JP2008260549A - Packaging bag with ic tag - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a packaging bag with an IC tag, the bag being designed so that the IC tag accommodated in a bag body is re-used. <P>SOLUTION: Two laminates each having a heat sealable resin layer in the innermost layer are superposed. Perimetral seals, which are an upper edge seal 10, a lower edge seal 20, a left edge seal 30, and a right seal 40, are formed on the perimetral edges, which are an upper edge, a lower edge, a left edge, and a right edge. Thus, the bag body with a small compartment S is formed. An IC tag 70 is sealed in the small compartment S. Further, an opening cut 60 composed of a notch 61 for opening the bag body and a cut 62 for tearing it is made from the left seal 30 to the right seal 40 through the small compartment S. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a packaging bag having an IC tag.

In recent years, "contactless IC tag"("contactless data carrier", "wireless IC tag", "contactless IC", "contactless IC label", etc.) that can record and read information in a contactless manner In some cases, however, it has been widely used for the management of goods and merchandise information, logistics management, and the like. Recently, non-contact IC tags (hereinafter referred to as “IC tags”) are also mounted in the field of packaging bodies such as foods and used for distribution, quality control, expiration date management, etc. (Patent Literature) 1-5).
JP 2003-155062 A JP 2003-158414 A Japanese Patent No. 3789827 JP 2003-242471 A JP 2003-242472 A

  In the above conventional technique, since the IC tag is not provided so as to be separable from the package, there is a problem that the IC tag is discarded together with the used package.

  Then, this invention makes it a subject to provide the packaging bag with an IC tag which can reuse the IC tag provided in the bag body.

  In order to solve the above problems, the present invention comprises a laminate having a heat-sealable resin layer as the innermost layer, and has an upper end seal portion and a lower end at the outer peripheral end portion comprising the upper end portion, the lower end portion, the left end portion, and the right end portion. Peripheral seal part consisting of a seal part, left end seal part, right end seal part is provided to constitute a bag body, and a partition seal part for partitioning the bag body into a small chamber and a large chamber is provided in parallel with the upper end seal part A double wrapping bag with a small chamber and a large chamber that are made into a shape, only the IC tag is stored in the small chamber, the contents are stored in the large chamber, and tearing starts to divide the small chamber There is provided a packaging bag with an IC tag in which a notch for opening as a starting point is provided in one or both of a left end seal portion and a right end seal portion that define a small chamber.

  According to the present invention, the laminated body having the heat-sealable resin layer is bonded at the outer peripheral end portion including the upper end portion, the lower end portion, the left end portion, and the right end portion, and is bonded at the partition seal portion to the large chamber. The left-side end seal portion that defines the chamber, the opening notch serving as a starting point for tearing for storing the IC tag only in the small chamber, the contents in the large chamber, and dividing the small chamber, Since it is provided on at least one of the right end seal portions, the IC tag can be taken out from the bag body and easily reused.

DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
Fig.1 (a) is sectional drawing which shows one Embodiment of the packaging bag with an IC tag which concerns on this invention, FIG.1 (b) is the surface figure. In FIG. 1, 10 is an upper end seal portion, 20 is a lower end seal portion, 30 is a left end seal portion, 40 is a right end seal portion, 50 is a partition seal portion, 60 is an opening cut portion, and 70 is an IC tag.

  The packaging bag with an IC tag according to the present invention is composed of a laminate having a heat-sealable resin layer in the innermost layer, and the heat-sealable resin layers of a rectangular laminate of the same size are opposed to each other, and an upper end seal portion 10, the small chamber S and the large chamber D are formed by bonding in the lower end seal portion 20, the left end seal portion 30, the right end seal portion 40, and the partition seal portion 50. The upper seal part 10, the lower seal part 20, the left end seal part 30, and the right end seal part 40 constitute a peripheral seal part. In the present embodiment, the partition seal portion 50 is provided in parallel with the upper end seal portion 10.

  The opening cut section 60 is a means for dividing the small chamber S of the packaging bag, and includes a combination of an opening cutout 61 and a tear cut 62. The opening notch 61 serves as a trigger for separation consisting of a V-shaped notch, U-shaped notch, or I-shaped notch provided at least at one location corresponding to the left-side end seal portion 30 and the right-side end seal portion 40. The opening notch 61 made up of the V-shaped notch, U-shaped notch or I-shaped notch has only the left end seal portion 30, only the right end seal portion 40, both the left end seal portion 30 and the right end seal portion 40 (same (Height position). As shown in FIG. 1B, the tearing cut 62 is provided continuously from the left-side end seal portion 30 to the small chamber S and the right-side end seal portion 40, as shown in FIG.

  Further, an opening notch 61 may be provided only on the right end seal portion 40, and a tear notch 62 may be provided continuously from the opening notch 61 to the left end seal portion 30 in parallel with the upper end seal. Only the opening 30 may be provided with a notch 61 for opening, and a tear line 62 may be provided continuously to the opening notch 61 up to the right end seal 40 in parallel with the upper end. The left end seal 30 and the right end seal An opening notch 61 may be provided on both of the portions 40 (at the same height position), and a tear notch 62 may be provided continuously in parallel with the upper end seal on a line connecting the pair of left and right opening notches 61. In the example of FIG. 1, an opening notch 61 is provided in both the left end seal portion 30 and the right end seal portion 40, and tearing is performed in parallel with the upper end continuously on the line connecting the pair of left and right opening notches 61. A cut 62 is provided. The opening notch 61 is not indispensable, and only the tear notch 62 is provided in parallel to the upper end on a straight line connecting the corresponding portions at the left and right ends of the left end seal portion 30 and the right end seal portion 40. good.

  The tear cut 62 may be formed so that the cut portion is weakened and the small chamber S of the packaging bag can be divided. Therefore, the shape of the tear line 62 may be an arbitrary shape such as a straight line, a curved line, a perforated line, or a broken line, and the number thereof may be one, two or more, or a continuous shape. It may be either discontinuous or the like. Further, the structure of the tear break 62 may be any of a through hole (all three layers), a half cut (only the outer layer), or a state in which they are mixed. Needle punching method that presses a heated needle, embossing roll method, polishing roll, grindstone, polishing tape, etc., hot melt punching method to melt and punch, physical punching method using knife, cutter, etc., laser beam It can be performed by a method such as machining, a corona discharge, a plasma discharge, or the like.

  The IC tag 70 is configured by mounting an IC chip on an antenna formed on or in a synthetic resin, paper, glass, or a composite product thereof so that the IC tag 70 can be easily inserted into a small chamber. Further, the IC tag 70 is sealed in the upper end seal portion 10 by bonding the two laminated bodies at the upper end seal portion 10.

  Next, the laminated body which comprises the packaging bag with an IC tag which concerns on this invention is demonstrated. FIG. 2 is a cross-sectional view showing the layer structure of the laminate. As shown in FIG. 2, the laminate is composed of an outer layer, an intermediate layer, and an innermost layer. Among these, the intermediate layer is provided when the innermost layer and the outer layer alone cannot sufficiently function as a packaging bag.

  Then, each layer which comprises a laminated body is demonstrated. The innermost layer is a heat-sealable resin layer, but this heat-sealable resin may be any material that can be melted by heat and fused to each other, for example, low density polyethylene, medium density polyethylene, high density polyethylene, Linear (linear) low density polyethylene, polypropylene, ethylene-vinyl acetate copolymer, ionomer resin, ethylene-acrylic acid copolymer, ethylene-methyl acrylate copolymer, ethylene-methacrylic acid copolymer, ethylene A resin composed of one or more resins such as a propylene copolymer or a sheet obtained by forming a film thereof can be used, and the thickness is suitably 18 to 200 μm, preferably 30 to 150 μm.

  The outer layer is a synthetic resin film, and since this synthetic resin film is a basic material constituting a packaging bag, a synthetic resin having excellent properties in mechanical, physical, chemical, etc. For example, resins such as polyester, polyamide, polypropylene, polycarbonate, and polyacetal can be used. Moreover, as a film using these resins, any of an unstretched film or a stretched film stretched in a uniaxial direction or a biaxial direction can be used, and the thickness of the film is a basic material. The thickness may be any thickness that can be held to the minimum necessary for strength, rigidity, etc., and about 12 to 25 μm is appropriate in consideration of cost. In addition, the synthetic resin film was formed with a film coated with polyvinylidene chloride as needed, or an inorganic vapor deposition layer such as aluminum, silicon oxide, aluminum oxide, indium oxide, tin oxide, or zirconium oxide. The film may have a barrier property. Moreover, the synthetic resin film used as the outer layer is generally often printed on the inner layer side of the synthetic resin film. Therefore, the synthetic resin film used as the outer layer is required to have printability and is preferably a stretched film stretched in a uniaxial direction or a biaxial direction. Moreover, synthetic paper, non-woven fabric, paper, cellophane, etc. can be used as needed.

  In the present invention, an intermediate layer may be provided between the innermost layer and the outer layer, and the intermediate layer is usually used when the innermost layer and the outer layer alone cannot sufficiently function as a packaging bag. Provided. The functions include gas barrier properties, mechanical toughness, flex resistance, puncture resistance, impact resistance, wear resistance, cold resistance, heat resistance, chemical resistance, etc., which are required as packaging bags. These final functions are achieved by providing an intermediate layer. Examples of the base material used as the intermediate layer include metal foils such as aluminum, iron, copper, and tin, polyolefins such as polyethylene terephthalate, polyamide, polyethylene, and polypropylene, polyvinyl chloride, polycarbonate, polyvinyl alcohol, and ethylene- Films of saponified propylene copolymer, ethylene-vinyl acetate copolymer, etc., or films obtained by coating polyvinylidene chloride on these films, or vapor deposition of inorganic substances such as aluminum, silicon oxide, aluminum oxide, indium oxide, tin oxide, zirconium oxide Or a film made of polyvinylidene chloride, paper, synthetic paper, cellophane, or the like can be used. One or more of these substrates can be used in combination. It should be noted that the thickness of the base material only needs to satisfy the function required as a packaging bag, and can be appropriately selected as necessary.

  Next, the manufacturing method of the IC tag packaging bag according to the present invention will be described. There are two manufacturing methods. First, the first manufacturing method will be described. In the first manufacturing method, first, two rectangular bodies having the same size are prepared as described above, the heat-sealable resin layers that are the innermost layers are opposed to each other, the left end seal part, the right side An end seal part and a partition seal part are formed. The state at this time is shown in FIG.

  Subsequently, an IC tag is sandwiched between the opposing portions of the heat-sealable resin layers at the upper end portions of the two laminates. At this time, if position fixing is necessary, temporary fixing is performed with an adhesive. Thereafter, the IC tag 70 is accommodated in the small chamber S by forming an upper end seal portion. The state at this time is shown in FIG.

  Next, an opening cut portion 60 composed of an opening notch 61 and a tear cut 62 is formed. The state at this time is shown in FIG. Note that, as described above, the opening cut portion 60 may be formed only by the tear cut 62.

  Finally, the lower end seal portion 20 is formed by filling the contents from the opened lower end portion with a filling machine and heat-sealing the lower end portion with a seal bar. The state at this time is shown in FIG. Thereby, the IC tag 70 is accommodated in the small chamber S, and the packaging bag with the IC tag according to the present invention in the state where the contents are accommodated in the large chamber D is completed.

  Next, the second manufacturing method will be described. In the second manufacturing method, first, the tearing cut 62 is formed in the laminate as described above. Then, two laminates of the same size are prepared for the laminated body in which such tearing cuts 62 are engraved, the innermost heat-sealable resin layers are opposed to each other, the left end seal part, the right side An end seal part and a partition seal part are formed. The state at this time is shown in FIG.

  Subsequently, an IC tag is sandwiched between the opposing portions of the heat-sealable resin layers at the upper end portions of the two laminates. At this time, if position fixing is necessary, temporary fixing is performed with an adhesive. Thereafter, the IC tag 70 is accommodated in the small chamber S by forming an upper end seal portion. The state at this time is shown in FIG.

  Next, only the opening notch 61 is engraved. Here, as shown in FIG. 4B, the opening notch 61 has a left end seal portion 30 that does not reach the inner end after starting the left end seal portion 30 and the right end seal portion 40 from the outer end. The right end seal portion 40 may be formed partway and not be connected to the tearing cut 62 that is not welded by heat sealing, but the left end seal portion 30 and the right end seal portion 40 may be connected from the outer end to the inner end. And may be connected to the tearing cut 62 that is not welded by heat sealing.

  Finally, the lower end seal portion 20 is formed by filling the contents from the opened lower end portion with a filling machine and heat-sealing the lower end portion with a seal bar. The state at this time is shown in FIG. Thereby, the IC tag 70 is accommodated in the small chamber S, and the packaging bag with the IC tag according to the present invention in the state where the contents are accommodated in the large chamber D is completed.

It is a figure which shows one Embodiment of the packaging bag with an IC tag which concerns on this invention. It is sectional drawing which shows the layer structure of a laminated body. It is a figure which shows the manufacturing process in a 1st manufacturing method. It is a figure which shows the manufacturing process in a 2nd manufacturing method.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Upper end seal part 20 ... Lower end seal part 30 ... Left end seal part 40 ... Right end seal part 50 ... Partition seal part 60 ... Cut part for opening 61 ... Opening Notch 62 ... Tearing cut 70 ... IC tag S ... Komuro D ... Omuro

Claims (3)

Consists of a laminate having a heat-sealable resin layer in the innermost layer, and an upper end seal portion, a lower end seal portion, a left end seal portion, and a right end seal at the outer peripheral end portion including the upper end portion, the lower end portion, the left end portion, and the right end portion. A peripheral seal portion is formed to form a bag body, and a small chamber and a large chamber are formed in a shape in which a partition seal portion that divides the bag body into a small chamber and a large chamber is provided in parallel with the upper end seal portion. A pair of packaging bags provided,
Only the IC tag is stored in the small chamber, the contents are stored in the large chamber, and the notch for opening for starting the tearing to divide the small chamber is the left end seal portion and the right end seal portion that define the small chamber A packaging bag with an IC tag, which is provided on one or both of the above.   2. The packaging bag with an IC tag according to claim 1, wherein the laminate has a three-layer structure of an outer layer, an intermediate layer, and an innermost layer.   The packaging bag with an IC tag according to claim 1 or 2, wherein the innermost layer has a thickness of 18 µm to 200 µm.

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