JP5465632B2 - Fruit packaging material - Google Patents

Description

  The present invention relates to a fruit packaging material mainly used for storing and packaging fruits such as melon in an outer box.

  Conventionally, when relatively large and heavy fruits such as melons are stored one by one or several at a time in an outer box such as a cardboard box, the stored fruits may be damaged if they move inside the outer box. Therefore, various buffer materials and support materials are used to keep the fruit from moving.

  For example, in the case of fruits such as peaches, pears and apples, a tray in which a plurality of storage recesses are formed from a synthetic resin foam sheet or the like is used, but in the case of relatively large and heavy fruits such as melons, In addition to the possibility of bottoming, the effect of restricting movement is low, and it is necessary to hold the padding so that it does not move using a cushioning material.

  Therefore, instead of the tray-shaped packaging material, as in Patent Document 1, a partition material formed by folding a paper material such as cardboard and a small box formed separately by folding a fruit such as melon Using a partition material formed by forming a receiving surface and a partition wall having a storage recess by cutting, by folding a sheet of paper as in Patent Document 2, A method for storing and holding fruits such as melons in a partitioned state has been proposed.

  However, in any of the above cases, a sheet of paper is folded and assembled into a predetermined shape for use, and is difficult to handle, difficult to assemble, and difficult to set on the outer box, and is also buffered. In addition to the poor nature, the effect of regulating the movement of the fruit was not sufficient.

JP-A-7-96932 JP-A-9-12072

  The present invention has been made in view of the above, and as a fruit packaging material used to store and package relatively large and heavy fruits such as melons in an outer box such as a cardboard box, it is easy to handle, A fruit packaging material that can be easily set in an outer box, can be easily wrapped in fruits, can stably hold the stored fruits in an individually packaged state, has excellent buffering properties, and can protect fruits well. Is to provide.

The present invention for solving the above-mentioned problems is a packaging material used for storing and packaging fruits in an outer box, and is formed integrally from a synthetic resin foam sheet, and has two holding recesses for holding fruits. The half parts are connected to each other so as to be able to bend and stand in the opposing direction via the hinge part, and the two half parts are respectively an inner plate part that becomes a mutual opposing surface when standing and an outer side that becomes the upper surface. The plate part is continuously arranged with the bent part in the middle, and at the time of standing both halves opposite to each other, the inner plate part is opposed to at least the lower part of the fruit at the front and rear or the left and right side halves. One or a plurality of holding recesses that can be held respectively are formed by leaving the peripheral portions of the inner plate portion and the outer plate portion so as to bulge to the back side, and support a part of the holding recess when standing. with protrusions outward as the leg portion is formed, leaving projecting But wherein the composed it is formed so as to form a projecting shape downward from the hinge portion during standing of the halves thereof.

According to the fruit wrapping material, in use, both halves are bent from the hinge part so that the inner side plate part stands vertically and the inner side plate parts are opposed to each other. One holding part that the holding concave part of the half body faces and opens upward can be formed, and it is only necessary to store and set in the outer box in this state, so that the assembling operation and the setting work in the outer box It is easy to wrap the fruit. Moreover, the order supporting recessed portions of the halves body is to be supported owns spacing between the external box by protrusions of the supporting leg, held in the holding section by the holding recess Can hold fresh fruits with good buffering properties.

Furthermore, since the inner side plate portions of the two halves face each other in a vertical direction, it is possible to sufficiently support a vertical load due to fruit storage, and the protruding portions that serve as the supporting leg portions are Since the two halves are formed so as to protrude downward from the hinge when the two halves stand up, the hinge where the bottom of the stored fruit comes into contact with the bottom of the outer box is in a floating state Therefore, the buffering property at the bottom of the fruit is also well maintained.

  In the fruit packaging material, the projecting portion serving as the support leg includes a projecting surface that becomes the lower surface of the leg portion when both halves stand in the center of the holding recess, and an outer plate portion from the projecting surface. The protrusion shape which has the protrusion surface of the up-down direction used as the outer side surface of the leg part to the bottom can be comprised. This protrusion serves as a reinforcing rib that suppresses deformation of each holding recess, and can hold a fairly heavy fruit with good stability.

  In the fruit packaging material, the projecting portion serving as the support leg is formed to project on the back side of the holding recess so as to form a square cross section, and the interval between both side surfaces of the projecting portion is the leg. It can be formed so as to gradually widen from the protruding surface side that becomes the lower surface of the portion toward the outer plate portion side, and has an open shape upward. Thereby, while the said protrusion part plays the role of the reinforcement for the deformation | transformation suppression of the recessed part for holding | maintenance, it plays the role of the ventilation path connected to the bottom face side of a fruit by having open | released upwards in this upper surface. It also becomes.

  The said fruit packaging material WHEREIN: It is preferable that the said hinge part shall consist of two V-shaped groove | channels formed by pressing.

  As described above, according to the fruit packaging material of the present invention, it is made of a molded body made of a synthetic resin foam sheet and is easy to handle. Since it is only necessary to stand up so that the parts face each other, the assembly operation and the setting work in the outer box are easy to perform, and because the storage part by the holding recesses of both halves is opened upward, The storing operation of the fruit is also easy, whereby each fruit can be stably held at a predetermined position.

  In addition, the holding recess in the state in which the fruit is stored is supported with a space between the outer box and the protruding portion as a supporting leg, and does not directly contact the bottom surface or side surface of the outer box. Therefore, in combination with the elastic force of the synthetic resin foam sheet, a good buffering effect can be exhibited, and fruit can be well protected. Therefore, it can be suitably used for storing and packaging relatively large and heavy fruits such as melons in an outer box such as a cardboard box.

It is a perspective view of the expansion | deployment state of the packaging material for fruits of this invention. It is a top view of the packaging material for fruits same as the above. It is sectional drawing of the III-III line same as the above. It is a perspective view of the state which bent both halves of the packaging material for fruits same as the above. It is sectional drawing same as the above. It is a side view same as the above. It is sectional drawing of the VII-VII line of a previous figure.

  Next, embodiments of the present invention will be described based on examples shown in the drawings.

  The fruit wrapping material A of the embodiment shown in the figure is a thermoplastic synthetic resin foam sheet having an appropriate elasticity and shape retention, for example, a foamed sheet of a polystyrene resin, which is subjected to a thermoforming process such as vacuum forming or pressure forming. It is integrally formed in a deployed state by means.

  In this fruit packaging material A, front and rear or left and right half halves 1 and 2 having holding recesses 11 and 21 that hold fruits F such as melons to be packaged face each other through a hinge 3 at the center. In this way, they are arranged so that they can be bent upright in the opposite direction. In the case of the figure, the left and right half halves 1 and 2 are connected to each other through a central hinge portion 3 extending in the front-rear direction so as to be bent upright. The hinge part 3 is composed of two V-shaped grooves 31 and 31 formed by pressing, so that a predetermined hinge strength can be secured and the half parts 1 and 2 are folded to face each other. It is preferable because it is easy to stand up. Further, since a gap can be generated when bent, air permeability can be ensured. Furthermore, in practice, it is preferable to form the elastic restoring force to the outside moderately in a state where it is bent and raised as described above.

The half halves 1 and 2 have inner plate portions 12 and 22 that face each other at the time of standing and outer plate portions 13 and 23 that become upper surfaces with bent portions 14 and 24 in the middle. As shown in FIG. 4, in the standing state of the half halves 1 and 2 that are arranged in a right-angled bending shape and the inner plate portions 12 and 22 face each other vertically as shown in FIG. 4 . One or more (two in the case of illustration) holding recesses 11 and 21 that hold at least the front and rear or the left and right side halves of the fruit F facing each other are provided on each of the inner plate portions 12 and 22. The peripheral edge portions 13a and 23a of the peripheral edge portions 12a and 22a and the outer side plate portions 13 and 23 are left in the form of a plate, and the hinge portion 3 is formed to bulge to the back side so as to be a bottom portion. In other words, one holding portion is formed by the holding concave portions 11 and 21 of the two halves 1 and 2 facing each other. Usually, the inner peripheral surfaces of the holding recesses 11 and 21 have an arcuate curved surface corresponding to the spherical shape of the fruit F on the side where the lower part of the fruit F to be packaged contacts.

  About the depth of the storage part by the said holding recessed parts 11 and 21 in the bending upright state of both the half parts 1 and 2, the height of 1/2 or more of the fruit F, for example, substantially the whole fruit can be stored and held. Although it can be formed to a depth, as shown in the figure, it is easy to store and take out the fruit F, the appearance at the time of display at the store, the moldability from the synthetic resin foam sheet, etc. In addition, it is preferable to form the lower part of the fruit F so as to accommodate and hold the lower part of the fruit F up to about half the height.

  As described above, when the depth of the storage portion by the holding recesses 11 and 21 is increased, the width (height at the time of standing) of the inner plate portions 12 and 22 is increased, and the holding recesses 11 and 21 are placed on the upper surface. What is necessary is just to form it by making it open | release by the width | variety same as the largest width | variety at the side of the outer side board parts 13 and 23 used.

  Part of the holding recesses 11 and 21 of the half halves 1 and 2, for example, the central part, is outward (back side) serving as support legs that receive the load of the stored fruit F. The projecting portions 15 and 25 are formed so as to project downward from the hinge portion 3 when the half halves 1 and 2 stand up. In order to make the shape projecting downward from the hinge portion 3, the projecting portions 15 and 25 are arranged at the end on the hinge portion 3 side in the holding recess portions 11 and 21, and the inner plate portions 12 and 22. Is formed to protrude on the back surface side so as to be continuous at an angle larger than a right angle. The protrusions 15 and 25 that serve as the support legs have a shape protruding downward from the hinge portion 3 when both halves 1 and 2 stand up, and are stored in the holding recesses 11 and 21. Any form may be used as long as it serves as a supporting leg for supporting the load of F.

  In the case of the illustrated embodiment, the protrusions 15 and 25 have a square cross-sectional shape with the side surfaces inclined in a tapered manner on the back side of the holding recesses 11 and 21 at the center of the holding recesses 11 and 21. And projecting surfaces 15a and 25a that are lower surfaces of the legs that come into contact with the bottom surface of the outer box when the two halves 1 and 2 stand up, and continuous from the projecting surfaces 15a and 25a to the outer plate parts 13 and 23. It has a projecting shape having upper and lower projecting surfaces 15b and 25b that become the outer surface of the leg portion, that is, the outer surface along the side surface of the exterior box. The projecting portions 15 and 25 are configured such that lower portions of the projecting surfaces 15b and 25b which are the outer surfaces of the leg portions in the standing state are inclined slightly inward toward the lower end side, and both projecting surfaces 15a. The bending portion between 15b and the protruding surfaces 25a and 25b is not excessively deepened to facilitate molding.

  The spacing between both side surfaces of the projecting portions 15 and 25 can be set as appropriate so that the load of the stored fruit F can be received with stability, but in the case of the figure, the side of the projecting surface 15a that becomes the lower surface of the leg portion. Is formed so as to gradually widen from the outer plate portions 13 and 23 toward the outer plate portions 13 and 23, and is open upward. On the lower side, the load of the fruit F stored and held in the holding recesses 11 and 21 is formed. The upper part can support the fruit F elastically.

  As the synthetic resin foam sheet used as the constituent material of the fruit tray A of the present invention, polystyrene resin, polyolefin resin such as polypropylene, polyethylene and cross-linked polypropylene resin, high density polyethylene resin, polyester resin, polyvinyl chloride resin Various thermoplastic synthetic resin foam sheets having other appropriate elasticity and having a shape-retaining strength necessary for use can be used. From the viewpoint of shape retention and cost, a polystyrene resin foam sheet is preferably used.

  Although the thickness of the foam sheet varies depending on the material used, it is usually 1 mm or more in thickness, preferably 10 mm or less, more preferably in the range of 1 to 7 mm, can be molded, and fruit A thickness having a shape-retaining strength that does not deform in the housed state is used. For example, in the case of a polystyrene-based resin foam sheet, about 2 to 5 mm is preferable, and a foam sheet having an expansion ratio or density of about 5 to 15 times is preferably used. The packaging material is a hinged state in which the inner plate portions 12 and 22 of the half halves 1 and 2 are in the center by the means such as vacuum forming using a mold using the synthetic resin foam sheet as a raw material. It is formed in a developed state having a right angle across the part 3 and trimmed to a predetermined dimension.

The fruit packaging material A formed as described above is used as an interior material, a partition material, or the like when a relatively large and heavy fruit F such as melon is stored and packaged in an exterior box B such as a cardboard box. In this use, as shown in FIG. 4, both halves 1 and 2 are bent at the central hinge portion 3 so that the inner plate portions 12 and 22 face each other vertically. The holding recesses 11 and 21 are matched to form a single storage portion, and are accommodated in the exterior box B as shown in FIG. 5, and the outer plate portions 13 and 23 are perpendicular to the side surface of the exterior box B. Set it so that it makes contact .

At this time, even if the half halves 1 and 2 bent and raised at the central hinge portion 3 return to their original unfolded state due to the inherent elastic force, the peripheral edge portions 13a of the outer side plate portions 13 and 23 that become the upper surfaces. , 23a abuts against the side surface of the outer packaging box B, so that further return is prevented, whereby both halves 1 and 2 are held in a bent upright state. Moreover, the inner side board parts 12 and 22 of the said half parts 1 and 2 have made the perpendicular | vertical and can support the load of the perpendicular direction by fruit accommodation.

  In addition, the protrusions 15 and 25 as support legs provided in the holding recesses 11 and 21 of the half halves 1 and 2 come into contact with the bottom surface of the exterior box B, and the holding recesses 11 and 21 are One storage portion is formed oppositely and held between the bottom surface of the outer packaging box B with an interval.

  Therefore, it suffices to store the fruit F such as melon to be packaged from the lower part in the storage part formed by matching the holding recesses 11 and 21 of the standing halves 1 and 2, and the storage operation is easy and predetermined. It can be held in position and can be stored and packaged without the risk of contact between fruits even when storing a plurality of fruits. Moreover, the lower portion of the stored fruit F is stably held by the arcuate curved surfaces of the holding recesses 11 and 21, and the protruding portions 15 and 25 serving as the support legs are used for the outer box B. It will be held with a gap between the inner surface. Therefore, the fruit F stored in combination with the buffering property of the material of the synthetic resin foamed sheet can be held with good buffering property, and the protection can be improved.

  In particular, the protrusions as the supporting legs protrudingly formed in the holding recesses 11 and 21 are continuously opened to the outer plate 13 that is the upper surface at the inner peripheral part of the holding recess, thereby A continuous breathability can be ensured on the bottom side of the fruit, and the fruit can be further protected.

  The fruit packaging material of the present invention can be suitably used for packaging relatively heavy and large fruits such as melons, and can also be suitably used for packaging other fruits.

  A ... packaging material for fruit, B ... exterior box, F ... fruit, 1, 2 ... half, 3 ... hinge part, 11, 21 ... recessed part for holding, 12, 22 ... inner plate part, 13, 23 ... outer side Plate part, 12a, 22a; 13a, 23a ... Peripheral part, 14, 24 ... Bent part, 15, 25 ... Projection part, 15a, 25a ... Projection surface which becomes leg part lower surface, 15b, 25b ... Leg part outer surface and The protruding surface that becomes.

Claims (4)

A fruit wrapping material used for storing and packaging fruits in an outer box, wherein two halves formed integrally from a synthetic resin foam sheet and having holding recesses for holding the fruits are connected via hinges. Are connected to each other so that they can be bent upright,
Each of the half halves has an inner plate portion that is a surface facing each other and an outer plate portion that is an upper surface that are connected to each other with the bent portion in the middle, and the inner plate portion is vertical. One or a plurality of holding recesses that can hold at least the front and rear or left and right side halves of the fruit facing each other when the halves facing each other stand up. And is formed to bulge to the back surface side, and an outward projecting portion that becomes a supporting leg portion when standing is formed on a part of the retaining recess, and the projecting portions are formed on the two halves. A fruit packaging material, wherein the packaging material is formed so as to project downward from the hinge portion when the body stands . The projecting portion that serves as the supporting leg includes a projecting surface that becomes the lower surface of the leg portion when both halves stand in the central portion of the holding recess, and an outer surface of the leg portion that continues from the projecting surface to the outer plate portion. The fruit packaging material according to claim 1, wherein the fruit packaging material has a protruding shape having a protruding surface in a vertical direction. The projecting portion serving as the support leg is formed to project on the back surface side of the holding recess so as to form a square cross section, and the spacing between both side surfaces of the projecting portion is from the projecting surface side serving as the lower surface of the leg portion. The fruit packaging material according to claim 2 , wherein the fruit packaging material is formed so as to gradually increase in width toward the outer side plate portion and is open upward. The fruit packaging material according to any one of claims 1 to 3 , wherein the hinge portion is formed of two V-shaped grooves that are formed by pressing.

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