JP2000296873A - Pallet packing body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pallet packing body free from load collapse during the conveyance by stacking a plurality of stages where a plurality of fiber rovings are continuously arranged on a pallet, winding a wire around an outer surface of the stacked bodies of the fiber roving, and packing it using a stretch film. SOLUTION: When a plurality of glass fiber roving 1 are placed on a pallet 2 to manufacture a packaged pallet packing body 10 thereon, a dunnage sheet 3 is placed on the pallet 2. The glass fiber roving 1 is stacked thereon, PP bands 4A-4C are stretched over the glass fiber roving 1A-1C of each stage, and secured with the appropriate tightening force. A cotton string 5 is attached in a winding manner once in the circumferential direction as a wire for an opening, and a starting part and a terminating part 5A are connected to a PP band 4A, and secured. Then, a cover sheet 6 is covered over an upper surface of a stacked body of the glass fiber roving 1, and packed by a stretch film 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pallet package, and more particularly to a pallet package in which a plurality of rovings of fiber such as glass fiber are placed on a pallet and wrapped from above. The present invention relates to a pallet package having improved workability when using a product.

[0002]

2. Description of the Related Art Glass fibers are usually wound into a cylindrical shape to form rovings, and a plurality of rovings 11 are connected as shown in FIG.
, And then supplied to the user after being shrink-wrapped with the film 13 from above.

[0003] Japanese Utility Model Publication No. 4-49048 discloses that when a glass fiber product of such a pallet / shrink package is pulled out and used, a cutter or the like is not used and the product is not damaged. It is described that a linear member 14 for cleavage is provided so that the shrink film 13 of the package can be easily cut. This linear body 14 is a cylindrical stack 15 of glass fiber rovings 4.
Is provided so as to go around the intermediate position in the axial direction, and
The ends are lightly tied to each other, and the shrink film 13 can be torn by pulling the vicinity of both ends in a direction away from the cylindrical stack 15. That is, when unpacking, simply use the cleaving linear member 14.
By pulling the end near the knot, the knot can be released naturally, and the shrink film 13 can be broken and unpacked by further pulling the split linear body 14. Moreover, since the cleavage linear member 14 is provided at an intermediate position of the cylindrical stack 15 in which the glass fiber rovings 11 are stacked, the shrink film 13 is cut at this position, the upper portion of the film 13 is removed, and the lower portion is removed. Unnecessary materials such as a packaging film of each roving 11 can be removed from the pallet 1 by the lower film 13.
Since it is possible to wrap and process the rovings 11, the workability of replacing the rovings 11 is good.

The shrink film 13 (hereinafter sometimes referred to as an “outer wrapping film”) is usually made of a polyolefin film such as a polyethylene film or a polypropylene. Each of the fiber rovings 11 is also wrapped with a film (hereinafter sometimes referred to as an “inner wrapping film”).

[0005] In order to package with such a shrink film, it is necessary to cover the pallet and the rovings stacked thereon with a shrink film so as to wrap the whole, and heat the whole to thermally shrink the film.

[0006] In FIG. 3, reference numeral 16 denotes a clue of the glass fiber roving 11.

[0007]

The above conventional pallet
The shrink package has the following disadvantages.

When a polyolefin-based material such as polyethylene is used as the inner wrapping film, the inner wrapping film and the outer wrapping film are made of the same material, so that the inner wrapping film and the outer wrapping film are shrunk during heat shrinkage during shrink wrapping. There is a problem in use, such as heat fusion, making it impossible to use glass fiber rovings continuously. In order to prevent the thermal fusion between the inner wrapping film and the outer wrapping film, an interleaf sheet may be interposed between them, but in this case, a different kind of wrapping material is required, and material costs are reduced. And the packaging operation becomes complicated. A heating step using a gas burner or the like is required for heat shrinkage for shrink packaging. Further, since a simple machine for covering the shrink film and heat shrinking is not commercially available, a great deal of labor and time are required for the packaging operation. Normally, cardboard sheets are laid on the pallet and glass fiber rovings are stacked on top of this.However, since the size of this cardboard sheet can not be larger than the size of the pallet, dust, insects, etc. Foreign matter and the like may enter the package. Since the outer wrapping film needs to wrap around to the lower surface of the pallet, if the pallet slides sideways during transportation or the like, the film may be turned up and the load may collapse.

The present invention solves the above-mentioned conventional problems, and does not require a heating operation at the time of packaging. Therefore, there is no problem of heat fusion between the inner wrapping film and the outer wrapping film, and the packaging is easy and efficient. An object of the present invention is to provide a pallet package that can perform work.

Another object of the present invention is to provide a pallet package which is free from the intrusion of foreign matter such as dust and insects from the lower surface of the pallet and the collapse of the load during transportation.

[0011]

A pallet package according to the present invention comprises a plurality of fiber rovings arranged in parallel on a pallet, and a plurality of fiber rovings are stacked in a plurality of stages, and a linear member is provided on the outer surface of the fiber rovings stack. And further wrapped in a stretch film.

In this pallet package, since the outer packaging film is not shrink wrapped, no heat treatment is required for packaging. For this reason, even when each fiber roving is wrapped with the inner wrapping film, the inner wrapping film and the stretch film of the outer wrapping film are not thermally fused. Further, a packaging material for preventing thermal fusion such as slip sheets is not required.

Further, since the stretch film can be easily wound by a dedicated machine, the packaging operation can be performed extremely easily.

In the present invention, it is preferable that the linear member is a linear member for tearing which tears the stretch film by pulling an end portion of the linear member in a direction away from the fiber roving group. By providing a linear body, the stretch film of the package can be easily cut without using a cutter or the like and without damaging the product, so that unpacking can be performed extremely easily. Become.

In the present invention, it is preferable to provide a laying sheet having a larger area than the upper surface area of the pallet between the pallet and the lowermost fiber roving so that the stretch film and the laying sheet adhere to each other. Thus, invasion of foreign matter such as dust and insects from the lower surface of the pallet can be prevented.

If the spread sheet is a sheet made of a foamed resin, even if the spread sheet has a larger area than a pallet, it can be easily covered with a stretch film and wrapped. This absorbs irregularities such as nails on pallets and wood inherent thickness differences, warpage, etc., and can provide a stable package.

Further, by providing a band for fixing the fiber roving group arranged in parallel so as to go around the fiber roving group, the stack of fiber rovings on the pallet is stabilized, and Movement and the like can be easily performed.

In the present invention, a cover sheet is provided on the upper surface of the uppermost fiber roving, and the stretch film is preferably provided so as to cover at least a peripheral portion of the cover sheet. In addition, entry of foreign matter from the upper surface of the package is also prevented.

The stretch film is provided only on the side surfaces of the stack and the pallet and on the upper surface of the stack, and is prevented from wrapping around the lower surface of the pallet, thereby preventing the film from being turned up during transportation or the like. be able to.

Further, it is preferable to arrange the cover along the corner of the stack of fiber rovings to reinforce the fiber roving from the viewpoint of preventing deterioration of the product.

Such a pallet package of the present invention is suitable for pallet packaging of glass fiber roving.

[0022]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing an embodiment of a pallet package of the present invention. FIG. 1 (a) shows a state before winding a stretch film, and FIG. 1 (b) shows a state after winding a stretch film. Indicates the status. FIG. 2 is a perspective view of a pallet package according to another embodiment of the present invention in a state before winding a stretch film. 2, members having the same functions as those in FIG. 1 are denoted by the same reference numerals.

In a pallet package 10 shown in FIG. 1, a glass fiber roving 1 is erected on a pallet 2 so that the axial direction thereof is perpendicular to the pallet 2 surface.
The glass fiber roving groups 1A, 1B, 1C in which 16 pieces, 4 pieces in the horizontal direction and 16 pieces in a row, are arranged in a row and a row, and a stack of a total of 48 pieces of the glass fiber rovings 1 is arranged on the pallet 2. Have been.

A spread sheet 3 is provided between the stack of the glass fiber rovings 1 and the pallet 2. In FIG. 1A, the spread sheet 3 is indicated by a broken line.

Each glass fiber roving group 1A, 1B, 1
C is provided with a PP (polypropylene) band 4 for fixing them, and a cotton thread 5 as a linear body for cleavage is attached to the uppermost PP band. The upper surface of the stack of the glass fiber rovings 1 is covered with a cover sheet 6, and the whole is wrapped with a stretch film 7.

Next, a stacking procedure and a packaging method for forming the pallet package 10 will be described.

First, the spread sheet 3 is spread on the pallet 2. It is preferable that the spread sheet 3 has a larger area than the area of the pallet 2.
When the stretch film 7 is wound, or when the pallet package 10 is transported or stored, it is possible to prevent foreign substances such as dust and insects from entering from the lower surface of the pallet 2. That is, the pallet 2 has a large gap, and there is a risk of foreign matter entering unless a sheet is laid.
If the size of this sheet is equal to or smaller than that of the pallet 2, it is impossible to reliably prevent foreign matter from entering. On the contrary,
By providing the spread sheet 3 having an area larger than the area of the pallet 2, the peripheral portion of the spread sheet 3 protruding from the upper surface of the pallet 2 and the stretch film 7 are brought into close contact with each other, so that the invasion of foreign substances can be reliably prevented. it can. This spread sheet 3 has a side length of 20 to 200 mm longer than the pallet 2
Larger ones are preferred. If this value is smaller than 20 mm, it is difficult to spread the edge of the spread sheet evenly from each side of the pallet 2. Conversely, this value is 200m
If it is larger than m, the edge of the spread sheet 3 protruding from the pallet 2 comes into contact with the ground and causes dirt.

Although there is no particular limitation on the material of the spread sheet 3, there are irregularities due to protrusions of nails and a difference in the original thickness or warpage of the wood on the upper surface of the pallet 2. It is preferable to use a foamed resin sheet having a thickness of about 0.5 to 10 mm, more preferably a thickness of about 2 to 5 mm.

After laying the spread sheet 3 on the pallet 2, the glass fiber rovings 1 are stacked, and the PP bands 4A, 4B, 4C are hung on the glass fiber rovings 1A, 1B, 1C of each stage, respectively, and are appropriately tightened. Fix with force.

The glass fiber roving 1 is usually
Each is shrink-wrapped with a polyolefin film or the like. At the time of stacking the glass fiber rovings 1, a thread connection between the glass fiber rovings 1 and 1 is performed as necessary.

The PP band is not particularly limited as long as it can fix one group of glass fiber rovings arranged in parallel with an appropriate tightening force. In addition to the PP band, a polyester band, a PET (polyethylene terephthalate) band, or the like is used. be able to.

Next, a linear member for cleavage is provided at an appropriate position of the stack of glass fiber rovings 1. In the pallet package 10 of FIG. 1, a cotton thread 5 is attached to the outer surface of the uppermost PP band 4A using cellophane tape so as to be wound once in the circumferential direction, and the start end and the end 5A are attached to the PP band 4A. And fix it. This position is a depression 1a between the adjacent glass fiber rovings 1 and 1 so that the glass fiber roving 1 is not damaged by a knife or the like used for taking out the cotton thread 5 when unpacking the pallet package 10. .

[0034] The linear member for cleaving is used as the pallet package 10
At the time of unpacking, any material having a strength that allows the stretch film 7 to be easily torn by pulling it may be used. In addition to the cotton thread 5, a string of a chemical fiber such as PP may be used. it can. In addition, the installation position of this linear material for cleavage is not limited to the uppermost PP band 4A portion,
It may be the middle PP band 4B portion or another portion.

Next, a cover sheet 6 is placed on the upper surface of the stack of glass fiber rovings 1 and a stretch film 7
Packaging with As the cover sheet 6, the same one as the spread sheet 3 can be used.

The packaging with the stretch film 7 can be easily performed by winding the stretch film 7 spirally while continuously applying tension to the stretch film 7 by mechanical winding upward from the pallet 2 side.

In the present invention, the stretch film is not limited as long as it can be stretch-wrapped, and examples of the material include PE (polyethylene) and EVA (ethylene / vinyl acetate copolymer). One of which has been subjected to an adhesive treatment can be used. The film thickness of this stretch film is about 10 to 50 μm, particularly 20 to
The thickness is preferably about 25 μm.

Packaging with such a stretch film can be easily performed using a dedicated machine while applying a tension of about 5 to 15 kgf, preferably about 12 kgf. The number of windings of the stretch film 7 varies depending on the size, weight, etc. of the fiber rovings. However, when a total of 48 glass fiber rovings weighing about 20 kg are stacked on a total of 48 pallets of 4 × 4 × 3, a certain point is required. Is preferably wound so as to have 3 to 5 layers.

When the stretch film 7 is wound, the stretch film 7 is prevented from wrapping around the lower surface of the pallet 2 and is provided on the side edges of the pallet and the stack and on the peripheral edge of the upper surface.
Even if the pallet 2 is slid sideways when the pallet package 10 is transported, it is possible to prevent the stretch film 7 from being turned over, thereby preventing breakage of the wrapping material and the like, and thus, trouble such as collapse of the entire wrapper.

When unpacking such a pallet package 10, first, a portion of the stretch film 7 that does not contact the glass fiber roving 1 is cut using a knife or the like as necessary, and a cotton thread for splitting is used. 5 is pulled out and the cotton thread 5 is pulled in a direction away from the stack of the glass fiber rovings 1 to cleave the stretch film 7. Thereby, the unpacking operation can be performed smoothly without causing any trouble such as damaging the glass fiber roving 1 of the product. Moreover, since the glass fiber roving 1 can be used without cutting the PP band 4, the movement of the pallet stack during use can be performed safely and easily.

The pallet package shown in FIG. 1 is an example of the embodiment of the present invention, and the present invention is not limited to the illustrated one unless it exceeds the gist.

For example, in order to further improve the workability of unpacking the pallet package 10 on which the stretch film 7 has been wrapped, the cotton yarn 5 for tearing the stretch film is aimed from the outer surface of the stretch film 7. It may be attached so as to be covered with an adhesive tape such as a wide cellophane tape. Thereby, even when the overlapping portion of the stretch film spirally wound is directly above the cotton thread 5, escape of the stretch film by pulling the cotton thread 5 can be prevented, and the unpacking operation can be further improved. It will be easier to do.

As shown in FIG. 2, a paper or resin cover 8 is provided in advance at the corners of the stack of the glass fiber rovings 1 to reinforce the corners.
The band may be fastened with the P band 4. Here, the shape of the cover 8 is not particularly limited, but a curved plate having an arc-shaped cross section as shown in FIG. 2 is effective. The cover material may cover only the side of the stack, or may partially cover the upper surface of the corner of the stack as shown in FIG.

The pallet package of the present invention is applicable to any fiber roving pallet package such as various organic fibers in addition to various inorganic fibers such as glass fibers.

[0045]

The present invention will be described more specifically below with reference to examples and comparative examples.

Example 1 A pallet packing of glass fiber rovings 1 individually subjected to polyolefin shrink wrapping was carried out using the pallet packing of the present invention shown in FIG. 1100mm × 11
1200mm × 120 on a 00mm wooden pallet 2
A spreading sheet 3 made of foamed polyethylene having a thickness of 0 mm × 2 mm was laid, and 48 glass fiber rovings 1 shrink-wrapped thereon were stacked in 4 × 4 × 3 steps.

To tighten the glass fiber rovings 1 at each stage, a PP band 4 having a width of 19 mm in the horizontal direction is used.
(4A, 4B, 4C), and fixed by applying an appropriate tightening force. Thereafter, using a cellophane tape, a cotton thread 5 for cleavage was attached to the outer surface of the uppermost PP band 4A so as to be wound once in the circumferential direction. This cotton thread 5
Was fixed to the PP band so that the end 5A did not come off. The positions of the start end and the end 5A of the cotton thread 5 are located in the depressions 1a between the glass fiber rovings 1 and 1 so that the glass fiber rovings 1 are not damaged by the knife used at the time of removing the cotton thread. .

On the upper surface of this stack, 1200 mm × 1
Cover the cover sheet 6 made of foamed polyethylene with a thickness of 200 mm x 1 mm,
Affixed to P band 4A. Finally, a mechanically wound stretch film (material: one side of a PE film subjected to adhesive treatment, thickness 25 μm, width 500 mm) 7 is continuously 12
The film was spirally wound with a tension of kgf so as to be tripled at one point. At this time, the stretch film 7 did not wrap around to the lower surface of the pallet 2 but was placed on the side surfaces and the peripheral edges of the upper surface of the pallet and the stack.

In the pallet package 10 packaged in this manner, the spread sheet 3 laid on the upper surface of the pallet 2 and the stretch film 7 are in close contact with each other, so that no foreign matter or the like enters the package during storage or the like. . Even if a polyolefin shrink bag is used for the inner wrapping film, there is no problem of fusion with the stretch film 7.

When unpacking, the portion of the stretch film 7 that does not come into contact with the glass fiber roving 1 is cut with a knife or the like as necessary, and
By pulling out the tip of the cotton thread 5 in a direction away from the stack of glass fiber rovings 1,
The stretch film 7 was easily torn and the unpacking operation could be performed smoothly, and there was no problem such as damage to the glass fiber roving 1 of the product.

Further, since the glass fiber roving 1 can be used without cutting the PP band 4, the movement of the pallet during use can be performed safely and easily. At this time, even if the pallet was slid, no problem such as the stretch film being turned over occurred.

Comparative Example 1 In Example 1, a 1100 mm × 1100 mm corrugated cardboard sheet was used in place of the foamed polyethylene sheet as the laying sheet, no cotton thread for tearing was attached, and outer packaging was used instead of the stretch film. The packaging was performed in the same manner except that the film was shrink-wrapped using a polyolefin-based film.

As a result, the inner and outer wrapping films were heat-sealed due to the heating for the shrink wrapping of the outer wrapping film, which hindered the continuous use of the glass fiber roving.

Further, after long-term storage, contamination of insects presumed to have entered from the lower surface of the pallet was observed.

In addition, since there is no cotton thread for tearing, the workability at the time of unpacking is extremely poor, and a part of the product is cut when tearing the shrink film using a knife or the like. There has occurred.

Further, when the pallet was slid sideways, a part of the shrink film was turned over, so that the load collapsed due to shaking during the subsequent transportation.

[0057]

As described in detail above, according to the pallet package of the present invention, a heating operation is not required at the time of packaging, and therefore, there is no problem of heat fusion between the inner wrapping film and the outer wrapping film. The packaging operation can be easily and efficiently performed by a general packaging facility without using a packaging material for preventing heat fusion.

According to the pallet package of the second aspect, the unpacking operation can be easily performed by the linear member for cleavage.

According to the pallet package of the fourth aspect, it is possible to prevent foreign substances from entering from the lower surface of the pallet and to improve the quality maintaining performance.

According to the pallet package of the fifth aspect, the unevenness on the upper surface of the pallet can be absorbed by the spread sheet to provide a stable package.

According to the pallet package of the sixth aspect, the stability of the stack of fiber rovings is enhanced, and movement and the like can be easily performed.

According to the pallet package of the seventh aspect, entry of foreign matter from the upper surface is also prevented.

According to the pallet package of the eighth aspect, a pallet package excellent in workability in carrying is provided.

According to the pallet package of the ninth aspect, the corner portion is reinforced, and it is possible to maintain good product quality.

Such a pallet package of the present invention is suitable for pallet packaging of glass fiber roving.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a pallet package of the present invention, wherein FIG. 1 (a) shows a state before winding of a stretch film, and FIG. 1 (b) shows a state after winding of a stretch film. Show.

FIG. 2 is a perspective view showing another embodiment of the pallet package of the present invention.

FIG. 3 is a perspective view showing a conventional pallet / shrink package.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Glass fiber roving 2 Pallet 3 Spread sheet 4 PP band 5 Cotton thread 6 Cover sheet 7 Stretch film 8 Cover 10 Pallet package

Claims (10)

[Claims] 1. A method in which a plurality of fiber rovings arranged side by side on a pallet are stacked in a plurality of stages, a linear body is wound around an outer surface of a stack of the fiber rovings, and further wrapped with a stretch film. Characteristic pallet package. 2. The linear body for cleavage according to claim 1, wherein the linear body is a linear body for tearing which tears the stretch film by pulling an end of the linear body in a direction away from the fiber roving group. Pallet packaging. 3. The pallet package according to claim 1, wherein each of the fiber rovings is shrink-wrapped. 4. A laying sheet having a larger area than the upper surface area of the pallet is provided between the pallet and the lowermost fiber roving of the stack. A pallet package according to any one of the preceding claims. 5. The pallet package according to claim 4, wherein the spread sheet is a foamed resin sheet. 6. The fiber roving group according to claim 1, wherein a band for fixing the fiber roving group arranged in parallel is provided so as to go around the fiber roving group.
The pallet package according to any one of the above. 7. A cover sheet is provided on an upper surface of an uppermost fiber roving, wherein the stretch film comprises:
The pallet package according to any one of claims 1 to 6, wherein the pallet package is provided so as to cover at least a peripheral portion of the cover sheet. 8. The pallet package according to claim 1, wherein the stretch film is provided only on the side surfaces of the stack and the pallet and on the upper surface of the stack. 9. The pallet package according to claim 1, wherein a cover is arranged along a corner of the stack. 10. The pallet package according to claim 1, wherein the fiber roving is a glass fiber roving.