JP5543700B2 - Lid and container using the same - Google Patents

Description

  The present invention relates to a lid and a container using the lid.

  Currently, a large number of plastic containers are on the market. Among these plastic containers, for example, some plastic containers used for foods such as pudding are provided with a spoon as a separate body or as an integral part of the lid.

  As an example of a plastic container lid attached with a spoon as described above, for example, in Patent Document 1 below, a lid top plate on which a peeling layer is formed is integrally molded with the lid and the spoon is integrally molded via the peeling layer. A covered lid with a spoon and a method for manufacturing the same are disclosed.

JP-A-8-91416

  However, in the above-mentioned Patent Document 1, although the spoon and the lid are integrally molded, since most of the lid top plate has a structure mainly composed of paper, there remain problems in mechanical strength and sealing performance. Even in the injection molding that is a manufacturing method, there remains a problem in the fluidity of a resin as a material.

  Then, an object of this invention is to provide a novel cover body and a container using the same in view of the said subject.

  That is, the lid according to one means of the present invention includes a lid main body portion, a tableware portion, and a sealing material disposed between the lid main body portion and the tableware portion.

  Further, in this means, although not limited, it is also desirable that the lid main body part and the tableware part are connected via a connection part, and although not limited, the lid main body part and the tableware are not limited. It is also desirable that the part is formed integrally.

  Further, in this means, the tableware portion is not limited, but it is also desirable that the tableware portion is any one of a spoon, a fork, a knife and a spatula.

  Further, a container according to one means of the present invention can be fitted to a lid body having a lid main body portion, a tableware portion, and a seal member disposed between the lid main body portion and the tableware portion, and the lid body. And a container that forms a storage space by the bottom and the body.

  As described above, according to the present invention, a novel lid and a container using the same can be provided.

  Embodiments of the present invention will be described below with reference to the drawings. However, the present invention can be implemented in many different modes and is not limited to the embodiments shown below. Note that in this specification, portions having the same or similar functions are denoted by the same reference numerals, and repeated description thereof is omitted.

(Embodiment 1)
First, FIG. 1 is an inner view (viewed from the inside of the container) of the lid body 1 in the container according to this embodiment, FIG. 2 is an outer view (viewed from the outside of the container), and FIG. AA ′ cross-sectional view in FIG. 1 is shown, and FIG. 4 is a BB ′ cross-sectional view in FIG.

  As shown in FIGS. 1 to 4, the lid body 1 is configured to include a lid body portion 2, a spoon 3, and a sealing material 4 disposed between the lid body portion 2 and the spoon 3. Yes. In particular, as shown in FIG. 3, in the lid body 1 according to the present embodiment, the lid main body portion 2 and the spoon 3 are integrally molded via a connection portion 5 that penetrates the sealing material 4.

  As shown in FIG. 1 to FIG. 4, the lid body 2 in the lid 1 is one of the main parts of the lid, and functions as a lid 21 that is molded so that it can be fitted to the vessel 6. It can be divided roughly into the top plate part 22 to be performed. The cross-sectional shape of the top plate portion 22 may be a dome shape that rises toward the center portion, or may be a flat plate shape. Further, the planar shape may be a circle or an ellipse, and various shapes such as a quadrangle with rounded corners can be adopted and is not particularly limited. As shown in FIGS. 1 to 4, the lid 1 according to the present embodiment has a circular planar shape and a dome-shaped cross section.

  The material of the lid body 2 is not particularly limited as long as it can be integrally molded, and is a so-called thermoplastic plastic such as acrylonitrile-butadiene-styrene copolymer (ABS), polyethylene resin (PE), polypropylene resin (PP), Polystyrene resin (PS), polycarbonate resin (PC), polybutylene terephthalate resin (PBT), polyethylene terephthalate resin (PET), polyoxymethylene resin (POM), polyvinyl chloride (PVC), acrylic resin (PMMA), etc. are used. be able to.

  Further, as shown in FIGS. 1 to 4, the sealing material 4 is disposed by being adhered to the inner surface side of the lid main body 2 and is disposed so as to cover the entire top plate portion 22 of the lid main body 2. ing. The material of the sealing material 4 is not particularly limited as long as it can be bonded to the lid main body 2. For example, a plastic film, an aluminum thin film, paper, synthetic paper, or the like can be suitably used. In the present embodiment, the sealing material 4 is disposed so as to cover the entire lid body 2, but may not cover the entire lid body 2 as long as it is wider than the spoon 3.

  As shown in FIGS. 1 to 4, the spoon 3 is a tableware part that is removed and used when the container is opened and the food stored in the container 6 is taken out. Here, the “tableware section” refers to a meal utensil that can perform operations such as scooping, stabbing, and cutting food, and in this embodiment, it is a spoon as an example. A knife or even a spatula can be used, and the details can be appropriately adjusted according to the shape of the knife.

  The spoon 3 can be structurally divided into a dish portion 31 and a handle portion 32. The dish portion 31 is a portion on which food is placed when taking out the food contained in the container, and in FIG. 1 to FIG. 4, the dish portion 31 has a substantially oval shape with a recess, but is not limited thereto. Further, a raised portion 33 for reinforcing the strength of the spoon is formed around the dish portion 31.

  The handle portion 32 of the spoon 3 is a portion for gripping when the spoon is used, and has a long plate shape. A raised portion 33 for reinforcing the strength of the spoon 3 is also formed around the handle portion 32 in the same manner as the plate portion 31. Moreover, the penetrating hole 34 is formed in the handle 32, and the hole 34 is opposed to the axial direction (BB ′ axial direction in FIG. 1) connecting the spoon 3 and the lid main body 2. A pair of connecting portions 5 is formed. The handle portion 32 of the spoon 3 is formed with a raised portion 35 connected to each of the pair of connecting portions 5 (as will be described in detail in a later manufacturing method, the raised portion 35 is a molten material). Is a flow path through which The shape of the hole 34 is not particularly limited as long as an effect in the manufacturing process described later is achieved, and may be, for example, a circle, an ellipse, or a polygon. In addition, since the material of the spoon 3 is integrally molded with the lid body 2, the same material as the lid body 2 can be employed. Moreover, although the number of the connection parts 5 has shown two examples in this embodiment, it is not restricted to this, It is also possible to have three or more.

  The lid 1 can accommodate and store food such as yogurt by fitting with the container 6. FIG. 5 shows a perspective view of the container in a state where the lid 1 and the container 6 are fitted. Further, as shown in FIG. 5, the container 6 is not particularly limited as long as it forms an accommodation space by the bottom and the body and can be fitted to the lid 1. In addition, the same material as that of the lid can be used for this material.

  In addition, the spoon which concerns on this embodiment can isolate | separate from the cover main-body part 2 by cut | disconnecting the connection part 5 when opening a container, and can be used. In particular, according to the present embodiment, even if the spoon is removed, no hole is formed in the lid body, so that the container can be used repeatedly.

  As described above, the lid according to the present embodiment and the container using the lid do not have a hole in the lid main body portion 2 while integrally forming a spoon, so that the mechanical strength and the sealing performance are excellent. Become.

  Next, a method for manufacturing a lid according to the present embodiment and a mold used therefor will be described. First, FIG. 6 is a cross-sectional view of a mold for manufacturing a lid, and more specifically, shows a cross-section corresponding to the cross section along line B-B ′ in FIG. 1.

  As shown in FIG. 6, the mold according to this embodiment includes a mold (hereinafter referred to as “outer side mold”) 82 that forms the outer surface side of the lid body and a mold (hereinafter referred to as “the outer surface side mold”) that forms the inner surface side of the lid body. It is referred to as “inner surface side mold”) 81. Further, as shown in FIG. 6, these molds are combined with each other to form a space with irregularities inside, and the molten material from the gate 83 is injected into this space to integrally mold the lid according to this embodiment. can do. In addition, when inject | pouring the melted material, the sealing material 4 is previously arrange | positioned on the inner surface side metal mold | die 81, and functions as a partition for isolate | separating a cover main-body part and a spoon.

  Further, in the inner surface side mold 81 according to the present embodiment, a label holding portion 84 having a cut rib molded portion 811 is provided in the vicinity of the position where the gate 83 is disposed when combined with the outer surface side mold 82. Is formed. FIG. 7 is a perspective view of the vicinity of the region C surrounded by the dotted line in FIG. 6 (only the inner surface side mold 81). In the present embodiment, the gate 83 is positioned on the label holding portion 84 as described above. As will be described later, the planar shape of the label holding portion 84 includes a rib molding portion 811 that is cut so that a part of the sealing material 4 can be broken to form the connecting portion 5 that connects the spoon and the lid main body portion. As long as there is no particular limitation, various shapes such as a circle, an ellipse, and an indefinite shape can be adopted, and the shape is not particularly limited. FIG. 8 also shows a top view, a D-D ′ line cross-sectional view, and an E-E ′ line cross-sectional view in the vicinity of the label holding portion when the outer surface side mold and the inner surface side mold are combined.

  Next, the flow when the molten material is poured into the mold will be described. FIG. 9 shows the flow when the material is injected into the portion shown in FIG. More specifically, when a material is first flowed from the gate 83, the molten material is a space between the outer surface side mold and the inner surface side mold, and is a space 85 located in the outer surface side mold than the sheet material 4. Filled. On the other hand, when the material is injected from the gate 83, a strong pressure is applied to the sheet material on the upper part of the rib molding portion 811 where the label holding portion 84 is cut, but there is no support below this, so the sheet material of this portion is Break. As a result, a flow path is formed in the space 86 between the sheet material 4 and the inner surface side mold 81, and the resin is filled. That is, by this flow, the lid body portion and the spoon are integrally molded, and the portion where the sheet material is broken remains as the connection portion, and the lid body that maintains the mechanical strength and the sealing performance and the container using the lid body. It can be manufactured. As a result of this manufacturing process, a hole corresponding to the label holding portion 84 is formed in the spoon according to this embodiment.

  As described above, by doing this, it is possible to obtain a lid body that is excellent in mechanical strength and sealing properties, and also excellent in fluidity of the material melted in the manufacturing process, and a container using the lid body.

(Embodiment 2)
The lid according to the present embodiment is almost the same as that of the first embodiment except that the gate is not in the outer surface side mold but in the inner surface side mold. Hereinafter, mainly different points will be described.

  FIG. 10 is a cross-sectional view of a mold for manufacturing the lid according to the present embodiment, and FIG. 11 is a top view and a cross-sectional view of the vicinity of the gate of the mold for manufacturing the lid according to the present embodiment. FIG. 12 is a top view and a cross-sectional view of the vicinity of the gate of the mold for manufacturing the lid according to the present embodiment, and a view for explaining the flow of the melted material is shown.

  As shown in FIG. 10, in this embodiment, a gate 83 is formed in the vicinity of the center of the label holding portion 84 of the inner surface side mold. In this embodiment, since it is necessary to supply the melted material from the inner surface side mold to the space 85 located on the outer mold side of the sheet material 4, the sheet material 4 is previously provided with holes according to the position of the gate 83. 41 is formed.

  As shown in FIGS. 11 and 12, in the present embodiment, when the molten material is injected into the mold according to the present embodiment, the molten material injected from the gate 83 is separated from the inner surface side mold and the outer surface side. A space 85 between the mold and the space 85 on the outer mold side of the sheet material 4 is filled. On the other hand, when the melted material is injected from the gate 83, the sheet material on the upper part of the rib molding portion 811 where the label holding portion 84 is cut is broken as in the first embodiment. As a result, as in the first embodiment, a flow path is formed in the space 86 between the sheet material 4 and the inner surface side mold 81, and the resin is filled. That is, this flow makes it possible to integrally mold the lid main body portion and the spoon.

  As described above, also in the present embodiment, as in the first embodiment, it is possible to obtain a lid body that is excellent in mechanical strength and sealing property and excellent in fluidity of a material melted in a manufacturing process, and a container using the same. it can.

  The lid and container according to the present invention have industrial applicability as containers for food such as yogurt, pudding, butter, margarine and the like. Of course, as long as the effect of this container is utilized, it is applicable also to uses other than foodstuffs.

FIG. 3 is an inner surface view of the container lid 1 according to the first embodiment. FIG. 3 is an external view of the container lid 1 according to the first embodiment. It is A-A 'sectional drawing in FIG. It is B-B 'sectional drawing in FIG. 2 is a perspective view of a container according to Embodiment 1. FIG. 2 is a cross-sectional view of a mold for manufacturing the lid according to Embodiment 1. FIG. FIG. 3 is a perspective view of a label holding unit of a mold for manufacturing the lid according to the first embodiment. FIG. 6 is a top view and a cross-sectional view of the vicinity of a gate of a mold for manufacturing the lid according to the first embodiment. It is the top view and sectional drawing of the gate vicinity of the metal mold | die for manufacturing the cover body concerning Embodiment 1, Comprising: It is a figure explaining the flow of the fuse | melted material. 6 is a cross-sectional view of a mold for manufacturing a lid according to Embodiment 2. FIG. FIG. 6 is a top view and a cross-sectional view of the vicinity of a gate of a mold for manufacturing a lid according to a second embodiment. It is the top view and sectional drawing of the gate vicinity of the metal mold | die for manufacturing the cover body concerning Embodiment 2, Comprising: It is a figure explaining the flow of the fuse | melted material.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Lid body, 2 ... Lid body part, 3 ... Spoon, 4 ... Sealing material, 5 ... Connection part, 6 ... Container, 7 ..., 21 ... Gutter part, 22 ... Top plate part, 31 ... Dish part, 32 ... Handle part, 33, 35 ... Raised part, 34 ... Hole part, 41 ... Hole, 81 ... Inner side mold, 82 ... Outer side mold, 83 ... Gate, 84 ... Label holding part, 85 ... Space, 811 ... Rib Molding part

Claims (2)

A lid body,
Tableware,
And a sealing member disposed between the lid main body and the tableware part,
The lid body part and the tableware part are connected via a plurality of connecting parts,
The lid body part and the tableware part are integrally formed,
The collar part and the top plate part constituting the lid main body part are integrally molded,
The tableware portion and the lid body portion, Ru integrally molded via the plurality of connection portions penetrating the sealing member, the lid. The lid according to claim 1;
A container that can be fitted with the lid and has a container that forms a storage space by a bottom portion and a trunk portion.