JP2023118412A - packaging container - Google Patents

Abstract

To provide a two-staged packaging container configured so that a second container main body can be easily attached to a first container main body and the attached second container can be suppressed from detaching, and the second container main body can be easily detached therefrom when needed.SOLUTION: A packaging container (1) comprises a first container main body (3) and a second container main body (5) that is placed on the first container main body. The first container main body (3) and the second container main body (5) are configured to be freely attached to and detached from each other in a laminating direction (Z) and to freely slide in a crossing direction (X). The packaging container is provided with a part (42) to be locked and a locking part (62) that locks to the part (42) to be locked along the laminating direction (Z) when the second container main body (5) is attached to the first container main body (3), and can be detached from the part (42) to be locked accompanying slide movement of the second container main body (5).SELECTED DRAWING: Figure 1

Description

The present invention relates to packaging containers.

A two-stage packaging container comprising a first container body and a second container body placed on the first container body is used to separately store two types of objects that are to be used at the same time. It is For example, two-stage food packaging in which white rice or noodles are accommodated in the first container body, ingredients are accommodated in the second container body, and the two ingredients are provided to the consumer in a separated state until they are eaten. container is used. An example of such a packaging container is disclosed in Japanese Patent Application Laid-Open No. 2016-216089 (Patent Document 1).

In the packaging container of Patent Literature 1, the second container body (middle plate 4) is positioned in such a manner that the first container body (container body 2) is internally fitted over the entire circumference (Patent Literature 1). , paragraph 0019). At the time of use, the inner fitting between the first container body and the second container body is released, the second container body is removed, the second container body is tilted, and the contained object is transferred to the first container body. It is assumed. With such a configuration, there is a problem that it is difficult to remove the second container body from the first container body, even though the fitting strength between the first container body and the second container body is set to be weak. . On the other hand, it is also necessary to avoid excessive tendency of the second container body to come off from the first container body.

JP 2016-216089 A

The second container body can be easily attached to the first container body, the second container body can be prevented from coming off after attachment, and the second container body can be easily removed when necessary. It is desired to realize a packaging container of the type.

The packaging container according to the present invention is
A packaging container comprising a first container body and a second container body placed on the first container body,
wherein the first container body and the second container body are detachable in a stacking direction and slidable in a direction crossing the stacking direction,
and an engaging portion that engages with the engaging portion along the stacking direction when the second container body is attached to the first container body and that engages with the engaging portion as the second container body slides. A locking portion that can be separated from the locking portion is separately provided on the first container body and the second container body.

According to this configuration, the second container body can be easily attached to the first container body simply by bringing the first container body and the second container body close to each other in the stacking direction. After attachment, it is possible to prevent the second container body from coming off from the first container body in a state where the engaging portion and the engaged portion are engaged with each other. Further, when necessary, the sliding movement of the second container body in the crossing direction with respect to the first container body releases the locked state between the locking portion and the locked portion, thereby releasing the second container from the first container body. The main body can be easily removed. Therefore, it is possible to easily attach the second container body to the first container body, prevent the second container body from coming off after attachment, and easily remove the second container body when necessary. A two-level packaging container can be provided.

Preferred embodiments of the present invention are described below. However, the scope of the present invention is not limited by the preferred embodiments described below.

As one aspect,
The first container body has an enclosing wall portion that partially surrounds the periphery of the upper opening, and a linear inward protrusion that protrudes inward is formed on the enclosing wall portion along the intersecting direction. ,
The second container body has a second peripheral wall portion that surrounds the second bottom surface portion, and a linear outward projection that protrudes outward from the second peripheral wall portion and engages with the inward projection portion. a portion is formed along the cross direction;
As the first container body and the second container body move toward each other in the stacking direction, the surrounding wall portion expands while being elastically deformed while the inwardly projecting portion and the outwardly projecting portion are in contact with each other. It is preferable that the second container body is placed on the first container body.

According to this configuration, the surrounding wall partially surrounds the upper opening of the first container body rather than the entire circumference, so that it is easily elastically deformed when an external force is applied. Actually, when the first container body and the second container body are brought closer to each other in the stacking direction, the surrounding wall part is elastically deformed in a state where the inwardly protruding part and the outwardly protruding part are in contact with each other. The main body and the second container main body can be easily attached. Further, after the second container body is placed on the first container body, the surrounding wall portion is restored and the inwardly projecting portion and the outwardly projecting portion are engaged with each other. By this engagement, it is possible to prevent the stacking in the stacking direction. In addition, the attachment state of the first container main body and the second container main body can be stabilized together with the prevention of disengagement in the crossing direction due to the engagement between the engaging portion and the engaged portion.

As one aspect,
The second container body is placed on the first container body, and the inwardly projecting portion is engaged with the outwardly projecting portion from above, and the first container body and the second container body are separated from each other. is slidable in the cross direction.

According to this configuration, the sliding movement of the second container body in the cross direction can be guided by the inward protrusion and the outward protrusion that are both formed along the cross direction and are engaged with each other. Therefore, it is possible to appropriately realize a structure that facilitates the removal of the second container body.

As one aspect,
It is preferable that the engaging portion and the engaged portion are separately provided in the inward projecting portion and above the outward projecting portion of the second peripheral wall portion.

According to this configuration, when the second container main body is attached to the first container main body, the engaging portion and the engaged portion can be easily engaged with each other as the inward protruding portion and the outward protruding portion are vertically engaged. can be locked.

As one aspect,
The surrounding wall portion is formed in a C-shape in a plan view, which surrounds one side in the cross direction and both side portions connected thereto and is open on the other side in the cross direction,
It is preferable that a slide movement supporter is provided at a position on the opening side of the surrounding wall in the first container body for supporting the second bottom surface from the lower surface when the second container body is slid.

With this configuration, the second container body can be appropriately supported in a positioned state by the surrounding wall, and the second container body slid in the cross direction can be properly supported from the open end on the other side in the cross direction. can be removed. In addition, since the slide movement support part is provided at the position of the opening side of the surrounding wall part in the first container body, the second bottom face part is supported from the lower surface side when the second container body is slid, so that the second container body can move. It is possible to stabilize the posture when removing the container body.

As one aspect,
The second bottom portion is formed in a curved shape that protrudes downward when viewed from the side,
It is preferable that the slide movement support portion has an inclined surface along the curved lower surface of the second bottom surface portion.

According to this configuration, the inclined surface of the slide movement support portion fits exactly along the lower surface of the second bottom surface portion, so that the second bottom surface portion of the second container main body can be stably supported. Therefore, it is possible to further stabilize the posture when the second container body is removed. In addition, since the inclined surface of the slide movement support portion and the lower surface of the second bottom surface portion are curved downwardly convex, the second container body can be naturally tilted simply by sliding the second container body in the cross direction. . Therefore, for example, in the case where the contents contained in the first container body and the contents contained in the second container body are mixed and used, the contents contained in the second container body can be easily transferred to the first container body. can do.

As one aspect,
It is preferable that the inward protruding portion and the outward protruding portion are formed in a curved shape that protrudes downward according to the curvature of the second bottom surface portion.

According to this configuration, tilting of the second container body caused by sliding movement along the inclined surface of the slide movement support can be appropriately guided by similarly curved inward and outward protrusions. .

Further features and advantages of the invention will become clearer from the following description of exemplary and non-limiting embodiments described with reference to the drawings.

1 is an exploded perspective view of a packaging container according to an embodiment; Exploded front view of packaging container Perspective view of the first container body Perspective view of the second container body Perspective view of lid Front view showing how the packaging container is assembled Side view showing how the packaging container is assembled Front view showing how the packaging container is used Cross-sectional view showing how the packaging container is used Front view showing how the packaging container is used

An embodiment of a packaging container will be described with reference to the drawings. In the present embodiment, a packaging container (food packaging container) 1 in which foods such as lunch boxes and side dishes are accommodated as objects to be accommodated will be described as an example. The packaging container 1 of the present embodiment is suitable for packaging food containing two kinds of ingredients that are preferably completely separated until just before eating.

In the following description, the direction toward the inside of the packaging container 1 (the direction from the outer edge side to the center side) is referred to as the “inward direction,” and the direction toward the outside of the packaging container 1 (the direction from the center side to the outer edge side). direction) is called "outward".

As shown in FIGS. 1 and 2, the packaging container 1 includes a first container body 3, a second container body 5, and a lid 7. As shown in FIGS. The packaging container 1 is formed by sheet molding. The first container body 3, the second container body 5, and the lid 7, which constitute the packaging container 1, are each formed by sheet molding.

The first container main body 3, the second container main body 5, and the lid 7 are made of synthetic resin sheets having a thickness of 0.1 mm to 3 mm (preferably 0.2 mm to 1.5 mm) by thermoforming (for example, vacuum forming, air molding, vacuum pressure forming, hot plate forming, etc.). The first container body 3, the second container body 5, and the lid 7 may have different sheet thicknesses.

As the synthetic resin sheets forming the first container body 3, the second container body 5, and the lid 7, thermoplastic resin sheets such as polyolefin resin sheets, polystyrene resin sheets, and polyester resin sheets may be used. can be done. These may be foam sheets or non-foam sheets. A laminated sheet can also be used, and examples of the laminated sheet include a film-laminated foamed sheet obtained by laminating a film on a foamed sheet, a co-extruded laminated sheet, an extruded laminated sheet, and the like.

The first container body 3 and the second container body 5 may be colored such as black or white, or may be colorless and transparent. The lid body 7 of this embodiment is formed to be colorless and transparent. By making the lid body 7 colorless and transparent, it is possible to easily visually recognize the food, which is the object to be stored, from the outside. At least one of the first container body 3, the second container body 5, and the lid 7 may have a design such as a pattern.

In the packaging container 1, the first container body 3, the second container body 5, and the lid 7 are laminated in the order described in the Z direction. In addition, among the directions orthogonal to the Z direction, the direction extending to the left and right in the front view (state of FIG. 2) is defined as the “X direction”, and the direction orthogonal to both the Z direction and the X direction (side view (state of FIG. 7) ) is defined as the “Y direction”. In this embodiment, the Z direction corresponds to the "stacking direction", and the X direction corresponds to the "intersecting direction".

As shown in FIGS. 1 to 3, the first container body 3 has a first bottom surface portion 31, a first peripheral wall portion 32, a support surface portion 33, and a surrounding wall portion . The first container body 3 is formed in a substantially rectangular parallelepiped cup shape. For example, it is preferable to accommodate the first food material such as white rice or pasta noodles.

The first bottom surface portion 31 is formed in a rectangular shape in plan view (specifically, a rectangular shape in plan view having long sides along the X direction and short sides along the Y direction). At the center of the first bottom surface portion 31, a raised portion 31A is formed which is slightly raised compared to the surroundings. 31 A of protruding parts are formed in planar view rectangular shape. Further, a recessed groove portion 31B is formed in the peripheral edge portion of the first bottom surface portion 31 so as to surround the periphery of the raised portion 31A.

The first peripheral wall portion 32 is formed continuously from the outer edge of the first bottom surface portion 31 . The first peripheral wall portion 32 is formed to surround the first bottom surface portion 31 . The first peripheral wall portion 32 is formed so as to incline outward as it goes upward.

The support surface portion 33 extends outward from the upper end portion of the first peripheral wall portion 32 . When the second container body 5 is placed on the first container body 3 , the support surface portion 33 is a portion that supports the second container body 5 in the placed state from below. The support surface portion 33 is provided at the boundary portion between the first peripheral wall portion 32 and the surrounding wall portion 34 . The support surface portion 33 has a rectangular frame shape in plan view (specifically, a rectangular frame shape in plan view having a long side along the X direction and a short side along the Y direction) depending on the shape of the upper end of the first peripheral wall portion 32 . ). Further, the support surface portion 33 is formed in a curved shape in which the long side portion is convex downward when viewed from the side.

The surrounding wall portion 34 is formed to extend upward from the outer edge of the support surface portion 33 . The surrounding wall portion 34 partially surrounds the upper opening of the first container body 3 . In this embodiment, the surrounding wall portion 34 is formed in a C shape in plan view. The surrounding wall portion 34 has a pair of long side portions 34A provided facing each other in the Y direction and a short side portion 34B connecting the pair of long side portions 34A on one side in the X direction. The long side portion 34A is formed along the X direction, and the short side portion 34B is formed along the Y direction. In addition, the long side portion 34A is formed in a curved shape convex downward when viewed from the side, and the short side portion 34B is formed in a straight line when viewed from the side.

Thus, the surrounding wall portion 34 surrounds one side (short side portion 34B) in the X direction and both side portions (a pair of long side portions 34A) connected thereto. The other side in the X direction is open. Since the surrounding wall portion 34 only partially surrounds the upper opening of the first container body 3, it is more likely to be elastically deformed when an external force is applied, compared to a structure that surrounds the entire circumference. ing.

A linear inward projecting portion 35 projecting inward is formed in the surrounding wall portion 34 along the X direction. In the present embodiment, inward protruding portions 35 are formed on each of a pair of long side portions 34A formed along the X direction in the surrounding wall portion 34 having a C-shaped plan view. The inward projecting portion 35 is formed near the upper end portion of the surrounding wall portion 34 . The inward protruding portion 35 is formed in a curved shape that protrudes downward when viewed from the side according to the shape of the long side portion 34A of the surrounding wall portion 34 . In addition, the inward protruding portion 35 is formed in a curved shape that protrudes downward according to the curvature of the second bottom surface portion 51 . The inward protruding portion 35 is curved in an arc shape so that the central portion is lowest and the height gradually increases toward both ends. An outwardly projecting portion 55 formed on the second peripheral wall portion 52 of the second container body 5 is engaged with the inwardly projecting portion 35 .

A first hanging wall portion 37 extends downward from the outer edge of the surrounding wall portion 34 at the portion where the outer edge of the support surface portion 33 and the surrounding wall portion 34 are provided. The first hanging wall portion 37 is formed over the entire circumference.

In the present embodiment, a tongue-shaped first knob portion 39 is provided at the lower end portion of the first hanging wall portion 37 . The first knob portion 39 is provided at a position on the open side of the surrounding wall portion 34 in the X direction (a position on the slide movement support portion 44 side, which will be described later). The first knob portion 39 protrudes and extends outward from the lower end portion of the first hanging wall portion 37 along the horizontal direction. The first knob portion 39 has a flat first knob surface portion 39A and an upward projection portion 39B projecting upward from the first knob surface portion 39A. The first knob portion 39 is disposed downwardly and spaced from the second knob portion 59 of the second container body 5 and the lid body knob portion 79 of the lid body 7 (see FIG. 6).

In addition, the first container body 3 has a locking recess 42 at a predetermined position in the X direction of the inward projecting portion 35 . The locking recess 42 is formed so as to be recessed outward and extend along the Z direction. An engaging projection 62 formed on the second container body 5 is engaged with the engaging recess 42 . In this embodiment, the locking recess 42 corresponds to the "locked portion".

Further, the first container body 3 has a slide movement support portion 44 on one of the pair of short side portions of the support surface portion 33 . The slide movement support part 44 is provided at a position on the open side of the surrounding wall part 34 in the first container body 3 . The slide movement support portion 44 supports the second bottom surface portion 51 from the lower surface side when the second container body 5 slides. Therefore, the slide movement support portion 44 has an inclined surface 44 a along the curved lower surface of the second bottom surface portion 51 . More specifically, the slide movement support portion 44 has an inclined surface 44 a along the lower surface of the raised portion 51 A of the curved second bottom surface portion 51 .

The inclined surface 44 a is provided so as to face the center side of the first container body 3 . That is, the inclined surface 44 a is provided so that its lower end is located toward the center of the first container body 3 and its upper end is located outside the first container body 3 . The slide movement support portion 44 is provided such that the uppermost portion of the upper surface thereof is positioned further upward than the opening-side end portion of the surrounding wall portion 34 .

Further, the side surfaces 44b on both sides in the Y direction of the slide movement support portion 44 are along the stepped portion on the outer surface side of the concave groove portion 51B of the second bottom surface portion 51 respectively. In this way, the slide movement support portion 44 has a shape in which the upper surface (inclined surface 44 a ) and the side surface 44 b of the slide movement support portion 44 are in line with the bottom surface of the second bottom surface portion 51 .

As shown in FIGS. 1, 2, and 4, the second container body 5 covers the top opening of the first container body 3. As shown in FIGS. The second container body 5 has a second bottom surface portion 51 , a second peripheral wall portion 52 , a second fitting portion 53 and a second flange portion 54 . The second container body 5 is formed in the shape of a shallow rectangular parallelepiped middle plate. It is preferable that the second container main body 5 contains a second ingredient such as rice bowl ingredients, pasta sauce, etc., which is to be mixed with the first ingredient when eating.

The second bottom surface portion 51 is formed in a rectangular shape in a plan view (specifically, a rounded rectangular shape in a plan view having long sides along the X direction and short sides along the Y direction). The second bottom surface portion 51 is formed in a curved shape that protrudes downward when viewed from the front. The curvature of the second bottom surface portion 51 and the curvature of the support surface portion 33 of the first container body 3 match, and the second container body 3 is attached to the first container body 3 with the second bottom surface portion 51 and the support surface portion 33 in contact with each other. 5 is placed.

The second bottom surface portion 51 has a raised portion 51A and a recessed groove portion 51B provided on the outer side thereof. The protruding portion 51A is formed in the center of the second bottom surface portion 51 so as to protrude compared to the surroundings. The raised portion 51</b>A is formed in a rectangular shape with rounded corners in a plan view, the curvature of the corners of which is larger than that of the second bottom portion 51 . The recessed groove portion 51B is formed in a C-shape in a plan view extending along one side in the X direction and both side portions connected thereto. The recessed groove portion 51B is formed in a C shape that faces in the same direction as the surrounding wall portion 34 that is similarly C-shaped in plan view.

The second peripheral wall portion 52 is formed continuously from the outer edge of the second bottom surface portion 51 . The second peripheral wall portion 52 is formed to surround the second bottom surface portion 51 . The second peripheral wall portion 52 is generally formed as a vertically extending wall portion. A linear outward projecting portion 55 projecting outward is formed along the X direction on the second peripheral wall portion 52 . In the present embodiment, an outward projecting portion 55 is formed on each of a pair of wall portions of the second peripheral wall portion 52 that face each other in the Y direction. The outward projecting portion 55 is formed near the lower end portion of the second peripheral wall portion 52 . The outwardly protruding portion 55 is formed according to the shape of the second bottom surface portion 51 and according to the shape of the inwardly protruding portion 35 formed on the surrounding wall portion 34 of the first container body 3, as viewed from the side. It is formed in a downward convex curved shape. The inward projecting portion 35 is engaged with the outward projecting portion 55 .

In this embodiment, the outward protrusion 55 is formed with a groove 55A. The concave groove 55A is linearly formed so as to extend in the Z direction. Also, a plurality of grooves 55A are formed at predetermined intervals in the X direction. Due to the presence of these concave grooves 55A, the outwardly protruding portion 55 is formed in an uneven shape as a whole.

In addition, in the present embodiment, the second container body 5 has a locking protrusion 62 above a predetermined position of the outward projection 55 in the X direction. The locking convex portion 62 is formed continuously from the outwardly projecting portion 55 at a position directly above the outwardly projecting portion 55 . The locking projection 62 is formed to protrude outward and extend along the Z direction. The locking projection 62 is provided at a position corresponding to the locking recess 42 formed in the first container body 3 when the second container body 5 is placed on the first container body 3 at a fixed position. ing. The locking concave portion 42 is locked to the locking convex portion 62 . In particular, when the second container body 5 is attached to the first container body 3, the locking projections 62 are locked to the locking recesses 42 along the Z direction. Further, when the second container body 5 slides, the engaging projection 62 is released from the engaging recess 42 when receiving an external force of a certain magnitude or more. In this embodiment, the locking protrusion 62 corresponds to the "locking portion".

With such a configuration, when the second container body 5 starts to slide (when the locked state between the locking convex portion 62 and the locking concave portion 42 is released), a tactile sensation such as a "click" or an auditory sensation is felt. , the unlocking can be clearly recognized by the user. Similarly, when placing the second container body 5 on the first container body 3, depending on the mounting mode, the user may also be able to engage the locking protrusions 62 and the locking recesses 42 by touch or hearing. may be recognized for

The second fitting portion 53 is provided at the upper end portion of the second peripheral wall portion 52 . The second fitting portion 53 has an inner peripheral surface that slopes inward as it goes upward. The lid fitting portion 73 of the lid 7 is fitted (inside fitting in this example) into the second fitting portion 53 .

The second flange portion 54 extends outward from the upper end portion of the second fitting portion 53 . The second flange portion 54 extends outward along the horizontal direction. A second hanging wall portion 57 extends downward from the outer edge of the second flange portion 54 . The second flange portion 54 and the second hanging wall portion 57 are formed over the entire circumference.

In the present embodiment, a tongue-shaped second grip portion 59 is provided at the lower end portion of the second hanging wall portion 57 . The second knob portion 59 is provided at a position on the open side of the concave groove portion 51B formed in a C shape in plan view. The second knob portion 59 protrudes outward from the lower end portion of the second hanging wall portion 57 in the horizontal direction. The second knob portion 59 has a planar main body knob surface portion 59A and an upper projection portion 59B projecting upward from the main body knob surface portion 59A. The second knob portion 59 overlaps the lid body knob portion 79 of the lid body 7 . The second knob 59 is arranged vertically close to the lid knob 79 of the lid 7 and spaced upward from the first knob 39 of the first container body 3 ( See Figure 6).

As shown in FIGS. 1, 2, and 5, the lid 7 covers the upper opening of the second container body 5. As shown in FIGS. The lid 7 has a top surface portion 71 , a lid peripheral wall portion 72 , a lid fitting portion 73 , and a lid flange portion 74 .

The top surface portion 71 is formed in a rectangular shape in plan view (specifically, a rectangular shape in plan view having long sides along the X direction and short sides along the Y direction). The lid peripheral wall portion 72 extends downward from the top surface portion 71 . The lid peripheral wall portion 72 is formed continuously from the outer edge of the top surface portion 71 . The lid body peripheral wall portion 72 is formed so as to incline outward as it goes downward.

The lid fitting portion 73 is provided at the lower end portion of the lid peripheral wall portion 72 . The lid fitting portion 73 has an outer peripheral surface that slopes outward toward the bottom. The second fitting portion 53 of the second container body 5 is fitted (inside fitting in this example) into the lid body fitting portion 73 .

The lid flange portion 74 extends outward from the upper end portion of the lid fitting portion 73 . The lid body flange portion 74 extends outward along the horizontal direction. A lid hanging wall portion 77 extends downward from the outer edge of the lid flange portion 74 . The lid body flange portion 74 and the lid body hanging wall portion 77 are formed over the entire circumference.

In the present embodiment, a tongue-like lid gripping portion 79 is provided at the lower end portion of the lid hanging wall portion 77 . The lid knob 79 is provided on one short side in the X direction. The lid grip portion 79 protrudes outward from the lower end portion of the lid hanging wall portion 77 in the horizontal direction. The lid gripping portion 79 has a planar lid gripping surface portion 79A and a downward protrusion 79B projecting downward from the lid gripping surface portion 79A. The lid gripping portion 79 overlaps the second gripping portion 59 of the second container body 5 when the lid 7 is placed on the second container body 5 at a fixed position. With the lid grip portion 79 and the second grip portion 59 overlapping each other, the lower protrusion portion 79B and the upper protrusion portion 59B abut or can abut each other, so that the lid grip surface portion 79A and the main body grip surface portion 59A are brought into contact with each other. A vertical gap is created between and (see FIG. 6).

In the packaging container 1 of the present embodiment, the second container body 5 and the lid 7 are firmly fitted together by the inner fitting of the second fitting portion 53 and the lid fitting portion 73 . The second container body 5 and the lid 7 are attached in the Z direction and removed in the Z direction. On the other hand, the first container body 3 and the second container body 5 are engaged with each other with a relatively weak force. The first container body 3 and the second container body 5 are detachable in the Z direction and slidable in the X direction so that they can be attached in the Z direction and removed in the X direction. .

For example, when serving foodstuffs in the packaging container 1, first, the first container body 3 contains the first foodstuff (polished rice, pasta noodles, etc.), and the second container body 5 contains the second foodstuff (rice bowl ingredients). ingredients, pasta sauces, etc.). Then, the lid body 7 is fitted to the second container body 5 to integrate the second container body 5 and the lid body 7 . After that, as shown in FIG. 6, the second container body 5 with the lid 7 containing the second food material is attached to the first container body 3 along the Z direction.

At this time, as the first container body 3 and the second container body 5 move toward each other in the Z direction, the surrounding wall is opened while the inward projecting portion 35 and the outward projecting portion 55 are in contact with each other, as shown in FIG. The portions 34 (specifically, the pair of long side portions 34A) expand while being elastically deformed. When the second container body 5 is further pushed in and the outward protrusion 55 completely overcomes the inward protrusion 35 , the second container body 5 is placed on the first container body 3 . At this time, the second container body 5 with the lid 7 containing the second food material can be attached to the first container body 3 along the Z direction while maintaining the horizontal posture.

After the outward protruding portion 55 completely overcomes the inward protruding portion 35, the surrounding wall portion 34 (the pair of long side portions 34A), which had expanded due to elastic deformation, is restored, and the first container body 3 is restored. The inward projecting portion 35 is engaged with the outward projecting portion 55 of the second container body 5 from above. This prevents the second container body 5 from coming off in the Z direction. In addition, the engaging projections 62 of the second container body 5 are engaged with the engaging recesses 42 of the first container body 3 from the side, so that the second container body 5 can be easily removed in the X direction. It can also be stopped.

The second container main body 5 is sandwiched from both sides in the Y direction by the pair of long side portions 34A that form the surrounding wall portion 34, and does not come off in the Y direction.

For example, when eating food contained in the packaging container 1 , first, the engagement between the second container body 5 and the lid 7 is released, and the lid 7 is removed from the second container body 5 . After that, when the second container main body 5 is pulled in the X direction by gripping the second knob 59, the first container main body 3 is opened while the inward protruding portion 35 is engaged with the outward protruding portion 55 from above. , the second container body 5 can be slid in the X direction.

At this time, the second container body 5 is guided by the mutually engaging inward protruding portion 35 and outward protruding portion 55, and according to these shapes, as shown in FIG. Draw and slide in the X direction. The slide movement within the arc-shaped locus region Tr allows the second container body 5 to be gradually tilted from the horizontal posture to the standing posture. At this time, as shown in FIG. 9, the slide movement support portion 44 (specifically, the inclined surface 44a) of the first container body 3 supports the second bottom surface portion 51 (specifically, the raised portion 51A) from the lower surface side. As a result, the posture of the second container body 5 can be stably changed. In the process, the second food contained in the second container body 5 is easily poured into the first container body 3 and mixed with the first food contained in the first container body 3. can be matched.

After the engagement between the inward protruding portion 35 and the outward protruding portion 55 is released, the second container body 5 is tilted and changed so as to approach the standing posture as shown in FIG. As a result, the second food material remaining in the second container main body 5 can be poured into the first container main body 3 without leaving any residue.

As described above, in the packaging container 1 of the present embodiment, the second container body 5 can be easily attached to the first container body 3, and after attachment, the second container body 5 is prevented from coming off. and the second container body 5 can be easily removed when necessary. When the food is served, the second container body 5 containing the second food can be easily attached to the first container body 3 containing the first food while keeping it horizontal. The second container body 5 does not come off from the first container body 3. Moreover, when eating, the second container body 5 can be easily removed from the first container body 3 to easily mix the two kinds of ingredients.

[Other embodiments]
(1) In the above-described embodiment, the inward protruding portion 35 and the outward protruding portion 55 that engage with each other are formed in a curved shape that protrudes downward when viewed from the side. However, without being limited to such a configuration, the inward protruding portion 35 and the outward protruding portion 55 may be formed, for example, in a straight line along the X direction when viewed from the side.

(2) In the above embodiment, the configuration in which the surrounding wall portion 34 is formed in a C-shape in a plan view having a pair of long side portions 34A and a short side portion 34B connecting them has been described as an example. However, without being limited to such a configuration, the surrounding wall portion 34 may be composed of, for example, a pair of mutually independent wall portions located on both sides in the Y direction and a wall portion located on one side in the X direction. Also good. Alternatively, the surrounding wall portion 34 may be composed of only a pair of wall portions positioned on both sides in the Y direction. It may be slidable.

(3) In the above-described embodiment, the inwardly protruding portion 35 and the outwardly protruding portion 55 engaged with each other guide the sliding movement of the second container body 5 in the X direction with respect to the first container body 3 as an example. explained as. However, without being limited to such a configuration, any structure can be adopted as the structure for guiding the sliding movement of the second container body 5 with respect to the first container body 3 . For example, the support surface portion 33 of the first container main body 3 is provided with a linear upward protrusion along the X direction, and the second bottom surface portion 51 of the second container main body 5 is provided with a linear concave groove along the X direction. Alternatively, the upward protrusion may be engaged with the recessed groove to guide the sliding movement of the second container body 5 .

(4) In the above embodiment, the locking protrusion 62 is formed on the second peripheral wall portion 52 of the second container body 5 and the locking recess 42 is formed on the inward projecting portion 35 of the first container body 3 . The formed configuration has been described as an example. However, it is not limited to such a configuration. may be formed. In this way, the locking convex portion as the “locking portion” and the locking concave portion as the “locked portion” to which it is locked are divided into the second peripheral wall portion 52 and the inward projecting portion 35 . It would be nice to have Alternatively, the engaging projection and the engaging recess are formed by, for example, the surrounding wall portion 34 of the first container body 3 and the outward projecting portion 55 of the second container body 5, or at least the first container body 3 and the second container body 5. and may be provided separately.

(5) In the above embodiment, an example of a mode of use in which the first container body 3 and the second container body 5 are attached in the Z direction and removed in the X direction has been described. However, it is sufficient that the first container body 3 and the second container body 5 are at least structurally detachable in the Z direction and slidable in the X direction. It is possible. For example, a usage mode in which the first container body 3 and the second container body 5 are attached in the X direction and removed in the Z direction, or attached in the X direction and removed in the X direction is exemplified. With these configurations, when the second container body 5 is attached to the first container body 3, the user can feel the engagement between the locking projections 62 and the locking recesses 42 by a tactile sensation such as a "click" or hearing. can be recognized for

(6) In the above embodiment, the second container body 5 and the lid 7 are integrated by internal fitting as an example. However, without being limited to such a configuration, the second container body 5 and the lid body 7 may be integrated by external fitting or may be integrated by internal and external fitting.

(7) In the above embodiment, the configuration in which the packaging container 1 includes the first container body 3, the second container body 5, and the lid body 7 has been described as an example. However, without being limited to such a configuration, the packaging container 1 may include at least the first container body 3 and the second container body 5 . In such a configuration, for example, it is preferable to cover the upper opening of the second container main body 5 with a wrap film so as to cover the object to be contained in the second container main body 5 . Alternatively, a plastic film may be laminated so as to cover the upper opening of the second container body 5 in which the object is stored. The laminated film used for such top-seal packaging is preferably composed of a laminated film containing a gas barrier layer.

(8) In the above embodiment, the packaging container 1 is mainly assumed to be applied to a food packaging container for packaging foods containing two different kinds of foodstuffs. However, the packaging container 1 described above can be used to package anything else, not limited to food packaging applications.

(9) The configurations disclosed in each of the above-described embodiments (including the above-described embodiments and other embodiments; the same applies hereinafter) are applied in combination with the configurations disclosed in other embodiments unless there is a contradiction. It is also possible to Regarding other configurations, the embodiments disclosed in this specification are examples in all respects, and can be modified as appropriate without departing from the scope of the present disclosure.

1 packaging container 3 first container main body 5 second container main body 34 enclosing wall portion 35 inward projecting portion 42 locking recess (locked portion)
44 Slide movement support portion 44a Inclined surface 51 Second bottom surface portion 51A Protruding portion 51B Groove portion 52 Second peripheral wall portion 55 Outward projecting portion 62 Locking protrusion (locking portion)

Claims (7)

A packaging container comprising a first container body and a second container body placed on the first container body,
wherein the first container body and the second container body are detachable in a stacking direction and slidable in a direction crossing the stacking direction,
and an engaging portion that engages with the engaging portion along the stacking direction when the second container body is attached to the first container body and that engages with the engaging portion as the second container body slides. A packaging container, wherein a locking portion that can be separated from the locking portion is separately provided in the first container body and the second container body. The first container body has an enclosing wall portion that partially surrounds the periphery of the upper opening, and a linear inward protrusion that protrudes inward is formed on the enclosing wall portion along the intersecting direction. ,
The second container body has a second peripheral wall portion that surrounds the second bottom surface portion, and a linear outward projection that protrudes outward from the second peripheral wall portion and engages with the inward projection portion. a portion is formed along the cross direction;
As the first container body and the second container body move toward each other in the stacking direction, the surrounding wall portion expands while being elastically deformed while the inwardly projecting portion and the outwardly projecting portion are in contact with each other. 2. The packaging container according to claim 1, wherein said second container body is placed on said first container body. The second container body is placed on the first container body, and the inwardly projecting portion is engaged with the outwardly projecting portion from above, and the first container body and the second container body are separated from each other. 3. The packaging container according to claim 2, wherein is slidable in said transverse direction. The packaging according to claim 2 or 3, wherein the engaging portion and the engaged portion are separately provided on the inward projecting portion and above the outward projecting portion of the second peripheral wall portion. container. The surrounding wall portion is formed in a C-shape in a plan view, which surrounds one side in the cross direction and both side portions connected thereto and is open on the other side in the cross direction,
3. A slide movement supporter is provided at a position on the opening side of the surrounding wall in the first container body for supporting the second bottom surface from the lower surface when the second container body is slid. 5. The packaging container according to any one of 4. The second bottom portion is formed in a curved shape that protrudes downward when viewed from the side,
6. The packaging container according to claim 5, wherein the slide movement support portion has an inclined surface along the curved lower surface of the second bottom portion. 7. The packaging container according to claim 6, wherein the inwardly projecting portion and the outwardly projecting portion are formed in a downwardly convex curved shape corresponding to the curve of the second bottom portion.

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