JPH0912041A - Standing pouch, and conveying method therefor - Google Patents

Abstract

PURPOSE: To keep the steady state of mouth opening and to make stable conveyance possible for a standing pouch even though the pouch is heavily filled with contents. CONSTITUTION: For a standing pouch that is composed of a bottom sheet 20 constituting a bottom part 2 and two side sheets 30 and 31 constituting a trunk part 3 and made up by sticking the bottom sheet 20 and the two side sheets 30 and 31 so that a filling space S can be formed to the inside of the sheets while a space S' is formed at the lower side of the bottom part 2 when the filling space S is filled with contents, a pair of support body insert parts 4 opened downward while keeping tightness in sealing for the filling space S are provided at the trunk part 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a standing pouch for filling powdery or granular material, liquid material or the like, and a method for conveying the same.

[0002]

2. Description of the Related Art As is well known, a standing pouch is used for a refill container for powdery particles, liquids and the like. Such a standing pouch is composed of a bottom sheet that forms the bottom and two side sheets that form the body, and the bottom sheet and the two side sheets form a filling space for contents therein and It is heat-welded so as to form a space below the bottom surface portion when the contents are filled in the filling space.

By the way, the standing pouch is
It is made of a soft resin sheet, and the bottom sheet is folded in half at the time of manufacture to be manufactured into a flat shape, so when the upper part of the body is opened in the process of filling the contents, the bottom sheet It was difficult to make the standing pouch self-supporting in an empty state because the folding habit of (3) acts in a direction to fold the standing pouch into a flat shape. Therefore, in such a standing pouch, in the process of filling and enclosing the contents thereof, as shown in the technique described in Japanese Patent Laid-Open No. 59-187523, the upper part of the body of the standing pouch is grasped by the claw. And the like, and the standing pouch is sucked by a suction pad and hung and conveyed while being opened, and in the hung state, the contents are filled and the upper end is sealed. Was common.

However, in the method in which the standing pouch is hung and conveyed as described above, the state of the opening is unstable because the standing pouch is conveyed while being adsorbed by the suction pad and opened. Also, if the filling amount of the contents is large, the force of the contents to push the pouch out becomes stronger, or the standing pouch may come off from the gripping tool due to the increase in weight accompanying the filling, so that the contents are filled with a large amount. It was not suitable for standing pouches.

Therefore, an object of the present invention is to provide a novel standing pouch and a new standing pouch which can stably maintain an open state and can be stably conveyed even when the filling amount of contents is large. It is to provide a transportation method.

[0006]

The invention according to claim 1 of the present invention comprises a bottom sheet that constitutes a bottom portion and two side sheets that constitute a body portion, and the bottom sheet and the two side sheets. In the standing pouch, wherein the side sheet forms a filling space for the contents therein and is formed so as to form a space under the bottom face when the contents are filled in the filling space. The present invention achieves the above object by providing a standing pouch that is provided with a pair of support body insertion portions that maintain the sealing property of the filling space and that opens downward.

According to a second aspect of the present invention, in the standing pouch according to the first aspect, a cutting line for separating the support insertion portion is provided in the body portion. It is provided.

The invention according to claim 3 of the present invention is the method for transporting a standing pouch according to claim 1 or 2, wherein a holder provided with a pair of supports standing upright at predetermined intervals is prepared. The present invention provides a method for carrying a standing pouch, characterized in that the support is inserted into the support insertion portion and the standing pouch is carried together with the holder under its open state.

[0009]

In the standing pouch according to the first aspect of the present invention, the body portion is provided with the pair of support body insertion portions which maintain the sealing property of the filling space and open downward. By being supported in the open state by a holder provided with a support body having a predetermined width in the support body insertion portion, it is possible to stably convey the open state.

In the standing pouch according to the second aspect of the present invention, the upper end portion of the body is sealed after filling the contents, and the support insertion portion is provided along the cutting line provided in the body. Can be separated.

In the method for conveying a standing pouch according to a third aspect of the present invention, the supporting body of the holder is inserted into the supporting body insertion portion of the standing pouch, and the standing pouch is opened together with the holder. Since it is conveyed, the open state of the standing pouch can be stably maintained, and even when the filling amount of the contents is large, it can be stably conveyed.

[0012]

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

1 to 3 show a first embodiment of a standing pouch according to the present invention. In the figure, reference numeral 1 indicates a standing pouch.

As shown in FIGS. 1 and 2, the standing pouch 1 has a bottom sheet 2 which constitutes a bottom portion 2.
0 and two side sheets 30 and 31 forming the body portion 3, and the bottom sheet 20 and the side sheets 30 and 31 are
When a filling space S for the contents is formed inside and the filling space S is filled with the contents, a space S ′ is provided below the bottom surface portion 2.
Are provided so as to be bonded together.

The body portion 3 is provided with a pair of support body insertion portions 4 which maintain the hermeticity of the filling space S and open downward.

The standing pouch 1 will be described in more detail. As shown in FIG. 2, the standing pouch 1 sandwiches the peripheral edge portion of the bottom sheet 20 folded into a mountain between the side sheets 30 and 31. ,
With the lower end portions of the bottom sheet 20 and the side sheets 30, 31 aligned, the bottom sheet 20 and the side sheet 30,
Inner surfaces of lower end portions of 31 and the side sheet 3
The inner surfaces of both ends of 0 and 31 are heat-sealed with a predetermined width. Then, the heat-sealed heat-sealed portions 2a, 3a
By giving higher rigidity to the other parts, the standing pouch 1 is prevented from being deformed even when the contents are filled.

Further, as shown in FIGS. 1 and 2, the trunk portion 3 of the standing pouch 1 branches inward at the intermediate portions in the vertical direction of the heat seal portions 3a at both ends thereof, and faces downward. Heat seal part 3
b is provided. The heat-sealing portion 3b extends substantially parallel to the heat-sealing portion 3a below the bent portion, and the bottom sheet 20 and the side sheets 30, 31 that are folded in a mountain fold overlap each other. In
All of these four layers of sheets are integrally heat-sealed. The support insertion portion 4 is formed in the space surrounded by the heat seal portions 3a and 3b. An insertion hole 20a is provided in a portion of the bottom sheet 20 located between the heat seal portions 3a and 3b.
The support can be smoothly inserted into the support insertion portion 4. Further, the bottom sheet 20 is provided with an elongated hole 20b, and by heat-sealing the inner surfaces of the side sheets 30 and 31 through the elongated hole 20 in the heat-sealing portion 3b, the four layers of heat sealing can be achieved. It is sure to be done.

In order to manufacture the standing pouch 1, first, as shown in FIG. 3 (a), the bottom sheet 20 having the insertion holes 20a and the elongated holes 20b at predetermined positions, and the rectangular side sheet 30, 31 is produced. Then
As shown in FIG. 3B, the bottom sheet 20 is mountain-folded in the approximate center thereof to be sandwiched between the side sheets 30 and 31, and the bottom sheet 20 and the side sheets 30 and 31.
The bottom end of the bottom sheet 20 and the side sheets 30, 31, and the side sheet 30,
Both ends of 31 are heat-sealed with a predetermined width. Further, by further providing the heat seal portion 30b, the support body insertion portion 4 is provided.
After that, the preparation of the standing pouch before filling is completed.

Next, the procedure of one embodiment of the method for carrying the standing pouch according to the present invention will be described with reference to FIGS. 4 to 5 based on the procedure in the step of filling and packing the powder particles in the standing pouch 1 according to the present embodiment. This will be described with reference to FIG.

FIG. 4 shows a filling / packing system for filling the standing pouch 1 with the powder or granules, and shows a series of steps from the filling of the standing pouch 1 with the powder or granules to the packaging. It can be done.

First, as shown in FIG. 5, a holder H having a pair of supports P standing up at a predetermined interval is prepared and prepared, and as shown in FIG. 4, a belt conveyor E0 is provided.
It is placed on top of it so that it can move at a predetermined speed. here,
The distance d between the supports P in the holder H is equal to the side sheet 3
For a width W of 0 (see FIG. 3A), d / W = 0.3
˜0.7, preferably d / W = 0.5 to 0.6.

As shown in FIG. 4, the standing pouch 1 is stored in the magazine rack E1 in a folded state.

Next, the standing pouch 1 is taken out from the magazine rack E1 and, as shown in FIGS. 6 (a) and 6 (b), the upper and lower parts of the body portion 3 of the standing pouch 1 folded into a flat shape. The substantially central portion of the support body is sandwiched by the body opening rod 5 having the suction pad 50, and the lower end of the support body insertion portion 4 is provided with the suction pad 60 for opening the support body insertion portion. It is clamped by the rod 6.

Next, as shown in FIGS. 6 (c) and 6 (d), the rod 5 is moved so that the upper end opening of the body portion 3 is opened, and the rod 6 is centered in the width direction of the standing pouch 1. Move in the direction. At the same time, the opening 7 is inserted from the upper end opening of the body 3 of the standing pouch 1, and the holder H (see FIG. 5) is arranged below the support insertion portion 4.

Next, as shown in FIGS. 6E to 6H, compressed air is supplied from the air supply hole 7a of the opening body 7 inserted in the standing pouch 1, and the compressed air is supplied and the rod 5 is supplied. Due to the movement, the body portion 3 of the standing pouch 1 is widely opened downward. And torso 3
The rod 5 is retracted at the same time when the opening of is completed. At the same time, the standing pouch 1 is lowered and the support P is inserted into the support insertion portion 4.

Then, as shown in FIGS. 6 (i) and 6 (j), after the insertion of the support P into the support insertion portion 4 is completed, the opening 7 and the rod 6 are retracted, and the standing pouch 1 is evacuated. The support by the holder H is completed (see FIG. 7).

Next, as shown in FIG. 4, under the opened state, the powdery particles (contents) C are conveyed below the filling machine E2. Then, as shown in FIGS. 8A and 8B, while the body 3 of the standing pouch 1 is supported by the support P of the holder H, the filling of the powder and granules is started, and as shown in FIG. )
And, as shown in (d), the filling is completed when a predetermined amount of the granular material C is filled.

Next, the holder H is attached to the top sealer E3.
8 (e) and (f), the upper end 3c of the body 3 of the standing pouch 1 is heat-sealed with a predetermined width to seal the opening.

Then, with the robot hand E4, as shown in FIG.
As shown in (g), the standing pouch 1 is pulled up and the support P of the holder H is pulled out from the support insertion portion 4 to separate the holder H and the standing pouch 1. Then, as shown in FIG. 4, only the standing pouch 1 is stored in the storage box B, and the filling / packing process is completed. The separated holder H can be repeatedly used by being conveyed again to the magazine rack E1 by the conveyor E0.

As described above, according to the standing pouch 1 and the method of transporting the same of the present embodiment, the open state can be stably maintained. Further, by supporting the holder H in this way, it is not necessary to carry it by hanging as in the conventional case, so that it is possible to carry it stably even when the filling amount of the contents is large.

FIG. 9 shows a second embodiment of the standing pouch according to the present invention. In FIG. 9, reference numeral 1'denotes a standing pouch. In addition,
In FIG. 5, the same parts as those of the standing pouch 1 of the first embodiment are designated by the same reference numerals, and the description thereof will be omitted.

Standing pouch 1'of the second embodiment
In the above, the cutting line L is formed so that the seal width of the heat seal portion 3b is wide and the support insertion portion 4 can be separated from the heat seal portion 3b.

In the standing pouch 1'of the present embodiment, the steps up to filling of the powder and granules are carried out in the same manner as in the above-mentioned standing pouch 1, and then, as shown in FIG.
As shown in (c), with the support P of the holder H inserted into the support insertion portion 4, the standing pouch 1 ′ is moved forward to move the cutting line L.
By separating the support insertion portion 4 along the
It can be slim in appearance (Fig. 10).
(E) and (f) and FIG. 11).

12 and 13 show the third embodiment of the standing pouch according to the present invention. In these drawings, reference numeral 1 "indicates a standing pouch. In these drawings, the same parts as those of the standing pouch 1 of the first embodiment are designated by the same reference numerals, and the description thereof will be omitted. To do.

In the standing pouch 1 "of the third embodiment, the bottom sheet 20 and the side sheets 30 and 31 are heat-sealed so that the bottom sheet 20 has a circular non-adhesive portion 20c at the center thereof. At the same time, the heat seal portion 3b is formed such that the support body insertion portion 4 is tapered upward, and the internal filling space S is formed in a truncated cone shape that expands upward. By
It is easier to fill the contents.

In the standing pouch of the present invention,
The bottom sheet forming the bottom portion and the side sheet forming the body portion may be made of known materials conventionally used for standing pouches. Among these, PET / CPP (crystallized polypropylene) Or
PET / ONY (oriented nylon) / L, L-DPE
And the like are preferably used.

In the standing pouch of the present invention, the height X of the support insertion portion provided on the body is X / Y = 0.0.2 to 0.
8, preferably 0.4 to 0.6.

The contents to be filled in the standing pouch of the present invention are not particularly limited, but for example,
Powder detergent, powders such as bleach, liquid detergent, kitchen detergent,
Liquid materials such as bleaching agents and softening agents can be mentioned.

The standing pouch according to the present invention is not limited to the above embodiment, and its size, shape and the like can be appropriately changed without departing from the object of the present invention.

For example, in the standing pouch of each of the above-described embodiments, the upper end opening of the body portion 3 is simply sealed after filling the contents, but like the standing pouch 10 of the embodiment shown in FIG. In the upper part of the body 3,
The fastener 3d may be provided so that the sealability can be ensured even when the fastener 3d is not used up once after opening.

Further, in the standing pouch of the present invention, it goes without saying that an opening means such as a notch can be provided on the side portion of the upper end portion of the body portion so that the opening can be easily performed.

Needless to say, the method of transporting the standing pouch according to the present invention is not limited to the transport of the standing pouch 1 of the above embodiment.

[0043]

According to the standing pouch and the method of conveying the same according to the present invention, the following effects can be obtained. According to the standing pouch of claim 1,
The open state can be stably maintained, and the contents can be stably transported even when the filling amount of the contents is large.

According to the standing pouch of the second aspect, in addition to the effect of the standing pouch of the first aspect, the aesthetic appearance can be improved.

According to the method of carrying the standing pouch of the third aspect, the standing pouch of the first or second aspect can be stably carried while maintaining the open state.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a standing pouch according to the present invention.

FIG. 2 is a front sectional view of the standing pouch of the first embodiment.

FIG. 3 is a schematic view showing a manufacturing process of the standing pouch of the first embodiment, (a) is a perspective view showing the appearance of the bottom sheet and the side sheet, and (b) is a bottom sheet folded into a mountain. FIG. 3 is a perspective view showing a state in which it is sandwiched between side sheets.

[Fig. 4] Filling of the standing pouch of the first embodiment
It is a perspective view which shows the outline of a packing system.

FIG. 5: Supporting of the standing pouch of the first embodiment
It is a perspective view which shows the holder used for conveyance.

FIG. 6 is an opening of the standing pouch of the first embodiment.
It is a schematic diagram showing a supporting process, (a) is a schematic side view showing the state where a standing pouch was pinched, (b) is (a).
FIG. 6 (c) is a schematic plan view of the standing pouch with the body of the standing pouch open, and FIG. 6 (d) is a schematic plan view of FIG. ) Is a schematic side view showing a state where compressed air is being supplied into the standing pouch, (f) is a schematic plan view excluding the opening body in (e), and (g) is a state in which a support is inserted. (H) is a schematic plan view without the opening body in (g), (i) is a schematic side view showing a state in which the support is completely inserted, and (j) is an opening body in (i). It is a schematic plan view except.

FIG. 7 is a perspective view showing a state in which the standing pouch of the first embodiment is supported by a holder.

[Fig. 8] Filling of the standing pouch of the first embodiment
It is the schematic which shows the sealing process, (a) is a schematic front view which shows the state which started the filling of the granular material, (b) is the schematic plan view of (a), (c) is the granular material. A schematic front view showing a state where the filling is completed, (d) is a schematic plan view of (c), (e) is a schematic front view showing a state in which the upper end of the body is sealed, and (f) is (e). And (g) is a schematic front view showing a state in which the standing pouch and the holder are separated.

FIG. 9 is a perspective view showing a second embodiment of a standing pouch according to the present invention.

FIG. 10 is a view showing a step of separating the support body insertion portion in the standing pouch of the second embodiment, (a) is a schematic front view showing a state where filling of contents is completed, and (b) is (a). ) Is a schematic plan view of the standing pouch in FIG.
(C) is a front view showing a state in which the standing pouch is moved forward to separate the support insertion portion, and (d) is (c).
Is a schematic plan view of (e), a front view showing a standing pouch in which a support insertion portion is separated, and (f) is a schematic plan view of (e).

FIG. 11 is a perspective view showing a state in which a support insertion portion is separated in the standing pouch of the second embodiment.

FIG. 12 is a perspective view showing a third embodiment of a standing pouch according to the present invention.

FIG. 13 is a front sectional view of a standing pouch of the third embodiment.

FIG. 14 is a perspective view showing another embodiment of the standing pouch according to the present invention.

[Explanation of symbols]

 1, 1 ', 1 ", 10 Standing pouch 2 Bottom part 20 Bottom sheet 3 Body part 30, 31 Side sheet C Granules (contents) H Holder L Cutting line P Support S S Filling space of contents S'space

Claims (3)

[Claims] 1. A bottom sheet constituting a bottom portion and two side sheets constituting a body portion, wherein the bottom sheet and the two side sheets form a filling space for contents therein and A standing pouch adhered so as to form a space at a lower portion of the bottom surface portion when the contents are filled in the filling space, the standing pouch being opened in the body portion while maintaining the sealing property of the filling space. A standing pouch, which is provided with a pair of support insertion portions. 2. The standing pouch according to claim 1, wherein the body is provided with a cutting line for separating the support insertion portion. 3. The method of transporting a standing pouch according to claim 1, wherein a holder including a pair of supports standing upright at a predetermined interval is prepared, and the support is inserted into the support insertion portion. And a method of transporting the standing pouch, wherein the standing pouch is transported together with the holder under the opened state.