the embossed unevenness | corrugation to the strip | belt shape along the centerline of this can also be used.

  The embossed concavo-convex seal portion is formed by a smooth portion of the heat seal blade in a region adjacent to each packaged article storage portion of the vertical seal portion along the center line in the width direction provided in the central vertical seal portion of the packaging bag. By heat sealing, the film layers on both sides of the front and back are made into a belt-like heat-sealed part heat-sealed with a sealant layer in the width of 0.3 to 3 mm, and from this belt-like heat-sealed part to the adjacent packaged article storage part The entire outer region up to the edge of the adjacent belt-shaped heat seal part is made into an embossed uneven seal part by heat sealing with the uneven part adjacent to the smooth part of the heat seal blade, and the bottom and Engagement of the concave and convex portions of the heat seal blades cooperating with each other with a sealant layer interposed between the film layers on both sides of the front and back sides on at least one of the tops Thus, it can be performed by extruding to the side from at least one of the bottom and top of each concavo-convex portion of the concavo-convex portion, and according to this, easy opening processing is performed simultaneously with heat sealing without providing a special process. Can do.

  In addition, as shown in FIG. 10, the embossed uneven seal portion is provided only in a part of the packaging bag in the longitudinal direction along the center line 4 in the width direction provided in the center longitudinal sealing portion of the packaging bag. Is also possible.

  Moreover, in this invention, as shown in FIG. 11, the extraction channel | path 9 connected to the to-be-packaged goods accommodating part 6 is provided in a part of the horizontal seal | sticker part adjacent to each of the two to-be-packaged goods accommodating parts 6 as a packaging bag. It is more preferable to provide it in a line-symmetrical position with respect to the center line 4 in the width direction provided in the central vertical seal portion.

  Furthermore, in the present invention, as shown in FIG. 12, at the position where the extraction passage 9 communicating with the packaged article storage unit 6 is formed, the front side film 13 and the back side film 14 are protruded to either the front or back side. It is preferable to provide each of the convex portion 11 and the concave portion 12 that are fitted to each other. In extracting the packaged item, the packaging bag is torn at the portion near the side edge of the lateral seal portion provided with the extraction passage 9 from the formation portion of the convex portion 11 and the concave portion 12 of the extraction passage 9.

  In addition, the convex part and the concave part as described above cross the extraction passage in the respective films on the front surface side and the back surface side in a packaging bag including a packaged article storage portion and a narrow extraction passage communicating therewith. It is also possible to substitute one provided with a plurality of projections and recesses extending inward and preferably entering each other.

  Even when the extraction passage communicating with the packaged article storage portion is provided, the embossed uneven seal portion is the longitudinal direction of the packaging bag along the center line 4 in the width direction provided in the central longitudinal seal portion of the packaging bag. It is possible to provide only in a part of.

  In addition, in using the two-port extraction packaging bag according to the present invention, in order to overlap the two packaged article storage portions, bend along the center line in the width direction provided in the central vertical seal portion of the packaging bag. There is a need. Therefore, on the center line in the width direction provided in the center vertical seal part, a groove that continuously extends on the base film by irradiating a laser or a groove that intermittently extends in the form of a perforation, or press More preferably, a bending crease is attached by, for example, providing punch holes extending intermittently in a perforation using a machine.

  In addition, as a part that becomes the starting point when tearing the packaging bag as described above, the structure of the two-sided packaging bag using the uneven seal portion with embossed unevenness, as shown in FIG. One packaged article storage section may be sealed in four directions, and the other packaged article storage section may be sealed in three directions. Further, the packaged article storage portion does not necessarily have a size and shape that is symmetrical with respect to the center line in the width direction provided in the central vertical seal portion of the packaging bag.

  By the way, for the two-port extraction packaging bag using the embossed uneven sealing portion, at least one tear direction guide line in the tear direction intended by the manufacturer of the packaging bag, each packaged article storage portion, More preferably, printing is performed between the base film layer or the base film layer and the sealant layer over the central vertical seal portion and the horizontal seal portion.

FIG. 13 shows an embodiment of a packaging structure using the above-described two-part extraction packaging bag in which ketchup is filled in one packaged article storage section and mustard is packed in the other packaged article storage section.
The two-part extraction packaging bag shown in FIG. 13 has two packaged article storage portions with a central vertical seal portion provided at the central portion in the width direction of the packaging bag interposed therebetween. Note that an extraction passage communicating with the packaged article storage unit is provided. As shown in FIG. 13 (a), the extraction passage has a laser-induced tear guide line at a position symmetrical with respect to the center line in the width direction of the center seal portion so as to cross the extraction passage. Is provided.
As a combination of the package to be filled in the package storage unit, for example, if it is used as a packaging bag for cup fried noodles, a combination of sauce and mayonnaise is also applied when eating bread If used as a seasoning packaging bag, a combination of jam and margarine is conceivable.

  When actually using the packaging bag shown in FIG. 13 (a), first, as shown in FIG. 13 (b), the packaging bag is folded along the center line in the width direction of the central seal portion of the previous period, Overlay the package storage. Next, as shown in FIG. 13 (c), an extraction port for removing a part of the packaging bag by removing a part of the packaging bag along the tear guide line in a state in which the two parts to be packaged are overlapped. Is provided. And the finger | toe pressure is simultaneously applied to the overlapped package storage part. By doing so, the ketchup and mustard, which are packaged items, are simultaneously pushed out of the extraction port on the Frankfurt or hot dock. The amount of ketchup and mustard to be extruded can be adjusted as appropriate by adjusting the pressure of the fingers.

  The present invention, for example, when eating food and drink by extracting and applying two different types of packages to food and drink at the same time, such as a combination of jam and margarine, ketchup and mustard, etc. Mainly used

The top view and sectional drawing of a two-part extraction packaging bag which has a tear guide line. The top view of the two-neck extraction packaging bag which shows the other Example which provides a tear guide line. The top view of the two-part extraction packaging bag in which one to-be-packaged article storage part is formed by a three-way seal. The top view of the two-part extraction packaging bag which has a tear guide line and an extraction channel | path. The top view of the two neck extraction packaging bag which shows the 1st other Example of an extraction channel | path. The top view of the two neck extraction packaging bag which shows the 2nd other Example of an extraction channel | path. The top view of a two-part extraction packaging bag which has a tear guide line and an extraction channel | path, and has a convex part and a recessed part which mutually fit in the extraction channel | path. The top view of the two-part extraction packaging bag which has an asymmetrically shaped package storage part. The top view of a two-part extraction packaging bag which has an embossed uneven | corrugated sealing part. The top view of the two-part extraction packaging bag which has an embossed uneven | corrugated sealing part in a part of vertical sealing part along the center line of the width direction provided in the center vertical sealing part of a packaging bag. The top view of a two-part extraction packaging bag which has an embossed uneven | corrugated sealing part and an extraction channel | path. The top view of a two-part extraction packaging bag which has an embossed uneven | corrugated sealing part and an extraction channel | path, and has a convex part and a recessed part which mutually fit in the extraction channel | path. The figure which shows the two-neck extraction packaging bag filled with ketchup and mustard, and its usage example.

Explanation of symbols

1. Two-part extraction packaging bag.
2. 2. Vertical seal Horizontal seal 4. 4. Center line in the width direction provided at the center vertical seal of the packaging bag Tear guide wire 6. 6. Package storage unit Base film layer8. 8. Sealant layer Extraction passage 10. 10. Embossed convex and concave portions Convex part 12. Recess 13. Surface side film 14. Back side film

Claims (10)

  In a packaging bag provided with two packaged article storage parts sandwiching a central vertical seal part provided in the center part in the width direction, a base applied to each of the packaged article storage parts, the central vertical seal part and the horizontal seal part A packaging bag, wherein at least one tear guide wire is provided on a film layer.   The packaging bag according to claim 1, wherein the tear guide line is provided at a line-symmetrical position with respect to the center line in the width direction of the center longitudinal seal portion.   The packaging bag according to claim 1, wherein the packaged article storage portion is provided with an extraction passage in one side seal portion.   The packaging bag according to claim 3, wherein the tear guide line is provided so as to cross the extraction passage.   The extraction passage extends across the extraction passage, and at the position where the extraction passage is formed, a convex portion that protrudes to either the front or back side and fits to each of the front-side film and the back-side film, and The packaging bag according to claim 3 or 4, wherein each of the recesses is provided.   Concavities and convexities provided with two article storage portions sandwiching a central vertical seal portion provided at the central portion in the width direction, and with embossed irregularities in a band shape along the central line in the width direction of the central vertical seal portion A packaging bag provided with a seal portion.   The packaging bag according to claim 6, wherein the uneven seal portion with the embossed unevenness is provided in line symmetry with respect to the center line in the width direction of the central vertical seal portion.   The packaging bag according to claim 6 or 7, wherein the packaged article storage part is provided with an extraction passage in one side seal part.   The extraction passage extends across the extraction passage, and at the position where the extraction passage is formed, a convex portion that protrudes to either the front or back side and fits to each of the front-side film and the back-side film, and Each of the recessed part was provided, The packaging bag of Claim 8 characterized by the above-mentioned. At least one tear direction guide line is printed between the base film layer or the base film layer and the sealant layer applied to each packaged article storage unit, the central vertical seal unit, and the horizontal seal unit. The packaging bag according to any one of claims 6 to 9.

Images