JP2009107696A - Double folded pouch - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a double folded pouch that can reduce a film thickness to reduce the pouch in weight and is favorable in handling ability in use, and from which a content can be poured favorably from a pouring opening, and that is high in efficiency for transportation. <P>SOLUTION: Two sheets of folded films are laminated so that their folded lines are oriented upwardly. The inner film is then lowered with respect to the outer film. Left and right side edges of the overlapped outer and inner films, and lower ends of the films are formed with sealed portions. Thus, the double folded pouch is formed so as to have two content accommodating portions communicating through the upper portion of the pouch. The pouch is formed with a pouring opening having an extracting path of the content in the upper edge of the pouch either at the left end or the right end. The pouring opening is provided with a ready-to-open portion at the tip thereof. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention accommodates liquid contents such as shampoo, rinse, kitchen detergent, sauce, pasta sauce, soup and dressing, and powdered contents such as instant coffee, dashi sauce, powder detergent, bathing agent and the like. The present invention relates to a half-folded pouch that is used or used for refilling.

  2. Description of the Related Art Conventionally, for the purpose of environmental conservation and resource saving, refill containers for storing the refill contents have been widely used in order to repeatedly use an empty main body container. As this refill container, a flexible standing pouch made of a self-supporting plastic film has been widely used. These refilling standing pouches are provided with spouts at the upper end corner and the upper end center so that the contents stored in the empty main body container can be easily transferred.

  However, the above-mentioned conventional standing pouch for refilling is capable of self-supporting, so the display effect at the store was good, but in order to make the pouch self-supporting and easy to handle during use, to some extent, The film had to be strong enough to reduce the film thickness. Therefore, there is a limit to reducing the amount of waste processing. Further, depending on the shape of the spout, the contents to be stored may be difficult to pour out. In particular, when the width of the spout is narrow and long, the spout may be easily clogged with the contents.

  The present invention solves the problems of the above-mentioned conventional standing pouch for refilling, can reduce the thickness of the pouch by reducing the thickness of the film, and has good handling properties when used. The present invention provides a folded pouch with good contents pouring state and good transportation efficiency.

  That is, according to the first aspect of the present invention, two folded films are overlapped with the folding position facing upward, and the folding position of the inner film is shifted downward relative to the folding position of the outer film. The outer film and the inner film are overlapped to form a seal part at each of the left and right end parts and the lower end part, and two folds comprising two contents storage parts communicating at the upper part. A pouch, wherein a pour-out portion having a pour-out path for contents is formed at one of the left and right upper ends of the bi-fold pouch, and a pre-opening portion is provided at the tip of the pour-out portion. It is a characteristic double-folded pouch.

  Next, according to a second aspect of the present invention, the folding position of the inner film is located above the lower end position of the pouring path of the spout portion, and the double fold according to the first aspect of the present invention. It is a pouch.

  Next, according to a third aspect of the present invention, the folding position of the inner film is in a position below the lower end position of the pouring path of the spout portion, and is folded in half. It is a pouch.

Next, a fourth invention of the present invention is the two-fold pouch according to any one of the first to third inventions, wherein a palm seal part is extended above the folding position of the outer film. is there.

  Next, a fifth invention of the present invention is the first to fourth inventions, wherein a folding half cut line is provided on the mountain fold side and / or the valley fold side of the film folding position. The bi-fold pouch according to any one of the above.

  Next, a sixth invention of the present invention is the invention according to any one of the first to fifth inventions, characterized in that a gusset portion is provided at both lower ends of one or both of the two content storage portions. This is a two-fold pouch.

  Next, according to a seventh aspect of the present invention, any one of the first to sixth aspects is characterized in that an opening notch is provided at a lower end or an upper end and a lower end of the planned opening position of the spout portion. It is a half-folded pouch as described.

  Next, according to an eighth aspect of the present invention, in the seventh aspect of the present invention, a breaking half-cut line for improving openability is provided at a planned opening position of the spout portion. It is a folded pouch.

  According to a ninth aspect of the present invention, the embossing for improving the pouring property is performed on the outer and inner films or the inner surfaces of the outer films forming the spout portion. A bi-fold pouch according to any one of the eighth inventions.

  Unlike the conventional standing pouch described above, the double-folded pouch of the present invention is a pouch in which the folding position of the film to be formed is the upper end and the two content storage portions are connected in a triangular shape by opening downward. In addition, since the self-supporting property is naturally improved and the film constituting the pouch can be thinned, the pouch can be reduced in weight. In addition, the thing which provided the gusset part in the lower end part of both the two content storage parts or one of the pouches becomes still more independent.

  In addition, the bi-fold pouch of the present invention has appropriate flexibility and strength necessary for handling, is compact in shape, has a low center of gravity and has a sense of stability, and is suitable for refilling bottle contents. The height to be lifted by tilting is small, and the handling is good. Moreover, it is easy to fit into a spherical shape such as a bottle due to the characteristics of the two-fold shape. In addition, a film with a palm seal on the mountain fold side of the film above the line position to be folded, a half-cut line for folding on the film fold side of the film outside the line position to be folded, A film in which a folding half-cut line is provided on the valley fold side of the film inside the planned line position can be easily folded in two at the planned line position.

  In addition, the bi-fold pouch of the present invention, when the contents to be stored by opening the spout portion is poured out, the contents are flowed from the two content storage portions into the pour-out path, from the spout portion There is a large amount of poured out, and the poured state of the contents is good. In addition, the double folded pouch (100) of the present invention shown in FIG. 1 (a) in which the folding position (102) of the inner film is positioned above the lower end position of the pouring path (131) of the spout portion (130), As shown in FIG. 1B, the cross-sectional shape of the pouring channel (131) when the spout (130) is opened is triangular and has a relatively large cross-sectional area, and the inner film is bent. The bi-fold pouch (200) of the present invention shown in FIG. 2 (a) in which (202) is positioned below the lower end position of the pouring channel (231) of the pouring port portion (230) opens the pouring port portion (230). As shown in FIG. 2B, the cross-sectional shape of the pouring channel (231) at this time is an elliptical shape and has a larger cross-sectional area. In addition, the outer and inner films forming the spout portion or the inner surface of the outer film that has been embossed have a good initial pouring state when the spout portion is opened and the contents are poured out. Become.

  In addition, the bi-fold pouch of the present invention of the present invention is compact in shape and can reduce the weight of the film to be formed, so that the transport efficiency in the distribution process is good.

  Next, an embodiment of the double folded pouch of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a half-folded pouch according to Embodiment 1 of the present invention, in which (a) shows the outer shape of the pouch, (b) shows the cross-sectional shape of the extraction channel of the opened outlet, and FIG. It is a two-fold pouch of Embodiment 2 of invention, (a) is the external shape of a pouch, (b) shows the cross-sectional shape of the extraction channel | path of the opened spout part.

  As shown in FIG. 1 (a) or 2 (a), the two-fold pouch (100 or 200) of this embodiment overlaps two folded films with the folding position facing upward, and the outer film The folding position (102 or 202) of the inner film is shifted downward with respect to the folding position (101 or 201), and the left and right end portions where the outer film and the inner film overlap each other A pouch having two seals (103 or 203) at the lower end and two contents storage portions (110 and 120 or 210 and 220) communicating at the upper portion. A spout part (130 or 230) having a content extraction path (131 or 231) is formed at the upper end of one side, and a planned opening is formed at the tip of the spout part. Kicking those. In addition, the vertical width of the pouring channel of the pouring port is set to a size that matches the intended use.

  And, as shown in FIG. 1 (a), the bi-fold pouch (100) of Embodiment 1 has the inner film folding position (102) from the lower end position of the pouring path (131) of the spout port (130). It is the upper position. Usually, the folding position (102) of the inner film is preferably 2 mm or more below the folding position (101) of the outer film, that is, the upper end position of the pouring path (131) of the spout portion (130).

  In addition, as shown in FIG. 2 (a), in the bi-fold pouch (200) of Embodiment 2, the folding position (202) of the inner film is the lower end position of the pouring path (231) of the spout portion (230). It is a lower position.

  In addition, the bi-fold pouch (100) of the present embodiment, as shown in FIG. 1 (a) or FIG. 2 (a), is placed above the folding position of the outer film in order to facilitate folding at the folding position of the film. The seal portion (104 or 204) may be extended, or a folding half-cut line may be provided on the mountain folding side of the outer film folding position, and the inner film may be folded on the valley folding side. A half-cut wire may be provided.

  Moreover, the bifold pouch of this embodiment may provide a gusset part in both the two content storage parts or one lower end part as needed. The independence of the pouch is improved.

  In addition, the bi-fold pouch (100) of the present embodiment has a spout part (130 or 230) as shown in FIG. 1 (a) or FIG. 2 (a) in order to facilitate opening of the spout part. Opening notches (132 and 133 or 232 and 233) are provided at the lower and upper ends of the planned opening position. Further, a breaking half-cut line (134) for improving the openability between the opening notches (132 and 133 or 232 and 233) at the upper end position and the lower end position of the planned opening position of the spout part (130 or 230). Or 234).

Moreover, the bifold pouch of this embodiment may emboss the outer side and inner film which form a spout part, or the inner surface of an outer film in order to improve pouring property at a spout part. When the embossing is performed, when the contents flow out of the spout portion, a gap is generated between the films forming the flow path, so that the contents easily flow out.

  When the contents stored from the folded pouch (100 or 200) of the present embodiment are poured out into a main body container such as a bottle, first, FIG. 1 (a) provided at the spout (130 or 230) is provided. ) Or the notch for opening (132 and 133 or 232 and 233) shown in FIG. 2 (a) to open the spout (130 or 230) and grasp the pouch with one hand to the inlet of the container body The contents stored in the main body container are poured out from the two outlets of the outlet of the opened pouch by inclining. The bi-fold pouch of the present embodiment is flexible and compact, so that it can be easily grasped and handled at the time of refilling. In addition, it is compact and easy to hold, and it is easy to squeeze out viscous contents such as pasta sauce and dressing with high viscosity.

  In addition, the film used for the two-fold pouch of the present embodiment includes, for example, a laminated structure of [outer layer side] base material layer / adhesive layer / sealant layer [inner layer side], [outer layer side] base material layer / adhesive Layer / intermediate layer / sealant layer [inner layer side] layered structure.

  For the base material layer, generally used biaxially stretched polypropylene film, biaxially stretched polyester film, biaxially stretched nylon film, moisture-proof cellophane, or the like is used.

  In addition, a polyurethane-based adhesive is generally used for the adhesive layer. Usually, a two-component type is used in which a main component having a hydroxyl group and a curing agent having an isocyanate group are mixed in two components.

  The intermediate layer is mainly provided for imparting a gas barrier property to the rod or improving various mechanical strengths, and is composed of a single layer or a multilayer film. As the single layer film, unstretched nylon film, aluminum foil, ethylene / vinyl alcohol copolymer film, vinylidene chloride film, vinyl alcohol film, acrylic film, vinylidene chloride resin coated cellophane, etc. are used. A multilayer film, an inorganic oxide vapor-deposited polyester film, an aluminum vapor-deposited polypropylene film, or the like obtained by laminating a single layer film is used.

  The sealant layer is made of a polyolefin resin or a polyolefin resin film. Examples of the resin include low density polyethylene, medium density polyethylene, linear low density polyethylene, and ethylene / vinyl acetate copolymer. Polypropylene resins such as homopolypropylene, homopolypropylene, propylene / ethylene random copolymer, propylene / ethylene block copolymer, polypropylene / α / olefin copolymer, and the like can be used. Furthermore, it is also possible to have a function of hanging and a function of hanging on a bottle by enlarging the joint seal width and making a hole or notch.

(A) is explanatory drawing which shows the external shape of the bifold pouch of Embodiment 1 of this invention, (b) is explanatory drawing which shows the cross-sectional shape of the extraction channel | path of the opened spout part. (A) is explanatory drawing which shows the external shape of the bifold pouch of Embodiment 2 of this invention, (b) is explanatory drawing which shows the cross-sectional shape of the extraction channel | path of the opened spout part.

Explanation of symbols

100, 200 ... Bi-fold pouches 101, 201 ... Outer film folding positions 102, 202 ... Inner film folding positions 103, 203 ... Sealing parts 104, 204 ... Joint sealing parts 110, 120, 210 , 220 ... Contents storage part 130, 230 ... Outlet part 131, 231 ... Outlet path 132, 133, 232, 233 ... Notch for opening 134, 234 ... Half-cut line for breaking

Claims (9)

  Two folded films are overlapped with the folding position facing upward, and the folding position of the inner film is shifted downward relative to the folding position of the outer film, and the outer film and the inner film are arranged. Are two-fold pouches having two contents storage portions communicating with each other at the end portions on both the left and right sides and the lower end portions of the two-fold pouches. A two-fold pouch characterized in that a spout part having a content pour path is formed at one of the upper ends of one side, and a pre-opening part is provided at the tip of the spout part.   The bi-fold pouch according to claim 1, wherein the folding position of the inner film is located above the lower end position of the pouring path of the spout port.   2. The double-folded pouch according to claim 1, wherein the folding position of the inner film is lower than the lower end position of the pouring path of the pouring port portion.   The bifold pouch according to any one of claims 1 to 3, further comprising a palm seal portion extending above the folding position of the outer film.   The bi-fold pouch according to any one of claims 1 to 4, wherein a folding half-cut line is provided on a mountain fold side and / or a valley fold side of the film folding position.   The foldable pouch according to any one of claims 1 to 5, wherein a gusset portion is provided at a lower end portion of both of the two content storage portions or one of the pouches.   The double-folded pouch according to any one of claims 1 to 6, wherein an opening notch is provided at a lower end or an upper end and a lower end of the planned opening position of the spout portion.   The half-folded pouch according to claim 7, wherein a breaking half-cut line for improving the opening property is provided at a planned opening position of the spout portion.   The double-folded pouch according to any one of claims 1 to 8, wherein embossing for improving pouring properties is performed on the outer and inner films forming the spout portion or on the inner surface of the outer film.

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