JP2016145071A - Plastic packaging container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plastic packaging container allowing performing smooth dishing-up, giving a volume feeling to a food material, and retaining a dished-up state.SOLUTION: There are included: a food placing area 10 for placing food; a peripheral area 20 surrounding the food placing area and defining an outer fence; and a projection 100 formed by upward projecting a part of the food placing area. The projection 100 includes a crown and a plurality of recessed curve surfaces becoming lower and wider gradually from the crown, and each of the curve surfaces directs in a different direction.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a packaging container that contains food materials such as sashimi, and relates to the structure of a container body on which food materials are placed.

  A packaging container for sashimi includes a container body on which sashimi is placed, and a lid that is detachably attached to the container body so that the sashimi can be seen from the outside. The container main body includes a flat placement portion and a peripheral edge portion formed around the placement portion and fitted with a lid. A sashimi manufacturer uses a placement section to arrange a plurality of types of sashimi, cover them with a lid, and arrange them at a store or ship to a store.

JP 2012-101816 A

  As a method of serving sashimi, instead of using one wide placement section to arrange a plurality of types of sashimi, in recent years, sashimi has been subdivided and packaged according to the amount to be eaten. When arranging sashimi subdivided into one area, after serving, on the way to the store, on the way to the sales place away from the manufacturing place, further after the consumer purchases, on the way home If the served sashimi collapses, the merchantability of the sashimi will be impaired. It is desirable that sashimi can be maintained in a packaging container.

  Patent Document 1 discloses a plastic packaging container that accommodates sushi, and the packaging container is formed such that a protruding part that defines the arrangement of sushi protrudes from a mounting part on which sushi is placed. Yes. However, the protruding portion of the packaging container disclosed in Patent Document 1 is not configured to maintain a state in which sashimi is arranged during transportation.

  Moreover, in the conventional packaging container, a volume feeling cannot be obtained if the amount of the tabs to be added along with the sashimi is reduced. It is desirable to obtain a volume feeling while reducing the amount of the tab.

  Furthermore, if a container body with a side part that rises around the placement part on which the sashimi is placed is provided with a partition having the same height as the side part, the knife with the sashimi hits the partition when the sashimi is placed. This will hinder the smooth movement of sashimi.

  Such a problem may occur not only when sashimi is placed in a packaging container, but also when a plurality of foods are accommodated in small quantities in one packaging container.

  An object of the present invention is to provide a plastic packaging container that can be smoothly arranged, give the food a sense of volume, and maintain the state of the arrangement.

  The plastic packaging container of the present invention is formed by projecting a food placing area for placing food, a peripheral area surrounding the food placing area and defining an outer shell, and a part of the food placing area protruding upward A protruding portion. The protruding portion includes a top portion and a plurality of concave curved surface portions that gradually become lower and wider from the top portion. Each curved surface portion faces a different direction.

  The plastic packaging container of the present invention is preferably provided with a plurality of the protruding portions to define a flat region. Further, the protruding portion includes a ridge line portion that gradually decreases from the top portion between adjacent curved surface portions, and the ridge line portion is continuously formed between the protruding portion and the protruding portion. It is desirable.

  The plastic packaging container of the present invention preferably includes a leg portion formed by protruding a part of the food placement area adjacent to the peripheral area downward.

  According to the plastic packaging container of the present invention, the protruding portion regulates the movement of the food material, so that it is possible to maintain the laid state. Moreover, since the top part of a protrusion part is only arrange | positioned in a high position in a mounting area | region, it can reduce that a kitchen knife etc. hit at the time of arrangement | positioning. Furthermore, the food can be put on the curved surface of the protruding portion to give the food a volume feeling.

It is a perspective view which shows the container for packaging of embodiment of this invention. It is a front view which shows the container main body of embodiment of this invention. It is a right view which shows the container main body of embodiment of this invention. (A) is a top view which shows the container main body of embodiment of this invention, (B) is the top view which expanded the center protrusion part of the container main body. (A) is sectional drawing of the container main body along the AA line of FIG. 4, (B) is an end elevation of the container main body along the BB line of FIG. It is the perspective view which expanded the center protrusion part of the container main body of FIG. It is the figure which expanded the flat part periphery of the container main body of FIG. It is an enlarged view of the protrusion part shown by the arrow G of FIG. It is a partial end view of the container main body of embodiment of this invention. It is a figure which shows the use condition of the container main body of embodiment of this invention. It is a top view which shows the container main body of the modification of this invention.

  FIG. 1 is a perspective view showing a packaging container 1 according to an embodiment of the present invention. The packaging container 1 includes a container main body 2 on which food is placed and a lid 3 that covers the container main body 2.

  2 is a front view showing the container body 2, FIG. 3 is a right side view of the container body 2, FIG. 4 is a plan view of the container body 2, and FIG. 5 (A) is a container body along the line AA in FIG. 2 is a cross-sectional view of FIG. 5 and FIG. 5B is an end view of the container body 2 taken along the line BB of FIG.

  The container body 2 includes a food placement area (hereinafter referred to as a placement area) 10 on which food is placed, and a peripheral area 20 that is provided around the placement area 10 and defines the outline of the container body 2. It is formed in a dish shape with a shallow bottom. The boundary between the placement area 10 and the peripheral area 20 is set at the position of the thick broken line shown in FIG. Of the boundary, the straight line portion in the vertical direction is called a short side portion 31, and the straight line portion in the horizontal direction is called a long side portion 32.

  The peripheral region 20 is formed integrally with the placement region 10, and is at a higher position on the outer side of the rising portion 21 and an inclined surface-like portion (hereinafter referred to as the rising portion 21) that forms the container side portion. It is comprised from the part (henceforth the upper end part 22) which is provided and forms the upper end of the peripheral area | region 20. FIG. The rising portion 21 and the upper end portion 22 are connected at a position corresponding to the corner of the placement area 10 to form a corner portion 23.

  The container body 2 includes a protruding portion 100 disposed on the inner side of the upper end portion 22 of the peripheral region and an outer protruding portion 200 disposed on the upper end portion 22 of the peripheral region so as to maintain the state where food is arranged. ing. The inner protrusion 100 is provided at the center of the placement area 10 and the boundary between the placement area 10 and the peripheral area 20. The protruding portion 100 (hereinafter referred to as the central protruding portion 100A) disposed at the center is formed by protruding a part of the placement region 10 upward, and is disposed at the boundary (hereinafter referred to as the boundary protruding portion). 100B) is formed by protruding a part of the placement area 10 and the peripheral area 20 upward.

  FIG. 6 is an enlarged perspective view of the central protrusion 100A. The central projecting portion 100 </ b> A includes a top portion 110, a ridge line portion 120, and a curved surface portion 130. The top part 110 forms the highest part of the central projecting part 100 </ b> A and is arranged at a position higher than the peripheral area 20. The top portion 110 is formed in a curved surface that is convex upward, but may be formed flat.

  The central protruding portion 100A includes four ridge line portions 120. The ridge line parts 120 are arranged around the top part 110 at intervals of 90 degrees. The ridge line portion 120 is formed as a portion whose height gradually decreases from the top portion 110 toward the short side portion 31 or the long side portion 32 in the plan view of FIG. 4. Hereinafter, as shown in FIG. 4 (B), the ridge line part 120 heading from the top part 110 toward one of the long side parts 32 (upward on the paper surface of FIG. 4) is referred to as a first ridge line part 121, and the other long side. The ridge line portion 120 toward the portion 32 side is referred to as a second ridge line portion 122, and the ridge line portion 120 from the top portion 110 toward one short side portion 31 (toward the left in FIG. 4) is referred to as a third ridge line portion 123. The ridge line portion 120 toward the other short side portion 31 is referred to as a fourth ridge line portion 124. The ridge line part 120 of the other boundary protrusion part 100B mentioned later also demonstrates the same thing as the direction of these ridge line parts 120 by the same name.

  The curved surface portion 130 is formed into a concave curved surface that gradually becomes lower and widens from the top portion 110 between the adjacent ridge line portions 120. A lower portion of the curved surface portion 130 is connected to a flat region (hereinafter referred to as a flat portion 150) of the placement region 10. Each curved surface portion 130 is arranged in a different direction.

  The boundary protrusions 100 </ b> B are provided on the short side portions 31 and the long side portions 32 that form the periphery of the placement region 10. Although the boundary protrusion 100B disposed on the left short side portion 31 indicated by the arrow C in FIG. 4 will be described, other boundary protrusions 100B are formed in the same manner.

  The boundary protruding portion 100B includes a top portion 110, a ridge line portion 120, and a curved surface portion 130, similarly to the central protruding portion 100A.

  The boundary protrusion 100 </ b> B is provided in the middle of the short side portion 31 at the left end of the placement region 10. The boundary protrusion 100B is arranged so as to line up side by side with a distance from the central protrusion 100A.

  The top portion 110 of the boundary protrusion 100B is disposed in the placement region 10 and includes a first ridgeline portion 121, a second ridgeline portion 122, a third ridgeline portion 123, and a fourth ridgeline portion 124 as the ridgeline portion 120. . The third ridge line portion 123 extends from the placement region 10 to the peripheral region 20, and the first ridge line portion 121, the second ridge line portion 122, and the fourth ridge line portion 124 are disposed in the placement region 10.

  Of the ridge line portion 120 of the boundary protrusion portion 100B, the fourth ridge line portion 124 formed toward the central protrusion portion 100A is connected to the third ridge line portion 123 of the center protrusion portion 100A. The ridge line portion 120 is formed to be continuous from the top portion 110 of the boundary protrusion portion 100B to the top portion 110 of the central protrusion portion 100A. Hereinafter, the connection portion between the ridge portions is referred to as a continuous portion 125. The continuous part 125 is formed higher than the flat part 150, and the continuous part 125 forms the lowest part of the ridgeline part 120 connecting the adjacent top parts 110.

  The third ridge line portion 123 of the boundary protrusion 100B is connected to the rising portion 21 of the peripheral region 20. The first ridge line portion 121 and the second ridge line portion 122 of the boundary protruding portion 100B are formed along the boundary between the placement region 10 and the peripheral region 20, and are formed to be lowered from the top portion 110 to the flat portion 150. ing.

  Of the curved surface portion 130 of the boundary protruding portion 100B, the curved surface portion 130 formed between the first ridge line portion 121 and the fourth ridge line portion 124 and between the second ridge line portion 122 and the fourth ridge line portion 124 is on the opposite side. Compared to the curved surface portion 130 formed in the peripheral region 20, it is formed wider.

  The long side portion side boundary protruding portion 100B indicated by the arrow D is disposed in the middle of the long side portion 32 and is formed in the same manner as the short side portion side boundary protruding portion 100B. The first ridge line part 121 of the boundary protrusion part 100B on the long side part side is connected to the second ridge line part 122 of the central protrusion part 100A via the continuous part 125.

  Boundary protrusions 100B indicated by arrows E and F provided on the other short side part 31 and the other long side part 32 are also formed in the same manner and connected to the central protrusion part 100A via the continuous part 125. ing. Five projecting portions 100 function as partition members, and four flat portions 150 are defined.

  FIG. 7 is an enlarged plan view of one flat portion 150 adjacent to the boundary protrusion 100B indicated by the arrows C and D. FIG. The flat part 150 is formed in a horizontally long rectangular shape. The continuous part 125 that connects the protruding parts 100 arranged in the horizontal direction has a longer dimension than the continuous part 125 that connects the protruding parts 100 arranged in the vertical direction.

  The protruding portion 100 is disposed at a position corresponding to the three corners of the flat portion 150, and the ridge line portion 120 is disposed between the protruding portions 100 arranged in the vertical and horizontal directions. The curved surface portion 130 of each projecting portion 100 is arranged facing the flat portion side.

  The curved surface portion 130 of the short side portion boundary protruding portion 100B extends from the curved surface portion 130 of the central protruding portion 100A to the curved surface portion 130 of the long side portion side boundary protruding portion 100B arranged at a diagonal position. The flat portion 150 is surrounded by the side surface of the flat portion 150. A portion having a slope different from that of the flat portion 150 in the placement area 10 on the continuous surface configured as described above is referred to as an enclosure portion 131.

  The container body 2 includes a plurality of convex portions 160 on the flat portion 150. The convex portion 160 has a height lower than that of the surrounding portion 131 and is formed in a granular shape.

  An outer protruding portion 200 is provided around the flat portion 150 at a position deviated from the surrounding portion 131. As shown by arrows G and H in FIGS. 4 and 7, they are arranged between the corner 23 and the peripheral protrusion 110 </ b> B, respectively.

  The outer protrusion 200 indicated by the arrow G will be described. The outer protruding portion 200 includes a top portion 210, a ridge line portion 220, and a curved surface portion 230. FIG. 8 is an enlarged view of the outer protrusion 200. Unlike the boundary protrusion 100B, the outer protrusion 200 has different sizes, shapes, and numbers. In the outer protruding portion 200, one ridge line portion 220 and two curved surface portions 230 are provided.

  The outer protrusion 200 has the top 210 disposed outside the position of the top 210 of the boundary protrusion 100B. The top 210 constitutes the highest part of the outer protrusion 200. The top part 210 is formed lower than the central protrusion part 100A and the boundary protrusion part 100B. A top 210 of the outer protrusion 200 is provided at the upper end 22 of the peripheral region 20.

  The ridge line part 220 is formed as a part that gradually decreases from the top part 210 to the flat part 150 of the placement region 10. As shown in FIG. 4, the lower end of the ridge line portion 220 is disposed close to the lower end of the second ridge line portion 122 of the peripheral protrusion portion 100 </ b> B, and further adjacent to the peripheral edge of the flat portion 150.

  Of the two curved surface portions 230, the curved surface portion 230 on the corner portion side is connected to the flat portion 150 with the ridge line portion 220 as a boundary as shown in FIG. 4. The opposite curved surface portion 230 is connected to the curved surface portion 130 on the boundary protruding portion 100B side.

  The outer protrusion 200 provided on the long side indicated by an arrow H in FIGS. 4 and 7 is formed in the same manner as the outer protrusion 200 on the short side. Even in the other flat part 150, the two protruding parts 200 are arranged at positions away from the surrounding part 131.

  As shown in FIGS. 2 and 3, legs 180 are formed at each corner of the placement area 10. The leg portion 180 is formed by projecting the placement region 10 downward.

  The upper end portion 22 of the peripheral region 20 is formed by recessing between the top portion 210 and the corner portion 23 of the outer protruding portion 200.

  The container body 2 can be attached with a lid 3 as shown in FIGS. In FIG. 1 and FIG. 3, the lid 3 is represented by a one-dot chain line. The lid 3 is formed on the ceiling 3A covering the placement area 10, the lid side 3B formed by extending downward from the periphery of the ceiling 3A, and the lower end of the lid side 3B. And an attachment portion 3 </ b> C that fits with the upper end portion 22 of the two. 3 C of attaching parts are formed so that the upper end part 22 of the container main body 2 may fit inside. In addition, the attachment method of the cover body 3 is not limited to the external fitting which matches the outer side of the container main body 2 with the inner side of the cover body 3. FIG.

  The container body 2 is formed by molding a resin material. Although the material of the container main body 2 is not limited, Preferably it is comprised, for example with a foamed polystyrene so that it may have impact property, heat retention, and heat insulation. The lid 3 attached to the container main body 2 is configured to be transparent and configured by molding a resin material. The material of the lid 3 is not limited, but is made of, for example, an impact resistant polystyrene resin (HIPS).

  The container body 2 can place food on the flat portions 150 divided by the inner protrusions 100. The food can be placed on a flat region and can be placed on the curved portions 130 and 230 of the adjacent protruding portion 100 and the outer protruding portion 200.

  For example, when serving sashimi as a food material, different sashimi can be placed on each flat portion 150. At that time, a tab is placed on the flat portion 150 and each sashimi is placed thereon. FIG. 9 shows a cross section taken along the line JJ of FIG. 7 in a state where the sashimi 320 is arranged on the flat portion 150 between the protruding portions 100 indicated by arrows C and D. The tab 310 and the sashimi 320 are arranged using the flat portion 150 and the curved surface portion 130.

  When placing sashimi using a kitchen knife, the top 110 provided in the placement area 10 and the top 210 provided in the peripheral area 20 are arranged at a distance in the vertical and horizontal directions of the container body 2. A knife can be put between the top part 110 and the top part 210 to bring it close to the flat part 150.

  The food material placed on the flat part 150 is wrapped in the surrounding part 131. The wide curved surface portion 130 of the projecting portion 100 disposed at the three corners of the flat portion 150 in the surrounding portion 131 wraps the foodstuff from three directions and maintains the state where it is arranged. Moreover, the upper side exceeding the height of the protrusion part 100 among the arranged foodstuffs is supported by the top part 110. The foodstuff is supported by the outer protrusion 220 at a position around the flat portion 150 and deviated from the surrounding portion 131.

  According to the packaging container 1, after the food is placed, the protrusion 100 protruding upward around the flat portion 150 regulates the movement of the food, even if a force that moves to the food acts. For example, the container body 2 can reduce the collapse of the shape of the prepared food, such as when the product containing the food in the container body 2 is transported from the manufacturing plant to the supermarket, or when the consumer purchases the product back home. .

  Furthermore, since the packaging container 1 can maintain the state where the inner protrusions 100 and the outer protrusions 200 are arranged around the flat part 150, as shown in FIG. Can be placed in different positions.

  Since the container main body 2 partially protrudes the placement area 10 upward and places the food material thereon, the food material can have a sense of volume. If sashimi is to be placed, as shown in FIG. 9, the amount of the tab 310 can be reduced by placing it on the curved surface portion 130, so that the sashimi can be pleasingly presented. Also, the food material can have a sense of volume by the legs 180 lifting the placement area 10 and the container body 2 being formed with a shallow depth.

(Modification)
In the packaging container 1 described above, five projecting portions 100 are provided in the placement region 10 and four flat portions 150 are defined. However, the number of projecting portions 100 is not limited to the illustrated example. For example, the ratio of the lengths of the short side portion 31 and the long side portion 32 that define the boundary between the placement region 10 and the peripheral region 20 is not limited to the illustrated example.

  The container main body 2A of the modified example shown in FIG. 11 is formed shorter in the vertical and horizontal dimensions than the container main body 2 described above, and the two flat portions 150 are configured in the placement region 10 by the two protrusions 100. doing. Each flat portion 150 is formed in a rectangular shape, and a protruding portion 150 is provided between adjacent flat portions 150.

  In the vicinity of each flat portion 150, an outer protrusion 200 is formed at a position where the inner protrusion 100 is not provided, with a top 210 disposed in the peripheral region 20. The flat portion 150 is surrounded by the outer protruding portion 200 and the inner protruding portion 100. According to the container body 2 </ b> A, the state in which the ingredients are arranged can be maintained by the inner protrusion 100 and the outer protrusion 200.

(Other)
With the above configuration, the boundary protruding portion 100B of the inner protruding portion 100 is removed from the configuration, and each ridge line portion 120 of the central protruding portion 100A is extended to the peripheral region 20 to divide the mounting region 10. May be.

  A part of the boundary protrusion 100B of the inner protrusion 100 is formed so as to enter the peripheral area 20, but the ratio of the peripheral area 20 is not limited to the illustrated example. For example, the boundary protrusion 100B May be configured only by the mounting area 10. The outer protrusion 200 is not limited to the size of the placement area 10 and the degree of intrusion into the placement area 10 is limited to the illustrated example.

  The top 110 of the inner protrusion 100 may be formed at the same height or lower than the upper end 22 of the peripheral region 20.

DESCRIPTION OF SYMBOLS 1 Packaging container 2, 2A Container main body 3 Cover body 3A Ceiling part 3B Cover side part 3C Cover lower part 10 Mounting area 20 Peripheral area 21 Rising part 22 Upper end part 31 Short side part 32 Long side part 100, 200 Protrusion part 100A Center Protruding part 100B Boundary protruding part 110, 210 Top part 120, 220 Ridge part 121 First ridge line part 122 Second ridge line part 123 Third ridge line part 124 Fourth ridge line part 125 Continuous part 130, 230 Curved part 150 Flat part 160 Convex part 180 leg

Claims (5)

A food placement area for placing food;
A peripheral area surrounding the food placement area and defining an outer shell;
A protrusion formed by protruding a part of the food placement area upward,
The protruding portion includes a top portion, and a plurality of concave curved surface portions that gradually become lower and wider from the top portion,
A plastic packaging container with each curved surface facing a different direction.   The plastic packaging container according to claim 1, wherein a plurality of the protruding portions are provided to define a flat region (hereinafter referred to as a flat portion). The protruding portion includes a ridge line portion that gradually decreases from the top portion between adjacent curved surface portions,
The plastic packaging container according to claim 2, wherein the ridge line portion is continuously formed between the protruding portion and the protruding portion.   The plastic packaging container according to any one of claims 1 to 3, further comprising a leg portion formed by projecting a part of the food placing area adjacent to the peripheral area downward. . Another protrusion (hereinafter referred to as a second protrusion) formed by partially protruding the peripheral region and the food placement region upward;
The second protrusion includes another top (hereinafter referred to as a second top) and another concave curved surface that gradually decreases from the second top and expands toward the flat portion,
The leg is provided at each corner of the food placement area formed in a rectangle,
5. The plastic packaging container according to claim 4, wherein the peripheral region includes a corner portion adjacent to the leg portion and the second top portion provided at a position close to the corner portion.

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