JP5098536B2 - Folded pouch - Google Patents

Description

  Whether the present invention stores liquid contents such as shampoo, rinse, kitchen detergent, sauce, pasta sauce, soup, dressing, etc., and powdered contents such as instant coffee, dashi sauce, powder detergent, etc. Or, it relates to a folded pouch 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. Moreover, there is one spout, and 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 single-layer or multi-layer films are stacked to form an upper end seal portion, a left end seal portion, a right end seal portion, and a lower end seal portion on the four side edges to store the contents. A rectangular pouch,
The pouch can be folded in half at the approximate bending center position in the vertical direction, and either the left end portion or the right end portion of the planned bending position is at the predetermined bending position. It straddles content storage portion and communicating provided spout of the folding piece in substantially vertically the same shape through the expected linear position, when used are used in clamshell back and forth the bending plan linear position A two-fold pouch,
The bi-fold pouch is characterized in that a palm seal portion is provided on a mountain fold side of the single layer or multilayer film above the position of the line to be folded.

Next, according to a second aspect of the present invention, in the bi-fold pouch according to claim 1 , a folding half-cut line is provided on the valley fold side of the single-layer or multilayer film below the planned folding position. It is provided.

Next, according to a third aspect of the present invention, in the bi-fold pouch according to claim 1 or 2 , a gusset portion is provided on both or one of the upper end and the lower end of the pouch.

Next, according to a fourth aspect of the present invention, there is provided a bi-fold pouch according to any one of the first to third aspects, wherein an opening is provided at the upper end position of the seal portion and the lower end position of the seal portion at the planned opening position of the spout portion. A notch is provided.

Next, according to a fifth aspect of the present invention, there is provided a bi-fold pouch according to claim 4 , wherein an opening is provided between an opening notch for opening of the spout portion and an opening notch at a lower end of the sealing portion. It is characterized by providing a half-cut line for breaking for improvement.

According to a sixth aspect of the present invention, in the bifold pouch according to any one of the first to fifth aspects, the spout portion is embossed to improve pouring properties.

  The bi-fold pouch of the present invention is not a standing pouch, and is used by being folded in two. When the pouch is used, the film constituting the pouch can be thinned, so that the pouch can be reduced in weight.

  In addition, when the bi-fold pouch of the present invention is used, the pouch is folded in half at an approximate center of the vertical position in the vertical direction, so that the pouch has the strength necessary for handling. Is compact and easy to handle when used. In addition, a film with a palm seal portion on the mountain fold side of the film above the line position to be folded, a half-cut line for folding on the mountain fold side of the film above the line position to be folded, a fold In the case where the folding half cut line is provided on the valley fold side of the film below the planned line position, the pouch is easily folded back and forth at the planned line position.

  Further, the bi-fold pouch of the present invention of the present invention, when the contents to be stored with the spout opening opened, is poured out in order to fold the pouch into two at the planned bending position, The part is divided into two, and the funnel-shaped spout becomes two, so that the amount of pouring is large and the pouring state is good.

  In addition, the bi-fold pouch of the present invention of the present invention is in a flat state in the distribution process, and therefore has good transport efficiency.

  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 plan view of an embodiment, and FIG. 2 is an explanatory diagram showing a state when the pouch is folded in half at a planned bending position.

  As shown in FIG. 1, the two-fold pouch (100) of the present embodiment has a rectangular shape and two single-layer or multi-layer films having characteristics adapted to the purpose of use of the pouch, and heat seals on the four side edges. The upper end seal portion (110), the left end seal portion (120), the right end seal portion (130), and the lower end seal portion (140) are formed by the above method, and the contents are stored in the content storage portion (150). It is a pouch.

The pouch can be folded in half at the approximate bending center position (170) in the vertical direction, and is scheduled to be folded at either the left end portion or the right end portion of the planned bending position. An integral spout portion (160) having an approximately the same shape in the vertical direction is provided across the linear position via the content storage portion (150) and the position (170) on the planned bending line. As shown in FIG. 2, the bifold pouch (100) is used by folding it back and forth at a planned folding position (170).

  Further, as shown in FIGS. 1 and 2, the bi-fold pouch (100) of the present embodiment is positioned above the planned folding line position (170) in order to facilitate folding at the planned folding line position (170). A palm seal part (180) may be provided on the mountain fold side of the single layer or multilayer film, or a half cut line for folding on the mountain fold side of the single layer or multilayer film above the line position to be folded. May be provided. Furthermore, a folding half-cut line may be provided on the valley fold side of the single-layer or multilayer film below the planned line position.

  Moreover, the bifold pouch of this embodiment may provide a gusset part in both or one of the upper end and lower end of a pouch as needed. When the pouch is folded in half, the independence of the pouch is improved.

  Moreover, in order to make opening of a spout part easy, the two-fold pouch (100) of this embodiment is shown in FIG. 1, and the seal part upper end position and seal of a plan opening position of a spout part (160) are shown. An opening notch (161a and 161b) is provided at the lower end position of the part. Further, a breaking half-cut line (162) for improving the opening property is provided between the upper end position of the seal portion at the planned opening position of the spout portion (160) and the opening notches (161a and 161b) at the lower end position of the seal portion. It is to be provided.

  Moreover, the bifold pouch of this embodiment may emboss the film part which forms a spout part 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 to be stored from the bi-fold pouch of the present embodiment are poured out into the main body container, first, as shown in FIG. 2, the pouch is folded back and forth at the planned bending position (170), and then the next. In addition, the opening notch (161a and 161b) shown in FIG. 1 provided in the spout (160) is broken to open the spout, and the pouch is held with one hand and inclined to the inlet of the container body. Then, the contents stored in the main body container are poured out from the two spouts of the spout part of the opened pouch. In addition, since the folded pouch is flexible and compact, it is easy to grasp and handle when 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 multilayer film used in the double-folded pouch of the present embodiment has a laminated configuration of [outer layer side] base material layer / adhesive layer / sealant layer [inner layer side], [outer layer side] base material layer / adhesive layer / Interlayer / sealant layer [inner layer side].

  For the above-mentioned 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 fill 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, poured polyethylene, linear low density polyethylene, ethylene / vinyl acetate copolymer, and other ethylene. Polypropylene resins such as homopolypropylene, homopolypropylene, propylene / ethylene random copolymer, propylene / ethylene block copolymer, polypropylene / α / olefin copolymer, and the like can be used.

It is a top view of one embodiment of a double folded pouch of the present invention. It is explanatory drawing which shows a state when the double fold pouch of FIG.

Explanation of symbols

100 …… Folded pouch 110 …… Upper end seal portion 120 …… Left end seal portion 130 …… Right end seal portion 140 …… Lower end seal portion 150 …… Content storage portion 160 …… Outlet portions 161a, 161b …… For opening Notch 162... Half-cut line for break 170 ... Line position to be bent

Claims (6)

A rectangular pouch for storing contents by stacking two single-layer or multi-layer films and forming an upper end seal part, a left end seal part, a right end seal part, a lower end seal part on the four side edges,
The pouch can be folded in half at the approximate bending center position in the vertical direction, and either the left end portion or the right end portion of the planned bending position is at the predetermined bending position. It straddles content storage portion and communicating provided spout of the folding piece in substantially vertically the same shape through the expected linear position, when used are used in clamshell back and forth the bending plan linear position A two-fold pouch,
A bi-fold pouch , wherein a palm seal portion is provided on a mountain fold side of the single layer or multilayer film above the line position to be folded. 2. The bi-fold pouch according to claim 1 , wherein a folding half-cut line is provided on a valley fold side of the single layer or multilayer film below the line position to be folded. The foldable pouch according to claim 1 or 2 , wherein a gusset portion is provided at both or either of the upper end and the lower end of the pouch. The double-folded pouch according to any one of claims 1 to 3 , wherein an opening notch is provided at an upper end position and a lower end position of the seal portion at a planned opening position of the spout portion. Between the spout opening notch of the seal portion upper end position and the sealing portion the lower end position of the opening planned position of, according to claim 4, characterized in that a breaking half-cut line for improving the openability Folded pouch. The bi-fold pouch according to any one of claims 1 to 5 , wherein an embossing for improving pouring properties is performed on the spout portion.

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