JP2002274549A - Flexible packaging bag for liquid and fluid - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a three- or four-side-sealed flexible packaging bag for a liquid and fluid, which is convenient to use wherein a pour-out port which is opened by tearing the vicinity of an upper rim seal can be arbitrarily selected by a user. SOLUTION: The three- or four-side-sealed flexible packaging bag 1 for a liquid and fluid is formed with a wide unsealed portion 18b and a narrow unsealed portion 18a on both sides of the upper rim seal 16 so that they communicate with an internal unsealed portion 18. An indicate-to-tear line 20 is provided in parallel with the upper rim seal 16 to cross the wide unsealed portion 18b and the narrow unsealed portion 18a. Notches V are provided at ends of right and left side rim seals to be positioned on the line.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid / fluid soft packaging bag for storing seasonings, toiletries and the like, and tearing the upper edge of the bag near the upper edge to serve as a spout. The present invention relates to a liquid / fluid soft packaging bag having a spout that is easy to use.

[0002]

2. Description of the Related Art Conventionally, soft packaging bags for liquids and fluids (potions) which contain seasonings such as soy sauce, sauce, kneaded wasabi and spices, are opened by tearing the upper edge and poured into foods and the like. Stores foods such as packs, curries, porridges, noodle soups, as well as toiletries such as liquid detergents and shampoos. 2. Description of the Related Art Soft packaging bags for liquids and fluids (standing pouches, etc.) that are used by being poured into another container or the like from an outlet are known, and are widely used not only in the food field but also in other fields.

As a spout at the upper edge of the above-mentioned conventional soft packaging bag for liquid / fluid, for example, as shown in the front view of FIG. There is a general form in which a tear specification line (20) is provided, and a notch (V) is provided in the left and right edge seal portions (12) at the left and right ends of the tear specification line (20).

Further, for example, as shown in the front view of FIG.
From the notch (V) at the upper part of the left edge seal part (12) toward the upper edge seal part (16), a tear designation line (20) is provided so as to cut the corner of the non-seal part (18). Soft packaging bag for liquid / fluid in form of outlet (1)
There is.

Further, as shown in the front view of FIG. 9, for example, an elongated non-seal portion (18c) is provided at a predetermined position of the upper edge seal portion (16) in communication with the internal non-seal portion (18). The tearing designated line (2) is drawn within the upper edge sealing portion (16) and across the elongated non-sealing portion (18c).
0) to form a narrow spout so as to form a soft packaging bag for liquids and fluids (1).
0) is indicated by printing or the like, using a tearable film in that direction, or instructing by printing or the like, and cutting the outermost film with a laser or the like so that it can be easily torn. Met.

[0006]

However, in the above-mentioned conventional soft packaging bag for liquid / fluid, the soft packaging bag (1) for liquid / fluid as shown in FIG. In addition, a large spout is used to pour at once, and in a soft packaging bag for liquids and fluids (1) as shown in FIGS. 8 and 9, the small spout is used so that it is poured little by little. For the user, the choice of the size of the spout depends only on the shape of the spout of the soft packaging bag for liquids and fluids, which is inconvenient. Therefore, for example, when pouring into a large container, pour at once from a large spout, and when pouring into a small container or a container with a small mouth, pour little by little from a small spout. Packaging bags were desired.

The present invention has been made to solve the problems and demands of the prior art, and it is an object of the present invention to make the upper edge, the right and left side edges, or the bottom edge of the flexible film three sides. In the liquid / fluid soft packaging bag in which the four sides are sealed, the form of the spout that opens by tearing the vicinity of the upper edge seal portion can be freely selected depending on the container or the like into which the user is poured. An object of the present invention is to provide an easy-to-use liquid / fluid soft packaging bag.

[0008]

In order to achieve the above object in the present invention, first, according to the first aspect of the present invention, the upper edge, the left and right side edges, or the bottom edge of the flexible film are set to the three edges. A flexible packaging bag for storing a sealed liquid or fluid on four sides including a wide non-seal portion and a narrow non-seal portion on both sides of the upper edge seal portion. A liquid / fluid soft packaging bag characterized by being provided so as to communicate with each other.

According to the first aspect of the present invention, a wide non-seal portion and a narrow non-seal portion are provided on both sides of the upper edge seal portion so as to communicate with the internal non-seal portion. The user can choose whether to pour at once as a large spout or pour little by little as a small spout, depending on the container to be poured, etc. can do.

In the invention of claim 2, a tear designation line is provided in parallel with the upper edge seal portion so as to cross the wide non-seal portion and the narrow non-seal portion. 3. A soft packaging bag for liquids and fluids according to claim 1, wherein notches are provided at the left and right side edge seal portions so as to be located at the positions indicated by.

According to the second aspect of the present invention, a tear designation line is provided on the upper edge seal portion so as to cross the wide non-seal portion and the narrow width non-seal portion, and the tear designation line is provided on the tear designation line. A soft packaging bag for liquids and fluids that facilitates tearing and facilitates selection between a wide spout and a narrow spout by providing notches at the left and right side edge seal portions so as to be positioned. it can.

[0012]

Embodiments of the present invention will be described below. As shown in the front view of FIG. 1, the soft packaging bag for liquid / fluid of the present invention has, for example, an upper edge seal portion (16), left and right side edge seal portions (12), and a bottom edge seal portion of a flexible film. In the liquid / fluid soft packaging bag (1) comprising the portion (14), a narrow non-seal portion (18a) and a wide non-seal portion (18b) are provided on the left and right sides of the upper edge seal portion (12). A liquid provided to communicate with the non-sealing portion (18);
It is a soft packaging bag (1) for a fluid.

Further, in the present invention, as shown in the front view of FIG. 1, for example, the upper edge seal portion (16) is narrowed in parallel with its upper side (16a) and wide wide non-seal portion (18b). A tear designation line (20) is provided by printing so as to cross the width non-seal portion (18a), and the tear designation line (2) is provided.
0) Soft packaging bag for liquid / fluid (1) provided with a notch (V) at the end of the left and right side edge seal portion (12) so as to be located above
It is.

The tear designating line (20) is displayed by printing or the like, and a film having a tear property is used in the direction, or an instruction is given by printing or the like, and the outermost film is cut by a laser or the like. Or the like to make the tearing direction and the tearing easy. Further, cutting may be performed with scissors or the like according to the printed tear designation line (20). Therefore, the opening of the liquid / fluid soft packaging bag (1) shown in FIG. Upper edge seal portion (16) so as to cross the portion (18a)
As shown in the front view of FIG. 2, a narrow spout (22) is formed, and the contents are poured from the narrow spout (22). At this time, the torn corner portion (22a) remains attached to the upper edge seal portion (16), and the corner portion (22a) is in the way and is difficult to pour. Becomes

As shown in the front view of FIG. 3, for example, the form of the tear designating line (20) is a left and right side edge seal portion (1).
2) The tear designation line (2) extending horizontally from the notch (V)
0) may be formed halfway in the upper edge seal portion (16), and may be provided from the tip to the upper side (16a) of the upper edge seal portion (16). The tear designation line (2
As 0), a film in which a film of the outermost layer is cut with a laser or the like so as to be easy to be torn and the direction of tearing is preferable. The tear designation line (2
0), the opening of the liquid / fluid soft packaging bag (1) has a narrow width along the tear designation line (20) using, for example, the notch (V) of the left edge seal portion (12) as a clue. When tearing across the unsealed portion (18a), a narrow spout (22) is formed, as shown in the front view of FIG. At this time, the torn corner (22a)
Is cut off from the upper edge sealing portion (16), so that the liquid / fluid soft packaging bag (1) can be easily poured.

As described above, the wide non-seal portion (18b) and the narrow seal portion (18a) are provided on both sides of the upper edge seal portion (16).
And tear the designated lines (2
By making the liquid / fluid soft packaging bag (1) in the form provided with 0), the user can use a wide spout according to the contents to be poured (transferred) or the capacity thereof. It is possible to select whether to use a narrow outlet (22),
The flexible packaging bag (1) for liquids and fluids can be easily used.

Further, from the bag manufacturer's point of view, a soft packaging bag for liquid / fluid (1) provided with a wide non-seal portion (18b) and a narrow seal portion (18a) as shown in FIG. 1, for example.
For example, when the content is a viscous fluid such as curry or porridge, the designated line (2) is torn only at the wide non-seal portion (18b) to make it easy to pour at once from the wide spout.
0), and the contents of the bag are printed on the surface of the bag. If the contents are liquid detergent or shampoo, the narrow non-seal portion (18a) is used to facilitate transfer to a small-mouthed container. ), A single sealing die, a punching die, etc., so that a tear-designating line (20) is applied only to the surface of the bag, and the surface of the bag is printed as a soft packaging bag for liquids and fluids (1). It is also possible to obtain a flexible packaging bag (1) for liquids / fluids with high production efficiency (having a production cost advantage), in which a bag can be produced and only printing can be changed according to the contents. .

In the above case, a four-sided sealed bag is used as shown in FIG.
Often a three-sided sealed bag with a bent bottom,
On the other hand, in the case of liquid foods such as curry and porridge, liquid detergents, and liquid toiletries such as shampoo, as shown in the perspective view of FIG. 5, a bottom plate (17) is sealed to a bottom edge seal portion (14) (self-standing). Often, it is a soft-packing bag for liquids and fluids of the type (1).

The material of the flexible film constituting the soft packaging bag (1) for liquids and fluids will be described below. First, in the case of a small bag called a potion pack for storing seasonings or spices, for example, a single layer of heat-sealable polyethylene or polypropylene film may be used. In some cases.

In the case of a large three-sided or four-sided sealed bag or a standing type bag, for example, as shown in the side sectional view of FIG. A sealant layer (50) made of a low-density polyethylene and an unstretched polypropylene film is provided, and although it depends on the contents, an aluminum foil or a polyethylene terephthalate film is used for the intermediate layer.
A barrier layer (52) made of a ceramic vapor-deposited film on which an inorganic oxide such as l ₂ O ₃ or SiO ₂ is vapor-deposited is provided, and the outermost layer is used as a printing base layer (54) for increasing surface strength or performing printing. It is common to laminate polyethylene terephthalate, nylon, polyethylene film and the like.

[0021]

As described above, the present invention has the following effects. That is, in a flexible packaging bag for storing a liquid or a fluid whose upper edge, left and right side edges, or four sides including the bottom edge are sealed, the flexible film is on both sides of the upper edge seal portion. By providing a wide non-seal portion and a narrow non-seal portion to communicate with the internal non-seal portion, the user can use a large spout or a small spout depending on the container to be poured. It is possible to select whether to use a spout or not, and it is possible to provide an easy-to-use soft packaging bag for liquids and fluids.

Further, a tear designation line is provided in the upper edge seal portion so as to cross the wide non-seal portion and the narrow width non-seal portion, and left and right side edge seals are positioned on the tear designation line. By providing a notch at the end, a soft packaging bag for liquids and fluids can be provided which facilitates tearing and facilitates tearing to form a wide or narrow spout.

Furthermore, for the manufacturer, the manufacturing efficiency is such that it is not necessary to make a bag with a single sealing die, a punching die or the like, and to change the shape of the bag depending on the contents, but only to change the printing according to the contents. Good (with cost merit)
The liquid / fluid soft packaging bag (1) can be provided.

Accordingly, the present invention provides a soft packaging bag for liquids and fluids that has a function of storing seasonings, toiletries, etc., and tearing it near the upper edge to serve as a spout, which is easy to use for the user and can be manufactured. For the user, it exhibits excellent practical effects as a flexible packaging bag for liquids and fluids with good production efficiency.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a front view of an embodiment of a soft packaging bag for liquid / fluid according to the present invention.

FIG. 2 is an explanatory view showing an open embodiment of the liquid / fluid soft packaging bag of the present invention shown in FIG. 1 in a front view.

FIG. 3 is an explanatory view showing a front view of another embodiment of the soft packaging bag for liquid / fluid according to the present invention.

FIG. 4 is an explanatory view showing a front view of another embodiment in which the soft packaging bag for liquid and fluid of the present invention shown in FIG. 3 is opened.

FIG. 5 is a perspective view for explaining another embodiment of the soft packaging bag for liquid / fluid according to the present invention.

FIG. 6 is an explanatory diagram showing an embodiment of a film constituting the flexible packaging bag for liquid / fluid of the present invention in a side cross section.

FIG. 7 is an explanatory view showing an example of a conventional soft packaging bag for liquid / fluid in a front view.

FIG. 8 is an explanatory view showing another example of a conventional soft packaging bag for liquid / fluid in a front view.

FIG. 9 is an explanatory view showing another example of a conventional soft packaging bag for liquid / fluid in a front view.

[Explanation of symbols]

 1) Soft packaging bag for liquid and fluid 12) Left and right side edge seals 14) Bottom edge seal 16) Upper edge seal 16a {Top edge of upper edge seal 17} Bottom plate 18} Inside Non-seal part 18a {narrow-width non-seal part 18b} wide-width non-seal part 18c {slender non-seal part 20} tear designation line 22 {narrow spout 22a} torn corner 50} Sealant layer 52 ‥‥ Barrier layer 54 ‥‥ Printing substrate layer V ‥‥ Notch

Claims (2)

[Claims] 1. A flexible packaging bag for storing a liquid or fluid whose upper edge, left and right side edges, or four sides including a bottom edge are sealed, of a flexible film. A soft packaging bag for liquid / fluid, wherein a wide non-seal portion and a narrow non-seal portion are provided on both sides of an edge seal portion so as to communicate with an internal non-seal portion. 2. A tear-designating line is provided in parallel with the upper edge seal portion so as to cross the wide non-seal portion and the narrow non-seal portion, and the left and right sides are positioned on the tear-designating line. The soft packaging bag for liquids and fluids according to claim 1, wherein a notch is provided at an end of the edge seal portion.