JP2019088588A - Blister packaging body - Google Patents

Abstract

To provide a blister packaging body which can safely store contents such as tablets without deteriorating contents stored in the recess.SOLUTION: In a blister packaging body which includes a container body having a contents storage recess storing contents such as tablets and a lid material sealing a surface on an opening side of the contents storage recess of the container body, the container body and the lid material include thermoplastic resin sheets, the lid material is directly bonded onto a surface on the opening end side of the contents storage recess in the container body and heat sealed not via an adhesive layer, and a bonding surface is formed into a seal layer that can be peeled.SELECTED DRAWING: Figure 1

Description

  BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a blister package having a containing recess containing contents such as tablets, capsules, or cosmetics.

  Conventionally, for example, as a container package for medicines such as tablets and capsules, a container main body made of a synthetic resin sheet provided with a plurality of content storage recesses, and a synthetic resin sheet surface on the opening side of the content storage recess A blister package (a press through pack package) is widely known, in which a surface on the opening side of a content storage recess is sealed by integrally bonding a lid material containing an aluminum foil thereto.

  According to the blister package configured as described above, when taking the medicine, the content storage recess provided on the container main body side is pressed toward the lid material and deformed while being deformed so as to crush the recess Since the medicine contained in the inside can be easily opened by pressing the lid material made of aluminum foil against the lid material and breaking the lid material, it has the advantage of being able to quickly take out the medicine from the inside of the housing recess. Because it can be easily opened using the mouth and teeth, etc., if the blister package is carelessly left in the place where the infant can reach, the infant may be opened and there may be an accidental drinking accident. Yes, there is a problem with safety.

  In order to solve such a problem, for example, as described in Patent Document 1 or Patent Document 2, a container main body provided with a plurality of content accommodating recesses is formed by a sheet made of polyvinyl chloride or polycarbonate. And the lid is formed of a tearproof film having toughness such as polyethylene and polyester, and the lid is releasably adhered to the back surface of the container main body to seal the content containing recess. The blister package is further divided into a plurality of packaging single units having a single content storage recess at the center by perforations formed in a grid shape, and the content storage recess in each package alone. A blister package has been developed in which a peeling perforation is provided on the periphery of the container, the perforation being continuous at both ends adjacent to each other.

  According to the blister package configured as described above, in order to open the recess containing the tablet, first, one package single body is cut out from the perforation, and then the content accommodation recess is cut from the peeling perforation. It is necessary to perform an operation to peel off the lid portion so as to curl up, and an infant can not perform such an operation, so accidental drinking accident can be prevented.

Japanese Utility Model Publication No. 54-11256 Japanese Utility Model Publication No. 55-44774

  In the blister package described in Patent Literatures 1 and 2 above, an adhesive layer is formed on the entire inner surface of the tearproof film, and the tearproof film and the container main body are bonded via the adhesive layer. There is.

  The adhesive layer formed on the inner surface of the tear-preventive film is usually coated on the inner surface of the tear-preventive film with a coating liquid obtained by dissolving the synthetic resin forming the adhesive layer in a solvent, and then the solvent is evaporated. , Is formed by removing.

  However, while the solvent in the coating liquid can not be completely removed and the solvent remains in the adhesive layer, the tablet accommodated in the content accommodation recess comes in contact with the adhesive layer, There is a problem that the tablet stored in the content storage recess may be altered by the solvent remaining in the adhesive layer.

  The present invention has been made in view of such problems, and it is an object of the present invention to safely store contents such as tablets without deteriorating contents stored in the recess. Provide a blister package that can be

  In order to achieve the above object, the blister package of the present invention, as described in claim 1, comprises a container main body having a content storage recess containing content such as tablets, and the above-mentioned container main body In the blister package including a lid which seals the surface on the opening side of the content accommodating recess, the container body and the lid include a thermoplastic resin sheet, and the open end of the content accommodating recess in the container main body The lid material is directly bonded to the side surface without an adhesive layer and heat-sealed, and the bonding surface is formed as a peelable seal layer.

  According to the blister package of the present invention, a container main body having a content storage recess containing contents such as tablets, and a lid member sealing the opening side surface of the recess of the container main body, Containing a thermoplastic resin sheet, the opposing surfaces joined to each other are directly heat-sealed without an adhesive layer and formed into a peelable seal layer, so that they are accommodated in the content accommodation recess The contents do not deteriorate due to the residual solvent.

  In the blister package, when the container body includes the non-oriented polypropylene resin sheet and the lid includes the oriented polypropylene resin sheet, the lid can be easily peeled off from the container if it is an adult. The infant can be provided with a sealing layer having a sealing force (heat adhesion) to such an extent that the lid material can not be easily peeled off from the container body, and accidental ingestion by the infant can be substantially prevented.

  In the blister package, when the container body includes a polyvinyl chloride resin sheet and the lid includes an amorphous polyethylene terephthalate sheet, the lid can be easily peeled off from the container if it is an adult. The infant can be provided with a seal layer having a sealing force (heat adhesion) to such an extent that the lid material can not be easily peeled off from the container body, and accidental ingestion by the infant can be substantially prevented.

  In the above blister package, when the lid includes aluminum foil, the blister package can be provided with moisture resistance, and the blister package can be divided into a plurality of packaging singles by cutting lines such as incisions or perforations. By dividing the package into one, when taking out the contents, it is possible to cut out one package alone from the cutting line and take it easily, of course, both ends of the container body are at the periphery of the recess for containing the contents. Since the peeling notches communicating with the both end surfaces are provided, the lid material can be opened by peeling from the content accommodating recess of the container main body by turning the lid material from the peeling notches.

  As described above, since the cover material is formed of the thermoplastic resin film such as the stretched polypropylene resin sheet which is hard to break as described above, the infant can be prevented from opening using the mouth and teeth, etc., and opened. In the case of infants, it is not possible for infants to carry out such an operation, and therefore accidental drinking accident can be prevented, since it is necessary to lift the lid material from the above-mentioned incision for peeling to the content storage recess. .

  Further, in the above blister package, in the seal layer formed by heat fusion of the container body and the lid material so as to be peelable, the peeling start end portion from the peeling notch to the content accommodation concave is formed in the weak seal layer Therefore, when the lid material is raised relative to the content storage recess from the above-mentioned cut for peeling, the lid material is naturally peeled off from the content storage recess in the opening direction by the weak sealing layer portion to be easily opened. it can.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view of the blister package of the present invention. Its reverse view. FIG. 2 is a cross-sectional view taken along the line II in FIG. The enlarged vertical front view of the one packaging single part. The perspective view of a package single-piece | unit. The perspective view which shows the state just before opening. The perspective view of the state which is opening. The vertical front view. The perspective view which shows the modification of this invention blister packaging body. Its reverse view. The I'-I 'line sectional view in FIG. The perspective view of the one packaging single-piece | unit. The longitudinal side view of the state which has opened it.

  A concrete embodiment of the present invention will be described with reference to the drawings. In FIGS. 1 to 4, the blister package A contains a plurality of medicines or cosmetics such as tablets and capsules (hereinafter referred to as contents b). The container main body 1 provided with the content accommodation concave portion 2 and the lid member 3 which entirely seals the opening side surface of the content accommodation concave portion 2 in the container main body 1.

  The container main body 1 includes a rectangular thermoplastic resin sheet having a constant thickness, preferably a non-stretching thermoplastic resin sheet, and the non-stretching thermoplastic resin sheet has a constant interval in the lengthwise direction and the width direction of the sheet. The above-mentioned content storage recess 2 (in the figure, it bulges and is formed upward) is formed. In the figure, although the content accommodation recessed part 2 is made 2 rows, and is provided to five pieces in each row, this invention is not limited to this arrangement | sequence.

  On the other hand, the lid 3 for sealing the content storage recess 2 is a tear resistant thermoplastic resin sheet, preferably a stretched thermoplastic resin sheet, and preferably a non-stretched thermoplastic resin sheet forming the container body 1 The same size, same shape, without applying an adhesive to the surface of the lid 3 opposite to the surface of the container body 1 on the open end side of the content accommodation recess 2 (without forming the adhesive layer) The peelable seal layer 4 is formed by superposing the surface on the container body 1 and thermally fusing the bonding surface with the flat portion around the opening end of the content storage recess 2.

  The first printing ink layer 5, the aluminum foil 6, and the second printing ink layer 7 are laminated on the surface (hereinafter referred to as the back surface) opposite to the bonding surface with the container main body 1 in the lid member 3 as needed. Provided in the state.

  Furthermore, a cutting line 8 consisting of a half cut or a perforation is provided in a grid shape between the content accommodating concave portions 2 adjacent to the container main body 1 from the back surface of the lid 3 in the form of a grid. 8, a lid having a blister package A in the center and having one content-accommodating recess 2 and being surrounded by a cutting line 8 formed on the peripheral portion 2a around the open end of the content-accommodating recess 2 The piece of material 3a is divided into a plurality (10 in the figure) of packaging single-piece members a in close contact with each other in a peelable manner by the seal layer 3.

  The above-mentioned length direction is provided over the entire length of the central portion in the width direction of blister package A on both sides between the end surfaces on the long side of container body 1 and content accommodation recess 2. A peeling notch 9 having a depth that extends from the surface to the seal layer 4 or in the vicinity of the seal layer 4 so as to be parallel to the cutting line 8 and perpendicular to the widthwise cutting line 8; 9 is provided over the entire length, and when the blister packaging body A is divided into a plurality of packaging single bodies a from the cutting lines 8 and 8 provided in the longitudinal direction and the width direction, one of the packaging single bodies a In the side portion, a pick 10 is formed between the peeling notch 9 and one side end surface of the single package a parallel to the peeling notch 9. Although the peeling notch 9 is formed in a straight shape, it may be formed as a continuous waveform or the like.

  In the seal layer 4 in which the container body 1 and the lid member 3 are heat-sealed so as to be peelable, the peeling start end portion from the peeling notch 9 to the content accommodating recess 2 opposed to the peeling notch 9 The seal layer portion between the container main body 1 and the lid member 3 other than the seal layer portion 4a is used as a strong seal layer portion having a larger thermal adhesion than the weak seal layer portion 4a.

  In order to take out the content b such as a drug contained in the content storage recess 2 of the blister package A configured in this way from the content storage recess 2, first, as shown in FIG. Cut out one packaging unit a.

  Then, as shown in FIG. 6, the peripheral portion of the content storage recess 2 between the peeling notch 9 provided in the single package a and the end face of the single package a parallel to the peeling notch 9 is removed. When this pinched piece 10 is turned downward from the peeling notch 9 with respect to the peripheral edge portion 2a on the content storage recess 2 side as the smeared piece 10, as shown in FIGS. 7 and 8, the pinched piece 10 is continuous The cover material piece 3a is peeled off from the peripheral edge portion 2a of the content storage recess 2, the content storage recess 2 is opened, and the content b can be taken out from the content storage recess 2.

  Under the present circumstances, the seal layer 4 provided by heat-sealing the joint surface of the peripheral part 2a of the content accommodation recessed part 2 and the cover material piece 3a is facing the cut 9 for peeling from the cut 9 for peeling. Since the peeling start end toward the content accommodation recess 2 is the weak seal layer portion 4 a, when the knob piece 10 is turned as described above, the lid material piece 3 a connected to the knob piece 10 is the content accommodation recess 2 It can be opened easily, peeling almost without resistance from the peripheral portion 2a of the content storage recess 2 toward the side.

  Further, since the container main body 1 and the lid member 3 are heat-sealed in a peelable manner directly without using the adhesive layer, the contents b contained in the content storage concave portion 2 of the container main body 1 Although it contacts the joint surface of the lid 3 but does not contact the adhesive layer formed on the conventional blister package, the content b accommodated in the content accommodation recess 2 is adhered There is no possibility of deterioration due to the solvent remaining in the agent layer.

  The thermoplastic resin constituting the thermoplastic resin sheet constituting the container main body 1 and the lid member 3 causes the container main body 1 and the lid member 3 to be heat-sealed to an extent that they can be easily peeled off by an adult. On the other hand, the container main body 1 and the lid 3 may be heat-sealed so as to be peelable to each other to an extent that they can not be easily peeled off to an infant. As an indication of the heat fusion strength between the container body 1 and the lid 3 to such an extent that an adult can easily peel off and an infant can not easily peel off, 6.0 to 12.0 N / 15 mm is mentioned. Be The heat sealing strength refers to a value measured under the conditions of a peeling speed of 50 mm / min and a peeling angle of 90 ° in accordance with JIS Z0238.

  The combination of the thermoplastic resin constituting the container body 1 and the lid 3 includes (1) a combination in which the container body includes the non-oriented polypropylene resin sheet and the lid includes the oriented polypropylene resin sheet, (2) A combination in which the container body contains a polyvinyl chloride resin sheet and the lid material contains an amorphous polyethylene terephthalate sheet is preferred. By combining (1) or (2) above, the container body 1 and the lid member 3 can be easily peeled off if the container body 1 and the lid member 3 are adults under normal heat sealing conditions. While heat fusion can be integrated directly releasably to the extent possible, the container body 1 and lid 3 can be heat fusion integrated directly releasably to the extent that they can not be easily separated by an infant It can be done. In the combination of the above (2), the container body preferably includes a non-oriented polyvinyl chloride resin sheet and the lid preferably includes an amorphous polyethylene terephthalate sheet, and the container body includes a non-oriented polyvinyl chloride resin sheet and a lid More preferably, the material comprises a stretched amorphous polyethylene terephthalate sheet.

  The non-oriented polypropylene resin sheet refers to a non-oriented polypropylene resin sheet. The stretched polypropylene resin refers to a stretched polypropylene resin sheet. The non-oriented polyvinyl chloride resin sheet refers to a non-oriented polyvinyl chloride resin sheet. A stretched amorphous polyethylene terephthalate sheet refers to a stretched amorphous polyethylene terephthalate sheet.

  It does not specifically limit as a polypropylene resin which comprises the polypropylene resin sheet, For example, the copolymer of a homo polypropylene, propylene, and another olefin etc. are mentioned. The polypropylene resins may be used alone or in combination of two or more. The copolymer of propylene and other olefin may be either a block copolymer or a random copolymer. 50 mass% or more is preferable, and, as for content of the propylene component in a polypropylene resin, 80 mass% or more is more preferable.

  In addition, as an olefin copolymerized with propylene, for example, ethylene, 1-butene, 1-pentene, 4-methyl-1-pentene, 1-hexene, 1-octene, 1-nonene, 1-decene and the like α -An olefin etc. is mentioned, Ethylene is preferable.

  The polyvinyl chloride-based resin constituting the polyvinyl chloride-based resin sheet refers to a synthetic resin containing vinyl chloride as a monomer component. Examples of polyvinyl chloride resins include polyvinyl chloride homopolymers and copolymers of a vinyl chloride monomer and a monomer having an unsaturated bond copolymerizable with the vinyl chloride monomer.

  Examples of the monomer having an unsaturated bond copolymerizable with the vinyl chloride monomer include, for example, α-olefins such as ethylene, propylene and butylene, vinyl esters such as vinyl acetate and vinyl propionate, butyl vinyl ether and cetyl vinyl ether (Meth) acrylic esters such as vinyl ethers, methyl (meth) acrylate, ethyl (meth) acrylate, butyl acrylate, aromatic vinyls such as styrene and α-methylstyrene; N-phenylmaleimide, N-cyclohexylmaleimide and the like And N-substituted maleimides and the like.

  Amorphous polyethylene terephthalate refers to, for example, polyethylene terephthalate produced by replacing part of ethylene glycol with 1,4-cyclohexanedimethanol and controlling the crystallization rate of the base polyethylene terephthalate (PET).

  The amorphous polyethylene terephthalate sheet is prepared by melting polyethylene terephthalate at 260 to 350 ° C., preferably 280 to 320 ° C., and forming into a sheet by using a general method such as an extrusion method or inflation method, for example. It can be easily manufactured.

  FIGS. 9 to 13 show a modification of the blister package A of the present invention, and in the above embodiment, on both sides between the end surfaces on the long side of the container body 1 and the content accommodation recess 2. The peeling notches 9, 9 are provided parallel to the longitudinal cutting line 8 provided over the entire length at the central portion in the width direction of the blister package A, but in this modification, the blister packaging is used Parallel to the cutting line 8 provided in the width direction of the body A, in the portion between the cutting line 8 and the content storage recess 2 and on the end side of the blister package A, the end surface and the content storage recess A peeling notch 9 having a depth from the surface of the container body 1 to the seal layer 4 or in the vicinity of the seal layer 4 in the portion between 2 and with both ends communicating with both end faces of the single package a. 'Is provided. The other parts of the configuration are the same as those of the above embodiment, so the same reference numerals are given to the same parts and a detailed description will be omitted.

  In order to take out the content b such as a medicine contained in the content storage recess 2 of the blister package A configured in this way from the content storage recess 2, as in the above embodiment, a view from the cutting line 8 As shown in FIG. 12, after cutting off one package single-piece a, as shown in FIG. 13, the peeling notches 9 ′ provided in the package single-piece a and the package single-piece a parallel to the peeling notches 9 ′ When the peripheral edge portion of the content accommodating recess 2 between the end surface and the end surface is the pinching piece 10, the pinching piece 10 is drawn downward from the peeling notch 9 ′ with respect to the peripheral edge portion 2a on the content accommodating concave portion 2 side The lid material piece 3a connected to the picking piece 10 peels off from the peripheral portion 2a of the content storage recess 2, the content storage recess 2 is opened, and the content b can be taken out from the content storage recess 2 .

A blister package a single packaging b content 1 container body 2 content storage recess
2a peripheral part 3 lid material
3a lid piece 4 seal layer
4a weak sealing layer 6 aluminum foil 8 cutting line 9 incision for peeling

Claims (7)

  A blister package comprising: a container main body having a content storage recess containing contents such as tablets, and a lid member sealing a surface on an opening side of the content storage concave of the container main body, The container body and the lid material include a thermoplastic resin sheet, and the lid material is directly joined and heat-fused to the surface on the opening end side of the content storage recess in the container body without an adhesive layer interposed therebetween. What is claimed is: 1. A blister package comprising a peelable seal layer. The blister package according to claim 1, wherein the container body comprises a non-oriented polypropylene resin sheet, and the lid comprises a oriented polypropylene resin sheet.   The blister package according to claim 1, wherein the container body comprises a polyvinyl chloride resin sheet and the lid comprises an amorphous polyethylene terephthalate sheet.   The blister package according to any one of claims 1 to 3, wherein the lid material contains an aluminum foil.   The blister package according to claim 1, wherein the blister package is divided into a plurality of packaging singles by cutting lines such as incisions or perforations.   The blister package according to claim 1 or 5, wherein a peeling notch whose both ends are in communication with both end surfaces of the container main body is provided on the peripheral portion of each content accommodation concave portion.   In the seal layer formed by heat-sealing the container body and the lid material so as to be peelably releasable, the peeling start end portion from the peeling cut to the content storage concave portion is used as a weak seal layer portion. Item 6. The blister package according to Item 6.

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