JP2000272634A - Indefinitely-shaped container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce production costs while improving a capacity-wise efficiency and to ensure formability and capability of self-standing by a method wherein gussets are formed at the upper and lower faces of a container, a flat spout is formed by extending a part of a quadruplex film with the upper gusset being tucked in and corners of the container and both sides of the spout are heat sealed fourfold. SOLUTION: A indefinitely-shaped container 1 is formed into a bag shape with a container upper plate 2 having a gusset 15 and a container side plate 3 having a gusset 16 separately formed by cutting and heat sealed together afterward. A double spout 12 is formed at the upper part of the container 1 by extending the container upper plate 2 and the container side plate 3. After filling of contents, the spout 12 is sealed up by heat sealing an enclosing seal 13. Then, a bottom of the container 1 and the gusset 16 are formed together by heat sealed diagonal seals 22, and capability of self standing is ensured therewith for the container 1 together with a heat-sealed reinforcement rib 19 and fourfold adhesive parts on corners at both sides of the bottom. Furthermore, a shape is ensured for the container 1 by vertical seals 17 and 18 and upper seals 21 of the container side plate 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an irregularly shaped container with a spout for filling therein a liquid beverage such as soft drink or juice, or a detergent.

[0002]

2. Description of the Related Art An irregularly shaped container with a spout is filled with a liquid beverage such as soft drink or juice, a detergent, or the like, and the filling port is sealed with a heat seal. When the liquid is taken out, the container is sealed. It is cut out under the neck of the spout and removed, and is usually used as a disposable container.

[0003] All of these types of irregular-shaped containers are heat-sealed in a bag shape using a flexible film as a material, and a spout is provided at an appropriate position. After filling a liquid from the spout, heat sealing is carried out. When taking out the contents of the liquid, it is an amorphous container configured to cut under the neck of the spout,
Many self-standing standing pouches are provided with gussets only on the lower surface. In recent years, containers of this type have been filled with various types of liquids and are on display at stores.

Another example of a conventional container will be described. The container disclosed in Japanese Utility Model Laid-Open Publication No. 62-80838 is shown in FIG.
As shown in FIG. 7, a gusset bag 101 whose inner surface is made of a film having a heat-adhesive property is provided with a spout 103 obliquely at one corner 102 of a folded fold. Japanese Unexamined Patent Publication No. 87033 discloses a gusset bag in which the outer ends of the gusset on the side not including the spout are integrally fixed.

In the case of the container disclosed in Japanese Patent Application Laid-Open No. 6-329164, as shown in FIG. It is configured by joining two sheets.

[0006]

A conventional self-supporting amorphous container (standing pouch) filled with beverages, detergents and the like, which is sold independently and lined up in a store, has a gusset only on the lower surface and has a triangular pyramid shape. Due to the shape, the container having this configuration has a small filling capacity per area of the sheet, which is a constituent material, that is, has a low volumetric efficiency.

The aforementioned Japanese Utility Model Application Laid-Open No. Sho 62-80838,
Japanese Unexamined Utility Model Publication No. 62-87033 discloses a large-capacity gusset bag, which has a good volumetric efficiency. The shape of the container collapses, losing independence,
There is a risk of leakage.

Further, in the apparatus disclosed in Japanese Patent Application Laid-Open No. 6-329164, three or four sheets are laminated and formed into a bag shape, and the outer peripheral portion is cut into a predetermined shape. As the length increases, the cost of the heat bonding operation increases, and the yield of the material is deteriorated.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and the manufacturing cost is reduced, the volumetric efficiency is high, the shape of the container is easily formed, and the container is self-supporting. An object of the present invention is to provide an irregular-shaped container with a stopper that is less dangerous, easy to handle and easy to sell.

[0010]

Means for Solving the Problems (1) The present invention has been made to solve the above-mentioned problems, and the invention of claim 1 is to perform a heat sealing process on a single film or a laminated film as appropriate. It is formed in a bag-like container provided with a spout at a position, and the container is filled and sealed with a liquid, and when taking out the liquid therein, the neck below the spout is cut open. In the fixed container, gussets are provided on the upper and lower surfaces of the container, and a part of the quadruple film in which the upper gusset is folded is formed to form a flat spout, and the corner of the container and the spout of the spout are formed. The present invention provides an irregular-shaped container characterized in that both sides are quadruple heat sealed.

With this configuration, the irregular-shaped container of the present invention has good volumetric efficiency of the container with respect to the same film area because of the gussets provided up and down, and the reinforcement provided to the heat seal portion of the upper gusset and the lower gusset. The shape of the container is maintained by the ribs, and the container has autonomy. In addition, since two sets of the spouts are provided, the portion has rigidity.

(2) According to a second aspect of the present invention, a single film or a laminated film is heat-sealed to form a bag-like container provided with a spout at an appropriate position, and the container is filled with liquid. In an irregularly shaped container configured to be cut and opened under the neck of the spout when sealing and taking out the liquid therein, gussets are provided on the upper and lower surfaces of the container, and cut out integrally from the blown film. It is an object of the present invention to provide an irregular-shaped container characterized in that a spout is formed at an appropriate height position on a side that is not interfered with by the gusset portion, and four corners of the container are sealed with quadruple heat.

With this configuration, the irregular-shaped container according to the present invention has good volumetric efficiency with respect to the same film area because of the gussets provided above and below, as in the case of the container of the first aspect. By the reinforcing ribs provided on the gusset, the shape of the container is maintained at the time of filling, and the container has autonomy.

Further, since the container is formed only by cutting the blown film material and heat sealing, the efficiency of use of the material is high, the cut length is short, the seal portion is reduced, and the cost of the heat welding operation is reduced. Can be reduced.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic perspective view of an irregular-shaped container according to a first embodiment of the present invention, FIG. 2 is a front view of the irregular-shaped container of the present embodiment, and FIG. 3 constitutes the irregular-shaped container of the present embodiment. FIG. 4 is a perspective view showing a shape of the film material before bonding, and FIG. 4 is a plan view of a spout taken along arrow A in FIG.

As shown in FIGS. 1 and 2, the irregular-shaped container 1 of the present embodiment is formed of a heat-sealable single film or a laminated film. In this case, the laminated film is a laminated film of a constant width manufactured while being continuously fed, for example, from the front side, a transparent resin printable on the surface, an aluminum film for improving the appearance and increasing the rigidity of the container. It is made by laminating foils, films with high tensile strength, and films with good heat sealing properties and laminating them.

As shown in FIG. 3, the container 1 is formed by cutting such a film into a container upper plate 2 having a gusset 15 and a container side plate 3 having a gusset 16. It is a shape, and the perimeter is cut as needed to adjust the shape.

A double spout 12 formed by extending the container upper plate 2 and the container side plate 3 is provided at the upper part of the container. Before filling the liquid, the tip end of the spout 12 is left unsealed and filled with a beverage, a detergent, etc., and after filling, the sealing seal 13 is heat-sealed to be sealed. FIG. 4 shows a state in which one of the double spouts 12 is opened to fill the liquid and viewed from above, but the other port 12 can be used to release air from the container 1 during filling.

It should be noted that a suitable sealing position of the container 1 may be left open without sealing a part, and after filling the liquid from here, this part may be sealed by heat sealing. In this case, the sealing 13 of the spout 12 is heat-sealed at the same time as the other heat seals.

The oblique seal 22, which heat seals the gusset 16 of the container side plate 3 at approximately 45 degrees, together with the gusset 16
The bottom of the container is formed, and the self-supporting nature of the container is maintained together with the heat-sealed reinforcing ribs 19 and the quadruple bonding portions 25 at the corners at both ends of the bottom. Further, the vertical seal portions 17 and 18 of the container side plate 3 are provided.
The upper seal portion 21 is effective for maintaining the shape after filling the container 1.

Further, in order to adjust the shape after filling the container 1 with the liquid, the corners of the container 1 (quadruple adhesive portions 25 and 2) are formed.
5, 26) and both sides of the spout 12 (quadruple adhesive portions 27, 2).
7) is further bonded.

When the filling liquid in the container 1 is taken out, the lower cut line 14 of the sealing seal 13 of the spout 12 is cut to open the spout passage of the spout 12.

As described above, in the irregular-shaped container 1 with the spout according to the present embodiment, the gussets 15 and 16 are provided above and below, and the filling capacity per area of the film as a constituent material is large. Good volumetric efficiency. Further, gussets 15 and 16 are provided above and below the container 1, and a reinforcing rib 19 is provided on an outer bent edge of the lower gusset 16, and the container has a 45-degree diagonal seal 22. After filling the beverage or detergent into the irregular-shaped container 1 with a spout, it can be sold upright at stores.

Further, since the double spout 12 is rigid, it has a natural closing force even when the spout is cut and the spout path is opened, so that the spout remains in the container 1 even when the container 1 falls down. Liquid can be retained without leaking.

FIG. 5 is a schematic perspective view of an irregular-shaped container according to a second embodiment of the present invention, FIG. 6 is a front view of the irregular-shaped container of the present embodiment, and FIG. 7 is an irregular-shaped container of the present embodiment. FIG. 3 is a perspective view showing a shape of a film material constituting the pre-heat sealing process.

In the second embodiment, the upward double spout in the first embodiment is provided horizontally at a position off the gusset, and the other shapes are the same as those of the first embodiment. It has a close shape.

As shown in FIGS. 5 to 7, the irregular-shaped container 31 according to the present embodiment has a heat-sealable single-film or laminated-film blown film similar to that of the first embodiment. That is, a tube forming film,
It is cut out and formed integrally from 30.

As shown in FIG. 7, the container 31 is provided with the gussets 35 and 36 as shown in FIG.
Is formed by cutting and providing a protruding portion serving as a spout 32, and heat-sealing to form a bag. If necessary, the periphery is cut to adjust the shape.

A spout 32 is formed horizontally at a position off the gusset 35 at the top of the container 3, and the tip of the spout 32 is left unsealed before filling with a liquid, from which the beverage, detergent, etc. After filling, the sealing seal 41 is heat-sealed to be sealed.

It is to be noted that a suitable sealing position of the container 31 is opened without sealing, and after filling the liquid from there,
This part may be sealed by heat sealing. in this case,
The sealing seal 41 of the spout 32 is heat-sealed at the same time as the other heat seals.

The oblique seals 39, 39 which heat seal the lower gusset 36 of the container 31 at approximately 45 degrees form the bottom of the container 31 together with the gusset 36, and the heat-sealed reinforcing ribs 34
In addition, the container 31 is kept independent. Container 3
The first vertical seal portions 37, 38 and the heat seal reinforcing ribs 33, 33 of the upper gusset 35 are effective for maintaining the shape after filling the container 31.

Further, in order to adjust the shape after filling the container 31 with the liquid, the quadruple bonding portions 4 at the respective corners of the container 31 are used.
2, 42, 43 and 43 are further adhered.

When the filling liquid in the container 31 is taken out, the cut line 44 below the sealing seal 41 of the spout 32 is cut to open the spout passage of the spout 32.

As described above, in the irregular-shaped container 31 with a spout according to the present embodiment, the gussets 35 and 36 are provided above and below, and the filling capacity per area of the film as a constituent material is large. Good volumetric efficiency. In addition, since the blown film 30 is formed by being cut out integrally using the material, the utilization efficiency of the material is high, the length of the bonded portion and the cut portion is short, the area of the heat seal is small, and the manufacturing cost can be reduced. it can.

The upper and lower gussets 35, 3 of the container 31
6. Reinforcing ribs 3 on the outer bent edges on both sides of the gussets 35, 36
Since the container 31 has the diagonal seals of 3, 34 and 45 degrees, the container 31 is self-supporting. After filling the irregular-shaped container 31 with a spout with beverages, detergents, etc., it can be sold upright at stores.

[0036]

(1) As described above, according to the first aspect of the present invention,
When an amorphous container is formed into a bag-like container provided with a spout at an appropriate position by heat sealing a single film or a laminated film, filling and sealing the liquid in the container, and taking out the contents of the liquid In an irregular-shaped container configured to be opened by cutting under the neck of the spout, gussets are provided on upper and lower surfaces of the container, and a part of a quadruple film in which the upper gusset remains folded is stretched. A flat spout is formed, and the corners of the container and both sides of the spout are configured to be quadruple heat sealed, so that the volume efficiency of the container is good for the same film area, and the shape of the container is It is held, self-supporting, and easy to sell with full-fledged products on display at stores. Further, the spout has rigidity, so that even when the container falls down, leakage of the liquid inside the container can be suppressed.

(2) According to the second aspect of the present invention, the irregular-shaped container is formed into a bag-like container provided with a spout at an appropriate position by heat sealing a single film or a laminated film. When the container is filled with liquid and sealed, and the liquid inside is taken out, in an irregular-shaped container configured to be cut and opened under the neck of the spout, the container is cut out integrally from the inflation film, and Gusset on the bottom,
A spout is formed at an appropriate height position on the side that is not interfered with by the gusset portion, and the four corners of the container are configured to be quadruple heat sealed, so that the volume efficiency of the container with respect to the same film area is good, Also, the shape of the container is maintained when filling,
It is self-sufficient and easy to sell with full-fledged products on display at stores.

Further, since the container is formed by being integrally cut out of the blown film material, the use efficiency of the material is high, the cut length is short, the number of seal portions is reduced, and the cost of the heat welding operation is reduced. As a result, the yield of the material is good, and as a result, the manufacturing cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of an irregular-shaped container according to a first embodiment of the present invention.

FIG. 2 is a front view of the irregular-shaped container according to the first embodiment.

FIG. 3 is a perspective view showing a shape of a film material constituting the irregular-shaped container according to the first embodiment before bonding.

FIG. 4 is a plan view of the spout as viewed from arrow A in FIG. 2;

FIG. 5 is a schematic perspective view of an irregular-shaped container according to a second embodiment of the present invention.

FIG. 6 is a front view of the irregular-shaped container according to the second embodiment.

FIG. 7 is a perspective view showing a shape of a film material constituting an irregular-shaped container according to a second embodiment before bonding.

FIG. 8 is an explanatory view of a conventional example of an irregular-shaped container.

FIG. 9 is an explanatory view of another conventional example of an amorphous container.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 irregular-shaped container 2 container upper plate 3 container side plate 12 spout 13 sealing seal 15, 16 gusset 17, 18 vertical seal portion 19 reinforcing rib 21 upper seal portion 22 diagonal seal 25, 26, 27 quadruple bonding portion 30 blown film 31 Irregular shaped container 32 Spout 33,34 Reinforcing rib 35,36 Gusset 37,38 Vertical seal part 39 Oblique seal 41 Enclosure seal 42,43 Quadruple adhesive part 44 Cut line

Continued on front page F term (reference) 3E064 AB23 BA22 BC18 FA04 GA04 HM01 HM03 HS05 3E067 AA03 AB26 AB99 BB25A CA24 EA06 EB01 EB22 EC25 EE09 EE39 EE40

Claims (2)

[Claims] 1. When a single film or a laminated film is heat-sealed to form a bag-like container provided with a spout at an appropriate position, and the container is filled with a liquid and sealed, and when the contents liquid is taken out, In an irregular-shaped container configured to be opened by cutting under the neck of the spout, gussets are provided on upper and lower surfaces of the container, and a part of a quadruple film in which the upper gusset remains folded is stretched. An irregular-shaped container, wherein a flat-shaped spout is formed by heating, and a corner of the container and both sides of the spout are quadruple heat sealed. 2. When a single film or a laminated film is heat-sealed and formed into a bag-like container provided with a spout at an appropriate position, the container is filled with a liquid and sealed, and when the contents liquid is taken out, In an irregular-shaped container configured to cut and open the lower part of the neck of the spout, cut out integrally from the inflation film, provide gussets on the upper and lower surfaces of the container, and set an appropriate height of a side that does not interfere with the gusset part. An irregular-shaped container, wherein a spout is formed at a position, and four corners of the container are sealed with quadruple heat.