JP2003252378A - Water holding bag for flower and forming method for the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a water holding bag for flower with which a periphery of a stem is reliably liquid-tightly sealed and prevents water from leaking due to an external pressure or the like. <P>SOLUTION: A bag body 2 of the water holding bag 1 for flower seals a supplied liquid W, and a waterproof sponge piece 6 is attached to an external surface thereof. The stem S is soaked in the supplied liquid W through the sponge piece 6 and the bag body 2. The sponge piece 6 pressurizes the stem S by its elastic force to surely seal a periphery of the stem. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flower water retention bag for holding a water supply liquid supplied to a flower without leaking it, and a method for forming the same.

[0002]

2. Description of the Related Art A technique relating to this type of water retaining bag is disclosed in, for example, Japanese Patent Application Laid-Open No. 8-172910 and Japanese Patent Application Laid-Open No. 8-17291.
It is described in Japanese Patent Publication No. 1 and the like. The former technique is to fill a liquid in a flexible container made of thin rubber or the like, insert a stem of a plant into the container, and close the mouth of the container by its contracting force. In the latter technique, the liquid is contained in a container made of a material having a contracting force, and the mouth of the liquid is closed by a water-absorbing polymer. According to these conventional containers, the container gradually contracts as the cut flowers absorb water, and the contracting force makes it easier for the water to come into contact with the stems, and therefore it is considered that continuous water supply to the cut flowers is easy.

[0003]

However, since the former container has its mouth closed by the contracting force of its material, water is easily leaked when external pressure is applied to the container when inserting the stem. In addition, the latter container has a problem that the powdery polymer has poor adhesion to the stalk until the water is sufficiently supplied, and the stalk is not stable during that time.

Therefore, another container is disclosed in, for example, Japanese Patent Laid-Open No. 10-4787. This container has a shape-reinforcing reinforcement portion on its side and a through hole smaller than the stem diameter in the upper portion. Of these, the reinforcement part suppresses deformation of the container due to external pressure, and the through hole tightens the circumference of the stem like a check valve by the elastic force of the material of the container to suppress water leakage when inserting the stem. . However, in this container, since it is necessary to provide a reinforcing portion by a resin molding method such as blow molding, the cost becomes high, and
If the stem has irregularities, there is another problem that the penetration hole expands and water leaks easily from there.

Therefore, an object of the present invention is to provide a water retaining bag for a flower and a method for forming the same, which can reliably seal the periphery of the stem regardless of the shape of the stem and prevent water leakage due to external pressure or the like.

[0006]

SUMMARY OF THE INVENTION The present invention solves the above problems by accommodating a flower stem through a bag body and sealing the periphery with an elastic body. The elastic body is provided so as to be attached to the outer surface of the bag body, and the elastic force presses the stem to prevent leakage of the water supply liquid. Further, the elastic body is elastically deformed following the shape of the stem (unevenness such as a bump), and the periphery thereof can be reliably sealed.

Perforations having an inner diameter smaller than the outer diameter of the stem can be formed in the elastic body in order to guide the penetration of the stem into the bag body. In this case, the perforation is spread out by the penetration of the stem and firmly adheres to the periphery thereof. Further, in the molding method of the present invention, the water supply liquid may be sealed in the bag body first, and then the elastic body may be attached to penetrate the stem. Therefore, the water-retaining bag can be easily handled in the molding process, and the position where the stem penetrates the bag body can be appropriately selected and deformed.

[0008]

1 and 2 show a first embodiment of a water retaining bag for flowers. For example, a cut flower F is selected as a flower contained in the water retaining bag 1. There is no particular limitation on the type of cut flower F, and the water retention bag 1 can be molded in accordance with various types. The height of the cut flower F is preferably about 50 cm to 60 cm,
An appropriate height can be set in consideration of the variety of cut flowers F and marketability. Therefore, the size of the water retention bag 1 is also appropriately set according to the size of the cut flower F.

The bag body 2 of the water retention bag 1 is made of, for example, a plastic film having a heat-welding property, and in the first embodiment, the bag body 2 is formed of a film tube having a predetermined length. The bag body 2 has a palm-sealing seal portion 4 at each of the upper and lower ends thereof, and the water supply liquid W is hermetically stored therein. As the water supply liquid W, a liquid such as tap water or a chemical liquid is appropriately selected.

The cut end of the stem S of the cut flower F penetrates the bag body 2 and is immersed in the water supply liquid W. In order to seal this penetrating portion, a waterproof sponge piece 6 is attached to the outer surface of the bag body 2, and the stem S also penetrates the waterproof sponge piece 6. The waterproof sponge piece 6 does not get inundated because its structure is formed by so-called independent foaming, and has a completely waterproof property. Further, the waterproof sponge piece 6 presses the periphery of the stem S by its elastic force and prevents the water supply liquid W from leaking from the bag body 2. For the waterproof sponge piece 6, it is preferable to use an elastic body having an international rubber hardness (IRHD) of about 30 degrees, for example. Further, since the waterproof sponge piece 6 is firmly adhered to the bag body 2 by using, for example, an adhesive tape, the bag body 2 is prevented from tearing from the penetrating portion of the stem S.

The water retention bag 1 of the first embodiment is formed by the following method, for example. First, as shown in FIG. 3, one end opening of the tubular film packaging material is heat-sealed,
The above-mentioned gas palm seal portion 4 is formed. At this point, a bag-shaped bag body 2 having an open end is obtained. Note that either the upper end or the lower end may be sealed. Next, as shown in FIG. 4, the other end opening is heat-sealed in a state where the water supply liquid W is injected into the bag body 2 to form the gas-sealing seal portion 4.
At this point, the bag body 2 is sealed and the water supply liquid W is sealed inside.

When the bag body 2 is sealed, the waterproof sponge piece 6 is adhered to the outer surface thereof. In the case of the first embodiment, the waterproof sponge piece 6 is preferably attached to one surface of the bag body 2, that is, a position corresponding to the outer peripheral surface of the tubular film. In the vertically long bag main body 2, by attaching the waterproof sponge piece 6 near the upper end thereof, it is possible to secure a sufficient insertion length of the stem S.

FIG. 5 specifically shows the attachment site of the waterproof sponge piece 6. Before the stalk S is penetrated, the waterproof sponge piece 6 is preliminarily formed with perforations 8. The perforation 8 is formed so as to penetrate the waterproof sponge piece 6 in its thickness direction, and its inner diameter d is set to be smaller than the outer diameter D of the stem S (d <D). When the thickness of the stem S varies, the inner diameter d is set to a value smaller than the smallest outer diameter D.

As shown in FIG. 5, it is preferable that the stem S contained in the water retaining bag 1 has its tip previously cut obliquely. In this case, insert the cutting end of the stem S into the perforation 8,
The bag body 6 can be easily penetrated as it is. At this time, since the stem S is guided to the perforation 8, the center of the stem S substantially coincides with the center of the perforation 8. Further, the film packaging material is easily pierced by inserting the stem S. In addition, if another hole, for example, a pinhole 10 is formed in advance at a position matching the hole 8 of the bag body 6, the work of penetrating the stem S will be easier.

As shown in FIG. 6, when the stem S is further inserted into the bag body 2, the cut end of the stem S can be dipped in the water supply liquid W. At this time, the waterproof sponge piece 6 presses the periphery of the stem S by its elastic force, seals the periphery of the stem S, and supplies the water supply liquid W.
To prevent leaks. Further, since the waterproof sponge piece 6 is securely adhered to the bag body 6, the water supply liquid W does not leak from the penetrating portion of the stem S. Further, even if there is a protrusion such as a bump on the stem S, the waterproof sponge piece 6 is elastically deformed following the outer surface of the waterproof sponge piece 6 and the periphery thereof can be reliably sealed.

7 and 8 show a water retaining bag 1 according to the second embodiment. In the second embodiment, the bag body 2 is formed of a half-folded bag obtained by three-way sealing a two-fold film packaging material. The bag body 2 has a palm-sealing seal portion 4 at its lower end and both side edges, and the water supply liquid W is hermetically stored therein. The water retention bag 1 according to the second embodiment is formed, for example, by the following method.

First, as shown in FIG. 9, both side edges of the double-folded film packaging material are heat-sealed to form a pair of both sides palm-sealing portions 4. At this point, a bag-shaped bag body 2 having an open end is obtained. Next, as shown in FIG. 10, the water supply liquid W is injected into the bag body 2 and the opening thereof is heat-sealed to form the gas palm seal portion 4. This completes the three-way seal, the bag body 2 is sealed, and the water supply liquid W
Is in a sealed state.

When the bag body 2 is sealed, the waterproof sponge piece 6 is adhered to the outer surface thereof. In the case of the second embodiment, it is preferable that the waterproof sponge piece 6 is attached to the top surface of the bag body 2 as seen in FIG. Then, the stem S is penetrated through the bag main body 2 through the perforations 8 of the waterproof sponge piece 6, and the cut end thereof is dipped in the water supply liquid W to obtain the water retention bag 1 of the second embodiment. The water retention bag 1 according to the second embodiment has a symmetric shape, a good packing appearance, and higher commercialability.

In each of the above-mentioned embodiments, the stem S is penetrated through the bag body 2 at the end in the process of forming the water retention bag 1, but the stem S is penetrated before the water supply liquid W is injected into the bag body 2. You can For example, as shown in FIG. 11, in the process of molding the water retention bag 1, the waterproof sponge piece 6 is attached with one end of the bag body 2 opened. In this state, the stem S penetrates the bag body 2 and the water supply liquid W is injected from one end opening. At this time, since the bag body 2 does not leak due to the waterproof property of the waterproof sponge piece 6, each embodiment (first embodiment in the example of FIG. 11) can be performed by heat-sealing the one end opening while the water supply liquid W is stored. A water retention bag 1 similar to the above is obtained.

According to the water retention bag 1 of each of the above-mentioned embodiments,
Since the stem S is pressed by the elastic force (hard elastic force) of the waterproof sponge piece 6, even if the stem S becomes thin due to the alteration of the cut flowers F, the circumference can be tightened following this, and it is always reliable. It enables various seals. In addition, since the water supply liquid W can be sealed in the bag body 2 in advance when the water retention bag 1 is formed, there is an advantage that handling is easy and workability is excellent.

In particular, since the stem S can penetrate the bag body 2 at the position where the waterproof sponge piece 6 is attached, the penetration position of the stem S is not limited to the mouth portion of the bag body 2 and can be arbitrarily selected and changed. is there. Therefore, it is possible to obtain the water retention bag 1 having an appropriate shape according to the shape and properties of the flower. The water-retaining bag of each of the above-described embodiments and the water-retaining bag obtained by the method of molding the same can surely adhere to the outer surface of the stem regardless of the outer shape of the stem to reliably seal the water supply liquid. Further, even when external pressure is applied to the water retaining bag, the perforated portion is not enlarged by the liquid pressure, and the water supply liquid does not leak undesirably. For this reason, it is possible to retain the water supply liquid for a long period of time during the shipping and distribution process from the flower producing area to the market,
Allows guaranteed shelf life of cut flowers. In addition, the flowers can be easily handled even when they are stored in the water-retaining bag, and the transportability of cut flowers and the marketability can be greatly improved.

The present invention is not limited to the above embodiment,
It can be implemented in various modes. For example, the bag body may be made of a transparent or semi-transparent film, or the window may be provided in the bag body so that the remaining amount of the water supply liquid can be visually confirmed. You may attach information, an identification mark, etc. There are no particular restrictions on the size and shape of the waterproof sponge piece 6, the size of the perforations 8, etc.
These sizes can be appropriately set according to the standard of the flower. Further, the film packaging material may be heat-sealed with a heater block in the process of forming the gas-sealing seal portion, or impulse sealing, ultrasonic sealing or the like may be used.

In addition, in each of the embodiments, the waterproof sponge piece is used as the elastic body, but the elastic body is not limited to this. For example, instead of the waterproof sponge piece, elastic seal rubber, seal putty, silicone resin or the like may be used.

[0024]

EFFECTS OF THE INVENTION The water retaining bag for flowers of the present invention reliably seals the water supply liquid, and makes it possible to guarantee the long-term shelf life of the flowers of each variety. Moreover, since the insertion position can be changed or the shape of the bag body can be changed according to the form and properties of the flower, it is possible to provide a water retaining bag with high practicality and flexibility. Further, it is possible to improve the commercial value by improving the packaging of the water retaining bag, or to improve the distribution of the water retaining bag by molding the water retaining bag at a low cost.

Further, in the molding method of the present invention, it is possible to arbitrarily select whether to seal the bag body first and then insert the stem, or to insert the stem into the bag body and then inject the water supply liquid. A more suitable molding method can be selected according to the above. Therefore, there is a high degree of freedom in automating the process of forming the water retaining bag.

[Brief description of drawings]

FIG. 1 is a view showing a water retention bag according to a first embodiment.

FIG. 2 is a cross-sectional view of the water retention bag taken along the line II-II in FIG.

FIG. 3 is a perspective view showing a molding process of the bag body.

FIG. 4 is a perspective view of a bag body to which a waterproof sponge piece is attached after sealing the water supply liquid.

FIG. 5 is a view showing a process of penetrating a stem into a bag body.

FIG. 6 is a diagram specifically showing a penetrating portion of a stem.

FIG. 7 is a view showing a water retention bag of a second embodiment.

FIG. 8 is a cross-sectional view of the water retention bag taken along line VIII-VIII in FIG.

FIG. 9 is a perspective view showing a forming process of the bag body.

FIG. 10 is a perspective view of the bag body to which the waterproof sponge piece is attached after sealing the water supply liquid.

FIG. 11 is a diagram for explaining a forming process of the bag body.

[Explanation of symbols]

1 water retention bag 2 bags body 6 waterproof seal pieces 8 drilling 10 pinholes F cut flowers S stem W water supply

   ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 3E035 AA03 AA20 AB10 BA08 BB10                       BC02 BD04 CA01                 3E064 BA21 BA60 BC16 EA10 EA18                       EA30 FA01 FA04 HD10 HM01                       HN04                 3E067 AA03 AA11 AB90 AC05 BA12A                       BB14A CA07 EA34 EC38                       FA01 FC05 GA23 GD01

Claims (8)

[Claims] 1. A bag body in which a water supply liquid for supplying to a flower is sealed and stored, and a bag main body through which a cut end of a stem penetrates, and an outer surface of the bag main body, the bag main body being attached to the bag main body. A water retaining bag for a flower, comprising an elastic body that presses the stem penetrated by the main body with elastic force and seals the periphery of the stem. 2. The hole according to claim 1, further comprising a hole formed in the elastic body for guiding the penetration of the stem into the bag body and having an inner diameter smaller than an outer diameter of the stem. Water retention bag for flowers. 3. The water retaining bag for a flower arrangement according to claim 1, wherein the bag body is formed of a tubular film packaging material, and the elastic body is attached to an outer peripheral position of the bag body. . 4. The water retaining bag for a flower arrangement according to claim 1, wherein the bag body is formed of a half-folded film packaging material, and the elastic body is attached to the folding position. . 5. The water retaining bag for a flower according to claim 1, wherein the elastic body is a waterproof sponge piece. 6. A bag forming step of forming a bag body having a shape of a bag having an open end, a sealing step of injecting a water supply solution into the bag body and closing the opening at one end to seal the inside, Forming a perforation having an inner diameter smaller than the outer diameter of the stem in an elastic body having an attaching step of adhering this elastic body to the outer surface of the bag body, and a cutting end of the stem to the bag body through the perforation. A method of forming a water retaining bag for a flower, which comprises: 7. The method of forming a water retaining bag for a flower according to claim 6, wherein the sealing step is performed after the penetrating step. 8. The method according to claim 6, further comprising the step of forming another perforation at a position which should coincide with the perforation of the elastic body on the outer surface of the bag body before performing the penetrating step. Alternatively, the method for forming a water retaining bag for flowers according to item 7.