JP6503709B2 - Pallet package and packing method - Google Patents

Description

  The present invention is a pallet package constructed by bundling a pallet and one or more articles to be packed placed on the pallet by a shrink film body which is shrunk (heat-shrinked), and the pallet package body It relates to the technology of the packing method.

  Conventionally, for example, a pallet package in which one or a plurality of articles to be packaged are placed on a pallet for physical distribution, and the pallet and the articles to be packaged are bound by a shrink (heat shrink) shrink film body It is known (for example, refer to "patent document 1").

Japanese Utility Model No. 04-049048

In the pallet package, in order to be able to accommodate more pallet packages in a limited space such as a factory or a warehouse, for example, pillars are erected at four corners of the upper surface of the pallet, and these pillars It is known that a plurality of pallet packages can be stacked in multiple tiers using.
Here, in the case where such a post is provided in the pallet package, after the posts are erected at the four corners of the upper surface of the pallet, if the binding operation by the shrink film body is performed, these posts become obstructive. There is a possibility that the shrink film body can not be sufficiently wound in with respect to the four corners of the upper surface of the pallet, and the bonding force of the shrink film body to the pallet may be lowered.
On the other hand, prior to erecting the support at the four corners of the upper surface of the pallet, if it is necessary to perform a binding operation with the shrink film body, through holes for erecting the support must be formed in the shrink film body. In addition, it was difficult to maintain the sealed state of the pallet package.

  The present invention has been made in view of the above-described problems of the present invention, and it has been made to shrink (heat shrink) a pallet and one or more objects to be packaged placed on the pallet. In a pallet package constructed by bundling with a shrink film body, a pallet package in which pillars are erected at four corners of the upper surface of the pallet, and a plurality of pallet packages can be stacked in multiple stages using these pillars It is an object of the present invention to provide a pallet package that is capable of maintaining a sealed state while preventing a reduction in the cohesive force of the shrink film body against the pallet, and a method for packing the same. I assume.

  The problem to be solved by the present invention is as described above, and next, means for solving the problem will be described.

  That is, the pallet package of the present invention is a pallet package comprising a pallet, one or more articles to be packed placed on the pallet, and a shrink film body for shrink-packing the articles to be packed. The shrink film body is suspended from the peripheral edge of the bag body portion for sealing the articles to be packed and the peripheral edge of the bag body portion, and the side surface of the pallet is rolled up, so that the bag body portion is attached to the pallet And a fixed curtain portion.

According to the pallet package of the present invention having such a configuration, for example, even in the case where pillars enabling stacking of other pallet packages can be erected at the four corners on the pallet, respectively, The through hole for allowing the support film to pass through the shrink film body is perforated only in the curtain body portion and hardly reaches the bag body portion, so that the sealed state of the bag body portion can be maintained.
In addition, after each support is made to penetrate through the shrink film body through a through hole formed in the curtain, the curtain is wound on the side of the pallet in order to erect the support at four corners on the pallet. In such a case, each support is less likely to interfere, and a reduction in the binding force of the shrink film body to the pallet can be prevented.

  Further, in the pallet package of the present invention, the pallet has a joint portion for erecting a column in a detachable manner, and the curtain body portion corresponds to the column at each corresponding position with the joint portion. It is characterized by having a penetrable through hole.

  According to the pallet package of the present invention having such a configuration, when erecting each support on the pallet via the joint portion, the support film is shrunk via the through hole formed in the curtain portion. It can easily penetrate the body.

  Further, in the pallet package of the present invention, the pallet has a rectangular shape in a plan view, the joint portion is provided at four corners of the pallet, and the post penetrating the curtain body portion through the through hole is Each of the joint portions is provided upright.

  According to the pallet package of the present invention having such a configuration, at the four corners on the pallet other than the objects to be packed, the support pillars penetrating the curtain body through the through holes are easily set up by the joint portion. It can be done.

  Further, in the pallet packaged body of the present invention, the pallet includes a top plate protruding in a peripheral direction, and an end portion of the curtain body bites toward a lower surface of the top plate so that the bag body portion It is characterized in that it is fixed to the pallet.

  According to the pallet package of the present invention having such a configuration, the end portion of the curtain can be easily bited into the lower surface of the top plate of the pallet, and the work efficiency can be improved. The binding force of the shrink film body can be made stronger.

  Further, in the pallet packaged body of the present invention, the thermal contraction rate of the curtain body portion is smaller than the thermal contraction rate of the bag body portion.

  According to the pallet package body of the present invention having such a configuration, the bag body portion shrinks more rapidly than the curtain body portion under the heating condition at the same temperature, so the pallet package is placed on the pallet The object to be packaged is immediately sealed and held, so that it is possible to prevent a load collapse.

  Further, the packing method of the present invention is a packing method for shrink-packing one or a plurality of objects to be packaged placed on a pallet, wherein the peripheral edge of the pallet is between the pallet and the object to be packaged. A laying step of laying a sheet-shaped first film member so as to protrude, a covering step of covering the pallet and the package with a bag-shaped second film member, and after the laying step and the covering step The first film member and the second film member are shrunk along the package and the pallet, and the first film member and the second film member are joined to seal the package. And a shrinking step of forming a shrink film body fixed to the pallet.

According to the packing method of the present invention having such a configuration, the bag step for sealing the object to be packed by the shrinking step, and hanging from the peripheral edge of the bag, while winding the side of the pallet, A curtain is formed to fix the bag to the pallet. Thus, for example, even in the case where pillars for stacking other pallet packages can be erected at the four corners on the pallet, the through holes for penetrating the pillars through the shrink film body are: Since it is perforated only in the curtain part and does not extend to the bag part, the sealed state of the bag part can be maintained.
In addition, after each support is made to penetrate through the shrink film body through a through hole formed in the curtain, the curtain is wound on the side of the pallet in order to erect the support at four corners on the pallet. In such a case, each support is less likely to interfere, and a reduction in the binding force of the shrink film body to the pallet can be prevented.

  Further, according to the packing method of the present invention, before the shrinking step, a short pillar having a lower height than the packed material loaded on the pallet is erected in advance so as to be removable from the joint portion provided on the pallet. And a short pole placement step.

According to the packing method of the present invention having such a configuration, in the short pillar arranging step, after each short pillar is erected on the joint portion on the pallet, the laying step, the covering step, and the shrinking step are sequentially performed. Become.
As a result, the overlapped portion of the portion from the portion lifted by the short column in the first film member to the portion (peripheral portion) protruding from the pallet and the lower end portion of the second film member are fused It is possible to easily form a shrink film body composed of a bag body portion for sealing an object and a curtain body portion depending on the periphery of the bag body portion.

  Further, according to the packing method of the present invention, after the shrinking step, a through hole is formed at a position where the first film member and the second film member are joined at the position where the short column is provided, The method may further include a pillar arranging step of erecting a pillar having a height higher than the packed material loaded on the pallet after the short pillars are removed from the joint portion.

  According to the packing method of the present invention having such a configuration, it is formed at the bonding portion (that is, the curtain portion) with the first film member and the second film member while maintaining the sealed state of the object to be packed. Through the through hole, the short column can be easily removed, and then the post can be erected at the joint portion.

  According to the pallet package and the pallet packing method of the present invention, it is possible to maintain the sealed state while preventing the reduction in the binding force of the shrink film body to the pallet.

BRIEF DESCRIPTION OF THE DRAWINGS The perspective view which showed the whole structure of the pallet package which concerns on one Embodiment of this invention. FIG. 2 is a view showing the overall configuration of the pallet package, and a sectional front view seen from the direction of arrow X in FIG. 1; FIG. 7 is a view showing the state of the pallet package when it is constructed over time, in which (a) is a cross-sectional front view showing a state immediately after the package placed on the pallet is covered with the shrink film body; (B) is the cross-sectional front view which showed the state after heating a shrink film body.

  Next, an embodiment of the invention will be described.

[Pallet package 1]
First, the whole structure of the pallet package 1 which embodies this invention is demonstrated using FIG. 1 and FIG.
In the following description, for the sake of convenience, the vertical direction, the left-right direction, and the front-rear direction of the pallet package 1 are described by the directions of the arrows shown in FIGS. 1 and 2 for convenience.

  The pallet package 1 in the present embodiment is one in which one or a plurality of items to be packaged 2 are packaged while being placed on the pallet 3 in a stable posture, and as shown in FIG. The package 2, the pallet 3, the insole 4, the shrink film body 5, and the support 6 are provided.

The to-be-packaged thing 2 is comprised by the some glass tube (not shown) integrated.
Here, the glass tube is, for example, a glass member used for a medical ampule, a fluorescent tube for illumination, etc., and is formed in a long hollow cylindrical shape.

And a plurality of glass tubes are formed in equal length, respectively, and are accumulated in a plurality of rows and a plurality of stages.
The accumulated plurality of glass tubes are packaged by a wrapping paper or the like, and then shrink packaged by a shrink film to be configured as the package 2.
In this way, the to-be-packaged object 2 is comprised by the elongate substantially rectangular parallelepiped shape, and a packaging form is firmly hold | maintained by the said shrink packaging.

In addition, in this embodiment, although it is supposed that the packaging form of the to-be-packaged goods 2 is hold | maintained by shrink packaging, it is not limited to this.
For example, the wrapping form of the to-be-packaged item 2 may be held by winding the periphery of the to-be-packaged item 2 while applying an appropriate tension with a stretch film or the like.

  Further, the contents of the item to be packaged 2 are not limited to the substantially rectangular parallelepiped-shaped aggregate comprising a plurality of glass tubes as shown in the present embodiment, and the contents of the pallet 3 including the columns 6 described later. It may be any as long as it has an appearance shape that can be placed on the upper surface.

Next, the pallet 3 will be described.
The pallet 3 is, for example, a pallet for physical distribution and serves as a base of the pallet package 1.
The pallet 3 is made of, for example, an optimum material selected appropriately, such as metal and thermoplastic resin made of FRP (reinforced plastic), and is configured as a rectangular-shaped receiving base capable of inserting a claw for transporting a forklift. Ru.

  The top plate 31 of the pallet 3 is formed so as to protrude in the peripheral direction, and when the shrink film body 5 is shrunk (heat shrink) to bind the articles 2 as described later, the shrink film body 5 is The peripheral portion can be easily bited into the lower surface of the top plate 31, and the bonding force of the shrink film body 5 with respect to the pallet 3 can be further strengthened while improving the working efficiency.

The shape of the top plate 31 is not limited to that of the present embodiment, and may not be protruded in the peripheral direction, for example, and may be formed in substantially the same shape as the bottom surface of the pallet 3.
In this case, a floor plate (not shown) which is slightly larger than the pallet 3 in plan view is separately prepared, and the floor plate is laid on the top surface of the top plate 31 so as to protrude in the peripheral direction. The same effect as the top 31 can be obtained.
Further, by preparing such a floor plate as a separate body, for example, the same effect as the top plate 31 of the present embodiment can be easily obtained even for an existing pallet which is not formed to protrude in the peripheral direction. Can.

The hollow joint portions 31a, 31a, 31a, 31a are provided upright on the upper surface of the pallet 3, ie, at the four corners of the top plate 31, respectively.
Then, columns 6, 6, 6 and 6 to be described later are erected on the pallet 3 by being detachably fitted to these joint portions 31a, 31a, 31a and 31a.

  The configuration of the joint portion 31a is not limited to the present embodiment, for example, as long as the support 6 can be erected while being detachably held, for example, a through hole is simply bored. It may be any configuration.

  In the pallet 3 configured as described above, a plurality of items to be packed 2 are arranged at the center of the top surface of the top plate 31 in a predetermined number per stage (for example, four in the present embodiment) And is placed in parallel in the left-right direction (the direction orthogonal to the longitudinal direction as viewed in plan) with the longitudinal direction as the front-rear direction.

And, the objects to be packed 2 · 2 ··· (hereinafter, appropriately described as "packed object group 2A") arranged in a plurality of rows in each row are columns 6 erected at four corners on the pallet 3 -It is mounted via the insole member 4 mentioned later, avoiding 6 * 6 * 6.
That is, on the pallet 3, a plurality of packaged object groups 2A, 2A,... Sandwich the insole members 4, 4. Stacked on the

Next, the insole member 4 will be described.
The insole member 4 is a member interposed as a shock absorbing material disposed between the plurality of package groups 2A, 2A,... Stacked on the pallet 3.
The insole member 4 is formed of, for example, a rectangular sheet-shaped cardboard.

  And the insole member 4 is mounted so that the whole upper surface of the to-be-packaged thing group 2A in each level may be covered.

Next, the shrink film body 5 will be described.
The shrink film body 5 is sealed on the pallet 3 by shrink-wrapping the to-be-packaged groups 2A, 2A,... Stacked in a plurality of stages to hold the loaded form (packed form), and This is a member for firmly binding the package groups 2A, 2A,... To the pallet 3.
The shrink film body 5 is composed of a sheet-shaped first film member 51 and a bag-shaped second film member 52.

  The materials of the first film member 51 and the second film member 52 are not particularly limited, and any material such as PVC (polyvinyl chloride), PP (polypropylene), or PE (polyethylene) can be used. It may be Further, the materials of the first film member 51 and the second film member 52 may be the same as each other, or may be different from each other.

The first film member 51 is formed to have a sufficiently large surface area as compared with the top plate 31 of the pallet 3, and when the pallet package 1 is packaged, the pallet 3 and the lowermost stage on the pallet 3 Between the loaded package group 2A and the loaded package group 2A, the pallet 3 is laid out in the front-rear and left-right directions.
At this time, as described later, the first film member 51 is held in a slightly raised state by the short pillars 7 (see FIG. 3) temporarily set up at the four corners of the top plate 31 respectively. Be done.

On the other hand, the second film member 52 is formed so as to have sufficient internal capacity to simultaneously accommodate the pallet 3 and the plurality of packages 2A, 2A,... The groups 2A, 2A,... Are arranged to be covered from above.
At this time, the lower end portion of the second film member 52 reaches the lower surface of the pallet 3 and extends from a portion lifted by the short column 7 in the first film member 51 to a portion (peripheral portion) protruding from the pallet 3 It will be in a superimposed state with the part.

Then, as described later, the first film member 51 and the second film member 52 in such a state are simultaneously heated to cause heat contraction simultaneously, whereby the first film member 51 and the second film member 52 are generated. The overlapping portions of are fused together.
Thereby, as shown in FIG. 2, at the center of the upper surface avoiding the four corners of the pallet 3, the second film member 52 simultaneously covers the plurality of packages to be packaged 2 A, 2 A,. The opening at the lower end is closed and sealed by 51.
That is, the first film member 51 and the second film member 52 form a bag-like bag portion 5A that simultaneously seals the plurality of packages 2A, 2A,.

  Further, the overlapping portion of the first film member 51 and the second film member 52 fused together is formed as a curtain 5B hanging from the periphery of the lower end of the bag 5A, and the end of the curtain 5B Since the end portion of the curtain body 5B can easily bite into the lower surface of the top plate 31 by winding the side of the pallet 3, the binding force of the shrink film body 5 to the pallet 3 can be made stronger. It can be

By the way, the first film member 51 and the second film member 52 are set such that the thermal contraction rate is different from each other (more specifically, the thermal contraction rate of the first film member 51 is the second The heat shrinkage rate of the film member 52 is set to be smaller than that of the film member 52), and the first film member 51 is set to contract more gently than the second film member 52 under the same heating condition. ing.
In other words, the thermal contraction rate of the curtain portion 5B consisting of the overlapping portion of the first film member 51 and the second film member 52 is the bag portion 5A for simultaneously sealing the plurality of packages 2A, 2A,. It is set to be smaller than the heat shrinkage rate of
As a result, the bag body portion 5A shrinks more rapidly than the curtain body portion 5B under the heating condition at the same temperature. Therefore, a plurality of package groups 2A, 2A,.・ It will be sealed and held immediately, and it will be possible to prevent load collapse.

As described above, the shrink film body 5 in the present embodiment is subjected to heat contraction by heating to thereby simultaneously seal the plurality of groups of packaged objects 2A, 2A,... And a curtain body 5B for fixing the bag body 5A to the pallet 3 so that the side surface of the pallet 3 is rolled up.
Thereby, for example, as described later, in the case of forming through holes 5a, 5a, 5a, 5a for erecting the supports 6, 6, 6 and 6 at the four corners of the top plate 31, in the case of forming the shrink film body 5, The through holes 5a, 5a, 5a, 5a do not extend to the bag portion 5A, and the sealed state of the plurality of packages 2A, 2A, ... on the pallet 3 can be maintained.

Next, the support 6 will be described.
The support 6 is, for example, capable of storing more pallet packages 1. 1... In a limited space such as a factory or a warehouse, and stacked other pallet packages. It is a possible member.
The support 6 is made of a metal long member, and is formed of, for example, a square pipe, a steel pipe or the like (for example, in the present embodiment, a square pipe).

The support 6 is erected on the pallet 3 by one end (for example, the lower end in the present embodiment) of the support 6 being detachably inserted into the joint 31 a of the top plate 31.
Note that the total length of the support 6 is set to a sufficient length so as to be higher on the pallet 3 than the total height of the package groups 2A, 2A,... Stacked in a plurality of stages.

  On the other hand, although not shown in detail, the other end (for example, the upper end in the present embodiment) of the support 6 is configured to be attachable to and detachable from the four corners of the lower surface of the pallet 3 The stacked pallet package 1 ("pallet package 1a" in FIG. 2) can be firmly held.

  And, between the supporting pillars 6 and 6 adjacent to each other, a connecting member 61 for connecting the other end (upper end) of each is horizontally extended, and four supporting pillars are provided standing at four corners on the pallet 3 The rigidity of 6-6 6-6 as a whole is improved.

As will be described later, the four columns 6, 6, 6 and 6 having the above-described configuration are a plurality of packages 2A, 2A,... Then, the shrink film 5 (more specifically, the curtain 5B) is penetrated through the through holes 5a, 5a, 5a and 5a perforated in the curtain 5B, and the joint 31a of the pallet 3 is formed. · 31a · 31a · 31a is inserted.
Therefore, when the peripheral edge portion of the shrink film body 5 is wound around the four corners of the top plate 31 of the pallet 3, it is possible to prevent these pillars 6, 6, 6 and 6 from being disturbed as much as possible. It is possible to prevent the cohesion of the

[Packing method]
Next, the packing method at the time of constructing | assembling the pallet package 1 in this embodiment is demonstrated using FIG. 2 and FIG.
In the following description, for the sake of convenience, the vertical direction and the left-right direction of the pallet package 1 are described by the directions of the arrows shown in FIG.

  First of all, as shown in FIG. 3 (a), at the four corners of the top plate 31 of the pallet 3, the short columns 7 are detachably inserted into the respective joint portions 31a and erected in advance (short column arrangement Step) Thereafter, the first film member 51 is laid on the top plate 31 so as to protrude around the pallet 3 (laying step).

  Here, the short pillars 7 temporarily stand on the top plate 31 as a jig for shrinking (heat shrinking) the shrink film body 5 into a predetermined shape consisting of the bag portion 5A and the curtain portion 5B. It is set up.

  The short column 7 is formed of, for example, a heat-resistant columnar member such as a metal, and one end thereof is formed detachably with respect to the joint portion 31a, while the other end is an entire end face on one side It is formed to be inclined.

Then, the short column 7 is inserted into the joint portion 31a through the one end portion, and temporarily erected on the top plate 31 of the pallet 3 with the other end portion facing upward.
At this time, the short column 7 is disposed such that the end face of the other end inclines in the downward direction toward the peripheral direction of the pallet 3.

The total length of the short pillars 7 is set to a height lower than that of the objects 2 loaded on the pallet 3 in a state of being erected on the top plate 31.
More specifically, the entire length of the short column 7 has a sufficient sag margin when the peripheral portion of the first film member 51 once lifted by the short column 7 rolls in the side surface of the pallet 3 (see FIG. Hanging from the pallet 3 while having the dimension A) in.
For example, in the present embodiment, the total length of the short column 7 is set such that the drooping margin (dimension A) of the peripheral portion of the first film member 51 is approximately 300 [mm].

  After laying the first film members 51 on the top plate 31 of the pallet 3, a predetermined number (for example, four in the present embodiment) are provided at the center of the top surface of the top plate 31 with the first film members 51 interposed therebetween. Items to be packaged 2) (ie, items to be packaged 2A (hereinafter referred to as “first packaged object group 2A1” as required)), short columns 7. 7 of four corners of top plate 31・ Place in parallel while avoiding 7-7.

After placing the first to-be-packaged group 2A1 on the top surface of the top plate 31, a rectangular plate-shaped insole member 4 (hereinafter referred to as “first insole member 4A1 as needed” on the top surface of the to-be-packaged item group 2A. Put ").
Thereafter, on the upper surface of the first insole member 4A1, a predetermined number of items to be packed 2 ···· 2, ie, items to be packed 2A (hereinafter referred to as “second items to be packed 2A2” as required) Place in parallel.

  After placing the second to-be-packaged group 2A2 on the top surface of the first insole member 4A1, a rectangular plate-shaped insole member 4 (hereinafter referred to as “the second package object group 2A2 2) Place the insole member 4A2 ').

  Thus, until the number of stages of the to-be-packaged object groups 2A, 2A,... On the top plate 31 of the pallet 3 reaches a predetermined number of stages (for example, six stages in the present embodiment) The placement of the insole member 4 on the top surface of the package group 2A and the placement of the package group 2A is repeated.

Then, after the number of stages of the to-be-packaged groups 2A, 2A,... On the top plate 31 reaches a predetermined number of stages, the to-be-packaged groups 2A, 2A,. Coating from above at the same time by 52 (coating step).
At this time, as described above, the second film member 52 is formed to have a sufficiently large internal volume that can accommodate the plurality of packages 2A, 2A, ... on the top plate 31, The package groups 2A, 2A,... Are covered in a state in which the opening edge 52a is lowered downward compared to the position of the top surface of the top 31.
Further, the portions of the first film member 51 and the second film member 52 positioned on the peripheral side of the other end of the short column 7 (the portions extending outward and lower than the other end of the short column 7) It is in contact.

After covering the plurality of packages 2A, 2A,... On the top plate 31 with the second film member 52, for example, the pallet package 1 is put into a heating device (not shown), and the pallet package 1 Heat the whole.
As a result, the first film member 51 and the second film member 52 both cause thermal contraction and shrink in accordance with the plurality of packages 2A, 2A,... (Shrink step).
Under the present circumstances, as above-mentioned, since the 1st film member 51 and the 2nd film member 52 are set so that heat contraction rates may mutually differ, the 1st film member 51 is heated by the whole pallet package 1 heating. When the second film member 52 is thermally shrunk, the opening edge 52a of the second film member 52 melts with the edge 51a of the first film member 51 and then curls up with the edge 51a.

Specifically, as shown in FIG. 3 (b), the second film member 52 rapidly reduces its internal volume by heat contraction, and holds a plurality of groups of objects to be packaged 2A, 2A,. At the same time, the opening edge 52a is closed by the first film member 51, and the inside is sealed.
Thereby, the loading form (packing form) of the to-be-packaged object groups 2A, 2A,... Placed in a plurality of stages on the upper surface of the top plate 31 is the first film member 51 and the second film member Is firmly held by the bag portion 5A.

In addition, the overlapping portion of the first film member 51 and the second film member 52 (a portion from the portion lifted by the short column 7 in the first film member 51 to the portion (peripheral portion) protruding from the pallet 3 and the second The overlapping portion with the lower end portion of the film member 52 is fused toward each other and is rolled toward the lower surface of the top plate 31.
Thus, the plurality of packages 2A, 2A,... In which the loading form (packing form) is firmly held by the bag portion 5A are the edge 51a of the first film member 51 and the second film member 52. The pallet 3 is firmly held with the pallet 3 via the curtain body 5B consisting of the opening edge 52a.

  As described above, after the laying step and the covering step described above are completed, the shrinking step is performed to attach the first film member 51 and the second film member 52 to the plurality of packages 2A, 2A,. In the same time, it is provided as a step for shrinking and joining the first film member 51 and the second film member 52, and fixing these packages 2A, 2A,. .

  And, the shrink film body 5 is a bag-shaped bag body for sealing the plurality of packaged objects 2A, 2A,... While avoiding the short pillars 7, 7, 7, 7 at the four corners on the top plate 31 of the pallet 3. It forms in the form which consists of the part 5A and the curtain part 5B which protrudes toward the lower surface of the top plate 31 from the lower end part of the bag part 5A.

After completion of the shrink step, in the shrink film body 5 including the bag portion 5A and the curtain portion 5B, the positions at which the short pillars 7 are provided (specifically, with the first film member 51 and the second film member A through hole 5a is formed in the contact portion with the upper end surface of the short column 7 in the curtain 5B consisting of a junction.
Under the present circumstances, each through-hole 5a is drilled so that processing may not reach to 5 A of bag parts, having cross-sectional shape sufficient to make the short column 7 penetrate.

After the through holes 5a, 5a, 5a, 5a corresponding to the short columns 7, 7, 7, 7 at the four corners of the top plate 31 are respectively drilled in the curtain portion 5B of the shrink film body 5, through the respective through holes 5a. , Remove the short pillar 7 from the joint portion 31 a of the top plate 31.
As a result, the shrink film body 5 can pass through the through holes 5a · · · which can penetrate the columns 6, 6 · 6 · 6 at the corresponding positions of the plurality of joint portions 31a · 31a · 31a · 31a in the curtain portion 5B. It will have 5a, 5a, 5a.

  Thereafter, as shown in FIG. 2, one end portions of the columns 6, 6, 6 and 6 are penetrated through these through holes 5 a, 5 a, 5 a and 5 a, and joint portions 31 a and 31 a at four corners of the top plate 31. Insert each into 31a and 31a (supporting step).

  Thus, at the four corners on the pallet 3 on which the plurality of groups of articles to be packed 2A, 2A,... Are firmly bound by the shrink film body 5, supports 6, 6, 6 and 6 are erected. The pallet package 1 is constructed.

In the present embodiment, a shrink film (not shown) for holding the loading form (packing form) of each item to be packaged 2 described above, and the first film member 51 and the second film constituting the shrink film body 5 The members 52 are formed of materials different from each other, and even if the first film member 51 and the second film member 52 during heat contraction contact the shrink films of the objects 2 to be packed, they do not fuse to each other Such measures are taken.
In addition, as a measure to prevent adhesion between the first film member 51 and the second film member 52 and the shrink film of each item 2 to be packaged, for example, another sheet shape between the two, for example Or the like may be interposed.

DESCRIPTION OF SYMBOLS 1 pallet package 1a pallet package 2 to-be-packaged item 3 pallet 5 shrink film body 5A bag body portion 5B curtain body portion 5a through hole 6 pillar 7 short pillar 31 top plate 31a joint portion 51 first film member 52 second film member

Claims (8)

What is claimed is: 1. A pallet package comprising a pallet, one or a plurality of articles to be packaged placed on the pallet, and a shrink film body for shrink packaging the articles to be packaged.
The shrink film body is
A sheet-shaped first film member laid so as to protrude to the peripheral edge of the pallet between the pallet and the object to be packaged, and a bag-shaped second film member whose opening is closed by the first film member A bag body unit configured to seal the object to be packed;
It is constituted by the overlapping portion of the first film member and the second film member, and hangs from the peripheral edge of the bag portion and fixes the bag portion to the pallet by winding the side surface of the pallet. The curtain body,
I have a,
The curtain has a through hole .
Pallet package characterized in that. The pallet is
It has a joint part for erecting the pole in a detachable manner,
The through hole of the curtain portion is
In pairs応箇plants and the joint portion, Ru provided to be through the strut,
The pallet package according to claim 1, characterized in that: The pallet has a rectangular shape in plan view,
The joint portion is provided at four corners of the pallet,
The columns extending through the curtain body through the through holes are provided to be erected by the joint portion,
The pallet package according to claim 2, characterized in that. The pallet comprises a top plate projecting in the circumferential direction,
The end of the curtain portion bites toward the lower surface of the top plate,
The bag portion is fixed to the pallet;
The pallet package according to any one of claims 1 to 3, characterized in that: The thermal contraction rate of the curtain body portion is smaller than the thermal contraction rate of the bag body portion,
The pallet package according to any one of claims 1 to 4, characterized in that: A packing method for shrink-packing one or more articles to be packed placed on a pallet, comprising:
Laying a sheet-shaped first film member so as to protrude to the periphery of the pallet between the pallet and the object to be packaged;
Covering the pallet and the package with a bag-shaped second film member;
After the laying step and the covering step, the first film member and the second film member are shrunk along the package and the pallet, and the first film member and the second film member are A shrinking step of forming a shrink film body which is joined and fixed to the pallet while sealing the object to be packaged;
Bei to give a,
In the shrink step,
The pallet is
It has a joint part for erecting the pole in a detachable manner,
The shrink film body is
A bag body configured of the first film member and the second film member whose opening is closed by the first film member;
It is composed of an overlapping portion of the first film member and the second film member, and hangs from the peripheral edge of the bag portion and fixes the bag portion to the pallet by winding the side surface of the pallet. The curtain body,
Have
A through hole capable of penetrating the support post is formed at a position corresponding to the joint portion in the shutter body portion .
Packing method characterized by Before the shrink step
The method further comprises a short pillar arranging step of releasably pre-installing a short pillar having a height lower than the packed object loaded on the pallet in a joint portion provided on the pallet.
A packing method according to claim 6, characterized in that. The through hole of said curtain portion in the shrink film body is a form formed on the provided with the short column position,
After the shrink step
After removing the short pillar from the joint portion through the through hole,
The pole arrangement step of erecting at the joint portion a column having a height higher than the packed objects loaded on the pallet.
A packing method according to claim 7, characterized in that.

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