JP2010013158A - Cake packaging container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cake packaging container which enables cake manufacturers to easily perform cake decoration work, and eaters to easily cut the cakes, and is convenient for carrying. <P>SOLUTION: The cake packaging container is equipped with a container body formed of a synthetic resin having a bottom plate for placing the cake on its upper face, a hanging wall hung from the outer peripheral edge of the bottom plate, and a flange on the outer peripheral edge of the hanging wall, and a lid body formed of a synthetic resin having a top plate on the upper face, a side wall, and an opening at the lower end. The bottom plate is formed into a cup-shape which is expanded in an upper direction by making the central part as an upper position and makes a loose curved face or into a step-shape which makes a part containing the central part of the bottom plate as an upper floor and falls down toward the outer peripheral edge. The lid body covers the container body and can close the container body by the lid body. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a cake packaging container used for take-out, portable use and the like that accommodates decoration cakes such as birthday cakes and Christmas cakes.

  Conventionally, a variety of structures have been used as take-out containers that can be purchased at the store and taken home at the store, or home-made decoration cakes that can be carried and carried at the store. A container having a tunnel-type box body that is fully open on both front and rear sides, and an opening / closing lid part that fully opens and closes the front and rear openings of the box body. A cake-made paper container provided is known (see, for example, Patent Document 1). Alternatively, a shallow container body with a low peripheral wall that serves as a guide for the lid from the periphery of the square tray on which the decoration cakes are placed and the inner side of the basket, and a side wall that is deeper than the cake height A paper container having a lid body that is externally fitted to the peripheral wall of the container body is commonly used. In these paper containers, after storing and closing the cakes placed in the tray having the cake fixing metal fittings in the center of the cardboard mount and piercing the fixing metal fittings in the center of the cake, for example, It is carried with a ribbon attached to the entire paper container.

  However, paper dust may be generated in a paper container, or paper dust may adhere to the end surface of the paper. If these paper dust is present, it adheres to cakes and is not preferable for food hygiene. . Also, since there is a cake fixing bracket in the center of the tray on which the cake is placed, the knife hits the bracket when removing the tray from the paper container and cutting the circular cake with a knife etc. Or feel uncomfortable. Also, the tray has no mark for placing the cakes, and it takes time to place the cakes so that they do not protrude from the tray.

Also, it is provided with a synthetic resin container bottom body for placing the cake, and a synthetic resin transparent lid that covers the upper surface side of the container bottom main body. The upper surface of the container bottom main body projects upward. A synthetic resin container has been proposed in which convex portions are formed in series along the outer peripheral edge of the container bottom main body (see, for example, Patent Document 2). Although the above-mentioned container is made of synthetic resin, the problem of paper dust has been eliminated, but the upper surface of the container bottom main body has a convex shape that protrudes upward in series along the outer peripheral edge of the container bottom main body. Because the part is formed, it gets in the way when decorating the cake with fresh cream etc. Further, when cutting the cake with a knife etc., the knife etc. hits the convex part and the outer peripheral part of the cake is partly cut Since this is not possible, there is a problem in that it is necessary to shift the knife or the like to cut the work. Further, since there is no mark on the container bottom body, there is a problem that it takes time to place the container body so that the center of the container body and the center of the cakes substantially coincide.
Utility Model Registration No. 3048960 Utility Model Registration No. 3022059

  Therefore, the present invention has been made to solve the above-mentioned problems, and the object of the present invention is to make it easy for the cake manufacturer or seller to decorate the cake, and for the consumer or eater to use the cake. It is to provide a packaging container for cake that can be easily cut and is easy to carry.

  In order to achieve the above object, the present invention according to claim 1 is provided with a bottom plate for placing a cake on an upper surface, a hanging wall hanging from the outer peripheral edge of the bottom plate, and an outside of the hanging wall. A synthetic resin container body having a flange at the periphery, a top plate on the upper surface of the container body that is covered and closed, a side wall that continues to the outer periphery of the top plate, and an opening at the lower end of the side wall A lid made of a synthetic resin, and the bottom plate of the container body has a cup-like shape that bulges upward and has a gently curved surface with the center portion of the bottom plate as an upper portion or a portion including the center portion of the bottom plate. The cake packaging container is characterized in that it is formed in a stepped shape that goes down toward the outer peripheral edge, and is configured such that the lid body covers the container body and the container body can be closed by the lid body.

  The present invention according to claim 2 is the cake packaging container according to claim 1, wherein the top surface of the bottom plate is radially upward from the center of the bottom plate and protrudes radially upward. A guide portion is provided which has a central portion of the uppermost portion and a gentle downward gradient curve in the outer peripheral direction.

  Moreover, the present invention according to claim 3 is the cake packaging container according to claim 1 or 2, wherein a ridge that draws a circle centering on the center of the bottom plate is provided on the upper surface of the bottom plate, A cross section cut from the center portion of the bottom plate toward the outer periphery has a mountain shape upward.

  Moreover, the present invention according to claim 4 is the cake packaging container according to any one of claims 1 to 3, wherein a convex protrusion is formed on the upper surface of the bottom plate, and the protrusion is the A plurality of diameters are provided on the circumference of a diameter having a predetermined dimension with the center portion of the bottom plate as the center.

Moreover, the present invention according to claim 5 is the cake packaging container according to any one of claims 1 to 4, wherein a cooling agent storage portion for storing the cooling agent is provided on the top surface of the top plate of the lid. It is characterized by being.

  A packaging container for cake according to the present invention is a synthetic resin container main body provided with a bottom plate for placing a cake on an upper surface, provided with a hanging wall depending from the outer peripheral edge of the bottom plate, and having a flange on the outer peripheral edge of the hanging wall And a top plate on the top surface of the container body that is closed and covered with a top plate, a side wall connected to the outer peripheral edge of the top plate, and a lid made of synthetic resin having an opening at the lower end of the side wall, The bottom plate of the container body is formed in a cup shape that swells upward with the center portion of the bottom plate as an upper portion to form a gentle curved surface or a stepped shape that descends toward the outer periphery with the portion including the center portion of the bottom plate as the upper floor. By covering the container body with the lid body and closing the container body with the lid body, when the decoration cake is placed on the bottom plate, the center portion of the lower part of the sponge cake is swollen upward and the upper part Bite into the center of the bottom plate More positional deviation of the cake can be prevented.

  Further, the present invention according to claim 2 is such that the upper surface of the bottom plate is radially upward from the center portion of the bottom plate and protrudes upward in the radial direction, and the center portion of the bottom plate is the uppermost position and descends gently in the outer peripheral direction. By adopting a configuration in which a guide portion having a gradient curve is provided, it serves as a guideline for cutting the cake, and the cake can be cut evenly with a knife or the like. Further, the guide portion becomes a rib to reinforce the bottom plate, and at the same time as the container body is molded, the bottom plate can be prevented from being deformed. It also prevents the cake from slipping and can be carried safely.

  According to the third aspect of the present invention, there is provided a scissors that draws a circle centering on the center of the bottom plate on the top surface of the bottom plate, and the cross section cut from the center of the bottom plate toward the outer periphery is upward. Due to the mountain shape, the effect of preventing the misalignment of the cake is further enhanced and it can be carried safely. In addition, by making the cocoon into a mountain shape, the cocoon can be made smoothly without obstruction when the cut cake is separated by the server.

  Further, in the present invention according to claim 4, a plurality of protrusions are formed on a circumference having a diameter of a predetermined dimension centering on a center portion of the bottom plate. With this configuration, it becomes a guideline for placing the cake on the upper surface of the bottom plate, the positioning can be facilitated, and the cake can be placed so that the center of the cake and the center of the bottom plate substantially coincide. In addition, there is an anti-slip effect on the cake, so you can carry the cake with confidence.

Moreover, this invention of Claim 5 can be carried in the state which accommodated the cold insulating agent by setting it as the structure which provides the cold insulating agent accommodating part which accommodates a cold insulating agent in the top-plate upper surface of a cover body.

The above-described present invention will be described below with reference to the drawings.
1 is a perspective view showing an embodiment of a cake packaging container according to the present invention, FIG. 2 is a plan view showing a container body of the cake packaging container according to the present invention, and FIG. 3 is a cross-sectional view taken along line XX of FIG. 4 is a cross-sectional view taken along the line YY in FIG. 1 showing the lid of the cake packaging container according to the present invention, FIG. 5 is a perspective view showing a use state of an embodiment of the present invention, and FIG. FIG. 7 is a plan view showing another embodiment of the container body of the packaging container for cake according to the present invention, FIG. 8 is a sectional view taken along the line X′-X ′ of FIG. Reference numeral 1, 1 'is a container body, 2 is a lid, 3 is a decoration cake, 10 and 10' are bottom plates, 11 is a hanging wall, 11a is a first hanging wall, 11b is a second hanging wall, and 12 is a flange. , 13 is a central part, 14 is a hinge part, 15 is a fitting piece, 15a is a hook part, 16 is a guide part, 17 is a hook, and 17a is loose. Slope, 17b is a steep slope, 18 is a protrusion, 20 is a top plate, 21 is a side wall, 22 is an opening, 23 is a hook receiving part, 24 is a bulging wall, 25 is a cold storage container, 25a is a vent, 26 is A handle, 27 is a handle storage portion, A is a cake packaging container, and θ ₁ and θ ₂ are inclination angles.

  FIG. 1 is an exploded perspective view for explaining a configuration of an embodiment of a cake packaging container according to the present invention, and an alternate long and short dash line in the drawing indicates, for example, a decoration cake to be packaged. As shown in FIG. 1, the packaging container A for cake of the present invention includes a container body 1 made of a synthetic resin for placing a decoration cake 3, and a synthetic resin that is covered and closed on the upper surface side of the container body 1. And a lid 2 made of metal.

  2 is a plan view of the container body 1, and FIG. 3 is a cross-sectional view taken along the line XX of FIG. The container body 1 includes a bottom plate 10 for placing a cake on the top surface, a hanging wall 11 hanging from the outer peripheral edge is provided on the outer peripheral edge of the bottom plate 10, and a lid body is formed outward along the outer peripheral edge of the hanging wall 11. 2 and a flange 12 extending horizontally to an extent corresponding to a thickness of 2.

  The hanging wall 11 includes a first hanging wall 11a extending from a substantially middle position in the height direction to the bottom plate 10 and a portion extending from the middle position to the flange 12 bulging slightly outward from the first hanging wall 11a. It is comprised from the hanging wall 11b. The hanging wall 11 is the first hanging wall 11a and the second hanging wall 11b. However, the hanging wall 11 is not limited to this, but is arbitrary. This is preferable because the suitability of stacking (stacking) the container body 1 is improved.

  As shown in FIGS. 1 and 3, the bottom plate 10 of the container body 1 is formed in a cup shape that swells upward and has a gently curved surface with the center portion 13 of the bottom plate 10 as the upper side. Further, on the outer peripheral edge of the flange 12, three tongue-like fitting pieces 15 are provided on the outer peripheral edge of the flange 12 so as to extend outwardly and divide the outer periphery substantially equally. Further, the fitting piece 15 is provided with an inverted L-shaped hook portion 15 a that is fitted upward to the hook receiving portion of the lid body 2. The number of the fitting pieces 15 can be appropriately set depending on the size and weight of the cake to be packaged. Usually 3-4.

  Further, the upper surface of the bottom plate 10 has a square shape in which the cross section perpendicular to the direction connecting the center portion 13 and the outer peripheral side is radially convex outward from the center portion 13 of the bottom plate 10 and connected to the outer peripheral side. Six guide portions 16 are provided so as to divide the bottom plate 10 equally, with the central portion 13 of the bottom plate 10 being the uppermost position and forming an approximately arcuate curve with a gentle downward slope in the outer circumferential direction. The guide portion 16 serves as a guideline for cutting the decoration cake placed on the bottom plate 10, and the cake can be cut evenly with a knife or the like along the guide portion 16. Furthermore, since the guide part 16 becomes a rib and the strength of the bottom plate 10 is reinforced, the container body 1 is prevented from being deformed and the cake is prevented from slipping.

Further, two ridges 17 are provided on the upper surface of the bottom plate 10 so as to draw a circle centering on the central portion 13 of the bottom plate 10. An enlarged cross-sectional view of the flange 17 is shown in the circle of FIG. As shown in the figure, the cross section of the flange 17 cut from the central portion 13 of the bottom plate 10 toward the outer periphery forms a mountain shape upward, and the outer peripheral edge of the bottom plate 10 is a gentle slope 17a and the central portion 13 side is It is a steep slope 17b. In other words, the relationship between the inclination angle θ ₁ formed by the gentle slope 17 a on the outer peripheral edge side of the bottom plate 10 and the extension line of the bottom plate 10, and the inclination angle θ ₂ formed by the steep slope 17 b on the center portion 13 side and the extension line of the bottom plate 10 is θ ₁ ≦ θ _The inclination angle θ ₁ is preferably 30 to 45 °, and the inclination angle θ ₂ is preferably 45 to 90 °. By making the outer peripheral edge side of the bottom plate 10 a gentle slope 17a, when the cut cake is separated from the bottom plate 10 by the server, the trough 17 can be smoothly performed without obstruction, and the central portion 13 side of the bottom plate 10 is formed with the steep slope 17b. By doing so, the misalignment of the cake can be prevented and it can be carried safely.

  Further, a projection 18 that is convex upward is formed on the upper surface of the bottom plate 10, and the projection 18 has a diameter with a predetermined dimension centered on the central portion 13 of the bottom plate 10, for example, circumferences of 15 cm and 18 cm. A plurality of each are provided on the top. The number of the protrusions 18 can be appropriately provided depending on the size of the cake. For example, in the case of a No. 5 cake or a No. 6 cake, it may normally be 20 to 100 pieces. The shape of the protrusion 18 may be narrowed toward the tip, and for example, a hemispherical shape, a conical shape, or a pyramid shape is preferable. The protrusion 18 serves as a guideline for placing the cake on the upper surface of the bottom plate 10, so that the cake can be easily positioned, and the cake is placed so that the center of the cake and the central portion 13 of the bottom plate 10 substantially coincide with each other. can do. It also prevents the cake from slipping, so you can carry it with peace of mind. A diameter of 15 cm is provided for placing No. 5 cake, and a diameter of 18 cm is provided for placing No. 6 cake. Note that one or more circles drawn by the flanges 17 and the protrusions 18 may be provided. However, it is preferable that the ridge 17 is provided on the center portion 13 side of the bottom plate 10 with respect to the circle drawn by the protrusion 18, so that the cake is always placed on the ridge 17 even if the position where the cake is placed is slightly deviated. Therefore, it is possible to reliably prevent the cake from slipping.

  Next, the lid 2 of the cake packaging container A will be described with reference to FIGS. 1 and 4. The lid body 2 has a top plate 20 on the upper surface and a side wall 21 connected to the outer peripheral edge of the top plate 20, and has a dome shape with the lower end portion of the side wall 21 being an opening 22. A lower portion of the side wall 21 of the lid body 2 is provided with a bulging wall 24 bulging outward through a hook receiving portion 23 provided along the outer periphery of the side wall 21. Moreover, the hook receiving part 23 is formed in the U-shaped groove shape. When the lid 2 is put on the container body 1, the inner surface of the bulging wall 24 is fitted to the second hanging wall 11 b of the container body 1, and the lower end edge of the hanging wall 11 is brought into contact with the flange 12 of the container body 1. It is configured to be closed. Further, the fitting piece 15 is folded back by the hinge portion 14 and the inverted L-shaped hook portion 15a of the fitting piece 15 is fitted to the U-shaped groove-shaped hook receiving portion 23 of the lid body 2 to be locked. Can be closed by the lid 2. In addition, since the U-shaped groove-shaped hook receiving part 23 is provided along the outer periphery of the side wall 21, when fitting the hook part 15a, it does not need to align and there exists an effect which gives a user convenience.

  On the top surface of the top plate 20 of the lid body 2, there is provided a cryogen storage unit 25 for storing the cryogen near the center. The cryogen storage unit 25 is formed to be recessed in a rectangular shape on the side of the opening 22 so that the cryogen can be stored. On the bottom surface of the cryogen storage unit 25, the cold air of the cryogen is contained in the cake packaging container A. A plurality of slit-shaped vents 25a are formed so as to be filled.

  Further, a U-shaped handle 26 made of, for example, a synthetic resin is attached to the central portion of the top plate 20, and a handle storage portion 27 for storing the handle 26 is concave on the opening 22 side. When stored, it is formed so as not to protrude above the surface of the top plate 20. The U-shaped handle 26 is a separate part. For example, convex protrusions are provided on both ends of the U-shaped handle 26, and concave portions are provided on the side portions of the handle storage portion 27 corresponding thereto. It is configured to be movable by fitting.

  Next, a method of using the cake packaging container A configured as described above will be described with reference to FIGS. 1, 5, and 6. FIG. 5 is a perspective view showing a use state of an embodiment of the present invention, and FIG. 6 is a cross-sectional view taken along the line ZZ of FIG. 5, showing a portion where the lid and the container body are locked. . First, as shown in FIG. 1, the decoration cake 3 is placed on the upper surface of the bottom plate 10 of the container body 1 along a plurality of protrusions 18 provided on a circumference having a predetermined diameter, and then the lid 2 The bulging wall 24 is fitted into the second hanging wall 11b of the container body 1 and the lower end edge of the bulging wall 24 is brought into contact with the flange 12 to close the lid. The fitting piece 15 is folded back by the hinge portion 14 and the hook portion 15a is fitted to the hook receiving portion 23, whereby the bulging wall 24 is held between the second hanging wall 11b, the flange 12, and the fitting piece 15. Then, the lid 2 is closed to the container body 1. Thereafter, as shown in FIG. 5, the handle 26 is grasped by hand and carried. Since the hook portion 15a and the hook receiving portion 23 are configured to be locked as shown in FIG. 6, they can be carried with peace of mind. When eating, the hook part 15a is removed from the hook receiving part 23, the cover body 2 is removed, and the lid is opened. The decoration cake is cut along the guide portion 16 by a knife or the like for the number of persons, and the cake cut by the server along the bottom plate 10 is divided and eaten.

  FIG. 7 is a plan view showing another embodiment of the container body of the cake packaging container according to the present invention, and FIG. 8 is a cross-sectional view taken along the line X′-X ′ of FIG. 7. As shown in FIGS. 7 and 8, the cake packaging container according to another embodiment of the present invention is different from the embodiment in the configuration of the container body 1 ′. That is, the bottom plate 10 ′ of the container body 1 ′ is formed in a five-step staircase shape with the portion including the center portion 13 of the bottom plate 10 ′ as an upper floor and descending toward the outer peripheral edge. Each floor has a concentric disk shape centered on the central portion 13. The number of stairs may be about 2 to 7, but the surface in the height direction of each step is preferably a gentle slope that gently rises from below to above, and the cut decoration cake is easily separated by the server.

  Further, on the upper surface of the bottom plate 10 ′, a cross section perpendicular to the direction connecting the center portion 13 and the outer peripheral side is formed in a square shape in a radially convex manner in the outer peripheral direction from the center portion 13 of the bottom plate 10 ′. In addition, six guide portions 16 are provided so as to divide the bottom plate 10 ′ evenly, with the central portion 13 of the bottom plate 10 ′ as the uppermost position and a substantially arcuate curve having a gentle downward slope toward the outer circumferential direction. The guide portion 16 becomes a guideline for cutting the decoration cake placed on the bottom plate 10 ′, and the cake can be cut evenly with a knife or the like along the guide portion 16. Further, the guide portion 16 becomes a rib to reinforce the strength of the bottom plate 10 ', thereby preventing the container body 1 from being deformed and preventing the cake from slipping.

  Further, an upwardly protruding protrusion 18 is formed on the upper surface of the bottom plate 10 ′, and the protrusion 18 has a diameter of a predetermined dimension centered on the central portion 13 of the bottom plate 10 ′, for example, 15 cm and 18 cm. A plurality are provided on the circumference. The number, shape, and action of the protrusions 18 are the same as those in the embodiment, and a description thereof is omitted. Further, the other configuration of the container body 1 ′ and the lid 2 are the same as those in the embodiment.

  The cake packaging container of the present invention is manufactured by injection molding using a predetermined mold using a transparent or colored synthetic resin. The synthetic resin that can be used is not limited as long as it passes the food safety and hygiene law and has injection molding suitability, but polyethylene, polypropylene, polystyrene, polyester, polyamide, polyacrylonitrile, acrylic, vinyl chloride, etc. These thermoplastic resins can be used. In addition, the fitting method of a container main body and a cover body is not restricted to said shape, A well-known fitting shape can be used.

  Next, the present invention will be described in more detail with reference to the following examples.

Polypropylene was injection-molded using a predetermined mold to produce a cake packaging container A shown in FIG. The dimensions were as follows.
Container body: outer diameter 230mmφ
Bottom plate: Cup shape with a height of 5 mm and a gentle curve toward the outer periphery
Second hanging wall: Outer diameter 223mmφ
First hanging wall: Outer diameter 220mmφ
畝 Outer diameter: Two were provided at positions of 170 mmφ and 150 mmφ.
Height 0.5mm, tilt angles θ ₁ , θ ₂ = 45 °
Guide part: Six radial lines are formed at intervals of 60 ° from the center.
Height 2mm, width 2mm
Position and number of protrusions: 72 at a position of 180 mmφ from the center
72 at 160φ from the center
Height 0.5mm hemisphere
Number of fitting pieces: Three inverted L-shaped hooks were provided at a position of 120 °.
Lid: outer diameter 226mmφ, height 168mm
Swelling wall: inner diameter 223.6 mmφ, height 21 mm
Hook receiving part: U-groove depth 1mm
Top plate: Outer diameter 160mmφ

Polypropylene was injection-molded using a predetermined mold to produce a cake packaging container provided with a container body 1 ′ shown in FIGS. 7 and 8 and a lid 2 shown in FIG. The dimensions were as follows.
Container body: outer diameter 230mmφ
Bottom plate: The height was 5 mm, and five steps of 1 mm height were provided.
First hanging wall: Outer diameter 220mmφ
Second hanging wall: Outer diameter 223mmφ
Guide part: Six radial lines are formed at intervals of 60 ° from the center.
Height 2mm, width 2mm
Position and number of protrusions: 72 at a position of 180 mmφ from the center
72 at 160φ from the center
Height 0.5mm hemisphere
Number of fitting pieces: Three inverted L-shaped hooks were provided at a position of 120 °.
Lid: Height 168mm Outer diameter 226mmφ
Swelling wall: inner diameter 223.6 mmφ, height 21 mm
Hook receiving part: U-groove depth 1mm
Top plate: Outer diameter 160mmφ

  Using the cake packaging container produced in Examples 1 and 2, No. 5 decoration cake was placed on the upper surface of the bottom plate of each container body, and the lid was put on and closed. Protrusions were used as marks in the cake packaging containers of Examples 1 and 2, and the decoration cake could be easily placed at the center of the container body. After grasping the handle of the cake packaging container by hand and swinging the arm back and forth with a swinging width of about 60 cm, the pendulum motion was reciprocated 50 times, and when the lid was opened, almost no displacement of the decoration cake was observed. Furthermore, the cake can be easily divided into six by cutting the cake knife in accordance with the position of the guide portion, and the cut cake can be easily separated by the server without losing its shape.

It is a perspective view which shows one Embodiment of the packaging container for cakes concerning this invention. It is a top view which shows the container main body of the packaging container for cakes concerning this invention. FIG. 3 is a sectional view taken along line XX in FIG. 2. It is the YY sectional view taken on the line of FIG. 1 which shows the cover body of the packaging container for cakes concerning this invention. It is a perspective view which shows the use condition of one Embodiment of this invention. FIG. 6 is a sectional view taken along line ZZ in FIG. 5. It is a top view which shows other embodiment of the container main body of the packaging container for cakes concerning this invention. FIG. 8 is a sectional view taken along line X′-X ′ in FIG. 7.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, 1 'Container main body 2 Lid 3 Decoration cake 10, 10' Bottom plate 11 Hanging wall 11a 1st hanging wall 11b 2nd hanging wall 12 Flange 13 Center part 14 Hinge part 15 Fitting piece 15a Hook part 16 Guide part 17 畝17a Slow slope 17b Steep slope 18 Protrusion 20 Top plate 21 Side wall 22 Opening portion 23 Hook receiving portion 24 Swelling wall 25 Coolant storage portion 25a Ventilation hole 26 Handle 27 Handle storage portion A Cake packaging container θ ₁ , θ ₂ Inclination angle

Claims (5)

A bottom plate for placing the cake on the top surface, a hanging wall hanging from the outer peripheral edge of the bottom plate, a synthetic resin container body having a flange on the outer peripheral edge of the hanging wall, and covering the upper surface side of the container body Provided with a top plate on the upper surface to be closed, a side wall connected to the outer periphery of the top plate, and a lid made of synthetic resin having an opening at the lower end of the side wall,
The bottom plate of the container main body is formed in a cup shape that forms a gently curved surface with the center portion of the bottom plate in the upper direction or a stepped shape that descends toward the outer periphery with the portion including the center portion of the bottom plate as the upper floor. And
A packaging container for cake, wherein the lid body is covered with the lid body so that the lid body can be closed by the lid body. Provided on the upper surface of the bottom plate is a guide portion that is radially convex upward in the outer peripheral direction from the center portion of the bottom plate, and that has a center portion of the bottom plate as the highest position and forms a gentle downward gradient curve in the outer peripheral direction. The cake packaging container according to claim 1, wherein the cake packaging container is provided. A ridge that draws a circle centering on the center of the bottom plate is provided on the upper surface of the bottom plate, and a cross section of the ridge cut from the center of the bottom plate toward the outer periphery has a mountain shape upward. The cake packaging container according to claim 1 or 2, characterized in that An upward convex protrusion is formed on an upper surface of the bottom plate, and a plurality of the protrusions are provided on a circumference having a diameter of a predetermined dimension centering on a central portion of the bottom plate. Item 4. A packaging container for cake according to any one of Items 1 to 3. The packaging container for cakes according to any one of claims 1 to 4, wherein a cooling agent storage portion for storing a cooling agent is provided on the top surface of the top plate of the lid.

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