JP2005271963A - Refill bag with spout - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a refilling bag with a spout which is opened by cutting the tip of a nozzle and capable of easily squeeze-spouting a liquid content even when the liquid content has high viscosity, and easily set to a mouth of a container to be refilled when the content is refilled. <P>SOLUTION: In the refilling bag 1 with the spout which is sealed by both side edge seal parts 12 and an upper edge seal part 16 of face and back square side sheets 10 and 11, has a cut indication line 20 on a tip on one end of the upper edge seal part 16 in the side edge direction orthogonal to the end, has a nozzle 50 to spout a content by cutting a spout at the cut indication line 20a, and has a bottom sheet 18 sealed by the lower edge of the side sheet 10, a fold-in part 10a of a predetermined width W is provided parallel to the upper edge of the side sheet and substantially in the center of the projecting direction of the nozzle 50 on the face side sheet 10 among the face and back side sheets 10 and 11. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a packaging bag for storing liquid detergent, shampoo, etc., and more particularly to a refilling packaging bag with a spout for refilling the contents into another container, and to the shape of the spout.

  In recent years, due to environmental issues related to the increase in waste, the peripheral edges of two or more laminated packaging materials based on plastic film are thermally bonded to save resources and reduce waste, and toiletries such as liquid detergents and shampoos. Refill with a spout that can be easily refilled into, for example, a plastic bottle with a pump-type dispenser by cutting the spout protruding from the top edge corner with a scissors or the like. A number of bags (mostly standing pouches that are self-supporting) are being used.

  As an example of such a refill bag with a spout, for example, as shown in the perspective view of FIG. 5 (a), a vertically long side surface (2a) having a substantially rectangular shape is provided symmetrically with the side surface (2a). The side surface portion (2b) and the bottom surface portion (3) are sealed and formed in a bottomed bag shape, and the two side surface portions (2a) and (2b) are side edge portions (4a), In the pouch container (2) joined at (4a) and the upper edge (4b), a tapered and chevron shape is formed in which an outlet (6) for discharging the contents is formed by cutting the tip (5a) The nozzle portion (5) is projected from the end of the upper edge portion (4b) where the two side surface portions (2a) and (2b) are joined, and FIG. 5 (b) As shown in the perspective view, an outlet (6) for discharging the contents is formed by cutting the tip (5a) of the nozzle portion (5). There is that is so (e.g., see Patent Document 1.).

The above prior art documents are shown below.
Japanese Patent Laid-Open No. 11-43160

  However, in the above-mentioned conventional refill bag with a spout, the spout that is opened by cutting the tip of the nozzle part has a poor opening of the spout, and when refilling the contents, especially shampoo etc. As described above, in the case of a high-viscosity content, the content was difficult to be produced and squeezing was difficult. In addition, the tip of the nozzle portion has a shape formed by the intersection of the side edge of the side surface perpendicular to the bottom of the bag and one of the tapered and ridged ridge lines. There was a problem that it was difficult to set in the mouth.

  The present invention solves such problems of the prior art, and the problem is to cut the tip of the nozzle part in a refillable spout bag for storing liquid contents such as shampoo. Even if the pour spout that opens is liquid content with high viscosity, it is easy to pour by squeezing out, and when refilling the content, it is easy to set the refill bag with pour spout Is to provide.

In order to achieve the above object in the present invention, first, in the invention of claim 1, at least the innermost layer is a sealant layer, and sealants on both side edges and upper edges of two side sheets made of a rectangular composite film. Sealed at the layer surface, at one end of the upper edge, in the direction of the side edge perpendicular to the end,
It has a cutting instruction line at the tip, a protruding nozzle part as a spout for cutting out the cutting instruction line and pouring the contents, and a sealant layer surface at the lower edge of the side sheet made of the composite film In the refill bag with a spout, in which a bottom sheet having substantially the same configuration as the side sheet is sealed, one side sheet of the two side sheets is parallel to the upper edge of the side sheet, In addition, a refill bag with a spout is provided in which a folded portion having a predetermined width is provided at substantially the center in the protruding direction of the nozzle portion.

  According to a second aspect of the present invention, there is provided a refillable bag with a spout according to the first aspect, wherein a constricted portion formed by a notch that curves inward is provided at a side edge forming the lower portion of the nozzle portion. It is a thing.

  Furthermore, the invention according to claim 3 is characterized in that the cutting of the cutting instruction line is performed by a notch for cutting guidance formed in a constricted portion curved inwardly at a lower portion of the nozzle portion. The refill bag with a spout according to claim 1 or 2.

  Since this invention is the above structure, there exist the following effects.

  That is, according to the first aspect of the present invention, at least the innermost layer is a sealant layer and is sealed by the sealant layer surfaces of both side edges and the upper edge of two side sheets made of a rectangular composite film. A protruding nozzle part having a cutting instruction line at the tip in a side edge direction orthogonal to the end part and serving as a spout for cutting out the cutting instruction line and pouring out the contents. In the refill bag with a spout, the bottom sheet having substantially the same structure as the side sheet is sealed with the sealant layer surface of the lower edge of the side sheet made of the composite film. The cutting instruction line at the tip of the nozzle is cut by providing a folded portion with a predetermined width at one of the inner side sheets in parallel with the upper edge of the side sheet and at the approximate center in the protruding direction of the nozzle part. Open, the opening is The pour spout is enlarged by a predetermined width forming the folded portion, and therefore, there is an effect that it is possible to provide a refill bag with a spout that can be easily poured by squeezing even if the liquid content has high viscosity. .

  According to the second aspect of the present invention, the cutting instruction line at the tip of the nozzle is cut by providing a constricted portion formed by a cut inwardly curved at the side edge forming the lower portion of the nozzle portion. After opening, when refilling the contents, it can be set by hooking the constricted portion formed by this curved notch to the mouth of the container to be refilled, so it is possible to provide a refillable bag with a spout that is easier to pour. .

  Furthermore, according to the invention of claim 3, the cutting instruction line is cut by a notch for cutting guidance formed in a constricted portion that curves inwardly at a lower portion of the nozzle portion. Therefore, the refill bag with a spout that can be opened easily can be cut from the constricted portion that is curved starting from the notch.

  Therefore, the present invention exhibits an excellent practical effect as a refill bag with a spout for storing high-viscosity liquid contents such as shampoo and refilling the contents into other containers.

  The best mode for carrying out the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a front view showing an embodiment of a refill bag with a spout of the present invention, and FIG. 2 is a cross-sectional view showing an embodiment when the refill bag with a spout of the present invention is opened. Moreover, FIG. 3 is a perspective view which shows one form when the refill bag with a spout of this invention is used, and FIG. 4 shows an example of the sheet | seat which comprises the refill bag with a spout of this invention. FIG.

  In the refill bag with spout of the present invention, as shown in FIG. 1 (a), for example, two front and back side sheets (10, 11) made of a substantially rectangular composite film are sealed at both left and right edges. A side edge seal portion (12) and an upper edge seal portion (16) sealed at the upper edge, and a left side corner end of the upper edge seal portion (16) and a side edge perpendicular to the end portion In the direction of the seal portion (12), there is a cutting instruction line (20a) for instructing a position to cut the tip, and a spout (20) for cutting out the cutting instruction line (20a) and pouring out the contents. The front and back side sheets (10, 11) made of the composite film have the same configuration as the front and back side sheets (10, 11) on the lower sealant layer surface. The bottom edge seal portion (14) sealed with the bottom sheet (18) 1 is a refill bag (1) with a spout, which, as shown in FIG. 1 (b), pours out the contents by cutting the tip of the nozzle part (50) according to the cutting instruction line. (20) is formed.

  Therefore, as shown in FIGS. 1A and 1B, the invention according to the above-described first aspect is arranged on one of the two front and back side sheets, for example, the front side sheet (10). A fold portion (10a) having a predetermined width (W) is formed in the center in the protruding direction of the nozzle portion (50) in parallel with the upper edge seal portion (16) of the side sheet (10). 16) A left and right end portion of the folded portion (10a) is a refill bag (1) with a spout that is sealed in a folded state.

  When the nozzle part (50) of the refill bag with spout (1) shown in FIG. 1 (a) is cut according to the cutting instruction line (20a), as shown in FIG. 1 (b) and FIG. 2 (a), The spout (20) is opened in a state where the folded portion (10a) having a predetermined width (W) is folded in the direction of the upper edge seal portion (16) in the front side sheet (10).

  The folded portion (10a) having a predetermined width (W) provided on the side sheet (10) in the above table has a direction opposite to the upper edge seal portion (16), for example, as shown in FIG. Here, it is also possible to seal the end of the folded portion (10a) in a state of being folded in the direction of the curved side edge seal portion (12a).

  As described above, at the end portion of the upper edge seal portion (16), the nozzle portion (50) protruding in the direction of the side edge seal portion (12) orthogonal to the end portion is cut to open the spout ( 20) forms a folded portion (10a) having a predetermined width (W) in the front side sheet (10), so that even a highly viscous liquid content is squeezed out, FIG. As shown in FIG. 2 (a) and FIG. 2 (b), the front side sheet (10) is enlarged by a predetermined width (W) of the folded portion (10a) where the side sheet (10) is bent, as shown in FIG. 2 (c). Moreover, it can be set as the spout (20) with which the front side sheet (10) of the front was opened largely, and is a refill bag (1) with a spout which becomes easy to pour.

  The width (W) of the folded portion (10a) is at least smaller than the width of the nozzle portion (50). For example, in the case of the side sheet (10) having a width of 130 mm and a height of 180 mm, about 10 mm is preferable.

  In the invention according to claim 2, for example, as shown in FIGS. 1 (a) and 1 (b), the side edge seal portion (12a) that forms the lower portion of the nozzle portion (50) is provided on the inner side. A refill bag (1) with a spout is provided, which is provided with a constricted portion (13) made of a curved cut.

Thus, by providing the constriction part (13) which consists of the curved side edge seal part (12a) in the lower part of the protruding nozzle part (50), for example, as shown in the perspective view of FIG. When the nozzle part (50) of the refill bag (1) is cut and opened, and the contents are refilled in another plastic bottle (30), the spout (32) of the plastic bottle (30) has a flange part. It is possible to provide a refill bag (1) with a spout that can be set so as to hook the curved constricted portion (13) at the lower portion of the nozzle portion, and thus can be poured more safely without fear of losing the contents.

  As shown in FIGS. 1 (a) and 1 (b), for example, the upper edge seal portion (16) forming the nozzle portion (50) is also provided with the constricted portion (13a). 50), it is easy to gather contents at the tip, and it is preferable from the viewpoint of design.

  Furthermore, in the invention according to claim 3, as shown in FIG. 1A, for example, the cutting instruction line (20a) cut by printing, laser half-cutting, or the like at the tip of the nozzle portion (50) is cut. Is formed by a notch (N) for cutting guidance formed in a side edge seal portion (12a) constituting a constricted portion (13) curved inwardly at a lower portion of the nozzle portion (50). It is a thing.

  In this way, by providing a notch (N) for cutting guidance at the lower part of the nozzle part (50), the notch (N) is used as a starting point to cut upward along the cutting instruction line (20a). The refillable bag with spout (1) can be opened more easily.

  The notch (N) for cutting guidance may be any of V-type, I-type, and U-type, or may be a simple cut.

  Below, the material, manufacturing method, etc. which comprise the packaging container (1) with a spout of this invention are demonstrated concretely.

  First, as the cutting instruction line (20a) that constitutes the refill bag with spout (1) of the present invention, for example, a line is formed by printing, or the non-seal part (23) that constitutes the nozzle part (50). The surface of the side sheet (10) is half-cut with a carbon dioxide laser or a rotary blade, and at the end of the cutting instruction line (20a), the tear is caused by the notch (V) engraved in the curved constricted part (13). Can be used as a guide.

  Moreover, the material composition of the composite film of the front and back side sheets (10, 11) and the bottom sheet (18) constituting the refill bag with spout (1) of the present invention is a single-layer plastic film consisting only of a sealant layer. For example, polyolefins such as crystalline polypropylene, crystalline propylene-ethylene copolymer, low density polyethylene, medium density polyethylene, high density polyethylene, ethylene-vinyl acetate copolymer, ion-crosslinked olefin copolymer Can be mentioned.

  Further, as shown in the side sectional view of FIG. 4, for example, as the surface layer (42) constituting the composite film (40), for example, a polyethylene terephthalate film, nylon film or the like having a thickness of about 12 μm is used. Printing including the cutting support line (20a) is performed.

Further, as the innermost sealant layer (41) constituting the composite film (40), a single-layer plastic film such as the low-density polyethylene having a thickness of about 50 μm is used, and the surface layer is formed via an adhesive for dry lamination. It is obtained by laminating with the film of (42) or by laminating by the melt extrusion lamination method of the low density polyethylene resin or the like.

  Further, depending on the contents to be filled, it can be made into three layers and four layers. For example, as shown in FIG. 4, in order to give strength to the refill bag with spout (1), the surface layer (42) For example, stretched nylon (ON) having a thickness of about 12 μm is applied as an intermediate layer (43) between the sealant layer (41) and the refillable bag (1) with spout required for gas barrier properties. Between the surface layer (42) and the sealant layer (41), an intermediate layer (43) is formed of an aluminum foil (7 μm) / polyethylene terephthalate film (12 μm) or a ceramic vapor-deposited film (for example, SiO 2 vapor-deposited layer / polyethylene terephthalate film (12 μm)). It can also be set as the composite film (40) given by lamination.

  The refill bag with a spout of the present invention as described above stores liquid contents with particularly high viscosity such as liquid detergent, shampoo, rinse, etc., and can be used for refilling the contents into other containers (plastic bottles, etc.). It is suitable and exhibits excellent practical effects.

It is explanatory drawing which shows one Embodiment of the refill bag with a spout of this invention, (a) is the front view, (b) is the front view which cut | disconnected the nozzle part. It is explanatory drawing which represented the nozzle part which comprises the refill bag with a spout of this invention with the cut surface, (a) is sectional drawing of the one example, (b) is sectional of another example. It is a figure and (c) is a sectional side view of the opening part opened by squeezing. It is a perspective view explaining one embodiment at the time of refilling into other containers using the refill bag with a spout of the present invention. It is explanatory drawing which represented the example of the composite film which comprises the refill bag with a spout of this invention with the side cross section. It is explanatory drawing which shows an example of the conventional pouch container with a spout, (a) is the perspective view, (b) is the perspective view which cut | disconnected and opened the nozzle part.

Explanation of symbols

1. Refillable bag with spout 2 Pouch container with spout 2a, 2b Side surface 3 Bottom surface 4a Side edge 4b Upper edge 5 Pouch container nozzle 5a ··· tip of nozzle portion 6 ··· outlet 10 ··· front side sheet 10a ··· side sheet folded portion 11 · · · back side sheet 12 · · · side edge seal portion 12a · · · side seal of constricted portion Part 13 ... Constriction part 14 ... Bottom edge seal part 16 ... Top edge seal part 20 ... Spout 20a ... Cutting indicator line 23 ... Non-seal part 30 ... Plastic bottle 32 ... Spout 40 ... Composite Film 41 ··· Sealant layer 42 ··· Surface layer 43 ··· Intermediate layer 50 · · · Nozzle N · · · Notch T · · · Side sheet vertical Y · · · Side sheet lateral

    W ...... The width of the folding part

Claims (3)

  At least the innermost layer is a sealant layer, which is sealed with both side edges and upper edge sealant layer surfaces of two side sheets made of a rectangular composite film, and is orthogonal to the edge at one end of the upper edge. In the side edge direction, it has a cutting instruction line at the tip, and has a protruding nozzle part that serves as a spout for cutting out the cutting instruction line and pouring out the contents, under the side sheet made of the composite film. In the refill bag with a spout, in which a bottom sheet having substantially the same configuration as the side sheet is sealed at the edge sealant layer surface, one side sheet of the two side sheets is placed on the side sheet. A refill bag with a spout, which is provided with a folded portion having a predetermined width substantially in the center in the protruding direction of the nozzle portion in parallel with the edge.   2. A refillable bag with a spout according to claim 1, wherein a constricted portion formed by a notch that curves inward is provided at a side edge forming a lower portion of the nozzle portion.   3. The spout according to claim 1, wherein the cutting instruction line is cut by a notch for cutting guidance formed in a constricted portion that curves inwardly at a lower portion of the nozzle portion. Refill bag.

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