JP2018115002A - Packaging container with lid - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging container with a lid which keeps the lid from coming off the container during normal use to achieve high sealing performance, and which is inexpensive and excellent in design property.SOLUTION: In a packaging container with alid 10, a step-mating part 33, a lid protrusion part 34, a lid folding part 35 and a lid horizontal end part 36 are provided at substantially an outer periphery of a lid 30. A part to be step-mated 23, a main body protrusion part 24, a main body folding part 25 and a main body horizontal end part 26 are provided at substantially an outer periphery of a main body 20. The step-mating part 33 is externally mated with the part to be step-mated 23 in a detachable manner, and the main body 20 is almost sealed by the lid 30. In a sealed state, the lid protrusion part 34, the lid folding part 35 and the lid horizontal end part 36 are arranged so as to substantially conform to a main body protrusion part 24, a main body folding part 25 and a main body horizontal end part 26, respectively. Protrusion positions of the outer end of the lid horizontal end part 36 and the outer end of the main body horizontal end part 26 almost coincide with each other.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a packaging container with a lid made of synthetic resin in which food, foodstuffs, and the like are accommodated.

  2. Description of the Related Art Conventionally, a packaging container with a lid that is externally fitted so as to cover a fitting portion of a synthetic resin packaging container with a fitting portion of a synthetic resin lid is known. For example, Patent Document 1 discloses that a front end of a lid hanging portion that is externally fitted so that a fitting portion of a lid covers a fitting portion of a packaging container and that hangs downward from an outer end of the fitting portion of the lid. A packaging container with a lid is disclosed in which a lid projecting part projecting inward is formed and the lid projecting part is locked to the lowest part of the container hanging part that hangs downward from the fitted part of the packaging container. Yes.

JP-A-9-202340

  By the way, the packaging container with a lid of patent document 1 is the lowermost part of the container hanging part that hangs downward from the fitted part of the packaging container, and the lid hanging part that hangs downward from the outer end of the lid fitting part. By locking the lid protrusion provided at the tip of the lid, the lid is difficult to come off from the container, and the sealing performance is enhanced. However, in the structure of the packaging container with a lid, the container hanging portion is provided so as to hang downward from the fitted portion of the packaging container, and the lid hanging portion is formed so as to hang downward from the outer end of the fitting portion of the lid. Since it is provided and further provided with a lid protrusion, the entire periphery of the lidded packaging container is in a suspended shape, which is inferior in design. In addition, since the container suspending portion that hangs down considerably long, the lid suspending portion that hangs down considerably long, and the lid protruding portion are formed on the periphery of the container, there is a problem that an extra synthetic resin material is required and the cost is increased. For this reason, there is a need for a packaging container with a lid that is easy to remove from the container and improves hermeticity, and that is low in cost and excellent in design.

  The present invention is proposed in view of the above problems, and an object of the present invention is to provide a packaging container with a lid that is not easily detached from the container and can obtain a high hermeticity and is excellent in design at low cost. And

The packaging container with a lid of the present invention includes a synthetic resin lid and a synthetic resin container body, and a step-like step fitting portion that descends outward on the substantially outer periphery of the lid, and the step fitting. A lid projecting portion that extends outward from the joint portion, a lid folded portion that extends upward from the outer end of the lid projecting portion, and extends substantially horizontally outward from the outer end of the lid folded portion. A horizontal end of the lid is provided, on the substantially outer periphery of the container body, a stepped stepped portion that descends outward, a main body projecting portion that projects outward from the stepped portion, and A main body folding portion extending upward from the outer end of the main body protruding portion to the outside and a main body horizontal end portion extending substantially horizontally from the outer end of the main body folding portion to the outside are provided, and the stepped portion is The step fitting portion is detachably fitted outside and the container body is substantially sealed with the lid. In the fitted state, the lid protruding portion, the lid folding portion, and the lid horizontal end portion are arranged so as to substantially follow the body protruding portion, the body folding portion, and the body horizontal end portion, respectively, and the lid The protruding positions of the outer end of the horizontal end and the outer end of the main body horizontal end are substantially the same.
According to this, the lid and the container main body are substantially sealed by external fitting, and the lid protruding portion, the lid folded portion, and the lid horizontal end portion substantially follow the body protruding portion, the body folded portion, and the body horizontal end portion, respectively. In addition, the protruding position of the outer end of the lid horizontal end and the outer end of the horizontal end of the main body is substantially the same in the shape of a tray, so that the lid can be removed when the packaging container with lid is lifted from below. Can be reliably prevented, and it is difficult for the lid to be removed by an external force or vibration at all times, and a high sealing property between the lid and the container body can be obtained. Accordingly, it is possible to obtain a packaging container with a lid in which the sealed state can withstand transportation and the like without using a configuration that maintains a further sealed state such as fastening the container body and the lid containing food, foodstuffs, etc. with an adhesive tape. . Moreover, since it is not necessary to form the drooping part which hangs down long on a lid | cover or a container, it is not necessary to use an extra synthetic resin material, and it can reduce manufacturing cost and can improve design property.

In the packaging container with a lid of the present invention, the peripheral wall portion of the step fitting portion is always urged by at least a part of the peripheral wall portion of the step fitting portion, and the outer end of the lid horizontal end portion and the main body The protruding position of the outer end of the horizontal end is substantially the same.
According to this, at least a part of the peripheral wall portion of the step fitted portion constantly urges the peripheral wall portion of the step fitting portion, and the protruding position of the outer end of the lid horizontal end portion and the outer end of the main body horizontal end portion Therefore, it is possible to give elasticity and flexibility in the inner and outer directions to the horizontal end of the lid, and the user intentionally covers the lid with the elasticity and flexibility of the horizontal end of the lid. The lid can be removed smoothly when the removal operation is performed.

In the packaging container with a lid according to the present invention, a distance between a lower end portion of the outer end of the lid horizontal end portion and an upper end portion of the outer end of the main body horizontal end portion in the fitted state is 1 mm or less. And
According to this, the outer end of the lid horizontal end portion and the outer end of the main body horizontal end portion are separated from each other too much to prevent unintentional detachment of the lid, and the lid and the container main body having higher stability are sealed. The state can be obtained.

The packaging container with a lid according to the present invention is characterized in that an inward protruding portion that protrudes inward is formed at a position below a position where the peripheral wall portion of the step fitting portion is urged. To do.
According to this, it is possible to prevent the unintentional detachment of the lid from occurring even more reliably by the inward projection being caught by the urging portion. In addition, the mechanical strength of the peripheral wall of the step fitting part can be increased by bending the part with and without the inner protrusion, and the protruding position of the outer end of the lid horizontal end and the outer end of the main body horizontal end Can be improved in stability and durability in a state where is substantially the same.

  ADVANTAGE OF THE INVENTION According to this invention, while being able to obtain a high airtightness that is hard to remove the lid at all times, it is possible to obtain a packaging container with a lid that is low in cost and excellent in design.

The disassembled perspective view of the packaging container with a cover of embodiment of this invention. The longitudinal section explanatory drawing of the packaging container with a lid of an embodiment. The partial expanded end view which shows the outer end periphery of the packaging container with a lid | cover of embodiment.

[Packaging Container with Lid of Embodiment]
As shown in FIGS. 1 to 3, a packaging container 10 with a lid according to an embodiment of the present invention is externally fitted to a container body 20, which is a packaging container having a substantially rectangular shape in plan view, so as to be openable and closable. And a substantially rectangular lid 30 in plan view. The container body 20 and the lid 30 are each formed of a synthetic resin in a thin plate shape, and the lid 30 in the illustrated example is formed of a transparent synthetic resin.

  The container body 20 includes a bottom portion 21 having a raised portion 211 that swells substantially in the center, and a side wall 22 that is erected outwardly from the periphery of the bottom portion 21. It is provided in a circumferential shape over the entire circumference.

  On the substantially outer periphery of the container main body 20, a step-shaped step fitted portion 23 that is provided so as to be continuous with the upper side of the side wall 22, and a main body that protrudes outward from the step fitted portion 23. A protrusion 24, a main body folding part 25 extending upward from the outer end of the main body protruding part 24, and a main body horizontal end part 26 extending substantially horizontally from the outer end of the main body folding part 25 to the outer side are provided. ing. On the upper part of the peripheral wall portion 231 that extends substantially vertically of the stepped portion 23, an outward protrusion 231a that protrudes outward is formed over the entire periphery. The main body horizontal end portion 26 is formed with small irregularities on the front and back surfaces by embossing.

  The lid 30 includes a top plate 31 and a side wall 32 formed so as to incline outward from the periphery of the top plate 31, and the side wall 22 surrounds the entire circumference of the lid 30. It is provided in the shape. A substantially stepped step fitting portion 33 that is provided on the substantially outer periphery of the lid 30 so as to continue to the lower side of the side wall 32 and descends toward the outside, and a lid projecting portion that projects outward from the step fitting portion 33. 34, a lid folding portion 35 extending upward from the outer end of the lid protruding portion 34 to the outside, and a lid horizontal end portion 36 extending substantially horizontally from the outer end of the lid folding portion 35 to the outside. .

  An inward protruding portion 331 a that protrudes inward is formed at a lower portion of the peripheral wall portion 331 that extends substantially perpendicular to the step fitting portion 33. The inward protrusions 331a of the present embodiment are continuously formed in the circumferential direction of the lid 30. However, it is also possible to form the inward projections 331a intermittently at predetermined intervals in the circumferential direction of the lid 30. In the case where the inner protrusion 331a is intermittently formed in the circumferential direction of the lid 30, the elasticity can be increased by bending the portion where the inner protrusion 331a is present and the portion where the inner protrusion 331a is not present. And flexibility can be further enhanced. The inward protruding portion 331a is biased by the peripheral wall portion 331 of the step fitting portion 33 in a state where the step fitting portion 33 of the lid 30 is externally fitted to a step fitted portion 23 of the container body 20 described later. It is provided so that it may become a position below a location.

  In the packaging container 10 with a lid configured by externally fitting the lid 30 to the container main body 20, the step fitting portion 33 of the lid 30 is detachably fitted over the step fitting portion 23 of the container main body 20. The container body 20 is substantially sealed with the lid 30. In this substantially sealed fitting state, as shown in FIG. 3, the lid protruding portion 34, the lid folding portion 35, and the lid horizontal end portion 36 of the lid 30 are respectively connected to the body protruding portion 24 and the body folding portion 25 of the container body 20. The main body horizontal end 26 is disposed so as to substantially follow.

  And the peripheral wall part 331 of the level | step difference fitting part 33 of the lid | cover 30 is always urged | biased by at least one part of the peripheral wall part 231 of the level | step difference fitting part 23 of the container main body 20, and the outer end and main body of the lid | cover horizontal end part 34 are urged | biased. The protruding position of the outer end of the horizontal end 24 is configured to be substantially the same. In the present embodiment, the outer protrusion 231a of the peripheral wall portion 231 of the stepped portion 23 is constantly urged at a position above the inner protrusion 331a by the peripheral wall portion 331 of the step fitting portion 33. The protruding position L2 to the outside of the outer end of the lid horizontal end portion 36 and the protruding position L1 to the outside of the outer end of the main body horizontal end portion 26 are substantially the same. The “substantially identical” between the projecting positions L1 and L2 includes a case where the difference between the projecting position L1 and the projecting position L2 is 0.5 mm or less, and preferably between the projecting position L1 and the projecting position L2. The difference is preferably 0 mm.

  Furthermore, in this substantially sealed fitting state, it is preferable that the separation distance H between the lower end portion of the outer end of the lid horizontal end portion 36 and the upper end portion of the outer end of the main body horizontal end portion 26 is 1 mm or less. Preferably, the separation distance H is set to 0 mm. Thereby, it is prevented that the outer end of the lid horizontal end portion 36 and the outer end of the main body horizontal end portion 26 are separated too much to cause unintentional detachment of the lid, and the lid 30 and the container body 20 having higher stability. The sealed state can be obtained.

  According to the lidded packaging container 10 of the present embodiment, the lid 30 and the container main body 20 are substantially sealed by external fitting, and the lid protruding portion 34, the lid folding portion 35, and the lid horizontal end portion 36 are respectively protruding from the main body. It is arranged so as to substantially follow the portion 24, the main body folding portion 25, and the main body horizontal end portion 26. Further, the protruding positions of the outer end of the lid horizontal end portion 36 and the outer end of the main body horizontal end portion 26 are substantially the same. Therefore, it is possible to reliably prevent the lid 30 from coming off when the packaging container with lid is lifted from below 10 and the lid 30 and the container main body 20 are not easily removed due to external force or vibration. Sealability can be obtained. Accordingly, the lidded packaging container 10 is obtained in which the sealed state can withstand transportation and the like without using a configuration that maintains a further sealed state such as fastening the container body 20 and the lid 30 containing food, ingredients, etc. with an adhesive tape. be able to. Moreover, since it is not necessary to form the drooping part which hangs down long on a lid | cover or a container, it is not necessary to use an extra synthetic resin material, and it can reduce manufacturing cost and can improve design property.

  In addition, the peripheral wall portion 331 of the step fitting portion 33 is always urged by at least a part of the outer peripheral surface of the step fitted portion 23 so that the outer end of the lid horizontal end portion 36 and the outer end of the main body horizontal end portion 26 are Since the protruding positions are substantially the same, elasticity and flexibility in the inner and outer directions can be imparted to the lid horizontal end portion 36, and the elasticity and flexibility of the lid horizontal end portion 36 are intended by the user. Therefore, when the operation of removing the lid 30 is performed, the lid 30 can be smoothly removed.

  Further, by forming the inner protrusion 331a at a position lower than the position where the peripheral wall portion 331 of the step fitting portion 33 is urged, the inner protrusion 331a is caught by the urging position, so that It is possible to prevent unintentional detachment of the lid 30 more reliably. Further, the mechanical strength of the peripheral wall portion 331 of the step fitting portion 33 can be increased by bending the portion with and without the inward protrusion 331a, and the outer end of the lid horizontal end portion 36 and the main body horizontal end portion 26 can be increased. Stability and durability in a state where the protruding positions of the outer ends are substantially the same can be improved.

[Included scope of the invention disclosed herein]
In addition to the inventions and embodiments listed as inventions, the invention disclosed in the present specification is specified by changing these partial contents to other contents disclosed in the present specification, to the extent applicable. Or those specified by adding other contents disclosed in the present specification to those contents, or those specified by deleting these partial contents to the extent that partial effects can be obtained and making them higher-level concepts Include. The invention disclosed in this specification includes the following modified examples and added contents.

  For example, the planar view shape of the container body and the planar view shape of the lid in the packaging container with a lid of the present invention are not limited to the planar view rectangle of the above-described embodiment, and are appropriate within the scope of the present invention. It is also possible to use a container body and lid having a substantially polygonal shape in plan view, such as a substantially hexagonal shape in view, a substantially octagonal shape in plan view, and a dodecagonal shape in plan view, or a container body and lid having a substantially circular shape in plan view or a substantially elliptical shape in plan view. Is possible.

  The configuration in which the peripheral wall portion 331 of the step fitting portion 33 of the lid 30 is always urged by at least a part of the peripheral wall portion 231 of the step fitting portion 23 of the container body 20 is the peripheral wall portion of the step fitting portion 23. It is not limited to the structure which always energizes the surrounding wall part 331 of the level | step difference fitting part 33 with the outward protrusion 231a of 231, It is suitable in the range of the meaning of this invention. Further, the peripheral wall portion 331 of the step fitting portion 33 of the lid 30 may be configured not to provide the inward protruding portion 331a.

  Moreover, in the said embodiment, the peripheral wall part 331 of the level | step difference fitting part 33 of the lid | cover 30 is always urged | biased by at least one part of the peripheral wall part 231 of the level | step difference fitting part 23 of the container main body 20, and the lid | cover horizontal end part 36 is urged | biased. However, the peripheral wall portion 231 of the stepped fitting portion 23 of the container main body 20 is the peripheral wall of the step fitting portion 33 of the lid 30. A configuration in which the protruding positions of the outer end of the lid horizontal end portion 36 and the outer end of the main body horizontal end portion 26 are made substantially the same without always biasing the portion 331 is also included in the lidded packaging container of the present invention.

  The present invention can be used, for example, as a packaging container with a lid that accommodates food, foodstuffs, and the like.

DESCRIPTION OF SYMBOLS 10 ... Container for packaging with lid 20 ... Container main body 21 ... Bottom 211 ... Raised portion 22 ... Side wall 23 ... Stepped portion 231 ... Peripheral wall 231a ... Outward projection 24 ... Main body protrusion 25 ... Main body folding portion 26 ... Main body Horizontal end 30 ... Lid 31 ... Top plate 32 ... Side wall 33 ... Step fitting portion 331 ... Peripheral wall 331a ... Inward projection 34 ... Lid projection 35 ... Lid folding part 36 ... Lid horizontal end L1 ... Main body horizontal end Projection position of the outer end of the lid L2 ... Projection position of the outer end of the horizontal end of the lid H ... Distance between the lower end of the outer end of the lid horizontal end and the upper end of the outer end of the main body horizontal end

Claims (4)

It has a synthetic resin lid and a synthetic resin container body,
On the substantially outer periphery of the lid, a step-shaped step fitting portion descending outward, a lid projecting portion projecting outward from the step fitting portion, and outward from an outer end of the lid projecting portion A lid folding portion extending upward, and a lid horizontal end portion extending substantially horizontally from the outer end of the lid folding portion toward the outside;
On the substantially outer periphery of the container main body, a stepped stepped fitting portion that descends outward, a main body projecting portion that projects outward from the stepped mating portion, and an outer side from the outer end of the main body projecting portion A main body folding portion extending upward toward the upper side, and a main body horizontal end portion extending substantially horizontally from the outer end of the main body folding portion toward the outside,
The step fitting portion is detachably fitted to the step fitting portion, and the container body is substantially sealed with the lid,
In the fitted state, the lid protruding portion, the lid folded portion, and the lid horizontal end portion are arranged so as to substantially follow the body protruding portion, the body folded portion, and the body horizontal end portion, respectively, and the lid horizontal end A container for packaging with a lid, characterized in that the protruding positions of the outer end of the part and the outer end of the horizontal end of the main body are substantially the same.   The peripheral wall portion of the step fitting portion is always urged by at least a part of the peripheral wall portion of the step fitted portion, and the protruding position of the outer end of the lid horizontal end portion and the outer end of the main body horizontal end portion is The packaging container with a lid according to claim 1, which is substantially the same.   The lid according to claim 1 or 2, wherein a distance between a lower end portion of the outer end of the lid horizontal end portion and an upper end portion of the outer end of the main body horizontal end portion in the fitted state is 1 mm or less. Packaging container with. The inward protrusion part which protrudes inwardly is formed in the position below the location where the said surrounding wall part of the said level | step-difference fitting part is urged | biased. The packaging container with a lid as described.

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