Lid and storage package

Abstract

To provide a lid that is environmentally friendly and allows a stored object to be visually recognized, and a containment package equipped with the lid.SOLUTION: A lid body 30 is caused to adhere to a container body 10 having an accommodation recess 12 that opens toward one side so as to seal the accommodation recess 12. The lid body 30 is provided with a base material 31 and an opaque layer portion 32 which are laminated to each other. The base material 31 contains a paper material and has translucent or transparency. At the translucent layer portion 32, an opening 32a is provided so that at least a part of an object housed in a housing recess 12 is visible through the base material 31 in a position where the lid body 30 is bonded to the container body 10 and overlaps the accommodation recess 12.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present invention relates to a lid and a storage package. [Background technology]

[0002] Japanese Patent Laid-Open Publication No. 06-206285 (Patent Document 1) discloses a lid used in conventional blister packaging in which a sealing layer, an intermediate layer, and a heat-sealable layer are laminated in this order on a base material such as tissue paper.

[0003] In the lid disclosed in Patent Document 1, after the contents are placed in a transparent container having a storage pocket, the lid is attached to the container by a heat-sealable layer. By using specific resins and resin compositions for each layer, it is possible to prevent the intermediate layer and the filling layer from flowing in conjunction with the flow of the heat-sealing layer when the lid is heat-sealed to the container body. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Publication No. 06-206285 Summary of the Invention [Problem to be solved by the invention]

[0005] In recent years, there has been a demand for reducing the environmental impact, and environmentally friendly materials such as paper materials are sometimes used not only for lids but also for containers that contain contents. When containers are made of such materials, the containers become opaque. For this reason, there is a demand for lids that can be used for opaque containers.

[0006] Here, if the container body is opaque and a lid body is used in which the sealing layer, intermediate layer, and heat sealable layer entirely cover one side of the base material as disclosed in Patent Document 1, the contents contained in the container body cannot be seen from the outside.

[0007] In order to ensure visibility of the contents, it is conceivable to use a transparent lid made of a synthetic resin film such as a polypropylene film or a polyester film, but synthetic resin films impose a large burden on the environment.

[0008] The present invention has been made in consideration of the above-mentioned problems, and an object of the present invention is to provide a lid body that is environmentally friendly and allows the contents contained therein to be visually confirmed, and a storage package equipped with such a lid body. [Means for solving the problem]

[0009] The lid of the present disclosure is a lid that is adhered to a container having a storage recess that opens toward one side, thereby sealing the storage recess. The lid includes a base material and an opaque layer that are laminated together. The base material includes a paper material and is semi-transparent or transparent. The opaque layer has an opening at a position that overlaps with the storage recess when the lid is adhered to the container, such that at least a portion of the contents accommodated in the storage recess can be seen through the base material.

[0010] In the lid of the present disclosure, the substrate has a front surface facing the opposite side to the side where the container is located in the bonded state, and in this case, the opaque layer portion may include a design layer or an opaque substrate provided on the front surface.

[0011] In the lid of the present disclosure, the opaque layer may include a paper material.

[0012] In the lid of the present disclosure, the base material has a back surface facing the container body in the bonded state. The lid further includes an adhesive layer provided on the back surface. In this case, the adhesive layer may include a non-adhesive region that has no adhesiveness or a weakly adhesive region that has lower adhesiveness than other portions in a region that overlaps with the storage recess in the bonded state.

[0013] In the lid of the present disclosure, the base material in the portion exposed from the opening may be coated with a paint that increases light transmittance.

[0014] The storage package of the present disclosure includes a container body having a storage recess that opens to one side and stores an object in the storage recess, and a lid body. The lid body is adhered to the container body and seals the storage recess.

[0015] In the storage package of the present disclosure, it is preferable that the container body is opaque.

[0016] In the storage package of the present disclosure, the container body may be formed of a molded body including a paper material. Effect of the Invention

[0017] According to the present invention, it is possible to provide a lid body that is environmentally friendly and allows the contents contained therein to be visually confirmed, and a storage package including the lid body. [Brief description of the drawings]

[0018] [Figure 1] FIG. 2 is a plan view of the storage package according to the first embodiment. [Diagram 2] 2 is a cross-sectional view of a storage package according to the first embodiment. FIG. [Diagram 3] FIG. 11 is a cross-sectional view of a storage package according to a second embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0019] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following preferred embodiments, the same or common parts are designated by the same reference characters in the drawings, and the description thereof will not be repeated.

[0020] (Embodiment 1) Fig. 1 is a plan view of a storage package according to embodiment 1. Fig. 2 is a cross-sectional view of the storage package according to embodiment 1, taken along line II-II shown in Fig. 1. The storage package 100 according to embodiment 1 will be described with reference to Figs. 1 and 2.

[0021] As shown in FIGS. 1 and 2, the storage package 100 includes a container body 10, an item to be contained 20, and a lid body 30. As shown in FIG.

[0022] The container body 10 includes a main body 11 and a storage recess 12. The main body 11 has a generally plate-like shape. The main body 11 is provided so as to be generally parallel to the opening surface of the storage recess 12. The main body 11 has a front surface 11a. The front surface 11a faces the lid body 30 when the lid body 30 is adhered to the container body 10.

[0023] The accommodating recess 12 is provided in the main body 11 so as to open to one side. More specifically, the accommodating recess 12 opens toward the front surface 11a of the main body 11. The accommodating recess 12 is provided so as to be able to accommodate an object to be accommodated. The shape of the accommodating recess 12 can be appropriately set depending on the object to be accommodated.

[0024] In this embodiment, a case where one accommodating recess 12 is provided in main body portion 11 is illustrated as an example, but a plurality of accommodating recesses 12 may be provided in main body portion 11.

[0025] The container body 10 is, for example, a blister container for storing food, medicine, sanitary products, miscellaneous goods, daily necessities, etc., but is not limited thereto. The container body 10 may be a paper box having an opening. In this case, the paper box may be manufactured by folding paper. When the container body 10 is made of paper, the paper may be selected from fine paper, coated paper, lined paper, impregnated paper, cardboard, art paper, coated paper, craft paper, coated cardboard, ivory paper, card paper, cup base paper, etc., as appropriate.

[0026] The container body 10 may be configured, for example, by a molded body containing a paper material. As the molded body containing a paper material, for example, a pulp molded body or a sheet molded body can be adopted.

[0027] The pulp molded body is made from a solution of pulp fibers produced by mixing waste paper (paper materials) such as newspapers, magazines, and cardboard with water. The pulp molded body is formed by immersing a metal mold in the solution, drawing a vacuum inside the metal mold, and drying the pulp fibers adsorbed on the surface of the metal mold. The container body 10 is made of a pulp molded body, which reduces the burden on the environment.

[0028] The sheet-shaped body is formed by compressing a sheet-shaped base material in which paper material and other materials are mixed. The other materials include environmentally friendly materials, plant-derived resins, or mixtures thereof. The environmentally friendly materials may be natural fibers such as pulp, wool, cotton, and hemp, semi-synthetic fibers such as rayon, acetate, and cupra, or biodegradable resins such as polylactic acid, polycaprolactone, and polyhydroxyalkanoate. The plant-derived resins may be polylactic acid, biopolyester, and biopolyethylene. The container body 10 may be formed from such a sheet-shaped body, thereby reducing the burden on the environment. The sheet-shaped base material may be a nonwoven fabric sheet.

[0029] As the contents 20, the above-mentioned food, medicines, sanitary products, miscellaneous goods, daily necessities, etc. can be suitably adopted.

[0030] The lid 30 is adhered to the container 10 having the storage recess 12 that opens to one side, thereby sealing the storage recess 12.

[0031] The lid body 30 includes a base material 31, an opaque layer 32, an adhesive layer 33, and a paint 35. The base material 31 is formed in a sheet shape and has a front surface 31a and a back surface 31b which are in a front-back relationship. In a state where the lid body 30 is adhered to the container body 10, the front surface 31a faces the side opposite to the side on which the container body 10 is located.

[0032] The substrate 31 is preferably a thin, transparent substrate made of plant-derived or natural materials, and when paper is used, the environmental impact can be further reduced. The substrate 31 is more preferably made mainly of paper, and may be configured by laminating paper and plant-derived materials. The substrate 31 may be made of paper alone.

[0033] The paper material preferably has a haze value of 99% or less, more preferably 75% or less. The haze value is measured using an ultraviolet-visible spectrophotometer UV-2600 (manufactured by Shimadzu Corporation) and a haze meter NDH7000 (manufactured by Nippon Denshoku Industries Co., Ltd.).

[0034] Examples of paper materials having such a haze value include tracing paper, glassine paper, and cellulose paper. The haze value of tracing paper is greater than 75% and is not more than 99%, and it is semi-transparent. On the other hand, the haze value of glassine paper is not more than 75%, and it is transparent. The haze value of cellulose paper is not more than 10%, and it is transparent.

[0035] In this embodiment, paint 35 is applied to the front surface 31a of a portion exposed from an opening 32a of the opaque layer portion 32 described below. Note that paint 35 may be applied to the entire front surface 31a, or may be applied to a portion of the front surface 31a of the exposed portion.

[0036] By applying the paint 35 to the front surface 31a, the smoothness of the front surface 31a is improved, which suppresses light scattering and improves transparency. For example, the haze value of the portion to which the paint is applied can be set to 55% or less. This makes it easier to view the contents 20 accommodated in the accommodation recess 12 through the opening 32a and the portion of the base material 31 exposed from the opening 32a.

[0037] For example, varnish can be used as the paint 35. As the varnish, various known varnishes such as those using polyimide resin, polyester resin, or epoxy resin can be used.

[0038] The opaque layer portion 32 is laminated on the base material 31. Specifically, the opaque layer portion 32 is formed on the front surface 31a of the base material 31. In the present embodiment, the opaque layer portion 32 is constituted by a design layer.

[0039] The design layer is a printed layer on which various design indications such as the product name, a pattern, ingredient indication, a barcode, a two-dimensional code, a warning notice, etc. The design layer is formed by printing an ink containing a binder resin and a colorant by a known printing method.

[0040] The opaque layer portion 32 has an opening 32a at a position that overlaps with the storage recess 12 in the above-mentioned bonded state. The opening 32a exposes the base material 31 that is semi-transparent or transparent.

[0041] The adhesive layer 33 is provided on the back surface 31b of the base material 31. The adhesive layer 33 is made of, for example, a pressure-sensitive adhesive, a heat-sensitive adhesive, or the like.

[0042] The adhesive layer 33 may include a weakly adhesive region having lower adhesiveness than other portions, or a non-adhesive region having no adhesiveness, in the region R1 that overlaps with the accommodating recess 12 in the above-mentioned adhesive state.

[0043] The weak adhesion region may be formed by performing a weak adhesion treatment on the adhesive layer 33 formed in the region R1 entirely or partially. Alternatively, the weak adhesion region may be formed by not applying a pressure-sensitive adhesive or a heat-sensitive adhesive to a portion of the region R1 so that the adhesive strength is weaker than that of the region other than the region R1 where the adhesive layer 33 is provided.

[0044] The weak adhesion treatment involves applying a surface treatment liquid, such as a liquid containing a release agent such as silicone resin (e.g., ultraviolet-curable ink) or a coating liquid containing fine particles (e.g., matte ink), to a predetermined area.

[0045] When the above-mentioned weak adhesion region is formed in the adhesive layer 33, the contained item 20 can be releasably adhered to the weak adhesion region, and the contained item 20 can be prevented from rotating or moving.

[0046] The non-adhesive region may be formed by performing a non-adhesive treatment on the adhesive layer 33 formed in region R1 as a whole, or by not providing the adhesive layer 33 in region R1 as a whole.

[0047] When the non-adhesive region is formed in the adhesive layer 33, the adhesive layer 33 can be prevented from adhering to the surface of the contained item 20.

[0048] The weakly bonded region and the non-bonded region are not limited to the region R1, and may be provided so as to extend outward from the periphery of the connection between the storage recess 12 and the main body 11. In this case, the lid 30 can be easily peeled off from the container 10 from the periphery of the region R1.

[0049] As described above, in the lid 30 according to the present embodiment, the opaque layer 32 is laminated on the translucent or transparent base material 31, and the opening 32a is formed in the opaque layer 32 at a position overlapping with the storage recess 12 in the lamination direction. This makes it possible, in the above-mentioned bonded state, to view at least a part of the content 20 stored in the storage recess 12 through the opening 32a and the portion of the base material 31 exposed from the opening 32a. This effect is more pronounced when the container 10 is opaque.

[0050] In addition, since the base material 31 contains a paper material, the burden on the environment can be reduced. Furthermore, when the container body 10 is made of a molded body containing a paper material, the burden on the environment can be further reduced and the container body can be applied to a recycling-oriented society.

[0051] (Embodiment 2) 3 is a cross-sectional view of a storage package according to embodiment 2. The storage package 100A according to embodiment 2 will be described with reference to FIG.

[0052] 3, the storage package 100A according to the second embodiment differs from the storage package 100 according to the first embodiment in the configuration of the lid 30A (more specifically, the configuration of the opaque layer portion 32A). The other configurations are almost the same.

[0053] The opaque layer portion 32A includes an opaque substrate. The opaque substrate is, for example, an opaque paper substrate such as metallized paper or gloss paper, or a metal foil. As the opaque paper substrate, fine paper, coated paper, backing paper, impregnated paper, cardboard, art paper, coated paper, kraft paper, coated cardboard, ivory paper, card paper, etc. may be used.

[0054] Even when configured in this manner, the lid body 30A and the storage package 100A according to the second embodiment provide substantially the same effects as the lid body 30 and the storage package 100 according to the first embodiment.

[0055] The above-described embodiments of the present invention are illustrative and not restrictive in all respects. The scope of the present invention is defined by the claims, and includes all modifications within the meaning and scope of the claims. [Explanation of symbols]

[0056] 10 container body, 11 main body portion, 11a front surface, 12 storage recess, 20 stored item, 30, 30A lid body, 31 base material, 31a front surface, 31b back surface, 32, 32A opaque layer portion, 32a opening, 33 adhesive layer, 35 paint, 100, 100A storage package.

Claims

1. A lid body that is attached to a container body having a storage recess that opens toward one side, thereby sealing the storage recess, A substrate and an opaque layer portion laminated together, The substrate comprises a paper material and has translucency or transparency; an opening is provided in the opaque layer at a position overlapping with the storage recess when the lid body is attached to the container body, so that at least a part of the content stored in the storage recess can be seen through the base material; the substrate has a front surface facing the opposite side to the side on which the container body is positioned in the bonded state, A lid body, wherein a paint is applied to a portion of the front surface that is exposed to the outside through the opening.

2. the substrate has a front surface facing the opposite side to the side on which the container body is positioned in the bonded state, The lid according to claim 1 , wherein the opaque layer portion includes a design layer provided on the front surface or an opaque substrate.

3. The lid according to claim 1 , wherein the opaque layer portion includes a paper material.

4. A container body having an accommodating recess that opens toward one side and accommodates an object to be accommodated in the accommodating recess; The cover according to any one of claims 1 to 3, The lid body is adhered to the container body and seals the storage recess.

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