JP2005271964A - Refilling 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 squeeze-spouting a liquid content even when the liquid content has high viscosity. <P>SOLUTION: In the refilling bag 1 with the spout having a nozzle 50 which is sealed by both side edge seal parts 12 and an upper edge seal part 16 of face and back substantially square side sheets 10 and 11, extends upwardly from the upper edge seal part 16 at the end of the upper edge seal part 16, and is protruded in the direction of the side edge seal part 16 orthogonal to the end with a cutting instruction line 20a on the tip, an upper edge 11a in which the back side sheet 11 extending upwardly from the upper edge seal part 16 is folded inwardly and the upper edge 10a of the face side sheet 10 extending slightly upwardly from the upper edge seal part 16 are sealed on each inner surface in the nozzle 50 to form a nozzle part seal piece 16a of the sealed refilling bag 1 with the spout. <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. 6 (a), it is provided symmetrically with a vertically long, substantially rectangular side surface (2a) and this 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. 6 (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 both side edges and upper edges of two side sheets made of a substantially rectangular composite film. Sealed at the surface of the sealant layer, has a cutting instruction line at the tip at one end of the upper edge, extending above the upper edge and in a side edge direction perpendicular to the end, A bottom sheet having substantially the same configuration as the side sheet is sealed at the sealant layer surface at the lower edge of the side sheet made of the composite film, having a protruding nozzle portion serving as a spout for cutting and pouring the contents. In the refillable bag with a spout, the nozzle part has an upper edge in which one side sheet extending upward from the upper edge is bent inward, and the other side slightly extending upward from the upper edge. The upper edge of the sheet It is obtained by a sealed feature to spout with packed Kawafukuro by comprising a plane.

  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, which is sealed by the sealant layer surfaces of both side edges and the upper edge of two side sheets made of a substantially rectangular composite film. One end of the edge extends above the upper edge and has a cutting instruction line at the tip in the direction of the side edge perpendicular to the end. The cutting instruction line is cut and the contents are poured out. A refill with a pour spout having a protruding nozzle part as a pour spout for sealing a bottom sheet having substantially the same structure as the side sheet on the sealant layer surface of the lower edge of the side sheet made of the composite film In the bag, the nozzle portion includes an upper edge in which one side sheet extending above the upper edge is bent inward and an upper edge of the other side sheet slightly extending above the upper edge on the inner surface. Because it is sealed with When the tip of the nozzle part is cut and opened according to the cutting instruction line, the opened spout is folded inwardly on one side sheet extending above the upper edge to form a loop. Since it opens greatly, even if it is a highly viscous content, there exists an effect which can provide the refill bag with a spout which becomes easy to pour (discharge) by squeezing.

  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. Thus, the cut portion can be cut so as to be rounded upward from the curving portion that starts from the notch, so that a refillable bag with a spout can be obtained.

  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 a form of a refill bag with a spout of the present invention and a cross-sectional view thereof, and FIG. 2 shows a form in which the nozzle portion of the refill bag with a spout of the present invention is cut. It is a front view. Moreover, FIG. 3 is sectional drawing which shows one form of the spout of the refill bag with a spout of this invention, and FIG. 4 shows one form when the refill bag with a spout of this invention is used. It is a perspective view.

  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 are provided, and the upper edge seal portion (16) is provided at the left corner of the upper edge seal portion (16). The nozzle portion (50) protrudes in the direction of the side edge seal portion (12) extending further upward and perpendicular to the end portion, and the nozzle portion (50) has a cutting instruction line (20a) at the tip. The side surface sheet is formed on the lower surface of the sealant layer of the side sheet (10) made of the composite film by cutting the cutting instruction line (20a) and pouring out the contents. The bottom sheet (18) having substantially the same structure as (10) is sealed. The spouted refill bag (1) having the lower edge seal part (14), as shown in FIG. 2, by cutting the tip of the nozzle part (50) according to the cutting instruction line, A spout (20) for pouring out the contents is formed.

  Therefore, the invention according to claim 1 includes the nozzle portion (as shown in the front view of FIG. 1A and the cross-sectional view of FIG. 1B representing the BB plane of FIG. 1A). 50), the back side sheet (11) extending upward from the upper edge seal part (16) is bent inward, and sealed by the inner surfaces of the bent left and right edges, so that the nozzle part side edge seal part (12b) is sealed. Further, the upper edge (10a) of the upper side edge (11a) and the upper side edge sheet (10) slightly extending above the upper edge seal portion (16) are formed on the respective inner surfaces (sealant layers). It is a refillable bag (1) with a spout characterized by sealing and sealing as a nozzle part sealing piece (16a).

  When the tip of 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), for example, as shown in FIG. 2 and FIG. 3 (a). The opened spout (20) has a back side sheet (11) extending upward and is bent inward to form a loop, so that the spout (20) can be opened widely.

  Moreover, as shown in FIG. 2, the nozzle part sealed by the upper edge of the back side sheet | seat (11) which comprises a nozzle part (50), and the upper edge and inner surface (sealant layer) of a front side sheet (10). When the sealing piece (16a) is provided near the center of the nozzle part (50) (indicated by a dotted line), the opened spout (20) extends upward and inward as shown in FIG. 3 (b), for example. It is also possible to form a loop shape with the folded back side sheet (11) and the front side sheet (10) extending slightly upward, so that the spout (20) opens widely.

  As described above, the nozzle portion (50) protruding to the left side includes, for example, the upper edge (11a) in which the back side sheet (11) extending above the upper edge seal portion (16) is bent inward, and the upper edge Since the upper edge (10a) of the front side edge seal portion (10) extending slightly above the seal portion (16) is sealed by the inner surface, the tip of the nozzle portion (50) is connected to the cutting instruction line (20a ) To open the pour spout (20) so that the back side sheet (11) is folded inward to form a loop, so that the pour spout (20) opens wide. Therefore, even if it is a highly viscous content, it can be set as the refilling bag (1) with a spout which becomes easy to pour (discharge) by squeezing.

In the invention according to claim 2, for example, as shown in FIGS. 1 (a) and 2, the side edge seal portion (12a) that forms the lower portion of the nozzle portion (50) is curved inwardly. It is a refill bag (1) with a spout characterized by providing the constriction part (13) which consists of these.

  Thus, by providing the constricted part (13) in the curved side edge seal part (12a) at 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 replacement bag (1) is cut and opened and the contents are refilled into another plastic bottle (30), the nozzle is attached to the flange part of the spout (32) of the plastic bottle (30). A refillable bag (1) with a spout that can be set so as to hook the curved constricted part (13) at the lower part of the part (50), thus making it easier to pour safely without fear of losing the contents. be able to.

  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 cut at the end of the cutting instruction line (20a) and at the lower part of the nozzle part (50), and is cut into the side edge seal part (12a) constituting the constricted part (13) curved inwardly. It is made by the notch (N) for.

  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. 5, 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.). As a suitable self-standing standing pouch, it 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 BB sectional drawing of (a). 1 shows an embodiment of a refill bag with a spout of the present invention, and is a front view when a nozzle portion is cut. FIG. 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. FIG. 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 a perspective view 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. Refill 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 ··· Nozzle tip 6 ··· Outlet 10 ··· Front side sheet 10a ··· Upper edge of front side sheet 11 ··· Back side sheet 11a · · · Upper edge of back side sheet 12 ··· Side Edge seal part 12a ... Side edge seal part of constricted part 12b ... Nozzle part side edge seal part 13 ... Constriction part 14 ... Bottom edge seal part 16 ... Upper edge seal part 16a ... Nozzle part seal piece 20 ... Spout 20a Cutting line 30 Plastic bottle 32 Spout 40 Composite film 41 Sealant layer 42 Surface layer 43 Intermediate layer 50 Nozzle N Notch

Claims (3)

  At least the innermost layer is a sealant layer, and is sealed with both side edges and upper edge sealant layer surfaces of two side sheets made of a substantially rectangular composite film, and at one end of the upper edge, above the upper edge It has a protruding nozzle part that has a cutting instruction line at the tip in the side edge direction perpendicular to the end part and serves as a spout for cutting out the cutting instruction line and pouring out the contents. In the refill bag with a spout, wherein the bottom sheet having the same configuration 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 nozzle portion is located above the upper edge The upper edge of one side sheet extending inward and the upper edge of the other side sheet slightly extending above the upper edge are sealed by the inner surface, respectively. Refill bag.   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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