JP4837911B2 - Pouch container - Google Patents

Description

  The present invention relates to a large-capacity pouch container filled with a liquid beverage such as a soft drink or a liquid or a viscous material such as food, medicine, or detergent, and more particularly, to a pouch container having a finger hole for carrying.

  In recent years, as a container filled with liquid beverages such as soft drinks and liquid detergents, a bag-like container body having a gusset portion is formed by a flexible sheet having an inner surface laminated with a synthetic resin film with aluminum foil and the like having thermal adhesiveness. A pouch container with a spout, which is formed and attached with a spout capable of opening and closing a mouth portion serving as a spout or a mouthpiece with a screw cap or the like, has come to be used.

As shown in FIGS. 6 and 7 , such a spout pouch container has a side gusset in which a container body 51 is folded inward from both sides of a pair of front and back exterior sheets 52, 52 and both exterior sheets 52, 52. A pair of left and right gusset sheets 53, 53 forming a portion, and the peripheral portions of the gusset sheets 53, 53 are heat sealed to the exterior sheets 52, 52, and the upper and lower edges of the exterior sheets 52, 52 are The spout 54 that is heat-sealed (the shaded display area in FIG. 7 is a heat-seal area) and is formed in a bag shape and the mouth part of which can be opened and closed by the screw cap 55 is fixed to the fixed part. 56 is heat-sealed at the upper edge of the exterior sheets 52 and 52 in a state of being inserted between the exterior sheets 52 and 52.

  Particularly, in the case of a large-capacity pouch container 50 with a spout having an internal capacity of about 1 to 2 liters, the upper part of the heat seal area between the exterior sheets 52 and 52 and the gusset sheet 53 is placed outside so as to be easy to carry. The tongue piece 51b is formed by making a semicircular arc cut 51a in the protruding portion, and the tongue piece 51b is pushed into one side with a finger to form a finger hook hole fh. A finger is put on the finger hook hole fh, and the pouch container 50 with a spout can be carried with the finger suspended.

JP 2000-25793 A

  However, in the pouched container 50 with a spout as described above, the part where the finger hook hole is formed is only that the exterior sheet 52 and the gusset sheet 53 are heat sealed to each other. When a flaw is directly punched or a cut 51a capable of forming a finger hook hole fh is placed, if a fine crack is formed in the finger hook hole fh or the cut 51a, the container body 51 is easily broken from the crack. There is a problem such as. In particular, in the large-capacity pouch container 50 with a spout filled with a heavy content, there is a problem that the container main body 51 is liable to be broken by the weight when the finger is suspended in the finger hook hole fh.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a pouch container having such a side gusset portion, which is difficult to break from a finger hook hole or a cut portion where a finger hook hole can be formed.

To solve the problems above SL, the invention according to claim 1, having a gusset sheet forming the gusset from the front and rear pair of outer sheet and the sides of the both outer sheets are folded inwardly, the gusset sheet A peripheral edge is heat-sealed to the exterior sheet and the outer periphery of the exterior sheet that is not heat-sealed is formed into a bag shape by heat-sealing each other, and the exterior sheet and the gusset sheet In the heat seal portion, a tongue piece is formed by making a cut, and small holes connected to both ends of the cut are formed, and a finger hook hole is formed by raising the tongue piece In the pouch container thus configured, the diameter of the small hole formed in the exterior sheet is equal to the diameter of the small hole formed in the gusset sheet. It is set also small, around the stoma is to provide a pouch container, wherein a pair of front and back the outer sheet together are heat sealed to each other.

In order to solve the above problems, according to the second aspect of the present invention has a gusset sheet forming the gusset from the front and rear pair of outer sheet and the sides of the both outer sheets are folded inwardly, the gusset sheet The outer peripheral part of the outer sheet is heat sealed to the outer sheet and the outer peripheral part of the outer sheet that is not heat sealed is formed into a bag shape by mutual heat sealing, and the outer sheet and the gusset sheet In the pouch container in which a tongue piece is formed by making a cut having a small curved portion at both ends in the heat seal portion, and a finger hook hole is formed by raising the tongue piece The curved portion of the cut formed in the gusset sheet is more easily cut than the curved portion of the cut formed in the exterior sheet. Is formed wider, the periphery of the curved portion of the cuts is to provide a pouch container, wherein a pair of front and back the outer sheet together are heat sealed to each other.

As described above, in the pouch package of the invention according to claim 1, the diameter of the small holes formed in the outer sheet is, is set to be smaller than the diameter of the small holes formed in the gusset sheet, around the stoma Since a pair of front and back exterior sheets are heat-sealed with each other, a crack is formed at the periphery of the small hole formed in the exterior sheet, and even if the exterior sheet starts to break from the crack, The gusset sheet that is heat sealed to the exterior sheet does not extend beyond the peripheral edge of the small hole.

Further, the pouch container of the invention according to claim 2, the curved portion of the cuts formed in the gusset sheet, compared to the curvature of the cuts formed in the outer sheet, cuts itself are formed wider, cuts Since a pair of front and back exterior sheets are heat-sealed with each other around the curved portion, a crack is formed at the periphery of the curved portion in the cut formed in the exterior sheet, and the exterior sheet starts to break from the crack. Even so, the broken portion does not extend beyond the peripheral edge of the curved portion in the cut formed in the gusset sheet heat-sealed to the exterior sheet.

Furthermore, the pouch container of the invention according to claims 1 and 2, when the previously formed downward tongue by cuts, while forming a finger Kakeana as push with a finger the tongue to one side, Hang your finger on the finger hole and carry the pouch container while hanging it with your finger. The finger should not touch the cut incision, but the proximal end of the raised tongue piece Therefore, even when carrying a large-capacity pouch container that has a good touch and is filled with a heavy content, the finger that is hung on the finger hole does not hurt.

Hereinafter will be described with reference to FIGS. 1 and 2 the basic structure of the present invention. Uni I are shown in the figure, spouted pouch package 1 of the present invention, laminating a polyester film or the like obtained by laminating gas barrier sheet such as aluminum foil to the outer surface of the synthetic resin film having a heat-adhesive such as polyethylene or polypropylene A large-capacity container body 10 having an internal capacity of about 1000 to 4000 cc formed by a flexible sheet and a spout 20 formed by a thermoadhesive resin attached to the container body 10. .

  The container body 10 includes a pair of front and back exterior sheets 11 and 11 and a pair of left and right gusset sheets 12 and 12 that are folded inward from both sides of both exterior sheets 11 and 11 to form left and right side gusset portions. The inner peripheral edges of the folded gusset sheets 12, 12 are heat sealed to the inner surfaces of the exterior sheets 11, 11, and the upper and lower edges of the inner surfaces of the exterior sheets 11, 11 are heat sealed to each other. By doing so, it is formed in a bag shape.

One side gusset portion in the container main body 10 has an upper heat seal portion in which a pair of front and back exterior sheets 11 and 11 and a gusset sheet 12 are heat-sealed to each other, and this overhanging heat seal. When carrying the spout pouch container 1 with the spout, a finger hooking hole for carrying and hanging it with a finger is formed in the portion.

Further, as shown in FIG. 2, the gusset sheets 12 and 12 are formed with cut portions 12a and 12a at the upper corners on the joint edge side in a folded state. In the cut portions 12a and 12a , The exterior sheets 11 are heat-sealed with each other. As described above, the cut portion 12a is formed in the gusset sheet 12 by fixing both ends of the upper edge portion of the exterior sheet 11 to each other, so that the container body 10 when the contents are filled has a predetermined shape (see FIG. 1).

  The spout 20 is made of polyethylene, polypropylene, or the like, and has a fixing portion 21 attached to the bag-shaped container body 10 and a mouthpiece or spout that can be opened and closed by a screw cap 22 provided on the fixing portion 21. In the state where the adhering portion 21 is sandwiched between the upper edge portions of the pair of front and back exterior sheets 11, 11, the side surfaces thereof are heat sealed to the upper edge portions of the exterior sheets 11, 11. ing.

As shown in FIG. 3 (a), a semi-arc-shaped cut 14 for forming a downward tongue piece 15 is formed in the heat seal portion of the exterior sheet 11 and the gusset sheet 12, and this tongue piece. The finger hook hole is formed by raising 15. And the small hole 16 connected to the both ends of the cut 14 is formed so that it may not fracture from both ends of the cut 14.

  The small holes 16 are set such that the size of the small holes 16a formed in the exterior sheet 11 is smaller than the size of the small holes 16b formed in the gusset sheet 12, as shown in FIG. A pair of front and back exterior sheets 11 are heat-sealed around the small holes 16. In FIG. 2B, the dark shaded display area indicates the heat seal area between the exterior sheets 11, and the thin shaded display area indicates the heat seal area between the exterior sheet 11 and the gusset sheet 12. .

  Therefore, even if a crack is formed in the peripheral edge of the small hole 16a formed in the exterior sheet 11 and the exterior sheet 11 starts to break from the crack, the fractured portion is a gusset sheet that is heat-sealed to the exterior sheet 11. It does not extend beyond the peripheral edge of the twelve small holes 16b, and damage to the container body 10 can be minimized.

As described above, in place of the incision 14 with both ends connected to the small hole 16, 16, as shown in FIG. 4 (a), also forming a cut 14 with a small curved portion 14a, and 14a at both ends Is possible. In this case, as shown in FIGS. 2B and 2C, the curved portion 14a of the cut 14 formed in the gusset sheet 12 is compared with the curved portion 14a of the cut 14 formed in the exterior sheet 11, By forming the tongue piece 15 wide on the base end side, the pair of front and back exterior sheets 11 are heat-sealed with each other about the curved portion 14 a of the cut 14. Even if a crack is formed in the peripheral edge of the curved portion 14 a in the formed cut line 14 and the exterior sheet 11 starts to break from the crack, the broken portion is formed in the gusset sheet that is heat-sealed to the exterior sheet 11. It does not extend beyond the peripheral edge of the curved portion 14a in the cut 14. In addition, in the same figure (b), the dark shaded display area has shown the heat seal area | region of the exterior sheets 11, and the thin shaded display area has shown the heat seal area | region of the exterior sheet 11 and the gusset sheet 12. FIG. .

  In particular, when the downward tongue piece 15 is formed by the cut line 14 as in the above-mentioned pouch container with a spout, the finger piece is formed while the finger piece hole is formed by pushing the tongue piece 15 into one side. When carrying a pouch container with a spout while hanging it with a finger in the hanging hole, the cut notch 14 portion does not contact the finger and the proximal end of the raised tongue piece 15 contacts the finger. Therefore, even when carrying a large-capacity pouch container with a spout that has a good feel and is filled with heavy contents, the fingers that are hung on the finger hook holes do not hurt.

In each embodiment described above, the shape of the switching at 14 is a semicircular arc, it is not limited thereto, various switching th shape (e.g., U-shaped, etc.) also be employed As shown in FIGS. 5 (a) and 5 (b), one or more new cuts 14A for dividing the tongue piece 15 formed by the cut 14 are formed, and at the end of the cut 14A, You may make it form the small hole 16A and curved part 14Aa of the same structure as the small hole 16 and curved part 14a mentioned above.

In each embodiment described above, although completely heat sealed periphery to the outer sheet 11 in the small holes 16b and the curved portion 14a formed in the gusset sheet 12 is not limited thereto, moth it is also possible to form the non-sealing area having a predetermined width on the periphery of definitive the small hole 16b and the curved portion 14 a formed in the set sheet 12, by forming a non-sealing area went this In addition, an effect is obtained that the peripheral portions of the small holes 16 and the curved portions 14a are more difficult to break .

In each of the above-described embodiments, the spout pouch container 1 with side gusset portions formed on the left and right sides of the container body 10 has been described. However, the present invention is not limited to this, and at least one of the left and right It is sufficient that the side gusset portion exists in

  Moreover, although each embodiment mentioned above demonstrated the pouch container 1 with a spout with which the spout 20 was mounted | worn with the container main body 10, it is not limited to this, Also about the side gusset type pouch container without a spout Needless to say, the present invention can be applied.

It is a perspective view which shows the pouch container with a spout for demonstrating the basic composition of this invention. It is a front view which shows the state before filling the contents in a pouch container with a spout same as the above. (A) partial front view showing a state before filling the contents in the spouted pouch package according to an embodiment of the pouch container according to the present invention, the (b) shows the vicinity of the cuts in the spouted pouch package of the same It is a partial top view. (A) is the partial front view which shows the state before filling the content in the pouch container with a spout which is another embodiment, (b) is the partial top view which shows the cut | disconnection vicinity in the pouch container with a spout same as the above, (c ) Is a view showing a cut formed in the gusset sheet. (A), (b) is a partial top view which shows the vicinity of a cut in the pouch container with a spout which is other embodiment. It is a perspective view which shows the conventional pouch container with a spout. It is a front view which shows the state before filling the contents in a pouch container with a spout same as the above.

Explanation of symbols

1 Pouch container with spout (pouch container)
DESCRIPTION OF SYMBOLS 10 Container body 11 Exterior sheet 12 Gusset sheet 12a Excision part 13, 13a, 13b Finger hook hole 14, 14A, 17, 18 Cut 14a, 14Aa, 18a Bending part 15 Tongue piece 16, 16A, 19, 16a, 16b Small hole 20 Spout 21 Adhering part 22 Screw cap

Claims (2)

A pair of front and back exterior sheets and a gusset sheet that is folded inward from the sides of both exterior sheets to form a gusset portion;
The periphery of the gusset sheet is heat-sealed to the exterior sheet and the periphery of the exterior sheet that is not heat-sealed to the exterior sheet is formed into a bag shape by heat-sealing each other.
In the heat seal portion of the exterior sheet and the gusset sheet, a tongue piece is formed by making a cut, and a small hole connected to each end of the cut is formed,
In a pouch container in which a finger hole is formed by raising the tongue piece,
The diameter of the small holes formed in the exterior sheet is set smaller than the diameter of the small holes formed in the gusset sheet, and a pair of front and back exterior sheets are heat-sealed around the small holes. A pouch container characterized by being made. A pair of front and back exterior sheets and a gusset sheet that is folded inward from the sides of both exterior sheets to form a gusset portion;
The periphery of the gusset sheet is heat-sealed to the exterior sheet and the periphery of the exterior sheet that is not heat-sealed to the exterior sheet is formed into a bag shape by heat-sealing each other.
In the heat seal part of the exterior sheet and the gusset sheet, a tongue piece is formed by making a cut having small curved portions at both ends,
In a pouch container in which a finger hole is formed by raising the tongue piece,
The curved portion of the cut formed in the gusset sheet is formed wider than the curved portion of the cut formed in the exterior sheet, and the periphery of the curved portion of the cut is a pair of front and back The pouch container, wherein the exterior sheets are heat-sealed with each other.

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