JPH1059379A - Containing body of handle and fitting method of handle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the material cost of a handle and heighten the fitting speed of the handle and further, enable a stable adhesion (adhesive strength) to a package. SOLUTION: A handle base material film B which can be punched out to make rectangular handles H, is stuck on the peeling face of a release paper S. An adhesive A is applied between the peeling face of both ends of handles and the base material film B. And further, after the handle H has been stuck at a specified position on a wound-state shrink film F, in the packaging process of articles by a handle-containing body arranged so that respective longer sides of a plurality of handles are parallelly positioned, and the wound-state shrink film F, the articles are packaged with the shrink film F and then fed to a heating furnace. In this way, the shrink film is thermally contracted to fit the handle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a handle storage body for a package and a method for attaching a handle.

[0002]

2. Description of the Related Art For example, beverage cans such as soft drinks and beer,
The method of packaging a plurality of paper containers or the like of juice or milk collectively is called a multi-pack since a plurality of articles to be packaged (hereinafter referred to as products) are packaged together. The multi-pack package has been established as a package that meets the convenience of handling in distribution and the demand for a plurality of units (bulk purchase). The multi-pack includes a method of using paperboard, a method of using a film, and the like.A method of multi-packing using a film includes a package shrink-wrapped with a shrink film.
The handle is attached to make it easy to hold because of the weight. In the prior art, there is an example in which a tape is used as a handle, which has been subjected to adhesive processing on one side, and a paper tape is attached to a portion that does not require adhesion. FIG. 6 is a perspective view showing (6-1) a package attached with a handle according to the prior art, a cross-sectional view of a handle attachment part, and FIG. 7 is (7-1) the handle roll and Perspective view showing how to attach the handle to the package,
(7-2) is an enlarged sectional view of a Z portion. In this method, as shown in FIGS. 6 and 7, the adhesive tape take-up 21 and the paper tape take-up 23 are set in the handle assembling apparatus 20, and the adhesive tape and the paper tape are respectively fed out from the take-up in the longitudinal direction. The paper tape winding 23 is cut to a predetermined length to provide an adhesive exposed portion of the length of the adhesive portion to the package (total of left and right), and is sequentially attached to the adhesive surface of the adhesive tape 21; The adhesive exposed portion is adhered to one side of a predetermined position of the package, the package after shrinking is moved, and at the same time, the adhesive tape on which the paper tape is adhered is cut into a predetermined length as a handle to form a package P. The handle H 'is attached to the other predetermined position by bonding the exposed adhesive portion similarly to the above. Such a handle H 'is wasteful of materials such as the paper tape 24 to be adhered to the unnecessary adhesive portion and the adhesive at the paper tape attaching portion. Further, when a paper tape is stuck to the unnecessary adhesive portion, if the sticking position of the paper tape is shifted or the cutting position of the adhesive tape is shifted, the left and right adhesive areas are not uniform, and there is a possibility that a narrower area may be peeled. In addition, as for the efficiency of the packaging operation, it is difficult to increase the capacity because the tape is drawn out in the longitudinal direction as described above, and the winding is frequently exchanged to draw out the tape in the longitudinal direction. As a production line, there is a problem that a handle assembly device 20 is separately required in addition to the packaging machine, and an installation place is required. In any case, if the handle is attached after shrinking, the efficiency is poor, the pressure applied to the adhesive portion is unstable, and the adhesion of the handle to the shrink package may be poor.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to reduce the price of a handle material, improve the speed of attaching a handle, and stably adhere to a package (adhesive strength).

[0004]

A grip base film that can be cut into strip-shaped grips is adhered to the release surface of the release paper, and both ends of the grip-shaped grips are formed. An adhesive is provided between the peeling surface and the base film, and a plurality of the grip shapes are arranged so that the long sides thereof are parallel to each other. In the step of packaging an object to be packaged by the shrink film, after attaching a handle to a predetermined position on the roll-shaped shrink film, packaging the object with the shrink film, and further heating A method for attaching a handle, wherein the shrink film is thermally contracted by passing through a furnace.

[0005]

FIG. 1 shows a handle according to the invention.
(1-1) A perspective view showing a state of being attached to a package, (1)
-2) XX partial cross-sectional view, and (1-3) a plan view and a cross-sectional view showing a state where they are arranged on release paper. FIG. 2 shows a state in which the handle of the present invention is placed on release paper. FIG. 3 is a line diagram showing a method for attaching a handle to a package according to the present invention, FIG. 4 is an enlarged view of a portion Y in FIG. 3, and FIG. 5 shows another embodiment of the present invention. 5-1) A plan view and a cross-sectional view showing the shape of a handle, and (5-2) a perspective view showing a final state in which the handle is attached to a package. The present invention relates to a handle H having a pressure-sensitive adhesive A applied to both ends of a back surface of a strip-shaped base material film B for a handle, and a flat-stage package before the handle H is formed. After sticking to the film F, the product P is wrapped and shrunk. The details will be described below with reference to the drawings and the like.

The structure of the handle used in the present invention is shown in FIG. 1 as (1-3-1), (1-3-2) and (1-3-3).
As shown in 3), the adhesive A is applied to both ends of the back surface of the strip-shaped base material film for a grip, and the grip is made parallel to the longitudinal direction, and the release surface of the release paper S is formed. A handle storage body placed at a constant interval is prepared as a take-up (hereinafter referred to as a handle roll 4). Examples of the handle base film B include various plastic films such as a stretched film made of polyethylene, polypropylene, polyethylene terephthalate, and polyamide, a polyester-based nonwoven fabric such as a polypropylene-based material, and a simple substance such as a natural fiber or a synthetic fiber. Compounds can be used. As the pressure-sensitive adhesive, a pressure-sensitive adhesive that sufficiently adheres to the base material B and the packaging film F used as the package and has a strength that can be used as the handle H is used. As the main component of the pressure-sensitive adhesive, for example, natural rubber, styrene-butadiene random copolymer, acrylic resin, or the like can be used. In the manufacture of the handle roll 4 of the present invention, an adhesive is applied in a strip shape to the width to be adhered as the handle H to the release surface of the release paper S, and if necessary, the solvent in the adhesive is removed. Base film B
Is bonded to the entire surface of the release paper including the pressure-sensitive adhesive-coated surface. Thereafter, so as to have the above-described handle shape and arrangement, a half-cut is performed to remove the handle base film and unnecessary adhesive portions other than the handle to form a handle storage body, This can be rolled up to obtain a handle roll 4.

As described above, the handle H used in the present invention has an adhesive treatment applied only to a necessary portion, and does not apply an adhesive to a portion held by the hand. Since there is no need to prevent adhesion with paper tape, material costs have been reduced.

In the present invention, the film is unwound from the winding of the packaging film F for packaging the product P, and the handle H is attached to a predetermined position before forming the product for packaging. It is characterized by. A method of attaching a handle of the present invention using a packaging machine 1 as shown in FIG. 3 as a packaging machine for packaging products will be described. The shrink film is referred to as a packaging film F for the sake of explanation. The present invention can be applied to a case where it is packaged with a packaging film other than the shrink film. The selection of the packaging film F that forms the package P depends on the size (or number) of the product.
The weight, etc., determine the material, thickness, direction of stretching, shrinkage, etc.

As shown in FIG. 3, the function of the packaging machine 1 is as follows. As shown in FIG. 3, a product P is transferred from an in-feed conveyor to a series of packaging process conveyors, and is packaged in a packaging film F fed out from a packaging film roll 3 into packaging units. After the perforation 9 for division is provided, the product P is wrapped while being formed, and in the case of the packaging machine 1, the film at the bottom wrapping the product P is sealed in the vertical seal portion 12 to form a cylinder. I do. Next, the product is transferred to the shrink tunnel 14 and heated to wrap the packaging film F, so that the product is tightly packaged. At this time, the individual packages are separated from the front and rear packages P at the perforations, but if necessary, before being inserted into the shrink tunnel, the individual packages are shrinked by the cutting device 13 before being inserted into the shrink tunnel. Sometimes inserted into tunnels. After passing the film through the shrink tunnel and shrinking the film, the cooling unit cools the residual heat of the shrink process.

In the above-described method for attaching a handle in a packaging machine according to the present invention, the grip film attaching device 2 is provided between the unwinding process and the forming step. And a handle H attached on the packaging film surface at regular intervals. As described above, the grip attaching method of the present invention attaches to the flat surface of the packaging film F before molding. Furthermore, since pressure is applied using a pressure roll (if necessary, a plurality of pressure rolls) after sticking, the adhesion of the handle H to the packaging film F can be further stabilized.

The above-mentioned constant interval is the same length as the length required for the packaging film F as a unit for wrapping the product, and the perforations 9 are provided between the respective packaging units as described above. The handle H according to the present invention is attached to the center of the packaging unit of the packaging film F. In order to stick the handle H from the handle roll 4 onto the packaging film F, a handle attaching device 2 as shown in FIG. The sticking of the handle to the packaging film F is performed by inverting the release paper fed from the grip roll by a sharp peeling plate immediately in the vicinity of the packaging film, and the adhesive surface A on the back surface of the handle H to the release paper. And affixed to the surface of the packaging film F.
Ensures that the film adheres to the packaging film. The sticking of the handle to the packaging film is performed at a constant pitch, and the constant pitch refers to a position that is substantially at the center of the package P when the package is final. In order to reliably perform the sticking at a constant pitch, the sticking is performed by feeding back information on the position of each individual separation in or immediately before the shrink tunnel 14 to the grip attaching device 2 and controlling the sticking timing. I do.

When the packaging film F is a sleeve package as shown in FIG. 3, a perforation 9 is generally provided on the packaging film F before forming in order to separate the packaging film F for each packaging unit. In the present invention, the handle may be attached before the perforation 9 is provided or after the perforation 9 is provided. Regardless of the method, the sheet is stuck at an intermediate point (packing unit) between perforations.
As a method of transferring the handle from the handle roll 4 to the packaging film F, in addition to the method using the release plate 6, for example, the transfer from the release paper to an arm or a roll having a vacuum suction disk is performed once. It may be transfer-adhered from the arm or roll onto the packaging film F, and the present invention does not limit the method of attaching the handle to the package. After the handle is transferred to the packaging film F, the release paper S is sequentially wound up by the release paper roll 5 (rewinder) from the portion where the handle H has been supplied.

After attaching the handle H to the packaging film F,
The packaging film F is formed in the forming section 11, the product P is wrapped, and a vertical seal is formed in the vertical seal section 12 at the bottom of the product. The portion where the handle is adhered is a position and a dimension that does not cover the seal portion of the packaging film F. The influence on the packaging speed such as obstructing the vertical seal due to the factor of the grip attachment method according to the present invention is not considered. Absent. That is, the original packaging speed cannot be reduced. Then, after the vertical sealing, the package P is transferred into the shrink tunnel 14, and the packaging film F is shrunk in the shrink tunnel 14 to tightly package the contents P, so that the package P with the handle H is attached. Is completed.
At this time, the packaging film F shrinks, but the base film B for the grip does not shrink, so that a gap is formed between the shrink film F and the grip H, so that the hand can be easily inserted as a grip. It becomes a state.

In some cases, the package P is cut and sealed without cutting between the packages P. In this case, a hole of an appropriate size is provided in the packaging film F so that air from the bag body at the time of shrinking can easily escape.

As described above, the handle mounting method of the present invention uses the conventional method, that is, the handle H, because the pitch of the handle is narrow in the narrow width direction.
As compared with the method of attaching in the longitudinal direction, there is an advantage that the grip attaching ability is increased and the frequency of replacing the grip roll 4 is reduced. Further, in the present invention, the handle H is attached inside the packaging machine 1, but by attaching the handle, the original packaging speed is not reduced,
In addition, since there is no need to provide a mounting device as a separate line, the installation space can be reduced, and the instability of bonding due to the difference between the left and right bonding areas as seen in the prior art is eliminated, and the bonding position accuracy is improved.

[0016]

[Example] A 350ml aluminum canned beverage was used as a product, and the number of packages was set to 6 rows of 2 rows x 3 cans, and a stretched polyethylene film was used as the packaging film.
mm, and a polypropylene film (inner corona discharge treated product) as a handle. Thickness: 120 μm, width: 260 mm, 62 mm on each side inward from both right and left sides, and glued to release paper. Half cut from the film side. 5-1
The film was wound up in the form shown in -1) except for an excess film. The dimensions of each part of the handle were as follows. _{L 0 = 260mm, L 1 =} 120mm, L 2 = 8mm, L 3 = 57m
m, L ₄ = 5 mm W ₁ = 25 mm, W ₂ = 17 mm After attaching this handle to the packaging film before product packaging by the above-mentioned method (FIG. 3) at a position substantially at the center after product packaging. The product was wrapped and passed through a shrink tunnel to shrink the wrapping film. As shown in FIG. 5 (5-2), the handle attached to the package expresses a sense of stability and novelty, and has no sticking slip unlike the prior art, and can be carried with confidence. .

[0017]

According to the handle of the present invention, only a minimum amount of adhesive required for adhesion to the package is provided at both ends of the back surface of the handle. Material savings. In addition, the handle can be made freely in shape, not limited to a rectangle, but can be rounded, or a part of the width can be narrowed, so that the product can be attractive. The arrangement of the grips on the grip rolls has a narrow pitch in the width direction, so that high-speed operation is possible (work efficiency has been improved) and the frequency of winding and replacing the grip rolls has decreased. It is possible to improve the efficiency of grip mounting and improve the packing capacity, and because it is installed in the packaging machine, there is no need to prepare a dedicated machine for the conventional method, that is, for mounting on another line. Space saving. After sticking the handle on the film before shrinking, wrap the product,
To shrink the packaging film, a handle that does not shrink,
A gap was formed between the shrinked packaging films, so that hands and fingers could easily be inserted, and the handle was easier to use.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which a handle according to the present invention is attached to a (1-1) package, (1-2) a partial sectional view of an XX section, and (1-3) a release paper. Plan view and sectional view showing the state of being arranged on

FIG. 2 is a perspective view showing a state in which the handle of the present invention is wound on a release paper.

FIG. 3 is a line diagram of a method for attaching a handle to a package according to the present invention.

FIG. 4 is an enlarged view of a portion Y in FIG. 3;

FIG. 5 is a plan view and a sectional view showing (5-1) a shape of a handle, and (5-2) a final state in which the handle is attached to a package body, showing another embodiment of the present invention. Perspective view

FIG. 6 is a (6-1) perspective view showing a package attached with a handle according to the related art, and (6-2) a cross-sectional view showing the attached state of the handle.

FIG. 7 is a perspective view showing (7-1) a method of attaching a handle roll and a handle to a package according to the related art, and (7-2) an enlarged sectional view of a Z portion.

[Explanation of symbols]

 P Packaging body H Handle S Release paper F Packaging film B Base film for handle A Adhesive 1 Packaging machine 2 Handle mounting device 3 Packaging film roll 4 Handle roll 5 Release paper roll 6 Release plate 7 Crimping roll 8 Perforation device 9 Perforation 10 In-feed conveyor 11 Molding section 12 Vertical seal section 13 Cutting apparatus 14 Shrink tunnel 15 Cooling section 20 Conventional handle assembly device 21 Adhesive tape winding 22 Adhesive 23 Paper tape winding 24 Paper tape 25 Paper tape cutting part 26 Adhesive tape cutting part

Claims (3)

[Claims] 1. A grip base film, which can be cut into a strip-shaped handle, is attached to a release surface of a release paper, and the peeling of both ends of the handle in the shape of the grip is performed. A handle housing body, wherein an adhesive is provided between a surface and the base film. 2. The handle storage body according to claim 1, wherein the plurality of handles are arranged such that long sides thereof are parallel to each other. 3. In the step of packaging an object to be packaged by a roll-shaped shrink film, a handle is attached to a predetermined position on the roll-shaped shrink film, and then the package is covered with the shrink film. A method for attaching a handle, comprising packaging a package and heat shrinking the shrink film by passing the package through a heating furnace.