JP2008155989A - Tray for wrapping fruit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a thing which is a tray for wrapping fruit capable of easily separating into a small tray for every number of a unit and which can prevent bending and fracture in the handling of the storing, shipping and transporting or the like of the fruit and which can be used without fear in which the thing is separated carelessly. <P>SOLUTION: A cutting line 5 forms a straight shape among adjoining small trays a and a in the tray A for wrapping the fruit which has formed the cutting line 5 in an intermittent line shape for separation into partition sections 2, 3 between respective small trays by dividing as a small tray a into every number of the unit in the storing recess section of multiple lines in length and width, and it continues in length and width by making a flection continuation shape based on a circular arc shape in a plane view and forms so as to define a small domain 7 surrounded by the cutting line portion 51 of the flection continuation shape in the intersecting section 4 of the partition sections 2, 3 in which the corner angle sections of four small trays a gather, and this small domain 7 is connected with the corner angle sections of the four small trays a by a connection section 5b-1 formed in the cutting line portion 51 of the flection continuation shape. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a fruit packaging tray used for the shipment, transportation and sale of various fruits such as strawberries, apples and peaches, and more particularly to a fruit packaging tray in which the storage recess can be separated into small trays per unit number. is there.

  In the packaging for the shipment, transportation and sale of various fruits, the synthetic resin foam sheet is used for the purpose of facilitating the handling of the fruits and preventing and protecting the fruits from contact with each other and with other objects. As a raw material, a packaging tray is used in which a plurality of fruit storage recesses capable of storing and holding fruits in an individual packaging state are formed. Usually, the fruit is stored in a cardboard box in a state where the fruit is stored in the packaging tray and then shipped.

  In such a fruit packaging tray, in order to use the protection function of the tray used for shipping and transportation in the retail sale of fruits, etc., for sale of one or two or four pieces, etc. These are separated into small tray containers for each number of units, and are sold as they are.

  Therefore, in fruit packaging trays in which a plurality of storage recesses are formed in a plurality of rows and columns, an intermittent cut line for separation is formed around the storage recess or on a partition wall between small trays. There have been proposed trays that can be easily separated into containers of the small tray by lines (for example, Patent Document 1 and Patent Document 2).

  By the way, in the case of a packaging tray made of a synthetic resin foam sheet, the intermittent line-shaped cut line formed in the partition wall portion has a higher strength against breakage as the width of the connection portion between the cuts is larger. If it is difficult to separate, if the connection portion is forcibly separated, the breakage of the connecting portion extends to the storage concave portion of at least one small tray of the partition wall portion, and the appearance of the small tray is damaged, or the broken portion In addition, the strength of the small tray may be reduced.

  Therefore, it is desirable that the connecting portion of the intermittent line-like cut line has a small width from the viewpoint of ease of separation, but if the width of the intermittent line-like connecting portion becomes small, the separation is easy. In the case of fruit storage, packaging work, transportation, or handling of an empty tray, the connecting portion may be broken carelessly and separated.

In particular, the vertical and horizontal cut lines formed in the partition walls between the small trays intersect at the intersection of the partition walls and are formed in a straight line in the vertical and horizontal directions, so that the cut lines are bent. This is likely to occur, and the shape retaining property required in the handling operation and transportation of the tray cannot be ensured, and the connecting portion of the cut line is easily broken due to the above-described bending.
Japanese Utility Model Publication No. 57-137174 Japanese Utility Model Publication No. 5-618

  The present invention has been made in view of the above, can ensure the shape retention of the entire tray until separation, bend and break in fruit storage, shipping, handling on transportation and empty tray handling It is possible to provide a fruit packaging tray that can be used without fear of inadvertent separation and can be easily separated into small trays for each unit.

  The fruit packaging tray of the present invention that solves the above problems is formed from a synthetic resin foam sheet, has a flat rectangular outer shape as a whole, and storage recesses for storing fruits are arranged in parallel in a plurality of rows and columns through partition walls. Are formed as small trays for each unit number of the storage recesses, and a vertical and horizontal partition wall between the small trays is formed with an intermittent cut line that can be separated for each small tray. The fruit packaging tray is formed, and the cut line is straight between adjacent small trays, and is flat at the intersection of vertical and horizontal partition walls where the corners of the four small trays gather. A small region surrounded by the four continuous cut lines is formed at the center of the intersection, forming a continuous bend based on an oblique or arcuate shape. And the small region is cut in the bent continuous shape. Connected to the corners of the four small tray with the joint formed in the saw line segment, characterized by comprising.

  According to this fruit packaging tray, the intermittent cut lines for separation into each small tray are continuously bent in the vertical and horizontal directions at the intersections of the vertical and horizontal partition wall portions. A small area defined by a cut line portion is formed, and is discontinuous in a straight line in the vertical or horizontal direction, and the corners of each of the four small trays are mutually connected via the small area. In the state of being connected to, even if the width of the connecting portion is relatively easy to break at the straight cut line portion between adjacent small trays, it is difficult for the cut portion to be bent. The shape-retaining property of the entire tray is ensured satisfactorily, and there is no risk that the cut line connecting portion will be inadvertently broken and separated from the small tray during fruit storage, packaging, or handling of an empty tray.

  Moreover, when separating each small tray, by breaking the linear cut line portion between adjacent small trays from the cut line portion of the outer peripheral edge, and further cutting the small region portion, It can be easily separated into small trays.

  In particular, in the intermittent cut line, the width of one connection part formed in the bent continuous cut line part is a connection part formed in a straight cut line part between the adjacent small trays. It is preferable that the width is larger than the width of the tray. In this case, the connection strength between the corners of the four small trays connected via the small area is increased, so that the stability of the tray as a whole can be maintained well. Is done.

  Further, in the intermittent cut line, each of the bent cut line portions has a plurality of connection portions between a plurality of connection portions formed in a straight cut line portion between the adjacent small trays. Can also be formed at narrow intervals. Also in this case, the connection strength between the corner portions of the four small trays connected via the small region is increased, and the stability of the entire tray is further favorably maintained.

  In addition, in the outer peripheral edge of the fruit packaging tray, the intermittent cut line between the adjacent small trays forms a bent continuous shape based on an oblique shape or an arc shape in plan view, and Continuing from the outer peripheral edge of the tray, a small region is defined by the two bent continuous cut line portions at a portion between the small trays, and the small region is formed in each bent continuous cut line portion. It can also be connected to the corners of the two small trays by a formed connecting portion.

  In this case, the cutting line for separation is discontinuous in a straight line shape in the vertical direction or the horizontal direction also in the outer peripheral edge portion of the tray, and the corner portion of the adjacent small tray passes through the small region. Therefore, the shape retaining property of the entire tray can be maintained well. And when separating into each small tray, it can be easily separated into each small tray by cutting off the small region of the outer peripheral edge and breaking it from the linear cut line portion between the adjacent small trays. it can.

  In any of the above-described inventions, the synthetic resin foam sheet is preferably a polystyrene resin foam sheet from the viewpoints of buffering properties, breakage from the score line, and ease of separation.

  As described above, according to the fruit packaging tray of the present invention, even if the connecting portion of the straight cut line portion between adjacent small trays is relatively easy to break, the entire tray is kept until separation. The shape can be secured satisfactorily, it can be prevented from being bent or bent from the part of the cut line, and there is no risk of unintentional separation in fruit storage, shipping, transportation and handling of empty trays, The handling operability of the tray can be improved. In addition, by preventing inadvertent bending as described above, the connection portion of the cut line, in particular, the connection portion of the straight cut line portion between adjacent small trays is relatively easy to break. Therefore, it can be easily separated into small trays for each number of units of the storage recesses.

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

  1 is a perspective view showing a fruit packaging tray according to an embodiment of the present invention, FIG. 2 is a plan view of the same, FIG. 3 is a cross-sectional view of the same, and FIG. 4 is an enlarged plan view of an intersection of vertical and horizontal partition walls. 5 is a partial enlarged plan view showing a modified example of the bent continuous cut line portion of the intersection, and FIG. 6 is a partial enlarged plan view of the outer peripheral edge of the tray. FIG. 7 is a perspective view of a small tray separated from the fruit packaging tray.

  The fruit packaging tray A of the present invention is a thermoplastic synthetic resin foam sheet having appropriate elasticity and shape retention, for example, a synthetic resin foam sheet such as a polystyrene-based resin foam sheet, etc. It is integrally formed by means of forming process.

  The fruit packaging tray A has a generally rectangular outer shape in plan as a whole, and a plurality of rows of storage recesses 1 required to store and hold fruits (not shown) in an individual packaging state in vertical and horizontal directions with a predetermined interval. Are connected to each other through the partition walls 2 and 3. The tray A is divided into small trays a having a unit number of the storage recess 1 at the time of retail sale, for example, four units as shown in FIGS. The partition walls 2 and 3 have an interrupted line-like cut line that can be separated for each small tray a along the central line of the width of the upper surface thereof, that is, a width that allows the cut part 5a by the linear cut to be broken. A cut line 5 is formed which is intermittently connected via the connecting portions 5b-1 and 5b-2.

  The intermittent cut line 5 forms a straight line between the adjacent small trays a and a, and intersects the vertical and horizontal partition walls 2 and 3 where the corners in the planar outline of the four small trays a gather. In the plan view, the portion 4 is continuously bent in the vertical and horizontal directions, that is, from the vertical direction to the horizontal direction, or from the horizontal direction to the vertical direction. The continuous cut line portions 51 define the outer shape of the corners of the four small trays a, and are surrounded by the four bent continuous cut line portions 51 at the center of the intersecting portion 4. The plane defines a small area 7 having a star shape. The small regions 7 are respectively connected to the corners of the four small trays a by at least one connecting portion 5b-1 formed in each of the bent continuous cut line portions 51. The corners of the four small trays a are connected to each other through the small area 7. In other words, the small region 7 is formed so as to serve as a connecting piece interposed between the corners of the four small trays a. Reference numeral 52 denotes a straight cut line portion between adjacent small trays a and a.

  In the cut line 5, the length of the cut portion 5a (distance between the connection portion and the connection portion) and the width in the cut line direction of the connection portions 5b-1 and 5b-2 (between the cut portion and the cut portion). Can be appropriately set within a range that can be broken and separated into each small tray a according to the material of the synthetic resin foam sheet, the expansion ratio, the thickness, and the like. The length L of the cut portion 5a is set in a range of 10 to 60 mm, and the widths W1 and W2 of the connection portions 5b-1 and 5b-2 are set in a range of 0.5 to 4.0 mm.

  Further, the connection portion 5b-1 of the bent continuous cut line portion 51 and the connection portion 5b-2 of the straight cut line portion 52 may have the same width. As shown in FIG. 4, the width W1 of the connection portion 5b-1 of the bent continuous cut line portion 51 is larger than the width W2 of the connection portion 5b-2 formed in the straight cut line portion 52. It is preferable to keep it. As a result, the connection strength between the small region 7 and the corners of the four small trays a is greater than the connection strength by the connection portion 5 b-2 of the linear cut line portion 52, and the small region 7 passes through the small region 7. As a result, the connection strength of the four small trays a is increased, and the shape retaining property of the whole tray until it is separated into the small trays a is well maintained. For example, when the width W2 of the connecting portion 5b-2 of the linear cut line portion 52 is 0.5 to 3.0 mm, the width W1 of the connecting portion 5b-1 of the bent continuous cut line portion 51 is set to It is slightly larger than the width W2, and is set to about 0.8 to 4.0 mm.

  In addition, in the bent continuous cut line portion 51, as shown in FIG. 5, a plurality of connection portions 5b-1 are connected to a plurality of connection portions 5b-2, 5b- formed in the straight cut line portion 52. The connection strength between the small region 7 and the corner portion of each small tray a is made larger than the connection strength by the connection portion 52b in the linear cut line portion 5b. In this case as well, the shape-retaining property until separation into small trays is maintained well as described above.

  Furthermore, at the outer peripheral edge of the fruit packaging tray A, as shown in the embodiment shown in FIG. 6 in an enlarged manner, an intermittent line-shaped cut line 5 formed between two adjacent small trays a and a is provided. In a plan view, the outer shape of the corners of both small trays a and a is formed continuously with the outer peripheral edges of both small trays a and a by forming a bent continuous shape based on, for example, an arc shape. A small area 8 having a substantially triangular shape surrounded by the two bent continuous cut line portions 51 ′ can be defined on the outer peripheral edge. In this case, the small region 8 and the corners of the two small trays a are connected to each other by the at least one connection portion 5b-1 formed in each of the bent continuous cut line portions 51 '. The small trays a and a are connected to each other at the outer peripheral edge portion with the small region 8 interposed as a connecting piece.

  Thereby, the shape retaining property of the whole fruit packaging tray A can be further improved, and the effect of preventing bending and separation from the cut line portion 5 during fruit storage and packaging operations, during transportation, or handling of an empty tray, etc. Can be increased. As shown in FIGS. 1 and 2, if the small area 8 having a substantially triangular shape is cut out and cut into a substantially V shape, separation of each small tray a is facilitated, but the entire tray A is maintained. From the viewpoint of formability, it is preferable to leave the small region 8 as a connecting piece as described above.

  Regarding the bent continuous cut line portion 51 ′ at the outer peripheral edge, the width and interval of the connecting portion 5 b-1 are the same as the connecting portion 5 b-1 of the bent continuous cut line portion 51 at the intersecting portion 4. Can be implemented.

  When the bent continuous cut line portion 51 has an arc shape, the radius can be arbitrarily set as long as the plane star-shaped small region 7 can remain in the central portion. In the line portion 51, the distance from the opening end of the storage recess 1 is set to be larger than the distance from the opening end of the storage recess 1 in the linear cut line portion 5b as described above. Even when the width of the connecting portion 5b-1 is increased, it is more preferable that the connecting portion 5b-1 is not easily affected by the breakage of the connecting portion 5b-1.

  The bent continuous cut line portions 51 at the intersecting portions 4 of the vertical and horizontal partition wall portions 2 and 3 have an arc shape in plan view, and the four corners in the outer shape of the small tray a separated by the cut lines 5 have an arc shape. When each of the small trays a is separated, each corner has a circular arc shape, and can be suitably used for retail sales as it is. For example, as shown by the chain line in FIG. 7, the small tray a that stores and holds the fruits is stored in a container 20 that is a transparent container made of a synthetic resin and has arcuate rounded corners at four corners. It will be possible to sell it without problems.

  In addition, the bent continuous cut line portion 51 at the intersecting portion 4 of the vertical and horizontal partition wall portions 2 and 3 is formed into an arc shape having a small curvature, or as shown in FIG. It can be carried out in the same manner as described above by making the shape continuous with the cut line portion 52. In this case, a planar rhombic small region 7 is left and formed at the intersecting portion 4, and the corners of the four small trays a through the small region 7 by the connecting portion 5 b-1 of the cut line portion 51. Will be linked. Similarly to the above, the cut line portion 51 ′ that is bent continuously between the adjacent small trays a and a at the outer peripheral edge portion can also be formed in an arc shape or a slant shape with a small curvature.

  FIG. 9 shows an example in which the above-described embodiment is divided into vertical and horizontal partition walls 2 and 3 between the small trays a and a by dividing the storage recesses 1 arranged vertically and horizontally into two small trays a. The case where the same intermittence-like cut line 5 is formed is shown.

  In the case of this embodiment, except that the small tray a has two storage recesses 1 as the unit number, it is the same as the above-described embodiment, the same reference numerals are given to the same components, and the detailed description is omitted. As shown in the drawing, the intermittent cut line 5 is formed in a straight line between the adjacent small trays a and a vertical and horizontal partition wall portion 2 where the corner portions of the four small trays a gather. 3 crossing portions 4 are bent continuously in an arc shape in a plan view and are continuous vertically and horizontally, and the bent continuous cut line portions 51 form the outer shape of the corners of the four small trays a. And defines a planar star-shaped small region 7 surrounded by four bent continuous cut line portions 51 at the center of the intersecting portion 4, and the small region 7 includes the bent portion 7. At least one connecting portion 5b-1 formed in each continuous cut line portion 5a Four are connected respectively corner of small tray a, thereby, corners of the four respective small trays a are connected to each other via the small region 7.

  As the synthetic resin foam sheet of the constituent material of the fruit packaging tray A of the present invention, various thermoplastic synthetic resin foam sheets can be used. In particular, they have moderate rigidity and elasticity and good buffering properties. In addition, a foamed sheet of polystyrene resin having good breakability, that is, a foamed sheet of polystyrene resin such as high impact polystyrene, a copolymer mainly composed of polystyrene and styrene, or the like can be preferably used. If necessary, a non-foamed resin skin layer may be formed on the surface of the foamed sheet. The thickness of the foamed sheet varies depending on the material, but is, for example, 1.0 to 6.0 mm, preferably 2.0 to 5.0 mm, and a foaming ratio in the range of 5 to 20 times is suitably used. .

  The fruit packaging tray A of the present invention is packed in a cardboard box or the like in a state in which fruits are individually stored in each storage recess 1 when shipping and transporting various fruits. Used to prevent and protect against damage from contact with other objects.

  In particular, in this use, the fruit packaging tray A according to the present invention has an intermittent cut line 5 for separation into each small tray a bent at the intersecting portion 4 of the transversal partition wall portions 2 and 3. Continuous and longitudinally and laterally continuous, defining a small region 7 defined by the bent continuous cut line portion 51, discontinuous in a straight line in the vertical or horizontal direction, and Since the corners of the four small trays a are connected to each other via the small region 7, the connecting portion 5b-2 is formed in the straight cut line portion 52 between the adjacent small trays a and a. Even if the width of the tray is relatively easy to break, it is difficult for the cut line 5 to be bent, so that the overall shape-retaining property of the tray A is maintained well, and during fruit storage and packaging operations When transporting or handling empty trays, There is no possibility that connection portion 5b-1,5b-2 are inadvertently broken small tray a from being freely separated. In particular, even in the portion between the adjacent small trays a and a in the outer peripheral edge portion, when formed in a bent continuous shape so as to form the small region 8, the effect of preventing the bending and the breakage is increased.

  In addition, in retail sales at the transport destination, when separating each of the small trays a, the linear cut line portion 52 between the adjacent small trays a and a from the cut line 5 portion of the outer peripheral edge portion is provided. By breaking, the portion of the small area 7 can be cut out and separated for each small tray a. When the small region 8 is formed in the part of the cut line 5 in the outer peripheral edge, the small region 8 can be cut out and separated in the same manner as described above. At this time, when the small region 7 and the small region 8 are cut off, the connecting portion 5b-1 formed in the bent continuous cut line portion 51 is connected to the corner portion of the small tray a. For this reason, the breakage of the connecting portion 5b-1 does not easily reach the portion of the housing recess 1, and there is no possibility that the strength is lowered.

  The small tray a separated as described above is used for retail sales as it is, for example, displayed in the store with the small tray a as it is, or accommodated in the transparent container 20 as shown by the chain line in FIG. Used for display.

  The fruit packaging tray of the present invention is a fruit packaging tray used for the shipment, transportation, etc. of various fruits such as strawberries, apples, pears, peaches, etc., and in particular, the storage recess is separated into small trays for each unit in retail sales. It can be suitably used as a fruit packaging tray that can be used as a product.

It is a perspective view which shows the tray for fruit packaging of one Example of this invention. It is a top view same as the above. It is sectional drawing same as the above. It is an enlarged plan view of the crossing part of the vertical and horizontal partition walls. It is a one part enlarged plan view which shows the example of a change of the bending continuous cutting line part of an intersection part. It is an enlarged plan view of a part of the outer peripheral edge of the tray. It is a perspective view of the small tray which the tray for fruit packaging same as the above isolate | separated. It is a partial enlarged plan view which shows the other example of the bending line | wire cut line part of a crossing part. It is a top view which shows other Example.

Explanation of symbols

  A ... Fruit packaging tray, a ... Small tray, 1 ... Storage recess, 2, 3 ... Vertical and horizontal partition walls, 4 ... Intersection, 5 ... Cut line, 51 ... Bent continuous cut line part, 52 ... Straight line Cutting line portion, 5a ... cutting portion, 5b-1 ... connection portion of continuous bending cutting line portion, 5b-2 ... connection portion of straight cutting line portion, 7 ... small region of vertical and horizontal intersections, 8: Small area of outer peripheral edge, 20: Transparent container, L: Length of cutting part, W1, W2: Width of connecting part.

Claims (5)

Formed from a synthetic resin foam sheet, has a flat rectangular shape as a whole, and storage recesses for storing fruits are formed in parallel in a plurality of rows and columns through partition walls, and each unit number of the storage recesses Is a fruit packaging tray in which a vertical and horizontal partition wall between each small tray is formed with an intermittent cut line that can be separated for each small tray,
The incision line is linear between adjacent small trays, and at the intersection of vertical and horizontal partition walls where the corners of the four small trays gather, it is basically slanted or arcuate in plan view. Continuing in a vertical and horizontal form with a continuous bend, a small region is defined in the central portion of the intersecting portion surrounded by the four continuous cut lines. A fruit packaging tray, wherein the tray is connected to a corner portion of the four small trays by a connecting portion formed in a cut line portion.   In the intermittent cut line, the width of the connection portion formed in each bent continuous cut line portion is larger than the width of the connection portion formed in the straight cut line portion between the adjacent small trays. The fruit packaging tray according to claim 1 which is large.   In the intermittent cut line, each of the bent continuous cut line portions has a plurality of connection portions, rather than between the plurality of connection portions formed in the straight cut line portions between the adjacent small trays. The fruit packaging tray according to claim 1, wherein the fruit packaging tray is formed at a narrow interval.   In the outer peripheral edge portion of the tray, an intermittent cut line between adjacent small trays forms a continuous bent shape based on an oblique shape or an arc shape in plan view, and continues to the outer peripheral edges of the two small trays. A small region is defined by the two bent continuous cut line portions in the portion between the two small trays, and the small region is formed by a connection portion formed in each bent continuous cut line portion. The fruit packaging tray according to any one of claims 1 to 3, wherein the fruit packaging tray is connected to corners of the two small trays.   The fruit packaging tray according to any one of claims 1 to 4, wherein the synthetic resin foam sheet is a polystyrene resin foam sheet.

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