JP3559761B2 - Culture clay bag and method for producing the same - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a culture soil bag that can be used for cultivation after being used for sale of culture soil, for example.
[0002]
[Prior art]
Conventionally, when cultivating plants such as fruits and vegetables, containers such as pots, containers, and planters are used to accommodate culture soil therein and grow plants.
[0003]
[Problems to be solved by the invention]
However, in this case, it is necessary to transfer the culture soil from the bag to the container after purchasing and acquiring the culture soil in a bag.
[0004]
An object of the present invention is to provide a culture soil bag that can be used for cultivation while being stored in a bag without transferring the culture soil to another container such as a pot, a container, or a planter, and a method for producing the same.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the invention according to claim 1 has a holding means capable of holding both corners of the end opposite to the opening side of the bag body in a state where they are brought close to each other. Ear portions defined integrally by a heat seal portion are provided on both side edges of the bag body, and the holding means is provided on the side of the ear portion according to at least one of a guide line provided on the ear portion and a perforation. The gist of the present invention is that the binding portion can be formed by being separated from the binding portion .
[0006]
According to the present invention, the holding means integrally provided on the culture soil bag is such that the two corners of the end opposite to the opening side of the bag body of the culture soil bag are brought closer to each other. Held by In a state in which the two corners are brought close to each other, the culture soil bag in which the culture soil is accommodated is well placed, and a stable self-standing container can be obtained. Therefore, the culture soil can be easily used for cultivation while being stored in the bag without being transferred to another container such as a pot, a container, or a planter. According to this, for example, a bag used to sell the culture soil can be used as it is as a cultivation bag.
[0007]
Here, the “integrally provided” state refers to a state in which the holding unit is formed integrally with the culture soil bag, and a case in which the holding unit is separate from the culture soil bag. It means a state of being fixed to the bag.
[0009]
According to a second aspect of the present invention, in the first aspect of the present invention, a holding means forming portion defined by a heat seal portion is provided at an end opposite to the opening side of the bag body. The gist is that the holding means is a binding part which can be formed by separating from the holding means forming part side according to at least one of a guide line provided on the holding means forming part and a perforation.
[0010]
According to the first or second aspect of the present invention, the binding portion integrally formed on the ear portion or the holding means forming portion of the culture clay bag is bound to each other, so that the opening portion of the bag body is on the opposite side. This makes it possible to hold both corners of the end part close to each other. Further, since the binding portion can be used only by separating it from the ear portion side or the holding means forming portion side, it becomes easy to use and inexpensive in processing cost. In particular, according to the invention of claim 2 , since it is not necessary to provide ears on both side edges of the bag main body, it is not necessary to provide a heat seal portion for forming the ears, and to secure the ears. Material consumption can be reduced.
[0011]
According to a third aspect of the present invention, in the first aspect of the present invention, the holding means is a binding member fixed to both corners of an end opposite to the opening side. Make a summary.
[0012]
According to this invention, it is possible to use a material different from the material of the culture clay bag as the holding means. Therefore, the effect of claim 1 can be more easily exerted by fixing the binding member that is easy to bind.
[0013]
The invention according to claim 4 is a step of sequentially forming a heat-seal portion having a predetermined width or two stripes extending at a predetermined pitch on the tubular resin film so as to extend along the width direction; A step of opening one side edge of the film in a longitudinal direction thereof, and at least one of a guide line and a perforation for forming a binding portion between the heat seal portion having the predetermined width or the two heat seal portions. And a step of cutting the intermediate portion of the heat seal portion having the predetermined width or the space between the two heat seal portions along the width direction.
[0014]
According to the present invention, the culture clay bag can be easily formed from the tubular resin film.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
(1st Embodiment)
Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
[0016]
The culture clay bag 10 of the present embodiment shown in FIG. 1 is formed of a film material using a polyethylene resin as a raw material. FIG. 1 shows a culture soil bag 10 in a state before accommodating the culture soil. An opening 11 capable of supplying the culture soil into the culture soil bag 10 is formed on the upper end side of the culture soil bag 10. On both side edges of the bag body 10A of the culture clay bag 10, ear portions 13 defined by the heat seal portion 12 are provided so as to extend in the vertical direction along the bag body 10A. In this embodiment, the width of both ears 13 in the left-right direction is set to approximately 30 to 60 mm. Perforations 14 are formed at the lower end sides of the both ears 13 so as to extend mainly in the vertical direction so that a part of each ear 13 can be cut without using a cutting instrument such as a cutting tool. The portions cut off from the ears 13 after being cut according to the perforations 14 are formed so that the base end is disposed at both corners on the lower end side of the culture clay bag 10 and serve as holding means described later. The band-shaped binding portion 15 is formed. On the upper end side of the culture clay bag 10, a cutting guide display 16 extending along the left-right direction is printed at a predetermined interval from the upper edge of the bag body 10A. Further, on both sides of the culture clay bag 10, a product name display, a design display, a handling instruction display, and the like (not shown) are printed.
[0017]
Next, a method for manufacturing the culture clay bag 10 will be described with reference to FIGS.
First, as shown in FIG. 2, a tubular inflation film 20 having a folded diameter corresponding to the vertical length of the culture clay bag 10 is manufactured. The blown film 20 is formed by extruding a molten polyethylene resin into a tube by an inflation molding method.
[0018]
Next, as shown in FIG. 3, a cutting guide display 16, the product name display, a design display, an instruction manual display, and the like are provided on the blown film 20 along the longitudinal direction of the film 20 by, for example, a gravure or flexo method. The printing is continuously performed using the size corresponding to the width of the culture clay bag 10 as a unit.
[0019]
Next, the two heat-sealed portions 12 are formed on the blown film 20 so as to extend along the width direction of the film 20 by a predetermined pitch (the size corresponding to the width of the culture soil bag 10) in the longitudinal direction of the film 20. ). In this embodiment, the distance between the two heat seal portions 12 is set to approximately 60 to 120 mm.
[0020]
Next, a substantially inverted U-shaped perforation 14A is sequentially formed in the middle part of the two heat-sealing portions 12 on the side that becomes the lower end side of the culture clay bag 10. The vertical width of the perforation 14 </ b> A, which is the length of the binding portion 15, is set to approximately half the size of the culture clay bag 10. The perforations 14A are formed so as not to reach the two heat-sealed portions 12 (so as not to cross or contact with each other).
[0021]
Further, one side edge of the inflation film 20, which is the upper end side of the culture clay bag 10, is cut open along the longitudinal direction of the film 20 as shown by a two-dot chain line L1 shown in FIG. An opening 11 as shown is formed.
[0022]
Then, the intermediate portion of the two heat seal portions 12 is cut along the width direction of the blown film 20 as shown by a two-dot chain line L2 shown in FIG.
Through these steps, the culture clay bag 10 as shown in FIG. 1 can be manufactured.
[0023]
FIG. 4 shows a state in which the culture soil is accommodated in the culture soil bag 10. The culture soil bag 10 is filled with the culture soil from the opening 11 shown in FIG. After the culture soil bag 10 is inserted, the heat sealing portion 17 is formed along the left and right direction of the culture soil bag 10 at the upper end side of the cutting guide display 16 after the culture soil is inserted, so that the opening 11 is closed. The state shown in FIG. The cultivation soil is supplied to the user side by sale or the like while being contained in the cultivation clay bag 10 in this manner.
[0024]
Hereinafter, a method of using the culture soil with the culture soil bag 10 stored therein will be described.
As shown in FIG. 5, first, the culture soil bag 10 in which the culture soil is accommodated is placed such that the lower end side (the end side opposite to the side where the heat seal portion 17 is formed) faces upward. It is arranged upside down so that the culture soil on the lower end side is brought to the upper end side (the end side on which the heat seal portion 17 is formed).
[0025]
Then, each ear 13 is cut off from each side end according to a perforation 14 (shown in FIG. 1), and each binding part 15 is cut off from each ear 13 side to form.
Next, as shown in FIG. 6, the both binding portions 15 are connected to each other.
[0026]
Thereafter, as shown in FIG. 7, the culture clay bag 10 is disposed so that the upper end side is upward. At this time, the lower end side of the culture sandbag 10 is held in a state where the both binding portions 15 are tied together so that both corners of the bag body 10A are brought closer to each other, and the culture sandbag 10 is more stably held. Has a shape that allows it to stand.
[0027]
Further, if necessary, a hole 18 is opened in the lower end portion side of the culture clay bag 10 with a driver or the like to adjust the water retention.
Next, the upper end side of the culture clay bag 10 is cut open according to the cutting guide display 16 using scissors or the like to expose the culture soil. As shown in FIG. 8, seedlings are planted and several columns 30 are set up around the seedlings. When the seedlings have just been planted and the rooting is not sufficient, the opening of the bag main body 10A of the culture soil bag 10 is held upright to prevent wind.
[0028]
When the seedlings have grown and become well rooted (when they are firmly rooted), as shown in FIG. 9, the opening side of the bag body 10A of the culture clay bag 10 is rolled down to make it easier for sunlight to hit the root of the plant. . In FIG. 9, the support 30 is added or an auxiliary frame is assembled in accordance with the growth of the seedling.
[0029]
In the present embodiment, the following effects can be obtained.
(1) A binding portion 15 that can be formed by being cut off according to the perforation 14 is provided at a lower end side of the both ear portions 13, and the lower end sides of the both ear portions 13 are brought closer to each other by binding the both binding portions 15 together. It can be held in the state. According to this, a state in which the two corners on the lower end side of the culture clay bag 10 are brought close to each other is held by the binding unit 15 provided integrally with the culture clay bag 10. In a state where the two corners are brought close to each other, the culture soil bag 10 in a state in which the culture soil is accommodated is well placed. That is, the culture clay bag 10 can be made a stable self-standing container without using an auxiliary device different from the culture clay bag 10. Therefore, the culture soil can be easily used for cultivation while being stored in the bag without being transferred to another container such as a pot, a container, or a planter. According to this, for example, the culture soil bag 10 used for selling the culture soil can be used as it is as a cultivation bag. Further, if it becomes possible to use the culture soil bag 10 used for selling the culture soil as it is as a cultivation bag, the culture soil bag 10 can be used as compared with a case where the culture soil is transferred to a planter or the like. By effectively using the waste as a waste, resource saving can be improved.
[0030]
(2) Ear portions 13 defined by the heat sealing portion 12 are provided on both side edges of the culture clay bag 10, and a tying portion 15 that can be formed by separating the ear portions 13 from the ear portions 13 according to the perforations 14. Provided. According to this, by binding the binding portions 15 formed integrally with the ear portions 13 of the culture clay bag 10 to each other, it is possible to hold the lower corners of the culture clay bag 10 in a state of being brought close to each other. become. Since the binding portion 15 can be used only by separating it from the ear portion 13, it becomes easy to use and inexpensive in processing cost.
[0031]
(3) In order to produce the culture clay bag 10, two heat seal portions 12 are sequentially formed on the blown film 20 at a predetermined pitch, and a perforation 14A is provided at an intermediate portion of the two heat seal portions 12. One edge of the film 20 is opened in the longitudinal direction, and an intermediate portion of the two heat-sealed portions 12 is cut along the width direction of the film 20. According to this, the culture clay bag 10 can be easily formed from the tubular resin film (the inflation film 20).
[0032]
(4) Since the culture clay bag 10 has a sufficient depth in the up-down direction, it is possible to easily make additional soil corresponding to the mulching in a general field.
(5) After the seedlings are planted on the culture soil in the culture soil bag 10, by keeping the opening side of the bag body 10A standing up, it is easy to prevent the seedlings from wobbling, defrosting, and drying due to wind protection. Will be possible. Therefore, the initial growth of the seedling can be easily improved. In addition, by lowering or winding up the opening side of the bag body 10A as necessary, it is possible to easily adjust the sunshine and the wind, so that it is easier to care for plants as compared to a planter or the like, and to grow. It is easier to improve.
[0033]
(6) Water retention can be adjusted by opening a hole 18 at the lower end of the culture clay bag 10 with a screwdriver or the like. Thereby, it becomes possible to easily adjust the water retention conditions suitable for the plant to be cultivated.
[0034]
(7) The culture clay bag 10 was formed from a film material using polyethylene resin as a raw material. According to this, when the culture clay bag 10 is incinerated, there is no risk of generating toxic substances such as chlorine gas and dioxin.
[0035]
(Second embodiment)
The culture sandbag 10 of the second embodiment and the method for manufacturing the same are mainly different from the first embodiment in the configuration of the ears and the binding portion and the configuration of the manufacturing process of the culture sandbag 10. I have. Hereinafter, regarding the second embodiment, the same components as those of the first embodiment will be denoted by the same reference numerals in the drawings, and redundant description will be omitted.
[0036]
As shown in FIG. 10, the culture clay bag 10 of this embodiment has a heat sealing portion 12 provided on both side edges in the first embodiment so as to extend in the vertical direction along the bag body 10 </ b> A, and is divided by these. The formed ears 13 are eliminated. Instead, a single heat seal formed along the left-right direction of the culture bag 10 is provided at the lower end opposite to the opening 11 (illustrated in FIG. 1 and omitted in FIG. 10). The holding means forming section 41 is defined by the section 40. The holding means forming portion 41 is provided with a perforation 42 formed in a substantially T shape so as to extend mainly in the left-right direction. The part cut off from the holding means forming part 41 after being cut along the perforations 42 has a band-like shape as a holding means formed such that the base end side is disposed at both corners on the lower end side of the culture clay bag 10. The binding unit 43 is formed.
[0037]
In the cultivation clay bag 10 of this embodiment, in a state in which the cultivation soil is accommodated in the cultivation clay bag 10, a part of the holding means forming portion 41 is cut off from the lower end side according to the perforation 42 to form the holding means forming portion 41 side. By separating them from each other, each binding portion 43 can be formed. The binding portions 43 are bound to each other so that the lower corners of the culture clay bag 10 are held in a state where they are brought closer to each other. Thereby, when the culture clay bag 10 is arranged so that the upper end side which is the opening side is upward, the shape of the lower end side of the culture clay bag 10 can stably stand the culture clay bag 10. become.
[0038]
Next, a method for producing the culture clay bag 10 of this embodiment will be described with reference to FIG. First, a tubular inflation film 50 having a folded diameter corresponding to the left and right width of the culture clay bag 10 is manufactured.
[0039]
Next, on the blown film 50, the cutting guide display 16, the product name display, the design display, the instruction manual display, and the like are displayed along the longitudinal direction of the film 50 in units of the vertical length of the culture bag 10. Print continuously.
[0040]
Next, one heat seal portion 40 is provided on the blown film 50 at a predetermined pitch in the longitudinal direction of the film 50 at a predetermined distance from the cutting guide display 16 so as to extend along the width direction of the film 50. (Equal to the vertical length of the culture bag 10).
[0041]
Then, perforations 42 are sequentially formed near the heat seal portion 40.
Further, the side opposite to the heat seal portion 40 across the perforation 42 is cut along the width direction of the blown film 50 as indicated by a two-dot chain line L3 shown in FIG.
[0042]
Through these steps, the culture clay bag 10 as shown in FIG. 10 can be manufactured.
In the present embodiment, the following effects can be obtained in addition to the effects similar to (1) and (4) to (7) of the first embodiment.
[0043]
(8) The holding means forming section 41 partitioned and formed by the heat sealing section 40 is provided on the lower end side of the culture clay bag 10 and formed on the holding means forming section 41 by separating from the holding means forming section 41 according to the perforation 42. A possible binding 43 was provided. According to this, by binding the binding portions 43 integrally formed with the holding means forming portion 41 of the culture clay bag 10, the lower corners of the culture clay bag 10 are held in a state of being brought close to each other. Becomes possible. Since the binding unit 43 can be used only by separating it from the holding unit forming unit 41, it becomes easy to use and inexpensive in processing cost.
[0044]
(9) One heat seal portion 40 is sequentially formed on the blown film 50 at a predetermined pitch, a perforation 42 is provided near the heat seal portion 40, and the heat seal portion 40 is opposite to the heat seal portion 40 with the perforation 42 interposed therebetween. The side was cut along the width direction of the film 50. According to this, the culture clay bag 10 can be easily formed from the tubular resin film (the inflation film 50).
[0045]
In the method for manufacturing the culture soil bag 10 of the second embodiment, only one heat seal portion 40 extending along the width direction of the inflation film 50 is formed for each culture soil bag 10. That is, as compared with the method for manufacturing the culture clay bag 10 of the first embodiment, the number of processing locations can be reduced. In addition, since the portion corresponding to the ear 13 can be reduced, the amount of material used can be reduced. Further, in this manufacturing method, the opening is formed only by cutting the film 50 as shown by a two-dot chain line L3 without cutting one side edge of the blown film 50 along the longitudinal direction of the film 50. You can do it. That is, compared with the method of manufacturing the culture clay bag 10 of the first embodiment, the number of processing points can be reduced, and the manufacturing cost can be reduced.
[0046]
The embodiment is not limited to the above, and may be, for example, in the following mode.
○ Instead of the binding parts 15 and 43 integrally formed on the lower end side of the culture clay bag 10, a binding member separate from the bag body 10A is fixed to both corners on the lower end side of the culture clay bag. Is also good. For example, as shown in FIG. 12, two string-shaped tying members 60 are provided at the lower end side in the culture clay bag 10 of the first embodiment, and the base ends thereof are at both corners of the culture clay bag 10. Secure so that it is placed. A heat seal portion 61 is formed on the upper end side of the culture clay bag 10 above the binding member 60 so as to extend along the left-right direction of the culture clay bag 10. According to this, a portion on the lower end side of the heat sealing portion 61 of the culture clay bag 10 is cut open to expose the both binding members 60 and bind them together, so that the two corners are brought closer to each other. Can be held. In this case, a material different from the material of the culture clay bag 10 can be used as the binding member 60. If the both binding members 60 can be easily bound, it is possible to more easily maintain the state in which the two corners on the lower end side of the culture clay bag 10 are brought closer to each other. In the case where the binding member is fixed to the culture soil bag, the ear portion and the holding means forming portion may not be provided on the culture soil bag. Further, both the binding members 60 are string-shaped, but, for example, a buckle is provided on the distal end side of the binding member having one of the corners as the base end, and the binding member having the other corner at the base. May be formed so as to be engageable with the buckle.
[0047]
In the manufacturing method of the first embodiment, the two heat-sealed portions 12 are formed on the blown film 20. Instead, the heat-sealed portion having a width equal to the interval between the two heat-sealed portions 12 is used. May be formed. According to this, it is possible to make the ear part a single sheet structure instead of a double film structure.
[0048]
In the manufacturing method of the second embodiment, the single heat seal portion 40 is formed on the blown film 50. Instead, the width is substantially equal to the distance between the single heat seal portion 40 and L3. May be formed. According to this, it is possible to form the holding means forming portion into a single sheet structure instead of a double film structure.
[0049]
In the manufacturing method according to the first embodiment, the heat sealing portion 12 is formed on the inflation film 20, and after forming the perforation 14A, the one side edge of the film 20 which is the upper end side of the culture soil bag 10 is attached to the film. 20 were cut open along the longitudinal direction. However, the order of these steps is not limited to the above. You may change the said process order as needed.
[0050]
In the manufacturing method according to the second embodiment, the perforations 42 are formed after the heat seal portions 40 are formed on the blown film 50. However, the order of the steps may be reversed.
[0051]
The culture clay bag 10 may indicate the number of holes 18 to be formed. According to this, adjustment of water retention becomes easier.
In the above embodiments, the binding portions 15 and 43 can be formed according to the perforations 14 and 42. However, the binding portions 15 and 43 may be formed according to the printed lines. Further, both the printed line and the perforations 14 and 42 may be provided.
[0052]
The culture clay bag 10 may not be made of polyethylene resin as a raw material.
O On both side edges of the culture soil bag 10 of the second embodiment, ear portions defined by the heat seal portion may be provided so as to extend in the vertical direction along the bag body 10A. And the part which becomes the said binding part may be formed in the said ear part.
[0053]
Next, technical ideas other than the inventions described in the claims that can be grasped from the embodiment will be described below together with their effects.
(1) A step of sequentially forming a heat seal portion extending in a width direction on a tubular resin film at a predetermined pitch, a guide line and a perforation for forming a binding portion near the heat seal portion. And a step of cutting the side opposite to the heat seal portion across the portion where at least one of the guide line and the perforation is provided so as to be along the width direction of the tubular resin film. A method for producing a culture clay bag comprising: According to this, the culture clay bag can be easily formed by the tubular resin film. In addition, it is possible to reduce the number of portions requiring heat sealing, and to reduce the amount of material used to secure the binding portion. In addition, it is possible to omit a step for forming the opening of the culture clay bag.
[0054]
(2) The culture clay bag according to any one of claims 1 to 3 , wherein the bag body is made of a synthetic resin and is made of a non-containing chlorine resin. According to this, at the time of incineration of the bag body, there is no possibility of generating at least chlorine gas.
[0055]
【The invention's effect】
As described in detail above, according to the inventions according to claims 1 to 4 , it is possible to use the cultivation soil in a bag without being transferred to another container such as a pot, a container, or a planter. A culture sandbag and a method for producing the same can be provided.
[Brief description of the drawings]
FIG. 1 is a schematic view showing an outline of a culture clay bag according to a first embodiment.
FIG. 2 is a schematic view showing a production process of the culture clay bag.
FIG. 3 is a schematic view showing a production process of the culture clay bag.
FIG. 4 is a perspective view showing a state in which culture soil is put in a culture soil bag.
FIG. 5 is a schematic view showing a culture sandbag in a state where a binding portion is formed.
FIG. 6 is a schematic view showing a culture clay bag in a state where binding parts are similarly bound.
FIG. 7 is a schematic diagram showing a state in which a culture clay bag in which the binding portions are bound is similarly arranged.
FIG. 8 is a cross-sectional view showing a usage state of the culture clay bag.
FIG. 9 is a cross-sectional view showing a usage state of the culture clay bag.
FIG. 10 is a partially enlarged view showing a main part of the culture clay bag of the second embodiment.
FIG. 11 is a schematic view showing a process for producing a culture clay bag.
FIG. 12 is a partially enlarged view showing a main part of another example of a culture clay bag.
[Explanation of symbols]
Reference numeral 10: culture clay bag, 10A: bag body, 12, 40: heat seal portion, 13: ear portion, 14, 14A, 42 ... perforation, 15, 43 ... binding portion as holding means, 20, 50: tube shape Inflation film as a resin film, 41 ... holding means forming part, 60 ... binding member.

Claims (4)

Holding means capable of holding both corners of the opposite end of the bag body on the side opposite to the opening side are integrally provided ,
Ear portions defined by a heat seal portion are provided on both side edges of the bag body, and the holding means is formed by separating from the ear portion side according to at least one of a guide line provided on the ear portion and a perforation. A culture clay bag with a possible binding part . A holding means forming portion defined by a heat seal portion is provided at an end opposite to a side which is an opening side of the bag body, and the holding means is provided with a guide line and a sewing machine provided at the holding means forming portion. The culture clay bag according to claim 1, which is a binding portion that can be formed by separating from the holding means forming portion side according to at least one of the eyes . 2. The culture clay bag according to claim 1, wherein the holding unit is a binding member fixed to both corners of an end opposite to the opening side . 3. Forming a heat-seal portion having a predetermined width or two stripes extending along the width direction of the tube-shaped resin film at a predetermined pitch; Opening in the direction,
  A step of providing at least one of a guide line and a perforation for forming a binding portion between the heat seal portion having the predetermined width or the two heat seal portions;
  A step of cutting the intermediate portion of the heat seal portion having the predetermined width or between the two heat seal portions so as to be along the width direction;
A method for producing a culture clay bag having:

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