JP6186823B2 - Refill container - Google Patents

Description

  The present invention relates to a refill container for storing toiletries such as liquid detergents, softeners, shampoos and rinses, foods such as edible oil and instant coffee.

  Toiletries such as liquid detergents and softeners, and foods such as edible oil and instant coffee are stored in dedicated containers that are easy to use. The dedicated container has a solid structure and is therefore expensive, so a product with a refill container that refills only the contents is sold separately so that it can be used repeatedly when the contents are gone. It is often done.

  For example, liquid detergent containers need to be weighed and taken out each time they are used, so a rigid plastic container with a nozzle at the spout is repeatedly used so that it can be easily poured into a lightweight cup. Used as a container. In contrast to this container, as a refilling container for replenishing the contents, a flexible container made of a flexible packaging film, a container in which a spout is formed, or a container attached with a stopper is generally used. ing.

  A rigid container that is used repeatedly is designed so that it can be easily poured out.Therefore, in consideration of the convenience of the refilling operation of refilling the contents from the refilling container, There wasn't.

  On the other hand, the refill container is not always considering the convenience of the refilling operation because the emphasis is on manufacturing at low cost.

  The refill container can be opened using the nozzle provided in the container to be used repeatedly, and since the refill container is self-supporting during refilling, it does not need to be held by hand. Containers have been proposed. This hand-held refillable container is a refillable container including a coupling member that is detachably connected to an opening of a container that is repeatedly used and a container sealing member that seals the refillable container body (see Patent Document 1). .

  Since the refill container described in Patent Document 1 uses two members, ie, a coupling member and a container sealing member, in the cap portion in order to couple the reusable container and the refill container, the cost of the container is high. It must be a thing. In addition, since the refill container is used by screwing it into the opening of the container to be used repeatedly, the connection between the two is reliable. There was a drawback of being.

  From the viewpoint of cost, a packaging bag in which the peripheral edges of two front and back packaging films as shown in FIG. 5 are sealed is advantageous. This refill packaging bag can be provided with a spout having an arbitrary width corresponding to the caliber of the container. However, when the spout is formed by sealing the edges of the two front and back films, During the refilling operation, the opening is pulled to both ends where the seals are sealed, the front and back films are in a pseudo-adherent state, and the spout is clogged. However, there is a problem that the spout is detached from the container that is repeatedly used.

In order to solve the problem that the spout is blocked or bent, a part different from the film is inserted into the spout (see Patent Document 2), or the film near the spout is inflated. Many have been proposed to secure the opening area by making the shape (
(See Patent Document 3).

  However, these packaging bags have the problem that the process of attaching separate members and the process of applying deep embossing to the film increase, and that the packaging bags cannot be neatly stacked in the packaging bag supply section at the time of filling. The problem and the basic problem that the spout formed by sealing the two front and back films has a sealing part at both ends, so the opening width becomes narrow accordingly and a sufficient opening area cannot be secured. was there. If a sufficient opening area cannot be secured, the time required for dispensing at the time of refilling will become long.

  In order to solve this problem, there has been proposed a packaging bag in which a film constituting the packaging bag is bent to form one side of the spout and the sealing portion of the spout is only one side (see Patent Documents 4 and 5). ).

  In the case of a packaging bag composed of a film in which one side of the spout is bent as shown in Patent Documents 4 and 5, there is a problem that the spout is blocked and a problem that the opening area of the spout is insufficient. However, as can be seen from the spout of the flexible packaging bag shown in Patent Document 5, when the spout is set at an angle in consideration of the ease of operation during spout, the opening operability It has been found that there is a problem that becomes unstable.

  FIG. 6 (1) is a view showing the flexible packaging bag disclosed in Patent Document 5, and FIG. 6 (2) is an enlarged view of the spout portion. This soft packaging bag which is the application of the present applicant is provided with a dot-like scratch processing c provided so as to cover the cut line a, the V-shaped cutout b, and the cut line a at the spout portion. However, when the position of the V-shaped notch b is slightly shifted, the tear of the packaging bag is detached from the cut line a and cannot be opened at the original position of the cut line a. It was found that could occur.

JP 2004-99082 A Japanese Patent Laid-Open No. 5-132069 Patent No. 4110940 Japanese Patent Laid-Open No. 11-236053 JP 2008-18991 JP 2011-255947 A

  The refill container described in Patent Document 6 filed by the present applicant has been made to solve this problem, and has a plurality of flaw lines along a planned opening line inclined with respect to the bent portion. It is characterized in that it is subjected to an easy-cutting process, and further, the leading end of the opening cut line is bent in a direction parallel to the planned opening line.

  According to the refill container described in Patent Document 6, the problem that the tear of the packaging bag falls off from the planned opening line at the time of opening is improved. As a result of the arrangement of the scratch line, the strength of the laminate in this part is weakened, and it turns out that there are problems such as scratches due to friction with the cardboard case during packing, and pinholes in some cases did.

The problem to be solved by the present invention is that a refilling container having a bent portion capable of forming a large-area spout without using a separate member such as a plug, the opening operation of the spout is reliable, and The present invention proposes a refill container in which the fragility of the ridge portion of the bent portion is enhanced.

As a means for solving the above-mentioned problems, the invention according to claim 1 is characterized in that a single laminate having at least a base material and a sealant layer is bent with the sealant layer inside, and the bent portion and the main body surface are laminated. A refill container formed by forming a body and a main body back surface laminate and heat-sealing the periphery,
The bent portion, together with the main body surface laminate, the main body back laminate and the pouring nozzle seal portion, forms a pouring nozzle for pouring the contents,
The dispensing nozzle is heat sealed at its tip to form a dispensing nozzle tip seal portion, and is scheduled to be opened with an opening knob separated and formed by the opening cut line provided in the dispensing nozzle seal portion. The spout is formed by cutting along the line,
The opening scheduled line is inclined relative to the edge line of the bent portion, the nozzle portion pouring including opening scheduled line, a plurality of half-cut line is subjected to parallel to the opening scheduled line, leaving infusion A lubricating varnish layer is provided on the bent portion including a portion where the plurality of half-cut lines intersect with the ridge line of the bent portion from the nozzle tip seal portion , and a lubricating property is provided below the extraction nozzle of the plurality of half-cut lines. The refill container is characterized in that no varnish layer is provided .

  The refill container according to the present invention is provided with a lubricating varnish layer on the ridgeline portion of the bent portion that becomes fragile as a result of being subjected to a plurality of half-cut lines. Will not occur.

  Further, in the invention described in claim 2, a laminate having at least a base material and a sealant layer is bent with the sealant layer facing outward to form a bottom tape, and between the main body surface laminate and the main body back laminate. The refill container according to claim 1, wherein the refill container has a standing pouch shape that is inserted into the container and sealed at the periphery.

  The invention according to claim 3 is the refill container according to claim 1 or 2, characterized in that a part of the bent portion is cut open to form a content filling opening.

  The refill container according to the present invention is formed by bending a single laminate having at least a base material and a sealant layer with the sealant layer on the inside to form a bent portion, a main body surface laminate, and a main body back laminate. Because it is a refillable container that seals, unlike plastic bottles or containers that use plastic spigots, it can be manufactured only from the laminate for flexible packaging, and can be manufactured at low cost. .

  In the refill container according to the present invention, one laminate is folded with the sealant layer on the inside to form a folded portion, and the folded portion includes the body surface laminate, the body back laminate, and the note. Since the dispensing nozzle for pouring out the contents was formed together with the dispensing nozzle seal part, it became possible to stably secure a large area outlet, and as a result, smooth and quick refilling operation became possible. . Further, the spout can be formed easily and reliably.

  In addition, the refill container according to the present invention has a good operability when the content liquid is poured out by inclining the container because the scheduled opening line forming the spout is inclined with respect to the bent portion.

  In addition, a plurality of half-cut lines parallel to the planned opening line are provided on the planned opening line, and the tip of the opening cut line is bent in a direction parallel to the planned opening line. When the knob is pulled up, the tear of the laminate naturally proceeds along the planned opening line, and it is possible to easily and reliably form the spout at a predetermined position.

Conventionally, the half cut lines formed in the laminate on the front and back surfaces are concentrated on the ridge line of the bent part, so this part was easily rubbed and fragile, but a lubricious varnish layer was provided on this part As a result, the fragility was improved, and scratches and pinholes were not generated due to rubbing even when stored in a cardboard case and transported.

  As in the invention described in claim 2, a single laminate having at least a base material and a sealant layer is folded with the sealant layer outside to form a bottom tape, and between the main body surface laminate and the main body back laminate. In the case of a standing pouch shape that is inserted and sealed at the periphery, it is possible to provide a large-capacity refill container that is self-supporting, and the features of the present invention can be fully utilized.

  Further, as in the third aspect of the invention, when a part of the bent portion is cut open to form the content filling opening, the other sealing portion cannot be used as the filling opening. Even in this case, a stable filling operation is possible.

  In the refill container according to the present invention, when the nozzle of the container to be used repeatedly having a nozzle cap can be inserted into the pouring nozzle, the nozzle of the container to be used repeatedly is inserted into the pouring nozzle held horizontally. By tilting the container so that the dispensing nozzle is vertical, a refill container that enables quick refilling is obtained, and the effect of the present invention is maximized. That is, the refill container according to the present invention naturally opens the spout due to the presence of the folded portion obtained by folding one laminated body, so that it is easy to insert the nozzle of the target container, and pour it in accordance with the nozzle. By designing the size of the outlet, it is possible to make the spout exactly fit the nozzle. For this reason, after inserting the nozzle of the container to be repeatedly used into the pouring nozzle held horizontally, the refilling operation can be performed quickly by tilting so that the pouring nozzle becomes vertical.

FIG. 1 is a schematic view showing an embodiment of a refill container according to the present invention. FIG. 2 is a schematic cross-sectional view showing the X-X ′ cross section of FIG. 1, and shows the layer structure of the laminate constituting the refill container. FIG. 3 is an enlarged explanatory view showing details of the dispensing nozzle portion of FIG. 1. FIG. 4 is an explanatory plan view showing a state before the laminated body is bent. FIG. 5 is a schematic view showing an example of a conventional refill container. FIG. 6 is a schematic diagram showing the soft packaging bag described in Patent Document 5 and its spout.

Hereinafter, the refill container according to the present invention will be described in detail with reference to the drawings.
FIG. 1 is a schematic view showing an embodiment of a refill container according to the present invention. FIG. 2 is a schematic cross-sectional view showing the XX ′ cross section of FIG. 1, and shows the layer structure of the laminated body constituting the refill container. FIG. 3 is an enlarged explanatory view showing details of the dispensing nozzle portion of FIG. 1. FIG. 4 is an explanatory plan view showing a state before one laminated body is bent.

A refill container (1) according to the present invention is a refill container comprising a laminate (10) having at least a base material (11) and a sealant layer (12), as shown in FIG. Is a refillable container formed by bending the laminate with the sealant layer on the inside to form a bent portion (6), a body surface laminate (2), and a body back laminate (3), and sealing the periphery. .

  The bent portion (6) forms a pouring nozzle (32) for pouring the contents together with the main body surface laminate (2), the main body back surface laminate (3) and the pouring nozzle seal portion (24). The tip of the discharge nozzle (32) is sealed by the discharge nozzle tip seal portion (25), and the discharge port (31) is formed by cutting along the planned opening line (36).

  An unsealing knob (34) formed separately by an unsealing cut line (35) provided in the dispensing nozzle seal portion (24) is formed below the dispensing nozzle tip seal portion (25). By holding the opening knob (34) and cutting along the planned opening line (36), the spout (31) is formed.

  A plurality of half-cut lines (33) parallel to the planned opening line (36) are provided on the dispensing nozzle portion including the planned opening line (36), and the leading end of the opening cut line is a half-cut line. It is bent in the direction parallel to (33).

  The 1st characteristic in the refill container which concerns on this invention is having a bending part (6). The bent portion (6) is formed by bending one laminated body at the top with the sealant layer (12) inside, and the bent portion (6) is a pouring nozzle provided at the lower portion of the bent portion. Together with the seal portion (24), the main body surface laminate (2), and the main body back surface laminate (3), an outflow passage for contents reaching the spout (31) is formed. Due to the elastic action of the laminated body to return in the bent part (6), the cross section of the outflow path is always in a state where the upper part is swollen. For this reason, it becomes possible to ensure the cross-sectional area of the spout (31) widely, and it becomes possible to discharge a large amount of contents at once.

  Further, as a second feature of the refill container according to the present invention, a scheduled opening line having an opening knob (34) separated and formed by an opening cut line (35) provided in the dispensing nozzle seal portion (24). The spout (31) is formed by cutting along (36), and the planned opening line (36) is inclined with respect to the ridge line (7) of the bent portion (6), and the planned opening line A plurality of half-cut lines (33) parallel to the expected opening line (36) are provided in the dispensing nozzle portion including the.

  The tip of the opening cut line is bent in a direction parallel to the half-cut line (33), and the cut of the laminate starting from the tip of the opening cut line is surely made into the half-cut line (33). Along the way, it is surely opened.

  The third feature of the refill container according to the present invention is that a lubricating varnish layer (5) is formed on a bent portion including a portion where a plurality of half-cut lines (33) intersect with a ridge line (7) of the bent portion (6). ) Is provided. Since the half-cut lines (33) applied to the front and back surfaces are concentrated on the ridge line portion of the bent portion, the slipping and the slippage become worse, but the stage of the packaging bag before filling the contents and the contents When the product is stored in a cardboard case and transported at the stage where the package has been filled, this part is easily rubbed due to vibration, and if it is damaged or severe, a pinhole may be formed. There was something to do.

  By providing the lubricating varnish layer (5) in the bent portion (6), there is an effect of preventing the occurrence of rubbing and pinholes. As the lubricating varnish layer (5), a lubricating varnish in which wax or silicone is added as a lubricant to a transparent varnish having adhesion to the substrate (11) of the laminate (10) can be used.

The lubricating varnish can also be prepared by adding a lubricant to the varnish of the ink used for printing the soft packaging material. Examples of such ink varnishes include ink varnishes in which a known binder resin such as acrylic resin, urethane resin, vinyl chloride resin, polyamide resin, nitrocellulose resin, polyester resin, etc. is used alone or in combination. Can be used.

  The lubricating varnish layer (5) is preferably provided after the half-cut line (33) is formed, but can also be provided before the half-cut line (33) is formed.

  If the opening knob (34) is formed by a V-shaped cut or the like, it is completely separated from the spout seal part, so it may hang around and be caught unnecessarily. When it is formed by a score line as in the invention, there is an advantage that it is not hung.

  In the embodiment shown in FIG. 1, the bottom tape (4) is inserted between the main body surface laminate (2) and the main body back laminate (3), and the side seal portion (22) and the bottom seal portion ( 23) is heat sealed to form a standing pouch. The second half of the bent portion (6) is cut open to form a content filling opening (41).

  A point seal portion (26) is provided between the bent portion (6) and the content filling opening (41) so that the bent portion (6) is not torn in the filling step.

  The standing pouch-shaped container can be easily made into a large-capacity container because the bottom tape (4) spreads out. Therefore, the feature that the pouring time in the refill container according to the present invention is short can be fully utilized.

  The planned opening line (36) is a virtual line indicating the opening position, but in order to clarify the opening position, printing display or the like may be actually performed. Moreover, a half cut line (33) is provided in the extraction nozzle part containing an opening planned line so that it may be parallel to an opening planned line. The half-cut line is preferably a half-cut line provided continuously on the outer surface of the main body surface laminate (2) and the main body back laminate (3). By doing so, it becomes possible to easily form the spout (31) by tearing the portion of the planned opening line (36) by hand. As the type of laser for forming the half-cut line, a carbon dioxide laser is preferable.

  As a laminated body used for the refill container according to the present invention, a laminated body usually used for flexible packaging bags can be used. As the substrate (11), paper, metal foil or synthetic resin film consisting of one layer or several layers is used. For example, low density polyethylene resin (LDPE), high density polyethylene resin (HDPE), linear low density polyethylene resin (LLDPE), polypropylene resin (PP), polyolefin resin such as polyolefin elastomer, polyethylene terephthalate resin (PET), polyester resins such as polybutylene terephthalate resin (PBT), polyethylene naphthalate resin (PEN), cellulose resins such as cellophane and cellulose triacetate (TAC), polymethyl methacrylate (PMMA) resin, ethylene- Vinyl acetate copolymer resin (EVA), ionomer resin, polybutene resin, polyacrylonitrile resin, polyamide resin, polystyrene resin (PS), polyvinyl chloride resin (PVC), polyvinylidene chloride Resin (PVDC), polycarbonate resin (PC), fluorine-based resin, synthetic resin films and paper, such as urethane resin, a metal foil or the like alone or be used in combination. The substrate (11) includes a printing layer and an adhesive layer as necessary.

As the paper, high-quality paper, piece art paper, coated paper, cast coated paper, imitation paper, and the like can be used. When paper is used for the laminate, cracking may occur in the paper due to deep embossing, so when using it for the refill container according to the present invention, streak embossing is adopted as convex embossing and concave embossing By doing so, the laminated body using paper can be used stably. It is also effective to use paper from the viewpoint of environmental considerations.

  As the sealant layer (12), a polyolefin resin is generally used. Specifically, a low density polyethylene resin, a medium density polyethylene resin, a linear low density polyethylene resin, an ethylene / vinyl acetate copolymer, ethylene・ Ethylene resins such as α-olefin copolymers, polypropylene resins such as homopolypropylene resins, propylene / ethylene random copolymers, propylene / ethylene block copolymers, and propylene / α-olefin copolymers are used. . In addition, a multilayer film in which these resins are combined may be used.

  Specific examples of the structure of the laminate include a film composed of PET / printing layer / adhesive layer / stretched polyamide resin film (hereinafter abbreviated as ONY) / adhesive layer / LLDPE, and ONY / adhesive layer / LLDPE. , ONY / adhesive layer / ONY / adhesive layer / LLDPE, paper / LDPE / aluminum foil / LDPE, paper / LDPE, and the like.

  In order to manufacture the refill container shown in FIG. 1, the laminated body which is slit to a width approximately twice the width corresponding to the height of the container is folded and opposed at the top with the sealant layer surface inside, and the body surface A laminated body (2) and a back body laminated body (3) are continuously supplied, and in the meantime, a bottom tape (4) folded in half so that the surface of the sealant layer is on the outside is continuously supplied. After performing a good seal, it is punched into a container.

Thus, the refill container according to the present invention can secure a large-area spout without using a special plastic spigot, and the size of this spout is: Since it can be designed freely according to the shape of the stopper of the intended repeated use container, it is extremely valuable as a dedicated refill container capable of quick refill operation.
Hereinafter, based on an Example, the refill container which concerns on this invention is demonstrated more concretely.

A laminate having the following configuration was used as the main body surface laminate and the main body back laminate.
<Configuration of laminate>
ONY (15 μm) / printing layer / adhesive layer / aluminum-deposited PET (12 μm) / adhesive layer / LLDPE (120 μm)
The laminated body which consists of the following structures was used as a bottom tape.
<Configuration of laminate>
ONY (15 μm) / LLDPE (120 μm)

  Using the above laminate, a standing pouch having the shape shown in FIG. 1 was produced. As the filling opening, a part of the bent portion was cut to form a filling opening. In addition, five straight half-cut lines by laser processing were provided in a portion including a planned opening line to be a spout at the tip of the spout nozzle. Further, an opening cutting line was provided in the dispensing nozzle seal part, and the tip thereof was bent in a direction that coincided with the angle of the half-cut line.

  After providing the half-cut line, apply a lubricious varnish based on urethane / vinyl chloride-based ink varnish on the surface of the laminate where the half-cut line and the ridge line of the bent part intersect to provide a lubricous varnish layer It was.

  When the produced packaging bag was stored in a cardboard case and subjected to a transportation test, there was no sample in which a defect occurred in the bent portion.

DESCRIPTION OF SYMBOLS 1 ... Refill container 2 ... Main body surface laminated body 3 ... Main body back surface laminated body 4 ... Bottom tape 6 ... Bending part 7 ... Bending part ridgeline 10 ... Laminated body 11 .... Base material 12 ... Sealant layer 21 ... Top seal part 22 ... Side seal part 23 ... Bottom seal part 24 ... Discharge nozzle seal part 25 ... Discharge nozzle tip seal part 26 ... Point seal part 31 ... Outlet 32 ... Outlet nozzle 33 ... Half cut line 34 ... Opening knob 35 ... Opening cut line 36 ... Opening scheduled line 41 .... Contents filling opening a ... cut line b ... V-shaped notch c ... dot-like scratch processing

Claims (3)

A refill container formed by bending a laminate having at least a base material and a sealant layer with the sealant layer inside to form a bent portion, a body surface laminate, and a body back laminate, and heat-sealing the periphery. Because
The bent portion, together with the main body surface laminate, the main body back laminate and the pouring nozzle seal portion, forms a pouring nozzle for pouring the contents,
The dispensing nozzle is heat sealed at its tip to form a dispensing nozzle tip seal portion, and is scheduled to be opened with an opening knob separated and formed by the opening cut line provided in the dispensing nozzle seal portion. The spout is formed by cutting along the line,
The opening scheduled line is inclined relative to the edge line of the bent portion, the nozzle portion pouring including opening scheduled line, a plurality of half-cut line is subjected to parallel to the opening scheduled line, leaving infusion A lubricating varnish layer is provided on the bent portion including a portion where the plurality of half-cut lines intersect with the ridge line of the bent portion from the nozzle tip seal portion , and a lubricating property is provided below the extraction nozzle of the plurality of half-cut lines. A refill container characterized in that no varnish layer is provided .   Standing comprising a laminate having at least a base material and a sealant layer, folded with the sealant layer on the outside to form a bottom tape, and inserted between the body surface laminate and body back layer laminate to seal the periphery. The refill container according to claim 1, which has a pouch shape.   The refill container according to claim 1 or 2, wherein a part of the bent portion is cut open to form a content filling opening.

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