JP2008062939A - Refill pouch container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a refill pouch container to be guided for its rotation from a refill operation starting time to its finishing operation and further enable a stored liquid to be smoothly refilled. <P>SOLUTION: A joint between a nozzle seal part at a side near one side of a nozzle part 10 of a pouch seal part 16 and a barrel seal part at one side of the barrel in the seal and its adjacent portion are cooperated to form a curved seal part 71 that enters inside the pouch, opened outward and enabled to contact the edge part of a refill opening member of a body container. A non-continuous gradient point 75 of an outer edge contour line is provided between an outer contour line at the barrel seal part and an outer contour line of the nozzle seal part at either the bottom part of the curved seal part 71 or its adjacent part. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a pouch for refilling a content liquid.

    Use detergent, bleach, softener, laundry glue, shampoo, rinse, or liquid, granular or granular contents such as edible oil, soy sauce, sauce, dressing, etc. When the container is emptied, its contents (hereinafter, these contents are referred to as content liquids) may be refilled. Thus, the main body container having various pouring functions can be used effectively repeatedly. The content liquid to be refilled at this time is filled in a refill container and is commercially available. The refill container used here does not need to have advanced functions such as a metering function for pumping out and a pump function, so a container with a relatively simple function that only contains the content liquid is used. Recently, a pouch container is used in which two film-shaped body members are overlapped or a bottom material is added thereto and the periphery is heat-sealed to form a bag shape (see Patent Document 2). .

    However, this pouch container can be completely filled with the content liquid for refilling by simply constructing two peripheral members or in addition to this by stacking the bottom material and heat-sealing the peripheral part. As the refilling container can be constructed simply by considering the heat seal pattern, it basically has very good characteristics as a refill container, but it is used here. Since the body material is film-like and flexible, as the capacity of the pouch container increases, for example, a weak woman or an elderly person holding the pouch container with both hands refills it. The shape is not stable, and it cannot be poured well into the mouth of the main body container, and the liquid content from the pouch container may spill out of the mouth of the main body container.

JP 2002-1981 A JP 2003-137317 A

On the other hand, the main body container has recently been provided with advanced functions such as a dispensing guide function and a weighing function to suppress the disturbance of the flow during the dispensing of the content liquid. The structure of the mouth of the main body container is also complicated. For example, the mouthpiece (120) of the main body container shown in the above-mentioned Patent Document 1 is provided with a pour tube 122 protruding, and an opening (125) for air replacement of the main body container is provided at the base. However, if the content liquid from the refill container (50) is not put into the dispensing cylinder at the time of refilling, the overflowing content liquid will block the opening (125), making full refilling difficult. As described above, stable positioning of the refill container with respect to the mouth of the main body container is extremely important for smooth refilling by stabilizing the posture and shape of the refill pouch.
Therefore, as shown in Patent Document 2, recesses (8), (11) are formed in the heat seal portions on both sides of the base of the nozzle portion of the refill container, and these recesses (8), (11) are the main body. It was considered to engage with the edge of the mouth of the container, and to put the refill container on the main body container for positioning. In the technique disclosed in Patent Document 2, the posture and position of the refill pouch container with respect to the main body container are stabilized particularly at the last stage of the refill operation, and the content liquid is not left in the refill pouch container. The refillable pouch container can be smoothly poured into the nozzle of the main body container and the dispensing tube.
However, since the refilling operation is usually performed while gradually tilting the refill pouch container, it is desirable that the stability of positioning of the refill container is realized not only at the last stage of the refill operation but also during the rotation operation of the refill pouch. However, since the shape of the recess (11) in the cited document 2 is rectangular, the opening opening is narrow, and it is not easy to hook the pouch container on the mouth of the main body container, and the recess (11) guides the rotation of the refill pouch. The function to do is not always enough. The rigidity of the seal portion also prevents the refill pouch container from rotating. For this reason, development of a refillable pouch container that can guide the rotation of the refillable pouch container from the beginning to the end of the refill operation in the refillable pouch container and can smoothly refill the content liquid is desired.
The present invention has been made in view of the circumstances as described above, and can guide the rotation and inclination of the refill pouch container from the beginning to the end of the refill operation in the refill pouch container, and smoothly refill the content liquid. An object is to provide a refillable pouch container.

A refillable pouch container according to the present invention is a pouch container that contains a liquid to be refilled in a main body container in which a body portion and a nozzle that communicates with the film pouch material that are overlaid are sealed at a seal portion. The nozzle part in which the passage communicates with the inside of the barrel part is formed by projecting from the barrel part between the upper side and one side of the pouch container, and in the vicinity of the outer tip of the nozzle part. An easy-open guide line is formed on the liquid passage that forms the spout, and the nozzle part seal part on the side near the one side of the nozzle part of the seal part and the seal on the side The connecting portion of the trunk portion on the one side of the trunk portion and the vicinity thereof cooperate to be recessed into the inside of the pouch and open to the outside so as to refill the main body container. Edge of member An engagable curved seal portion is formed, and an outer edge contour line is formed between the outer edge contour line of the trunk portion seal portion and the outer edge contour line of the nozzle portion seal portion at or near the bottom of the curved seal portion. It is characterized by discontinuous points in the gradient.

  According to the first aspect of the present invention, the nozzle portion seal portion and the body portion seal portion of the seal portion of the pouch constitute a curved seal portion that is curved inward of the pouch, and this curved seal portion is the main body container. This is a guide for the refill pouch when the refill pouch is tilted with respect to the refill mouth member. As the curved seal part has a wide opening, it is easy for a user who has difficulty in physical movement, such as the elderly, to allow the curved seal part to accept the edge of the refill mouth member of the main body container as a refill operation. It is easy to utilize the guide function by the seal edge of the curved seal portion.

  In the curved seal part, the lower edge outer edge outline of the outer edge of the nozzle part seal part above the pouch and the upper edge outer edge outline of the outer edge of the body part seal part below the pouch both function as guide lines. Access to the refill mouth member using the contour line is also possible. At the bottom of the curved seal part, the inclination of both outer edge contour lines, which are upper and lower guide lines, suddenly changes, so that it is possible to sense that the connection point between the refilling mouth member and the pouch has reached the bottom of the curved seal part. The pouch tilting or rotating operation can be started.

  According to the second aspect of the present invention, since the lower end outer edge contour line of the upper nozzle portion seal portion and the upper end outer edge contour line of the lower barrel seal portion are directly connected, the shape of the curved seal portion is simplified. In addition, sensing of the bottom of the curved seal portion is simplified.

  According to the third aspect of the present invention, since the lower end outer edge contour line of the nozzle part seal portion and the upper end outer edge contour line of the trunk portion seal portion are both curved inwardly into the pouch, the guide can be stabilized. Can do.

  According to the fourth aspect of the present invention, the lower end outer edge contour line of the upper nozzle part seal portion is a curve that is recessed inward, and the upper end outer edge contour line of the lower body seal portion is bulged outward. By using the curved line, it is possible to realize the optimum guidance according to the difference in the operation of the operator depending on whether the direction in which the pouch is brought close to the refilling mouth member is approached from above or from below.

  According to the fifth aspect of the present invention, the bottom edge of the curved seal portion is provided with an outer edge contour line having a different shape from the lower end outer edge contour line of the nozzle portion seal portion and the upper end outer edge contour line of the body portion seal portion. This facilitates the design of the guide edge.

  According to the invention described in claim 6, since the other outer edge contour line is constituted by a straight line, a margin can be given to the operation of the operator.

According to the seventh aspect of the present invention, since the other outer edge contour line is constituted by a curved line, the tilting or rotating operation of the pouch can be made smooth.
According to the invention described in claim 8, when the refilling mouth portion of the main body container is a transition cap, a particularly good refilling operation can be realized.
According to the ninth aspect of the present invention, the refill pouch is provided with a recess on the opposite side of the nozzle portion, and this recess is also engaged with the refill port member of the main body container. Therefore, in the final stage of the refill operation, Can be stabilized in an optimal state.
According to the invention described in claim 10, the pouch engaged with the refilling mouth member of the main body container by the curved seal portion is rotationally displaced around the curved seal portion as a refilling operation. Of the upper and lower edges of the nozzle spout, the upper edge protrudes outward from the lower edge, that is, in front of the spout, so that the content liquid flowing out from the spout is released from the restraint from the bottom of the flow passage. However, the flow continues to be restricted from the upper surface of the flow passage, and the direction of the flow of the content liquid is changed downward. As a result, the content liquid flows out toward the center of the pouring guide tube of the main body container, so that it does not spill out of the pouring guide tube. On the other hand, in the final stage of the rotation of the pouch, the pouch reaches directly above the mouth of the main body container, and the outlet of the pouch is aligned with the central axis of the dispensing guide tube at the mouth of the main body container. In this case, however, the upper edge of the spout protrudes downward in the spout guide cylinder, so that the remaining liquid in the pouch concentrates on the top edge of the spout and prevents the liquid from running out. Realize.

According to the eleventh aspect of the present invention, the linear length between the curved seal portion and the depression of the pouch is the engagement portion between the curved seal portion and the depression of the main body container, and the tip of the liquid receiving guide cylinder and the main body container. If it is longer than the straight line length between the edges of the mouth member, when the nozzle is inserted into the mouth member at the end of the rotational displacement of the pouch, the seals on both sides of the nozzle are moved from both sides to the mouth member. The nozzle is pushed toward the center, so that the nozzle outlet is maintained in an open state, and the remaining liquid in the pouch is poured out well.
According to the twelfth aspect of the present invention, it is possible to obtain a refillable pouch container that can be refilled without waste without the content liquid remaining in the pouch container.

Hereinafter, the best mode for carrying out the invention will be described in detail with reference to the drawings.
1 and 2, reference numeral 1 denotes a refillable pouch container (hereinafter abbreviated as pouch 1). The pouch 1 is used for refilling the content liquid into the main body container 2 shown virtually for convenience of explanation in FIG. An inner plug 3 that is a mouth member is fitted to the main body container nozzle portion 20 at the upper end of the main body container 2, and the inner plug 3 has a spout 4, and an annular bank 5 is formed on the outer edge of the spout 4. Is provided. In the middle plug 3 having the dispensing guide tube 7 and the bank 5, an intermediate partition plate 6 is provided across the bank 5, and the center partition plate 6 extends along the center line 8 of the bank 5. Out guide tube 7 extends outward. The dispensing guide cylinder 7 penetrates the partition plate 6 and communicates with the interior 19 of the main body container 2. The dispensing guide tube 7 has a slit 11 formed in the direction of the center line 8 and has a bowl shape, and the partition plate 6 is provided with an air replacement hole 12.
The pouch 1 of the present invention is used when injecting the refilling content liquid into the main body container nozzle 20 of the main body container 2 or injecting into the spout 4 of the inner plug 3 having no extraction guide cylinder 7. In this embodiment, the case of injecting into the main body container 2 having the inner plug 3 having the extraction guide cylinder 7 shown in FIG. 1 will be described.

  The pouch 1 is formed into a bag shape by heat-sealing body members 13 and 14 made of two superposed film-like pouch materials, and, if necessary, a bottom material 15 with a sealing portion 16 at the peripheral edge. The pouch 1 has an upper side 17, a lower side 18, a left side 21, and a right side 22. When the content liquid is not filled, the pouch 1 has a rectangular shape when viewed from the front, and the lower side 18, the left side 21, and the right side 22 are sealed on the lower side. A portion 23, a left side seal portion 24, and a right side seal portion 25 are formed. Since the upper side 17 forms a content liquid filling port between the two body members 13 and 14 in an unsealed state, after the content liquid is filled from here, heat sealing is performed to form a seal portion. In the state where the content liquid is filled, the flexible pouch 1 is deformed, and ridges 26 and 27 bulge outwardly on the body members 13 and 14 are generated. The ridges 26 and 27 are a kind of ridges that are generated from the center of the body of the pouch 1 toward the left and right corners of the upper side 17, and also have an effect of imparting rigidity to the pouch 1. The phenomenon in which the ridge lines 26 and 27 occur is well known in the art. The nozzle portion 10 is formed between the upper side 17 of the pouch 1 and one of the left and right side sides 21 and 22, in this embodiment, the left side 21. The nozzle portion 10 is sealed with a nozzle portion lower seal portion 28 and a nozzle portion upper seal portion 31 on the lower side near the left side 21 and the upper side near the upper side 17, and a hollow liquid is formed between the barrel 13 and the barrel 14. A passage 32 is formed, and the liquid passage 32 communicates with the inside of the body portion 33. The lower end of the nozzle portion lower seal portion 28 is connected to the upper end of the left side seal portion 24 at the left connection seal portion 57, and the lower end of the nozzle portion upper seal portion 31 is the upper side seal formed on the upper side 17 in the future at the upper connection seal portion 58. It connects with a part (not shown). The outer edge 61 and the inner edge 62 of the left connecting seal part 57 that connect the lower seal part 28 of the nozzle part 10 and the left side seal part 24 of the body part 33 may be formed in parallel, but as shown in FIG. The shape of the left connecting seal portion 57 is designed so that the inner edge 62 is located closer to the bottom portion 55 than the intersection point 65 where the outer edge 61 intersects the outer edge 63 of the left seal portion 24 and the inner edge 62 intersects the inner edge 64 of the left side seal portion 24. By doing so, the crossing angle formed by the inner edge 62 of the left connecting seal portion 57 and the inner edge 64 of the left side seal portion 24 is increased, and there is no formation of a recess that causes the remaining liquid of the content liquid to stay between them. Refill without waste. In this embodiment, the left connecting seal portion 57 has a portion that coincides with the curved seal portion 71 having a curved outer edge contour portion. The curved seal portion 71 will be described later.

  It is desirable to form the nozzle portion 10 so that the center line 34 of the liquid passage 32 of the nozzle portion 10 is as close to or coincides with the ridge line 26 as much as possible.

  The nozzle portion 10 is formed to protrude outward from the body portion 33, and the tip thereof is closed by a tab 36. An easy-open guide line 37 is formed between the tab 36 and the nozzle portion 10 at a portion related to the liquid passage 32. When the easy-open guide line 37 is formed so as to be inclined to the center line 34 by an angle θ larger than 90 ° as a whole, as a result, the liquid spout formed by tearing and opening the easy-open guide line 37 is formed. In the shape of 9, the portion 38 near the upper side 17 of the rim of the liquid injection port 9 is located more outward in the direction of the center line 34 than the portion 41 near the left side 21.

  The curved seal portion 71 is formed so as to include all or a lower end portion of the nozzle portion lower seal portion 28 and an upper end portion in the left side seal portion 24. That is, as shown in FIG. 5, the curved seal portion 71 includes a lower end portion of the nozzle portion lower seal portion 28 near the left side 21 of the nozzle portion 10 and an upper end portion of the left side seal portion 24 applied to the left side 21 of the body portion 33. The connecting portion and the vicinity thereof are formed in cooperation with each other, and the curved seal portion 71 is formed between the lower end outer edge contour line 73 that is the outer contour line of the lower end portion of the nozzle portion lower seal portion 28 and the upper end portion of the left side seal portion 24. An outer edge contour line 72 including an outer edge upper end outer edge contour line 74 is recessed inward of the pouch 1 and has a curved shape opened outwardly. It is possible to engage with the edge. At the bottom of the curved seal portion 71 or in the vicinity thereof, the gradient of the lower edge outer edge contour line 73 and the upper edge outer edge contour line 74 is discontinuous between the lower edge outer edge contour line 73 and the upper edge outer edge contour line 74 on the outer edge contour line 72. A change point 75 is provided.

  As an example of the outer edge contour line portion 72 and the change point 75, as shown in FIGS. 5 and 6, the outer edge contour line 72 is configured by directly connecting the lower edge outer edge contour line 73 and the upper edge outer edge contour line 74, A change point 75 may be provided at the connection point between the outer edge contour lines 73 and 74.

  In this case, as shown in FIG. 5, both contour lines 73 and 74 may be curved to be recessed inward of the pouch.

  As shown in FIG. 6, the lower end outer edge contour line 73 may be a curve that is recessed inward of the pouch, and the upper end outer edge contour line 74 may be a curve that bulges outward of the pouch.

  Furthermore, as shown in FIGS. 7 and 8, another outer edge contour line 76 may be interposed between the lower end outer edge contour line 73 and the upper end outer edge contour line 74. In this case, between the other outer edge outline 76 and the upper edge outline 74, or between the other outer edge outline 76 and the lower edge outline 73 (shown in FIG. 7), or another outer edge outline 76. A change point 75 is provided in the middle. In this case, the other contour line 76 is constituted by a curve 77 as shown in FIG. 7 or a straight line 78 as shown in FIG. A plurality of change points 75 may be provided. In the example of FIG. 8, there are two change points, and the change point between the upper edge outline 74 and the other outline 76 tends to engage and pour the pouch into the container mouth. On the other hand, the changing point between the lower edge outer edge contour line 73 and the other outer edge contour line 76 plays a role of preventing the removal after the nozzle is inserted into the container mouth. In the case of the example of FIG. 7, the bottom of the recess (indicated by the lead line 76 (77) in the figure) is the center of rotation when the pouch is engaged with the container mouth and tilted, and the changing point 75 is Effective in preventing nozzles from coming off.

  Further, as shown in FIG. 2, a flange-like depression 52 that can be engaged with the tip of the dispensing guide cylinder 7 of the refilling member of the main body container also in the seal portion of the upper base end 43 near the upper side 17 of the nozzle 10. The linear distance L1 between the intersections of the curved seal portion 71 and the respective normal lines of the bottoms of the recesses 52 is the upper and middle of the liquid dispensing guide tube 7 intersecting the center line 8 of the dispensing guide tube 7. It is equal to or larger than a linear distance L2 connecting the upper end line of the bank 5 of the spout 4 of the plug 3 (L2> = L1). Due to this dimensional relationship, when the nozzle 10 is inserted into the inner plug 3 at the final stage of the rotating operation of the pouch 1 (see FIG. 3C), the nozzles on both sides of the liquid spout 9 of the nozzle portion 10 of the pouch 1 are used. The lower seal part 28 and the nozzle upper seal part 31 are pushed by the spout 4 of the inner plug 3 so that the liquid spout 9 is kept open.

  The film-like pouch material used for the refillable pouch container of the present invention is not particularly limited. Examples of the resin material suitable for constituting the pouch container include crystalline polypropylene, crystalline propylene-ethylene copolymer, crystalline polybutene-1, crystalline poly-4-methylpentene-1, low density polyethylene, and medium density polyethylene. Or polyolefins such as high-density polyethylene, ethylene-vinyl acetate copolymer (EVA), ethylene-ethyl acrylate copolymer (EEA) ion-crosslinked olefin copolymer (ionomer); polystyrene, styrene-pentadiene copolymer Aromatic vinyl copolymers such as: vinyl chloride polymers such as polyvinyl chloride and vinylidene chloride resins; acrylonitrile-styrene copolymers; nitrile polymers such as acrylonitrile-styrene-butadiene copolymers; nylon 6, nylon 66, para or metaxiri Such polyamides N'ajipamido, polyethylene terephthalate, polyesters polytetramethylene terephthalate; various polycarbonates; may be mentioned thermoplastic resins such as polyacetal such as polyoxymethylene or the like. A film-like pouch material made of these materials is used after being unstretched, uniaxially stretched, or biaxially stretched.

  Furthermore, the film-like pouch material used in the refillable pouch container of the present invention can be constituted by laminating these film-like pouch materials in a single layer or by laminating two or more kinds. One kind of pouch material, or two or more kinds of pouch materials can be laminated, and one kind or two kinds or more of these film-like pouch materials and a metal foil such as aluminum, metal or metal oxide A vapor deposition film, paper, cellophane, etc. can also be laminated together. Preferable film-like pouch materials include, for example, a two-layer structure in which a stretched nylon film is an outer layer and a polyolefin film such as low density polyethylene and polypropylene is an inner layer, and a stretched polyester film is an outer layer and a polyolefin film is an inner layer. In addition, 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, and in the production of these laminated films, an adhesive and an anchor agent are added between the layers as necessary. It can also be interposed.

  The refilling operation of the content liquid by the pouch 1 configured as described above is as follows. The body portion 33 filled with the content liquid is heat-sealed at the upper side 17 to form a seal portion, and the pouch 1 is completed.

  In order to refill the content liquid from the pouch 1, first, the tab 36 of the pouch 1 is grasped, the easy-open guide line 37 is torn, and the liquid spout 9 is opened. The pouch 1 is taken up as it is, and the lower end outer edge outline 73 or the upper end outer edge outline 74 of the curved seal portion 71 is engaged with the bank 5 of the inner plug 3 of the main body container 2. Since the opening opening of the curved seal portion 71 is large, the embankment 5 can be received smoothly. (Figure 3a).

  From this state, when the pouch 1 is lowered with the lower end outer edge outline 73 as a guide, or when the pouch 1 is raised with the upper end outer edge outline 74 as a guide, the bank 5 of the inner plug 3 hits the changing point 75. Since the end can be detected, the pouch 1 is then tilted and the content liquid is poured out. When the liquid pours out and the remaining liquid in the pouch 1 is reduced, the rotation of the pouch 1 is most advanced so that the nozzle portion 10 comes directly above the spout 4 of the main body container 2 (see FIG. 3b). In this state, the nozzle portion 10 is inserted between the bottom surface of the bowl-shaped extraction guide cylinder 7 and the bank 5 through the slit of the extraction guide cylinder 7 (FIG. 3c). In this state, as described above, the pouch 1 is pushed from both sides by the discharge guide tube 7 and the bank 5 of the inner plug 3, the liquid outlet 9 of the nozzle part is maintained in an open state, and the remaining liquid flowing down is It concentrates on the portion 38 near the upper edge of the rim line of the liquid pouring outlet 9 of the nozzle portion and gently drops on the pouring guide tube. Thus, the remaining liquid is refilled into the main body container 2 without waste.

  As described above, in the refill pouch 1 of the present invention, the inner solution flows out toward the center of the extraction guide cylinder of the main body container, and therefore does not spill out of the extraction guide cylinder. On the other hand, in the final stage of the rotation of the pouch, the pouch reaches directly above the mouth of the main body container, and the outlet of the pouch is aligned with the central axis of the dispensing guide tube at the mouth of the main body container. In this case, however, the upper edge of the spout protrudes downward in the spout guide cylinder, so that the remaining liquid in the pouch concentrates on the top edge of the spout and prevents the liquid from running out. Realize.

  Utilizing the ridges of the pouch body generated by the deformation of the pouch when the liquid is filled in the pouch, the nozzle is made rigid, and in particular the opening state of the spout is maintained in the first half of the pouch rotation. Realizes smooth outflow of liquid contents.

  The straight line length L1 between the two curved portions (71, 52) of the pouch is a straight line between the tip of the liquid receiving guide cylinder that is an engaging portion with the two curved portions of the main body container and the edge of the mouth member of the main body container. Since the length is longer than L2, when the nozzle is inserted into the mouth member at the end of the rotational displacement of the pouch, the seals on both sides of the nozzle are pushed toward the center from both sides toward the mouth member. Thus, the nozzle spout is maintained in an open state, and the remaining liquid in the pouch is poured out satisfactorily.

  Thus, in the pouch 1 of the present invention, the lower end of the nozzle portion lower seal portion 28 and the left side seal portion 24 of the seal portion of the pouch 1 constitute a curved seal portion 71 curved inward of the pouch 1, The curved seal portion 71 guides the refill pouch 1 when the refill pouch 1 is tilted with respect to the refill port member 3 of the main body container 2. Since the curved opening portion 71 has a wide opening, the curved sealing portion 71 allows the curved sealing portion 71 to accept the edge of the refilling mouth member 3 of the main body container 2 as a refilling operation even for a user who is physically disabled such as the elderly. Is easy.

  In the curved seal portion 71, the lower end outer edge contour line 73 of the nozzle portion seal portion edge on the pouch 1 and the upper end outer edge contour line 74 of the body seal portion edge below the pouch both function as guide lines. Access to the refilling mouth member using any edge is also possible. At the bottom of the curved seal portion 71, the inclination of the upper and lower guide lines changes suddenly at the change point 75, so that it can be detected that the connection point between the refilling mouth member and the pouch has reached the bottom of the curved seal portion. Tilt or rotation operation can be started.

  When the lower end outer edge contour line 73 of the upper nozzle portion seal portion edge and the upper end outer contour contour 74 of the body seal portion are directly connected, the shape of the curved seal portion becomes simple, and the bottom of the curved seal portion is sensed. It will also be easy.

  When the lower end outer edge outline 73 of the nozzle part seal part and the upper end outer edge outline 74 of the body part seal part are curves that are recessed inward of the pouch, the guide can be stabilized.

  When the upper lower edge outer contour line 73 is an inwardly recessed curve and the upper outer edge contour line 74 of the lower body seal portion is an outwardly bulging curve, the pouch is brought closer to the refill mouth. It is possible to realize optimum guidance according to the difference in the operation of the operator depending on whether the direction is close from the top or close from the bottom.

  The guide line can be easily designed by interposing an outer edge contour line 76 having a different shape from the lower end outer line contour line 73 and the upper end outer line contour line 74 at the bottom of the curved seal portion 71.

  When the outer shape outline 76 of another shape is configured by a straight line, a margin can be given to the operation of the operator. When the outer edge contour line 76 of another shape is configured by a curved line, the tilting or rotating operation of the pouch can be made smooth.

  Furthermore, when the refilling mouth portion of the main body container is a transition cap, a particularly good refilling operation can be realized.

  The refill pouch is provided with a recess at the base end on the upper side of the nozzle portion, and this recess also engages the mouth member of the main body container, so that the posture of the pouch is stabilized in an optimum state at the final stage of the refill operation. Can be made.

  The width of the base end portion of the nozzle portion, that is, the linear length between the curved seal portion of the pouch and the recess is larger than the linear length between the edge portions of the mouth member of the main body container. When it is inserted into the mouth member until it is engaged, the seal part on both sides of the nozzle is pushed toward the center of the nozzle, whereby the nozzle spout is maintained in the open state, and the inside of the pouch The remaining liquid is poured out well.

  As is clear from the above description, according to the present invention, the wide opening opening of the curved seal portion is used to engage the spout of the main body container, and the refilling pouch container is refilled from the beginning to the end of the refilling operation in the refilling pouch container. A refillable pouch container that can guide the rotation and can smoothly refill the content liquid can be obtained.

Front view of a refillable pouch container Part A enlarged view in FIG. Explanatory drawing which shows the refilling operation | movement of the pouch container for refilling Front partial view of other refillable pouch containers Front view of other refillable pouch containers Front view of other refillable pouch containers Front view of other refillable pouch containers Front view of other refillable pouch containers

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Pouch 2 Main body container 3 Inner plug 4 Outlet 5 Embankment 6 Middle partition plate 7 Outlet guide tube 8 Center line 9 Liquid outlet 10 Nozzle part 11 Slit 12 Air replacement hole 13 Body 14 Body 15 Bottom material 16 Seal Part 17 Upper side 18 Lower side 19 Internal 20 Main body container nozzle part 21 Left side 22 Right side 23 Lower side seal part 24 Left side seal part 25 Right side seal part 26 Ridge line 27 Ridge line 28 Nozzle part lower seal part 31 Nozzle part upper seal part 32 Liquid path 33 Body 34 Center line 36 Tab 37 Easy opening guide line 38 Upper side portion 41 Left side side portion 44 Upper end 52 Depression 55 Bottom portion 57 Left connection seal portion 58 Upper connection seal portion 61 Outer edge 62 Inner edge 63 Outer edge (left side) Side seal part 24)
64 Inner edge (on the left side seal part 24)
65 intersection (outer edge intersection)
66 Intersection (Inner Edge Intersection)
71 Curved seal portion 72 Outer edge contour line 73 Lower edge contour line 74 Upper edge contour line 75 Change point 76 Other contour line 77 Curve 78 Straight line

Claims (12)

A pouch container that contains a content liquid to be refilled in a main body container in which a body part and a nozzle that communicates with the body part and a nozzle that communicates with the film pouch material that are superimposed are sealed in a seal part,
The nozzle portion, in which the liquid passage communicates with the inside of the barrel portion, is formed by protruding from the barrel portion between the upper side and one side side of the pouch container, and in the vicinity of the outer front end portion of the nozzle portion An easy-open guide line for the liquid passage that forms a spout in the nozzle part, and a seal part and a nozzle part seal part on the side near the one side of the nozzle part. The main body container is refilled by connecting a portion of the body portion with the body seal portion on the one side of the body portion and a portion in the vicinity thereof to be recessed inwardly of the pouch and opening outward. A curved seal portion engageable with an edge portion of the mouth member, and an outer edge contour line of the trunk portion seal portion and an outer edge contour line of the nozzle portion seal portion at or near the bottom of the curved seal portion; Provide a discontinuous point of the outer edge contour slope between Pouch container for refill, wherein the Rukoto.   In the curved seal portion, the outer edge contour line of the trunk portion seal portion and the outer edge contour line of the nozzle portion seal portion are directly connected, and the outer edge contour line of the trunk portion seal portion and the outer edge contour line of the nozzle portion seal portion 2. The refillable pouch container according to claim 1, wherein discontinuous points of the gradient are formed therebetween.   The outer edge contour line of the trunk portion seal portion and the outer edge contour line of the nozzle portion seal portion in the curved seal portion are both curves that are recessed inward of the pouch container. The refillable pouch container according to any one of the above.   An outer edge contour line of the body seal portion in the curved seal portion is a curve that bulges outward of the pouch, and an outer edge contour line of the nozzle portion seal portion is a curve that is recessed inward of the pouch. The refillable pouch container according to claim 1, wherein the pouch container is a refillable pouch container.   The outer edge contour line of the trunk portion seal portion and the outer edge contour line of the nozzle portion seal portion in the curved seal portion are connected via another outer edge contour line of the seal portion, and the other outer edge contour line. There are discontinuous points of the gradient between the outer edge contour line of the body seal part, between the other outer edge contour line and the outer edge contour line of the nozzle part seal part, or in the middle of the other outer edge contour line. The refillable pouch container according to claim 1, which is formed.   6. The refillable pouch container according to claim 5, wherein the other outer edge contour line is a curved line.   6. The refillable pouch container according to claim 5, wherein the other outer edge contour line is a straight line.   The refilling pouch container according to any one of claims 1 to 7, wherein the refilling mouth member of the main body container is a transition cap.   A flange-like depression is formed in the seal portion of the proximal end portion near the upper side of the nozzle portion and is open outward and engageable with the distal end portion of the extraction guide tube of the refilling mouth member of the main body container. The refillable pouch container according to any one of claims 1 to 8, wherein the pouch container is a refillable pouch container.   Of the lip of the spout formed by tearing the easy-open guide line, the portion closer to the upper side is located more outward in the center line direction of the nozzle portion than the portion closer to the side. 10. A refillable pouch container according to any one of claims 1 to 9, characterized by the following.   The distance between the curved seal portion and the recessed portion is equal to or greater than the length of a straight line connecting the tip of the pouring guide tube and the upper end of the bank that intersects the center line of the pouring guide tube. 10. A refillable pouch container according to claim 9, wherein   The outer edge of the connecting seal portion is a side seal portion in a connecting seal portion that connects a base end portion seal portion that seals the base end portion near the side of the nozzle portion and a side seal portion that seals the side. The intersection point where the inner edge of the connecting seal part intersects the inner edge of the side seal part is located closer to the bottom part of the pouch container than the intersection point intersecting with the outer edge. Refillable pouch container

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