JP5232339B2 - 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 molded with a release layer is integrally molded with the lid and the spoon is integrally molded via the release 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 the resin as a material.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-mentioned problems and to provide a lid body having higher mechanical strength and sealing performance and easier to manufacture and a container using the same.

  As means for solving the above problems, a lid according to an embodiment of the present invention includes a lid body part and a tableware part that are integrally molded through a plurality of connection parts, and at least a part of the lid body part. It has the sealing material arrange | positioned covering the said tableware part, It is characterized by the above-mentioned. In this means, the number of connecting portions is preferably 2 or more, although not limited thereto. Moreover, in this means, although it is not necessarily limited, it is preferable that the lid main body part and the tableware part are separated by a notch formed corresponding to the shape of the tableware part. Further, in this means, the tableware portion is preferably a spoon, a fork, a knife or a spatula, although not limited thereto.

  Further, a container according to another aspect of the present invention covers a lid main body portion and a tableware portion that are integrally molded through a plurality of connection portions, and at least a part of the lid main body portion and the tableware portion. It is characterized by having a lid having a sealing material to be disposed, and a container that can be fitted to the lid and molds a storage space by a bottom portion and a trunk portion.

  As described above, according to the present invention, it is possible to provide a lid body having higher mechanical strength and sealing property and more easily manufactured and a container using the same.

  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 of the lid 1 in the container according to the present embodiment, FIG. 2 is an outer view (a view when the inner view of FIG. 1 is viewed from the opposite side), and FIG. -A 'sectional view is shown, and FIG. 4 is a sectional view taken along line BB' in FIG. As shown in FIG. 1, the lid body 1 is formed by integrally molding the lid body 2 and the spoon 3 by a notch 7 and via a plurality of connecting portions 4. Moreover, the cover body 1 has the sealing material 5 arrange | positioned so that a part of cover main-body part 2 and the whole spoon 3 may be covered as shown in FIG.2, FIG.3, FIG.4. In addition, the lid body 1 can receive 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.

  As shown in FIG. 1, the lid main body 2 in the lid 1 is one of the main parts of the lid, and functions as a lid with a flange 21 molded so as to be able to fit into the vessel 6. The spoon 3 can be roughly divided into the top plate portion 22 and the spoon 3 is arranged on the top plate portion 22 side. In addition, as a cross-sectional shape of the top-plate part 22, the dome shape which rises toward the center part may be sufficient, and flat shape may be sufficient. In addition, the planar shape may be a circle or an ellipse, and various shapes such as a quadrangle with rounded corners can be adopted and are not particularly limited. In this embodiment, as shown in FIGS. 1 to 4, the lid 1 according to this embodiment has a circular planar shape and a three-dimensional shape having a dome shape.

  The material of the lid body 2 is not particularly limited as long as it can be integrally molded with the spoon 3, so-called thermoplastic plastic, such as polyethylene resin (PE), acrylonitrile-butadiene-styrene copolymer (ABS), 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. can be used.

  Moreover, as FIG. 1 shows, the spoon 3 in the lid 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. It is separated by. Since the spoon 3 is molded integrally with the lid body 2, the spoon 3 is made of the same material as the lid body 2. Here, the `` tableware section '' refers to a tool that performs operations such as scooping, pricking, and cutting food, and in this embodiment, a spoon is used as an example, but is not limited thereto, for example, a fork, knife, and further It is also possible to use a spatula, and the plate portion can be adjusted as appropriate according to the shape of the plate.

  The spoon 3 can be divided into a dish portion 31 and a handle portion 32, and a gate portion 33 is molded on the handle portion 32.

  The dish part 31 of the spoon 3 is for placing the food contained in the container when it is taken out, and has a substantially elliptical shape with a depression. In addition, a raised portion 34 for reinforcing the strength of the spoon 3 is formed around the dish portion 31.

  Moreover, the handle | pattern part 32 of the spoon 3 is a part hold | gripped when holding a spoon, Comprising: It has a long plate shape. A raised portion 34 for reinforcing the strength of the spoon 3 is also formed around the handle portion 32. Furthermore, a rib 35 is formed between the plate portion 31 and the handle portion 32 for strength reinforcement at the connection portion (see FIG. 4 for the cross-sectional shape).

  Furthermore, a gate portion 33 is formed on the handle portion 32 of the spoon 3, and a plurality of connection portions 4 that connect the lid main body portion 2 and the spoon 3 are connected. In particular, in the present embodiment, four connection portions 4 are arranged radially and at equal distances from the gate center 331 in the gate portion 33, but the number of connection portions may be two or more. Further, the gate portion 33 is a portion used as an inlet (gate) for the melted material in the lid manufacturing method to be described later. In this embodiment, a portion raised in an arc shape with respect to the width direction of the handle portion 32 is used. Have.

  This is designed so that when the molten material from the gate is injected into the mold during the manufacturing process of the lid, it can be injected almost simultaneously into the plurality of connecting portions 4, thereby facilitating the manufacture. . That is, in the example of the conventional lid, it is necessary to inject the molten material into the lid frame from a distant position on the center axis of the spoon such as the tip of the spoon plate or the tip of the handle. Then, by arranging the plurality of connecting portions 4 radially from the gate center 331, the injection port can be brought closer to the gate center, and it is possible to more easily inject molten material into the lid main body portion 2, and it is easy to manufacture. There is. In particular, in the present embodiment, since the plurality of connection points 4 are arranged at equal distances from the gate center 331, ideally, it is possible to inject the molten material at any connection part 4 at the same time. Further, in the present lid 1, when removing the spoon 3 from the lid body 2, it is considered that the spoon 3 is peeled off while pressing the vicinity of the gate 33 from the outer surface side (the seal material 5 side) of the lid. The lid according to this embodiment can transmit the force pushing the vicinity of the gate portion 33 to the connecting portion 4 more effectively by making such a configuration, and the spoon 3 can be removed more easily. become able to. Further, in the present embodiment, since the connecting portion 4 is also arranged near the center of the lid main body portion 2, the lid main body portion 2 is also molded near the center, and the lid main body portion 2 is made wider than the conventional technique. This contributes to improving the strength of the lid.

  Moreover, the sealing material 5 in the lid is arranged so as to cover a part of the lid main body 2 and the whole spoon 3 as described above, more specifically, a part of the lid main body 2, It arrange | positions so that the spoon 3, the connection part 4, and the notch 7 may be covered, and when the cover body 2 and the container 6 fit, it seals so that air may not enter into the inside of a container. The shape is not limited as long as the above functions are exhibited, but an elliptical shape, a circular shape, or the like is desirable from the viewpoint of design as a label for a container and from the viewpoint of sufficiently covering a spoon or notch. In this embodiment, as shown in FIG.

  The material of the sealing material 5 is not particularly limited as long as it has a hermetic property that does not allow air or moisture to pass therethrough and can be bonded to the lid main body 2. For example, plastic film, paper, aluminum thin film At least one of the synthetic papers can be preferably used.

  The container 6 to be fitted to the lid 1 is not particularly limited as long as the storage space can be molded by the bottom and the body. In addition, this material can be the same material as the lid.

  Next, the manufacturing method of the said cover body 1 is demonstrated using FIG. FIG. 6 is a cross-sectional view of a mold for manufacturing the container, and more specifically corresponds to a cross-section taken along line B-B ′ in FIG. 1.

  As shown in FIG. 6, the lid can be manufactured by pouring molten material from a gate 83 into a pair of molds 81 and 82 that are combined so that a recess corresponding to the shape of the lid described above is molded. It is.

  Further, as described above, a sealing material that covers a part of the lid main body portion, the spoon, and the cutout is disposed on the lid, and this sealing material 5 is preliminarily formed in one of the molds 81 and 82 in one of the molds. It is provided in the mold and manufactured by adhering it properly to the lid body and spoon. In this case, it is preferable that the spoon and the lid main body have appropriate adhesiveness so that the spoon can be easily detached from the lid main body while the inside of the container is kept sealed. As shown in FIG. 6, in this embodiment, the sealing material 5 is arranged in advance on one mold (on the one mold 82 side in FIG. 6).

  In the present embodiment, it is desirable that the gate 83 is formed on the inner surface side of the lid, and the molten material is injected from the inner surface side. If the melted material is injected from the inner surface side, it is not necessary to make a hole by the gate 83 in the sealing material 5 even when the sealing material is preliminarily arranged in the mold, so that the sealing performance is improved. There is an advantage that can be maintained.

  As described above, according to this container, it is possible to provide a lid body that has higher mechanical strength and sealability and is easier to manufacture, and a container using the same.

  Moreover, in this embodiment, although the connection part 4 which connects the spoon 3 and the lid | cover main body part 2 has described four examples, the number is not restricted to this, Two may be sufficient, There can be more than one. However, the shape of the lid is desirably an even number from the viewpoint of symmetry, and more desirably an even number of 4 or more from the viewpoint of ease of pouring the molten material.

  Furthermore, in this embodiment, although the connection part 4 is not provided in each front-end | tip part of the plate part 31 of the spoon 3, and the handle | pattern part 32, as long as it has the structure of the said embodiment, it does not interfere.

(Embodiment 2)
The present embodiment is substantially the same as the first embodiment, but the position of the gate center 331 is different. Specifically, one feature is that the gate center 331 in this embodiment is molded not on the inner surface side of the lid but on the outer surface side.

  7 is an external view of the lid according to the present embodiment, FIG. 8 is a cross-sectional view along CC ′ in FIG. 7, FIG. 9 is a cross-sectional view along DD ′ in FIG. 7, and FIG. The figure explaining the manufacturing process of the cover which concerns on is shown, respectively.

  As shown in FIGS. 7 to 10, the lid body 1 in this embodiment is substantially the same as the lid body in the first embodiment, but a hole is provided in a portion corresponding to the gate center 331 in the sealing material 5. However, like the above-described embodiment, the lid and the container using the lid have a high mechanical strength and a high sealing property, and are easier to manufacture.

  The lid manufacturing method according to the present embodiment is substantially the same as that of the first embodiment, but is characterized in that molten material is injected from the outer surface direction of the lid, as shown in FIG. Thereby, the cover body concerning this embodiment can be manufactured.

  As described above, according to the present lid body and a container using the same, it is possible to provide a lid body having higher mechanical strength and sealing performance and more easily manufactured and a container using the same.

  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 lid according to the first embodiment. 3 is an external view of a lid according to Embodiment 1. FIG. It is A-A 'sectional drawing of the cover body in FIG. FIG. 3 is a B-B ′ sectional view of the lid body in FIG. 2. 2 is a perspective view of a container according to Embodiment 1. FIG. It is a figure explaining the manufacturing process of the cover which concerns on Embodiment 1 (when providing a gate in the inner surface side). 6 is an external view of a lid according to Embodiment 2. FIG. It is C-C 'sectional drawing of the cover body in FIG. It is D-D 'sectional drawing of the cover body in FIG. It is a figure explaining the manufacturing process of the cover which concerns on Embodiment 2 (when providing a gate in the outer surface side).

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Lid body, 2 ... Lid body part, 3 ... Spoon, 4 ... Connection part, 5 ... Sealing material, 6 ... Container, 7 ... Notch, 8 ... Mold, 21 ... Gutter part, 22 ... Top plate part, 31 ... Plate part, 32 ... Handle part, 33 ... Gate part, 34 ... Raised part, 35 ... Rib, 81, 82 ... Mold, 83 ... Injection port, 331 ... Center of gate

Claims (1)

A lid body part and a tableware part molded integrally through a plurality of connecting parts, and a lid body having a sealing material arranged to cover at least a part of the lid body part and the tableware part;
A container that can be fitted with the lid and has a container for molding a storage space by a bottom part and a body part ,
A gate part is molded in the tableware part,
The gate part is a part used as an inlet for molten material in the manufacturing method of the lid,
The plurality of connection portions are arranged around the gate portion,
The tableware portion and the lid body portion are separated by a notch,
The sealing material is disposed so as to cover the plurality of connection portions and the notches,
The sealing material is bonded to the lid main body,
The said sealing material is a container which seals the inside of the said container when the said cover body and the said container are fitted .