JP2006232281A - Branch-type standing pouch - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a branch-type standing pouch capable of consistently and rapidly taking out content to the last even when spouting the highly viscous content, saving the transport cost with being bulky before the filling, rapidly filling the content, and facilitating the disposal. <P>SOLUTION: In the branch-type standing pouch, a spouting nozzle is formed in a branched manner from the top of a pouch body by heat-sealing peripheral edges of a pouch face member having a spouting nozzle back side part to form a spouting nozzle back surface when being folded and a pouch body face part, a pouch back side member to constitute a pouch body back side, a spouting nozzle face member, and a bottom member. A ridge folding edge line extending in the nozzle center tip direction of the spouting nozzle back side part from a pouch body surface upper part over a returning part is provided in the center upper part of the pouch face member. A ridge folding opening additional line is provided in the center part of the pouch back side member, and a ridge opening line is provided at upper part of the center of the spouting nozzle face member. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a branched standing pouch in which a nozzle portion for taking out contents such as seasonings, cosmetics, and detergents contained in the pouch is branched from the top of the pouch body.

  After purchase, refillable pouches used for seasonings, cosmetics, detergents, etc. that can be refilled in plastic bottles, glass bottles, or other containers can be taken out easily while maintaining a stable flow to the end. Is required.

As such a refillable pouch, the nozzle part is formed by forming a nozzle part with a member separate from the pouch body at the corner part of the pouch (see Patent Document 1), or processing the packaging material constituting the pouch body. Has been proposed (see Patent Document 2).
A standing pouch is also known in which a nozzle portion is formed by an opening and a crease line at the center of the upper end of the pouch. (See Patent Document 3)

JP-A-5-132069 JP 2003-137319 A JP-A-10-129683

However, in a refillable pouch in which a nozzle portion is formed at the corner portion of the pouch, when the high-viscosity content is poured out, the nozzle is clogged by pressurization, which makes it difficult to pour out the high-viscosity content. is there. Also, if the pouch is rolled up from the bottom in an attempt to squeeze out the content that has become low, the pouch will be wound diagonally, causing liquid escape on the upper side that is difficult to wind and increasing the remaining amount There is a drawback.
Furthermore, in the pouch in which the nozzle portion is formed by a separate member, a special member or process is required, so that the manufacturing cost is high, and the pouch before filling is bulky, and the transportation cost is also high. There is.
On the other hand, in the pouch in which the nozzle portion is formed by the opening and the crease line at the upper center portion of the pouch described in Patent Document 3, when the pouch is pressurized to pour out the contents, the shape of the nozzle portion is There are disadvantages such as the contents being spilled without being stabilized, or the nozzle portion being blocked, making it difficult to dispense the contents.

As a pouch that solves the problems of the prior art, the present inventors have formed a mountain ridge line extending in the longitudinal direction at the center of the nozzle portion formed in a branched shape from the top of the standing pouch body, and nozzle base portions on both sides thereof. A pouch with a line was proposed (Japanese Patent Application No. 2004-366308). In this pouch, by opening the pouch and pressing the pressing parts on both sides of the upper part of the pouch, the branched nozzle part is raised upward by about 135 degrees to form a large-diameter three-dimensional nozzle with one touch. .
This pouch has an excellent effect that the shape of the nozzle is stable and it can be easily operated with one hand to pour out the contents. Since it is not located directly above the container, when the contents stored in the pouch are of high viscosity, there is a problem that the operation of squeezing the contents becomes unstable.

  Therefore, the present invention eliminates these problems of the prior art and stably and quickly removes the contents to the end even when pouring out the highly viscous contents without requiring any special member or process. To provide a branched standing pouch that can save transportation costs without being bulky before filling, can quickly fill the contents, and is easy to dispose of With the goal.

  As a result of intensive studies, the present inventors have provided a mountain fold line extending in the longitudinal direction from the nozzle part to the upper part of the pouch body at the center of the front and back surfaces of the nozzle part formed in a branched shape from the top of the standing pouch body, and use the pouch. The present invention has been completed by finding that the above-mentioned problems can be solved by constructing the nozzle portion so as to be opened 180 degrees upward when opening.

That is, the present invention has the following configurations 1 to 10.
1. A pouch surface material having a pouch nozzle back surface portion and a pouch main body surface portion that is continuous with the pouch nozzle back surface portion formed by a single-layer or multi-layer plastic film, and which is a pouch main body back surface portion. In a branched standing pouch in which the back nozzle, the surface of the pouring nozzle, and the periphery of the bottom member are heat sealed to form the pouring nozzle from the top of the pouch main body, the pouch main body is located at the upper center of the pouch surface material. A mountain fold ridge line extending from the upper surface to the center of the nozzle center on the back surface of the dispensing nozzle is provided, and a mountain fold opening auxiliary line is formed at the central portion of the back surface of the pouch, and a mountain is formed at the upper center of the surface material of the dispensing nozzle. A branched standing pouch characterized by having a folding opening line.
2. The mountain fold opening auxiliary line provided in the central part of the pouch back material and the mountain fold opening line provided in the upper center of the pouring nozzle surface material are provided at positions substantially corresponding to the mountain ridge lines provided in the pouch surface material, respectively. 2. The branched standing pouch according to 1.
3. The branched standing pouch according to 1 or 2, wherein two fold ridge lines of the pouch surface material are formed at an interval so that a folded portion of the pouch surface material is interposed therebetween.
4. The branching standing pouch according to 3, wherein a ridge line forming auxiliary line is provided between two mountain fold ridge lines.
5. The branched standing pouch according to 1 or 2, wherein a mountain fold ridge line of the pouch surface material is branched in a divergent shape toward the nozzle tip direction on the back surface of the pouring nozzle in the vicinity of the folded portion of the pouch surface material .
6). 6. The branched standing pouch according to any one of 1 to 5, wherein a stopper is provided at a peripheral seal portion at a nozzle tip portion.
7). 7. The branched standing pouch according to any one of 1 to 6, wherein the outer shape of the nozzle tip is formed so as to be substantially cylindrical or substantially polygonal when opened.
8). The branched standing pouch according to any one of 1 to 7, wherein when the pouch is opened, a shape inside the peripheral seal portion of the pouch becomes a substantially frustoconical shape.
9. The branching standing pouch according to any one of 1 to 8, wherein an easy-opening processing portion serving as a planned opening line is provided at the tip of the branched nozzle.
10. The mountain fold ridge line provided at the center of the back surface of the pouring nozzle of the pouch surface material and the mountain fold opening line provided on the surface of the pouring nozzle are formed so as to intersect with the planned opening line of the nozzle tip. The branched standing pouch according to any one of 9.

The branched standing pouch of the present invention has the following remarkable effects.
(1) When a pouch is used, a large-diameter three-dimensional nozzle can be formed with one touch by raising the nozzle part 180 degrees upward and opening it.
(2) During refilling of the contents, the pouch body is positioned directly above the container, so that the nozzle does not detach from the container even if the hand is released.
(3) The shape of the nozzle is stable, and the contents can be poured out stably and quickly to the end.
(4) By providing a stopper at the nozzle tip, it is possible to prevent the nozzle tip from entering the container more than necessary and blocking the nozzle tip.
(5) No special member or process is required, and it can be manufactured at low cost using conventional equipment.
(6) The size before filling is compact and the transportation cost can be reduced, and the contents can be filled quickly.
(7) It is easy to dispose after using the pouch.

The branched standing pouch of the present invention is configured by heat sealing a plastic film, but there is no particular limitation on the material of the plastic film used for the pouch.
Examples of the plastic material suitable for constituting the plastic film include crystalline polypropylene, crystalline propylene-ethylene copolymer, crystalline polybutene-1, crystalline poly4-methylpentene-1, low-, medium-, Or polyolefins such as high density polyethylene, ethylene-vinyl acetate copolymer (EVA), ethylene-ethyl acrylate copolymer (EEA), ion-crosslinked olefin copolymer (ionomer); polystyrene, styrene-butadiene copolymer Aromatic vinyl copolymers such as polyvinyl chloride, vinyl halide polymers such as vinylidene chloride resin, etc .; nitrile polymers such as acrylonitrile-styrene copolymer, acrylonitrile-styrene-butadiene copolymer; nylon 6, nylon 66 , Para or metaxylylene adipa Such polyamides de, polyethylene terephthalate, polyesters polytetramethylene terephthalate; various polycarbonates; may be mentioned thermoplastic resins such as polyacetal such as polyoxymethylene or the like.
Plastic films made of these materials are used after being unstretched, uniaxially stretched, or biaxially stretched.

The plastic film used in the standing pouch of the present invention can be constituted by a single layer of these plastic films or a laminate of two or more types, and one or more types of these plastic films. Further, a metal foil such as aluminum, paper, cellophane, or the like can be bonded together.
As a preferable plastic film, for example, a stretched nylon film as an outer layer, a two-layer structure having a polyolefin film such as low density polyethylene and polypropylene as an inner layer, a stretched polyester film as an outer layer, and a two-layer structure having a polyolefin film as an inner layer, and Among these, a film having a three-layer structure in which a metal foil such as aluminum is laminated between outer layer films, and the like are included. In the production of these laminated films, an adhesive and an anchor agent are interposed between the respective layers as necessary. You can also.

  The layer structure of the plastic film is selected in accordance with the properties of the contents to be filled in the standing pouch. For example, when a low cost is required, such as a standing pouch for a refill detergent, a single layer or two layers are used. When a laminated film having a layer structure is used and storage stability is required as in a seasoning pouch, a laminated film having a three-layer structure or more including an aluminum foil may be used.

Next, the branched standing pouch of the present invention will be described with reference to the drawings.
1 to 3 are views showing an example of a branched standing pouch according to the present invention. 1A is a front view of a pouch in which the contents are not filled, B is a rear view of the pouch, and C is a front view of the pouch in which the pouring nozzle portion of A is raised 180 degrees upward. It is. FIG. 2 is a schematic view of each member constituting the pouch. FIG. 3 is a view for explaining a state in which the pouch is opened and used. A is a schematic cross-sectional view of an unopened pouch filled with contents, and B is a pouring nozzle raised 180 degrees in the direction of arrow A. FIG. 4 is a schematic cross-sectional view of the pouch in a state where the tip portion is opened, and C is a schematic cross-sectional view showing a state in which the nozzle tip portion of the opened pouch is inserted into the refill container.

  This standing pouch has a pour nozzle 2 branched from the top of the pouch body 1, and the pour nozzle 2 is formed so that it can be turned 180 degrees upward from the turn portion 3 toward the pouch. Further, the opening portion of the dispensing nozzle 2 is subjected to easy opening processing by perforation, score processing, laser processing, etc. along the planned opening line 4, and stoppers 9 are provided on both sides of the peripheral seal portion from the base portion of the nozzle. , 9 are provided.

  The pouch body is configured so that the width gradually decreases from the bottom to the top, and the peripheral edge of the pouch body 1 and the dispensing nozzle 2 is heat-sealed, whereby the peripheral seal 6 and the bottom seal 7 are sealed. Is formed. An unsealed filling port 8 is provided at the upper edge of the pouch, and the filling port 8 is sealed by heat sealing after filling the contents.

  The standing pouch has a pouch surface material 21 having a pour nozzle back surface portion 12 which becomes the back surface of the pour nozzle 2 and a pouch body surface portion 11 continuous therewith, as shown in FIG. Constructed by heat-sealing each peripheral edge of the pouch back material 22 constituting the back surface of the pouch body, the pouring nozzle surface material 23 constituting the pouring nozzle surface, and the bottom member 24 constituting the pouch bottom by folding in half. Is done.

  At the center of the back surface of the pour nozzle surface of the pouch surface material 21 is a mountain fold that becomes a ridge line on one side of the nozzle when the pouch is opened from the planned opening line 4 to form the nozzle 2 having a substantially circular or substantially rectangular cross section. The ridge line 13 is formed from substantially the entire length in the longitudinal direction of the nozzle 2 to the upper portion of the pouch main body surface portion 11 beyond the folded portion 3. Further, the other end portion of the mountain fold ridge line 13 intersects with the expected opening line 4 of the nozzle tip portion, and the mountain fold ridge line 13 reaches the opening end portion when the nozzle tip portion is opened. Therefore, it is possible to prevent the nozzle tip from being blocked when the contents are poured out.

  Further, a mountain fold opening auxiliary line 14 shorter than the mountain fold ridge line 13 is formed on the pouch back material 22 at a position substantially corresponding to the mountain fold ridge line 13 provided on the pouch surface material 21 from the upper end of the central portion. . And in the center part of the pouring nozzle surface material 23, the mountain fold opening line 15 is formed from the upper end part to the nozzle tip part beyond the turned-up part 3.

  In this standing pouch, the contents of the pouch body 1 are filled from the unsealed filling port 8 at the upper edge of the pouch shown in FIG. In that case, since the filling port 8 has the size of the full width of the upper end of the pouch, it can be efficiently filled even in the case of high-viscosity contents. After filling the contents, the filling port 8 is heat-sealed together with the pouring nozzle portion at a position slightly above the folded portion 3 of the pouring nozzle 2.

  In order to open the standing pouch, as shown by an arrow in FIG. 3A, the tip of the dispensing nozzle 2 is pinched with a finger and is raised 180 degrees upward. The nozzle is opened along (see B in FIG. 3). Next, the pouch is turned over and inserted into the refill container 30 to pour out the contents.

  In this pouch, as shown in FIG. 3B, the opened pouch is not bent and is almost linear, and the contents can be poured out directly above the refill container 30 (see FIG. 3). C). Therefore, the pouch can be stably held by the weight of the pouch, and even when the content has been poured out and the pouch has become lighter, the tip of the nozzle does not detach from the refill container 30 and the content can be poured. It is possible to stably and smoothly go out. Further, the stoppers 9, 9 provided at the nozzle tip can prevent the nozzle tip from entering the refilling container 30 more than necessary and block the tip opening. Can be carried out efficiently.

FIG. 4 is a view showing another example of the branched standing pouch according to the present invention. FIG. 4A is a front view of the pouch in which the contents are not filled, FIG. 4B is a rear view of the pouch, and FIG. FIG. 3 is a front view of a pouch in a state where an extraction nozzle portion of A is raised 180 degrees upward. In this pouch, the mountain fold opening auxiliary line 14 provided on the pouch back material 22 is constituted by two discontinuous mountain fold lines intersecting at the turn-up portion 3 (see FIG. 4B), and the pouring nozzle portion is turned back. When the pouch is opened by raising 180 degrees upward from the portion 3, the mountain fold opening auxiliary line 14 overlaps to prevent a force from acting in the direction of closing the nozzle.
Further, the mountain fold ridge line 13 provided on the pouch surface material 21 is branched in a divergent shape toward the nozzle tip direction at the turn-up portion 3, so that the shape of the nozzle tip portion becomes substantially pentagonal when the pouch is opened, and the opening portion Is configured to be stable. Other configurations of the pouch are the same as those of the pouches of FIGS.

FIG. 5 is a view showing another example of the branched standing pouch according to the present invention. FIG. 5A is a front view of the pouch in which the contents are not filled, B is a rear view of the pouch, and C FIG. 3 is a front view of a pouch in a state where an extraction nozzle portion of A is raised 180 degrees upward. In this pouch, by stopping the upper end of the mountain fold opening auxiliary line 14 provided on the pouch back material 22 at the turn-up portion 3 (see FIG. 5B), the pouring nozzle portion is raised 180 degrees upward from the turn-up portion 3 and the pouch is moved. When opening, the mountain fold opening auxiliary line 14 overlaps to prevent the force from acting in the direction of closing the nozzle.
Further, the mountain fold ridge line 13 provided on the pouch surface material 21 is composed of two mountain fold lines 13 and 13 having the same length and extending toward the nozzle tip direction so that the folded portion 3 is interposed therebetween. is doing. By adopting such a configuration, the shape of the nozzle tip is substantially pentagonal when the pouch is opened, and the opening is stabilized. Other configurations of the pouch are the same as those of the pouches of FIGS.

  FIG. 6 is a view showing another example of the branched standing pouch according to the present invention. FIG. 6A is a front view of the pouch in which the contents are not filled, B is a rear view of the pouch, and C FIG. 3 is a front view of a pouch in a state where an extraction nozzle portion of A is raised 180 degrees upward. In this pouch, by connecting one mountain fold ridge line 131 and the other mountain fold ridge line 132 with a fold line forming auxiliary line 133 intersecting with the fold line portion 3 at the fold line portion 3 of the pouch surface material, the pouring nozzle portion 2 When the nozzle is formed by starting up the nozzle, the pouch surface material 21 is kinked at the portion of the ridge line forming auxiliary line 133 so that the rising and expanding of the nozzle are further facilitated. The other configuration of the pouch is the same as that of the pouch shown in FIG.

  FIG. 7 is a view showing another example of the branched standing pouch according to the present invention. FIG. 7A is a front view of the pouch in which the contents are not filled, B is a rear view of the pouch, and FIG. FIG. 3 is a front view of a pouch in a state where an extraction nozzle portion of A is raised 180 degrees upward. In this pouch, by forming the outer shape of the unfilled nozzle tip in a substantially rectangular shape in the pouch of FIG. 4, the outer shape of the nozzle tip becomes a substantially cylindrical or substantially polygonal column when opened, and the refill container It is designed to make it easier to dispense. The other configuration of the pouch is the same as that of the pouch of FIG.

  FIG. 8 is a view showing another example of the branched standing pouch according to the present invention. FIG. 8A is a front view of the pouch in which the contents are not filled, FIG. 8B is a rear view of the pouch, and FIG. FIG. 3 is a front view of a pouch in a state where an extraction nozzle portion of A is raised 180 degrees upward. The pouch shown in FIGS. 1 to 3 has a substantially trapezoidal shape in which the inner shape of the peripheral seal portion 6 of the pouch gradually narrows from the bottom of the pouch to the tip of the nozzle. By adopting such a configuration, when the pouch is opened, the shape inside the peripheral seal portion of the pouch becomes a substantially truncated cone, and the contents can be easily poured out. Other configurations of the pouch are the same as those of the pouches of FIGS.

  FIG. 9 is a view showing another example of the branched standing pouch according to the present invention. FIG. 9A is a front view of the pouch in which the contents are not filled, FIG. 9B is a rear view of the pouch, and FIG. FIG. 3 is a front view of a pouch in a state where an extraction nozzle portion of A is raised 180 degrees upward. In the pouch of FIG. 8, the inner peripheral edge seal portion at the upper part of the pouch body 1 is provided on the outer side of the pouch of FIG. 8 so that the filling port 8 is widened to facilitate filling. The other configuration of the pouch is the same as that of the pouch of FIG.

  In each of the above examples, the mountain fold ridge line 13, the mountain fold opening auxiliary line 14, the mountain fold opening auxiliary line 15, the ridge line forming auxiliary line 133, etc. that are formed on the pouch are formed as continuous lines. Of course, it can be formed as a line. Needless to say, the shape and dimensions of these lines can be appropriately changed.

The branched standing pouch of the present invention stably forms a large-diameter nozzle portion having a small flow resistance when a high-viscosity content is poured out, and quickly removes the content to the end. Can do. In addition, it can be manufactured at low cost using ordinary manufacturing equipment without the need for special members and processes, and it can save transportation costs without being bulky before filling. Disposal is easy.
In the present invention, the form of the pouch is described as a refilling standing pouch, but the formation of the nozzle portion of the present invention can also be applied to other pouches such as a flat pouch.

  The contents contained in the branched standing pouch of the present invention are not particularly limited and can be used in a wide range of fields such as seasonings, foods, beverages, cosmetics, and detergents, but in particular, shampoos, rinses, conditioners, hand soaps, It is suitably used as a pouch for storing contents such as body soap, dressing, edible oil, mayonnaise, jelly-like beverage, and cream.

It is a figure which shows an example of the branch type standing pouch of this invention, and is a figure of the pouch of the state which is not filled with the contents. It is a schematic diagram of each member which comprises the pouch of FIG. It is a schematic diagram explaining the state which opens and uses the pouch of FIG. It is a figure which shows the other example of the branch type standing pouch of this invention. It is a figure which shows the other example of the branch type standing pouch of this invention. It is a figure which shows the other example of the branch type standing pouch of this invention. It is a figure which shows the other example of the branch type standing pouch of this invention. It is a figure which shows the other example of the branch type standing pouch of this invention. It is a figure which shows the other example of the branch type standing pouch of this invention.

Explanation of symbols

1 Pouch body
2 Nozzle 3 Folding part 4 Opening planned line 6 Peripheral seal part 7 Bottom seal part 8 Filling port 9 Stopper
11 Pouch body surface
12 Back side of pouring nozzle
13,131,132 Mountain fold ridge line 14 Mountain fold opening auxiliary line 15 Mountain fold opening line 21 Pouch surface material 22 Pouch back surface material 23 Outlet nozzle surface material 24 Bottom member 30 Refill container 133 Edge forming auxiliary line

Claims (10)

  A pouch surface material having a pouch nozzle back surface portion and a pouch main body surface portion that is continuous with the pouch nozzle back surface portion formed by a single-layer or multi-layer plastic film, and which is a pouch main body back surface portion. In a branched standing pouch in which the back nozzle, the surface of the pouring nozzle, and the periphery of the bottom member are heat sealed to form the pouring nozzle from the top of the pouch main body, the pouch main body is located at the upper center of the pouch surface material. A mountain fold ridge line extending from the upper surface to the center of the nozzle center on the back surface of the dispensing nozzle is provided, and a mountain fold opening auxiliary line is formed at the central portion of the back surface of the pouch, and a mountain is formed at the upper center of the surface material of the dispensing nozzle. A branched standing pouch characterized by having a folding opening line.   The mountain fold opening auxiliary line provided in the central part of the pouch back material and the mountain fold opening line provided in the upper center of the pouring nozzle surface material are provided at positions substantially corresponding to the mountain ridge lines provided in the pouch surface material, respectively. The branched standing pouch according to claim 1.   3. The branched standing pouch according to claim 1 or 2, wherein two ridge lines of the pouch surface material are formed at an interval so that a folded portion of the pouch surface material is interposed therebetween.   The branched standing pouch according to claim 3, wherein a ridge line forming auxiliary line is provided between two mountain fold ridge lines.   3. The branch type according to claim 1, wherein a mountain fold ridge line of the pouch surface material is branched in a divergent shape toward the nozzle tip direction of the pouring nozzle back surface in the vicinity of the folded portion of the pouch surface material. Standing pouch.   The branched standing pouch according to any one of claims 1 to 5, wherein a stopper is provided at a peripheral seal portion at a nozzle tip portion.   The branched standing pouch according to any one of claims 1 to 6, wherein the outer shape of the nozzle tip is formed so as to be substantially cylindrical or substantially polygonal when opened.   The branched standing pouch according to any one of claims 1 to 7, wherein when the pouch is opened, a shape inside the peripheral seal portion of the pouch is substantially a truncated cone.   The branched standing pouch according to any one of claims 1 to 8, wherein an easy-opening processing portion serving as a planned opening line is provided at the tip of the branched nozzle. The mountain fold ridge line provided at the center of the back surface of the pouring nozzle of the pouch surface material and the mountain fold opening line provided on the surface of the pouring nozzle are formed so as to intersect with the planned opening line of the nozzle tip. The branched standing pouch according to any one of 1 to 9.

Images