JP3325546B2 - Package of rod-shaped article and method for producing the same - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a package in which a bar-shaped article such as a toothbrush or a ballpoint pen can be displayed at a store for sale or the like, and a method of manufacturing the same.

[0002]

2. Description of the Related Art Conventionally, for example, a paper box has been used as a package for wrapping a product of a toothbrush, but in recent years, a so-called blister container in which a rigid synthetic resin sheet vacuum-formed in a convex shape is adhered to a mount. Is commonly used.

[0003]

According to the above-mentioned blister container, the product of the toothbrush can be properly packed because the product of the toothbrush is well placed in the container and the brush bristles are not damaged.
There is a problem with high cost. Further, when a vinyl chloride sheet is used as the synthetic resin sheet, there is also a problem of treatment after disposal.

[0004] In this regard, the above-mentioned problem can be solved by forming the package with a bag made of a synthetic resin film provided with a header as provided by the present applicant for many years. In this case, the packaged product is merely covered with the flexible front and back films of the bag, so that there is a problem that the brush bristles are damaged when subjected to an external force or the like.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a package in which a rod-like article is housed in a balloon which is inflated by being filled with a gas, and in which a bar-shaped article is substantially suspended. The present invention provides a manufacturing method, and according to this, it is possible to safely package a toothbrush without fear of damaging the toothbrush. In addition, since the products are stored in a suspended state, they are provided not only with toothbrushes but also with ballpoint pens and other stick-shaped packages, realizing a package with excellent taste with a unique packaging form not seen in the past. can do.

[0006] In view of this, the package of the present invention is configured as a means . A bag in which a bag 1 made of a synthetic resin film is inflated by filling a gas from an opening and the opening is welded and sealed is used. The bar-shaped article 3 is accommodated in the bag 1 in a substantially suspended state, and a rigid resin connecting piece 4 fixed to the tail end 3a of the bar-shaped article 3 is welded and sealed to the bag 1. In a configuration that is welded in places
The connection piece 4 is made of a heat-shrinkable synthetic resin film.
Rod-shaped article composed of a tube 17 formed by
3 by shrinking the tail end 3a by heating in the inserted state.
A holding portion 18 which is tightened and extended from the holding portion 18
An extension 19 is provided, and the extension 19 is welded and sealed to the bag 1.
The point is that it is welded in a sandwich shape at a location .

[0007]

[0008] Further, the present invention is configured as a method for manufacturing a package, wherein a heat-shrinkable synthetic resin film is used.
One end of the connecting piece 4 formed of the formed tube 17 is rod-shaped.
Insert the tail end 3a of the article 3 and shrink it by heating,
A holding portion 18 for holding and tightening the tail end portion 3a by the connecting piece 4.
And an extension 19 extending from the holding portion 18 is formed.
A step of inserting the bar-shaped article 3 from the tip 3b through the opening into a bag made of a synthetic resin film having an opening at one end, and connecting the extension 19 of the connecting piece 4 to the bag. 1
A step of filling the inside of the bag body with gas through the opening to inflate the bag body, and opening edges 5a and 6a forming the opening part of the bag body with the connecting piece 4;
A step of integrally welding and sealing in a sandwich shape with the extension portion 19 interposed therebetween to obtain a package in which the rod-shaped article 3 is housed in a substantially suspended state inside the balloon formed of the inflated bag body 1. It is in.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the drawings.

(First Embodiment of Package) FIGS. 1 and 2
1 shows a first embodiment of a package of rod-shaped articles according to the present invention, wherein a balloon 2 is expanded by a bag 1 which is inflated by being filled with an inert gas such as air or argon gas, or other gas. The bar-shaped article 3 is housed in the bag 1 in a substantially suspended state or a swimming state, and at least one portion of the bar-shaped article 3 and the bag 1 are interconnected by a connecting piece 4. are doing. Therefore, the rod-shaped article 3 has gaps S, S at which the tip and the tail end are separated from the bag body 1. In the case of the example shown in the figure, the bar-shaped article 3 is a toothbrush product provided with a grip at the tail end 3a and a brush base with a bristle implanted at the tip 3b. Wide bar-shaped products can be packaged.

The bag body 1 includes front and back films 5 and 6 made of a synthetic resin film, and a relatively thick shape retaining sheet 7 made of a synthetic paper or a synthetic resin sheet is integrated on the upper portion by welding or the like to form a header portion. 8 and the header section 8
The suspension means 9 is formed. In the case of the illustrated example, the suspension means 9 is constituted by a suspension hole penetrated through the header portion 8, but may be constituted by a hook formed by punching the header portion 8. In addition, in order to maintain the airtightness of the bag body 1 in the header portion 8, a welding wire 10 for welding the front and back films 5, 6 and the shape retaining sheet 7 in an airtight manner over the entire width is formed.

The tail end of the bag 1 is formed with a sealing welding wire 11 for welding and sealing the front and back films 5 and 6 in a sandwich manner with the connecting piece 4 interposed therebetween. , 6 over the entire width.

It is desirable that the balloon 2 filled with gas maintain the inflated state in which the bag body 1 is strained for a long time. Therefore, the front and back films 5 and 6 have gas barrier properties. The film having gas barrier properties can be selected from, for example, a nylon film, a polyester film, and an ethylene vinyl alcohol copolymer film. On the other hand, the front and back films 5 and 6 have heat sealing properties in order to enable bag making by welding of the bag body 1 and the above-mentioned sealed welding line 11, and for example, a polypropylene film is selected. In order to satisfy both the gas barrier property and the heat sealing property, the front and back films 5 and 6 constitute a composite film in which a gas barrier film layer and a heat sealing film layer are laminated or laminated. That is, such a composite film may be a thin film laminated or a laminated structure in which one resin film is coated with the other resin.

For example, in the case of the first embodiment of the bag structure illustrated in FIG. 3A, the front and back films 5 and 6 of the bag 1 are constituted by a single continuously extending tube.
It is composed of a composite film having a heat sealable film layer 12 on the inside and a gas barrier film layer 13 on the outside. Accordingly, the gas barrier film layer 13 prevents the gas from leaking from the inside of the bag body 1, and performs welding such as the welding wire 10 and the sealing welding wire 11 at both ends of the tube via the heat-sealing film layer 12. Can be applied. In addition, it is preferable that the bag body 1 is further inflated by filling with a gas than the illustrated state.

In the case of the second embodiment of the bag structure illustrated in FIG. 3 (B), the bag 1 has front and back films 5 and 6 which are arranged to face each other, and side seals are provided on both side edges of the bag 1. Rim 14
Is formed. In addition to the configuration shown in the figure, the front and back films 5 and 6 are formed by half-folding one film in the width direction, and the side seal edge 14 is formed on the half-folded free edge. Is also good. Therefore, the films 5 and 6 are composed of a composite film having a heat-sealing film layer 12 on the inside and a gas barrier film layer 13 on the outside. Therefore, the gas barrier film layer 13 prevents the gas from leaking from the inside of the bag 1, and the heat-sealing film layer 12 enables welding at the side seal edge 14, as well as the above-described welding wire 10 and sealing. A welding process like the welding wire 11 is enabled. Note that the bag 1 is further inflated by filling it with gas, compared to the state shown in the figure.

Further, in the case of the third embodiment of the bag structure illustrated in FIG. 3C, the bag 1 is provided with front and back films 5 and 6 which are opposed to each other. It has gusset parts 15, 15 folded in a substantially V-shaped cross section. In the case of the illustrated example, the front and back films 5, 6 with gussets are formed by bending a single film. The side seal edge 14 is formed at the free edge of the films 5 and 6 located at the position shown in FIG. In addition, in addition to the configuration shown in the figure, the front and back films 5 and 6 are formed of two films, and a pair of side seal edges 14 and 14 are provided so as to be located on the gusset portions 15 and 15 on both sides. Is also good. In this embodiment, the films 5 and 6 are composed of a three-layer composite film in which a gas barrier film layer 13 located in the middle is heat-sealed film layers 12a and 12b laminated in a sandwich manner from both inside and outside. . Therefore, the gas barrier film layer 13 prevents the gas from leaking from the inside of the bag 1, and the inner heat-sealable film layer 12 a enables welding at the side seal edge 14. And a welding process like the sealed welding wire 11 is enabled. At this time, when the side seal edge 14 was formed by fusing and welding, as shown in FIG. 3D, the outer heat-sealable film layer 12b was welded to each other beyond the fusing edge of the gas barrier film layer 13. Since the melt extension 16 is formed, gas leakage from the side seal edge 14 is reliably prevented, and welding strength is improved. The bag 1 is filled with gas so that the gusset 1
5 and 15 are inflated so as to be completely extended and taut. Incidentally, the first embodiment shown in FIG.
A similar three-layer composite film may be used in the bag structure as in the second embodiment shown in FIG.

(First Embodiment of Manufacturing Method of Package) FIG. 4
1 shows an embodiment of the method for manufacturing a package according to the first embodiment, and a bag 1 made in advance is waiting in a state where the bottom is opened.

On the other hand, before the bar-shaped article 3 is inserted into the bag 1, the connecting piece 4 is fixed to the tail end 3a.

FIG . 5 shows one embodiment for providing the connecting piece 4 .
An example is shown. The connecting piece 4 constitutes a tube body 17 formed of a heat-shrinkable synthetic resin film, and is shrunk by heating with the tail end 3a of the rod-shaped article 3 inserted into one end of the tube body 17. Therefore, the holding portion 18 holding and tightening the rod-shaped article 3 by the contracted tube body 17 and the extension portion 19 extending from the holding portion 18.
Is obtained.

[0020]

[0021]

[0022]

[0023]

Therefore, as shown in FIG. 4 (A), toward the inside of the bag 1 on standby, through the bottom opening of the bag,
The rod-shaped article 3 is inserted from the tip 3b (article insertion step). At this time, with the rod-shaped article 3 inserted in a predetermined position, the extension 19 of the connecting piece 4 is inserted through the bottom opening of the bag 1, and preferably, as shown in the drawing, the extension 19 is connected to the bottom opening edge 5a, 6a. Then, similarly, the nozzle device 26 is inserted toward the inside of the bag 1 via the opening at the bottom (nozzle insertion step). The article insertion step and the nozzle insertion step may be performed simultaneously, or may be performed sequentially. Although not shown, the nozzle device 26 can be moved in the axial direction by means of a driving device such as a cylinder device.

When gas is supplied from the nozzle device 26 into the bag 1 in this state, the bag 1 expands (gas filling step). That is, the nozzle device 26 is connected to a gas supply device 27 such as a compressor or a pump, and ejects gas supplied by the gas supply device 27 from the tip of the nozzle device 26 toward the inside of the bag 1. . As shown in the example,
For example, when the rod-shaped article 3 is an article requiring a sanitary condition such as a toothbrush, a sterilization device 29 is provided in a gas flow path 28 between the gas supply device 27 and the nozzle device 26. The sterilizer 29 can be constituted by a filter for removing bacteria such as Escherichia coli, a heating means for sterilizing the bacteria, and the like, thereby keeping the inside of the bag 1 in a sterile state or a sterile state. In addition, more preferably, a germicide is mixed with the supplied gas or the nozzle device 2 is used.
6 can be configured to supply the antibacterial agent into the interior of the bag 1 from a nozzle separate from the nozzle.

Outside the bottom opening edges 5a, 6a of the bag 1, a sealing means 30 and a welding sealing means 31 are arranged.
In the case of the illustrated example, the sealing means 30 and the welding sealing means 31 are both provided by a pair of opening and closing devices 32 which are opened and closed by a driving means such as a cylinder, but they may be separately provided. Therefore, as shown in FIG.
The nozzle device 26 is retracted in a state where the bag body 1 is inflated by ejecting gas from the nozzle device (nozzle retreating step). Then, the bottom opening edges 5a and 6a of the bag 1 are sandwiched and welded via the extension 19 of the connecting piece 4 (welding sealing step). It is preferable that the nozzle device 26 in the retracted state continues to emit gas until the welding sealing step is completed. At the tail end (bottom) of the bag body 1, a sealing welding wire 11 for welding and sealing the opening edges 5 a, 6 a of the front and back films 5, 6 in a sandwich manner with the extension 19 of the connecting piece 4 interposed therebetween by a welding sealing process. Are formed over the entire width of the bag 1. In order to realize complete welding and integration of the opening edges 5a, 6a and the extension portion 19 so as to improve the airtightness of the sealing welding wire 11, the connecting piece 4 must be made of a film having at least a material of the extension portion 19. It is preferable that the same resin as the heat-sealable film layers 12 (12a) of Nos. 5 and 6, for example, both are made of polypropylene.

At the time of the sealing welding step, simultaneously with or immediately after forming the sealing welding line 11 by the pair of opening / closing devices 32, the fusing along the sealing welding line 11 is performed simultaneously by the leading edge of the opening / closing device 32. The opening edges 5a, 6a extending outward from the opening / closing device 32 and the free end of the extension 19 are separated (separation finishing step). Then, the separated chips are then blown off by the gas ejected from the nozzle device 26. However, the means for forming the sealed welding wire 11 (opening / closing device 32 in the case of the illustrated example) and the means for separating the free end as described above may be separately provided.

According to the manufacturing method as in the above embodiment, the article insertion step, the nozzle insertion step, the gas filling step, the nozzle retreating step, the welding sealing step, and the separation finishing step are performed through the bottom opening of the bag 1. Since all operations can be performed, work efficiency is improved, and it is easy to automate all steps. However, the package of the present invention is not limited to one manufactured by such a method, and the rod-shaped article 3 is inserted. And an opening for inserting and retracting the nozzle device 26 are separately provided in the bag 1, and after the bag is inflated, each opening is welded and sealed. May be. Further, if the tail end portion 3a of the rod-shaped article 3 is held by the holding portion 18 of the connecting piece 4 as in the above embodiment, it is suitable for the above-described highly efficient manufacturing method. The purpose of the package is to store the rod-shaped article 3 in the balloon 1 in a balloon state by the connecting piece 4 in a substantially suspended state or a swimming state. Is arbitrary, and the shape, material and number of the connecting pieces 4 are not limited.

(Second Embodiment of Package) FIG. 6 shows a second embodiment of a package of bar-shaped articles according to the present invention.
Since it is basically the same as the first embodiment, only the differences will be described.
Constitutes a core material 7a extending along the inner surface of the back film 6 to the bottom of the bag body 1. Therefore, the sealing welding wire 11 formed on the bottom of the bag 1 is welded and integrated by the front and back films 5 and 6 with the extension 19 of the connecting piece 4 and the core material 7a interposed therebetween. For this reason, the core material 7a is formed of the heat-sealing film layers 12 (12a) of the front and back films 5, 6.
If the connection piece 4 is made of the same resin as the resin, for example, the heat-sealable film layer 12 (12a) and the connection piece 4 are made of polypropylene, the core material 7a is preferably made of polypropylene.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a rod-shaped article package according to the present invention.

FIGS. 2A and 2B show a first embodiment of a bar-shaped article package according to the present invention, wherein FIG. 2A is a central longitudinal sectional view and FIG. 2B is a transverse sectional view.

3A and 3B show a bag constituting a package of a bar-shaped article according to the present invention, wherein FIG. 3A is a cross-sectional view showing a first embodiment of the bag structure, and FIG. (C) is a cross-sectional view showing a third embodiment of the bag structure,
(D) is an enlarged sectional view showing a fusing point of the third embodiment.

4A and 4B show an embodiment of a method for manufacturing a package of rod-shaped articles according to the present invention, wherein FIG. 4A is a longitudinal sectional view showing an article insertion step and a nozzle insertion step at the same time, and FIG. It is a longitudinal cross-sectional view which shows a nozzle evacuation process and a welding sealing process simultaneously.

FIG. 5 is a cross-sectional view showing one embodiment for providing a connecting piece on a rod-shaped article in the manufacturing method according to the present invention.

FIGS. 6A and 6B show a second embodiment of a rod-shaped article package according to the present invention, wherein FIG. 6A is a central longitudinal sectional view and FIG. 6B is a transverse sectional view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bag 2 Balloon 3 Rod-shaped article 4 Connecting piece 5 Front film 6 Back film 5a, 6a Opening edge 8 Header part 9 Hanging means 11 Sealing welding wire 12, 12a, 12b Heat sealable film layer 13 Gas barrier film layer 14 Side Seal edge 15 gusset part 16 melting extension part 18 holding part 19 extension part 26 nozzle device 27 gas supply device 30 sealing means 31 welding sealing means 32 opening and closing device

Claims (2)

(57) [Claims] 1. A bag 1 made of a synthetic resin film is inflated by being filled with gas from an opening, and the opening is welded and sealed to form a balloon. Are stored in a substantially suspended state, and a connecting piece 4 made of a rigid resin fixed to the tail end portion 3a of the rod-shaped article 3 is welded to the welded and sealed portion of the bag body 1 .
The connecting piece 4 is formed of a heat-shrinkable synthetic resin film.
And the tail end of the rod-shaped article 3
Holding and tightening by heat shrinking the part 3a in the inserted state
Holding portion 18 extending from the holding portion 18
9 and the extension 19 is provided at the welded and sealed portion of the bag 1.
A package for rod-shaped articles, which is welded in a sandwich shape . 2. A heat-shrinkable synthetic resin film.
Rod-shaped article at one end of the connecting piece 4 comprising
Insert the tail end 3a of 3 and shrink it by heating and connect
A holding portion 18 for holding and tightening the tail end portion 3a by the piece 4;
Forming an extension 19 extending from the holding portion 18
When, in the interior of the synthetic resin film bag body having an opening at one end, a step of inserting the distal end portion 3b through the opening rod-like articles 3, the bag 1 the extension 19 of the connecting piece 4 A step of filling the inside of the bag with gas from the opening to inflate the bag while the bag is inserted through the opening, and opening edges 5a and 6a forming the opening of the bag with the connecting piece 4. A step of integrally welding and sealing in a sandwich shape with the extension portion 19 interposed therebetween to obtain a package in which the rod-shaped article 3 is stored in a substantially suspended state inside the balloon formed of the inflated bag body 1. A method for producing a package of rod-shaped articles, characterized by comprising the following.