JP2015078001A - Bag with holding portion and holding portion - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bag which can be eye-catching.SOLUTION: A holding portion made of a plastic molded body is attached to a body portion. The holding portion includes a first portion located on the surface side of a bag and a second portion located on the back side of the bag, and a reversing portion located between the first portion and the second portion. At least one of the first and second portions includes a design domain which is visually recognized by users. A region overlapping with the body portion of the design domain is constructed such that the contour thereof extends in a direction different from the direction in which the contour of the body part extends.

Description

  The present invention relates to a bag provided with a main body part in which a filling part filled with contents is formed and a grip part attached to the main body part. Moreover, this invention relates to the holding part provided in a bag.

  A bag made of a flexible packaging material is used as a bag for containing a fluid content such as liquid or powder. A bag for containing a fluid substance generally forms a seal portion such as a side seal portion or a bottom seal portion by heat-welding a surface film and a back film whose inner surface is composed of a thermoplastic resin layer. Can be obtained. The storage space surrounded by the side seal portion and the bottom seal portion is filled with the contents, and then the heat treatment is performed again to seal the storage space, and thus the content is filled. A bag is obtained.

  It is also known to produce a so-called bottom gusset type self-supporting bag by sandwiching a folded film (bottom film) between the bottoms of the front film and the back film and performing the above-described heat welding in this state. Yes.

  However, a bag made of a soft packaging material generally has low strength, for example, rigidity, compared to a plastic container. For this reason, the above-mentioned self-supporting bag etc. comprised from the flexible packaging material may be bent while being displayed. Further, when the contents are poured out from the self-supporting bag, the bag may be bent, which may make the dispensing operation difficult. Such bending is generally more likely to occur as the volume of the contents filled in the bag increases. In addition, when a dispensing device such as a spout is separately attached to the bag, the bag may easily be bent due to the weight of the spout.

  In consideration of such a problem, for example, Patent Documents 1 and 2 propose that a bag is provided with a gas filling portion that extends in the vertical direction and is filled with a high-pressure gas. In such a bag, since the tension of the surface of the gas filling part can be given by the pressure of the gas, it is possible to suppress the bag from being bent, thereby enabling the bag to be self-supporting and shape retaining. Can be increased. Moreover, since a gas filling part can be grasped, it becomes easy for a user to hold a bag.

JP 2006-123931 A JP 2009-12800 A

  By the way, when a bag is sold as a product, the sales quantity is greatly influenced not only by the quality of the bag such as independence, shape retention and ease of holding, but also by the design of the bag. Therefore, it is preferable that the bag has a predetermined quality and is eye-catching, that is, has an eye catching effect. On the other hand, in Patent Documents 1 and 2, the gas filling part extends in the same direction as the side edge of the bag extending in the vertical direction. For this reason, it is thought that a gas filling part is not recognized conspicuously when a consumer looks at a bag. That is, in the bags described in Patent Documents 1 and 2, it is difficult to say that both the ease of holding the bag and the eye catching effect of the bag are compatible.

  The present invention has been made in consideration of such problems, and an object of the present invention is to provide a bag that can achieve both the ease of holding the bag and the eye catching effect.

  The present invention is a bag comprising a main body formed with a filling portion filled with contents and a gripping portion attached to the main body, the main body comprising at least a front film and a back film Each of the films includes a base material layer and a thermoplastic resin layer, and the grip portion is formed of a plastic molded body. The part has a first part located on the front side of the bag, a second part located on the back side of the bag, and an inversion part located between the first part and the second part, In the reversing part, the direction in which the outer surface of the grip part faces is reversed, and at least one of the first part and the second part includes a design area visually recognized by a user, Of which body part Region overlapping, the contour, so as to extend in a direction different from the direction in which the contour of said body portion extends, are formed, a bag.

  The present invention is a gripping portion provided in a bag having a main body portion in which a filling portion filled with contents is formed, and the main body portion thermally welds a plurality of films including at least a front film and a back film. Each film includes a base material layer and a thermoplastic resin layer, and the gripping part is positioned on the front surface side of the bag and on the back surface side of the bag. A second portion, and a reversing portion positioned between the first portion and the second portion, wherein a direction in which the outer surface of the gripping portion is reversed is reversed in the reversing portion, and the gripping portion Is composed of a plastic molded body, and at least one of the first part and the second part includes a design area that is visually recognized by a user, and the area of the design area that overlaps the body portion is The circle But so as to extend in a direction different from the direction in which the contour of said body portion extends, it is formed, a grip portion.

  According to the present invention, the grip portion made of a plastic molded body is attached to the seal portion of the main body portion. The gripping part has a first part located on the front side of the bag, a second part located on the back side of the bag, and an inversion part located between the first part and the second part. . At least one of the first part and the second part includes a design area that is visually recognized by the user. The design area is an area configured such that the outline in the area overlapping the main body extends in a direction different from the direction in which the outline of the main body extends. By providing such a grip portion, it is possible to achieve both the ease of holding the bag and the eye catching effect.

FIG. 1 is a perspective view showing a bag according to an embodiment of the present invention. FIG. 2 is a side view of the bag shown in FIG. FIG. 3 is a cross-sectional view showing the layer structure of the front film and the back film of the main body of the bag shown in FIG. FIG. 4A is a plan view showing a grip portion before being attached to the main body portion. FIG. 4B is a bottom view showing the grip portion before being attached to the main body portion. 4C is a side view showing the gripping part shown in FIG. 4A as viewed along the arrow IVC in FIG. 4A. 4D is a side view showing the grip portion shown in FIG. 4A as viewed along arrow IVD in FIG. 4A. 4E is a cross-sectional view showing the case where the gripping portion shown in FIG. 4A is cut along line VE in FIG. 4A. 5A (a) and 5 (b) are views showing a process of forming a main body portion by sealing a front film, a back film and a bottom film. FIGS. 5A and 5B are views showing a process of attaching a gripping part to a main body part. FIG. 6 is a side view showing a bag provided with a grip portion according to a first modification. FIG. 7A is a plan view showing a gripping portion according to a first modification. FIG. 7B is a bottom view showing the grip portion according to the first modification. 7C is a side view showing a case where the gripping portion shown in FIG. 7A is viewed along the arrow VIIC in FIG. 7A. 7D is a side view showing the gripping part shown in FIG. 7A as viewed along the arrow VIID in FIG. 7A. FIG. 7E is a cross-sectional view showing a case where the grip portion shown in FIG. 7A is cut along line VIIE in FIG. 7A. FIG. 8 is a side view showing a bag provided with a grip portion according to a second modification. FIG. 9A is a plan view showing a grip portion according to a second modification. FIG. 9B is a bottom view showing a grip portion according to a second modification. FIG. 9C is a side view showing the grip portion shown in FIG. 9A as viewed along the arrow IXC in FIG. 9A. 9D is a side view showing the grip portion shown in FIG. 9A as viewed along arrow IXD in FIG. 9A. 9E is a cross-sectional view showing a case where the grip portion shown in FIG. 9A is cut along line IXE in FIG. 9A. FIG. 10 is a side view showing a bag provided with a gripping portion according to a third modification. FIG. 11A is a plan view showing a gripping part according to a third modification. FIG. 11B is a bottom view showing a grip portion according to a third modification. FIG. 11C is a side view showing the gripping part shown in FIG. 11A as viewed along arrow XIC in FIG. 11A. 11D is a side view showing the gripping part shown in FIG. 11A as viewed along the arrow XID in FIG. 11A. FIG. 11E is a cross-sectional view showing a case where the grip portion shown in FIG. 11A is cut along line XIE in FIG. 11A. FIG. 12 is a side view showing a bag provided with a grip portion according to a fourth modification. FIG. 13A is a plan view showing a gripping portion according to a fourth modification. FIG. 13B is a bottom view showing a grip portion according to a fourth modification. FIG. 13C is a side view showing the gripping part shown in FIG. 13A as viewed along arrow XIIIC in FIG. 13A. FIG. 13D is a side view showing the grip portion shown in FIG. 13A as viewed along arrow XIIID in FIG. 13A. FIG. 13E is a cross-sectional view showing a case where the grip portion shown in FIG. 13A is cut along line XIIIE in FIG. 13A. FIG. 13F is an enlarged cross-sectional view illustrating the uneven portion of the grip portion illustrated in FIG. 13E. FIG. 14 is a cross-sectional view showing another example of the gripping portion according to the fourth modification.

  An embodiment of the present invention will be described with reference to FIGS. 1A to 5B (a) and (b). Note that, in the drawings attached to the present specification, for convenience of illustration and understanding, the scale and vertical / horizontal dimension ratios are appropriately changed and exaggerated from those of the actual ones.

Bag FIGS. 1 and 2 are a perspective view and a side view showing a bag 10 according to the present embodiment. The bag 10 includes a main body part 11 in which a filling part 12 filled with contents is formed, and a grip part 20 attached to the main body part 11. As long as it has fluidity, the content filled in the filling portion 12 of the main body portion 11 is not particularly limited. For example, examples of the contents filled in the filling unit 12 include liquids such as liquor, liquid detergent and shampoo, granules such as beans and confectionery, and powders such as powder detergent.

(Main body)
The main body 11 has a plurality of seal portions configured by heat-welding a plurality of films including at least the front film 1 and the back film 2. The surface film 1 is a film constituting the surface of the main body 11 (the surface on the side shown in FIGS. 1 and 2), and the back film 2 is the back of the main body 11 (the back side of the surface). It is a film that constitutes the surface). And the filling part 12 with which the content is filled is comprised by the part in which the film is not heat-welded among the main-body parts 11. FIG. In the manufacturing process of the bag 10, the front film 1 and the back film 2 may be prepared as separate films separated from each other, or may be prepared as a series of films.

  As long as the contents and gas can be properly sealed, the type of the bag 10 is not particularly limited. For example, the bag 10 may be configured as a so-called gusseted bag in which a gusset is provided between the front film 1 and the back film 2. Such gusset may be provided at the bottom of the bag 10 or may be provided at the side of the bag 10. In the present embodiment, an example in which a bottom film 3 that is folded in half is sandwiched between the front film 1 and the back film 2 and a bottom portion with a gusset is formed by the bottom film 3 will be described.

  As shown in FIG. 1 and FIG. 2, the plurality of seal portions configured by heat-welding a plurality of films of the main body portion 11 include a bottom seal portion 14 that constitutes the bottom portion of the main body portion 11, and the main body portion 11. A first side seal portion 15 extending in the vertical direction along the first side edge 15a; a second side seal portion 16 extending in the vertical direction along the second side edge 16a opposite to the first side edge 15a; And an upper seal portion 13 extending in the horizontal direction along the upper edge 13a of the main body portion 11. The lower end of the bottom seal 14 constitutes the bottom edge 14a of the bag. The bottom seal portion 14 is a seal portion configured by heat-welding the surface film 1, the back film 2, and the bottom film 3. Moreover, the 1st side part seal part 15, the 2nd side part seal part 16, and the upper seal part 13 are seal parts comprised by heat-seal | fusing the surface film 1 and the back surface film 2. As shown in FIG.

  In the present embodiment, the grip portion 20 described above is attached to the first side seal portion 15 in the vicinity of the corner where the upper edge 13a of the main body portion 11 and the first side edge 15a intersect. However, the present invention is not limited to this, and the grip portion 20 can be attached to any one of the plurality of seal portions of the main body portion 11. For example, although not shown, the grip 20 may be attached to the upper seal 13 that extends along the upper edge 13a of the bag.

  In the present embodiment, as shown in FIGS. 1 and 2, the grip portion 20 is attached to the main body portion 11 so that a part thereof protrudes upward from the upper edge 13 a of the main body portion 11. . As a result, when the bag is displayed as a product in the retail store, the gripping part 20 becomes more attractive to the consumer.

  As shown in FIGS. 1 and 2, the bag 10 may be provided with a spout 18 that functions as a spout portion through which the contents filled in the main body portion 11 are poured out. For example, as shown in FIG. 2, the spout 18 includes a hollow cylindrical portion 18a and an adhesive portion 18b connected to the cylindrical portion 18a. The adhesive part 18 b is a part that is sandwiched between the front film 1 and the back film 2. Moreover, the cap 18c for closing the opening of the upper end of the cylinder part 18a may be attached to the cylinder part 18a. By providing such a spout 18, it is possible to stabilize the flow rate at the time of pouring or to reseal. In addition, in the example shown in FIG. 1 and FIG. 2, although the spout 18 comprised from the member different from the surface film 1 and the back surface film 2 was shown as an outlet part, it was not restricted to this, As will be described later as a modification, a spout portion integral with the main body portion 11 defined by the spout seal portion may be formed.

  The spout portion such as the spout 18 is provided at a position where the user can easily pour out the contents when the user grips the grip 20 and tilts the bag 10. For example, as shown in FIGS. 1 and 2, the spout 18 is provided on the second side edge 16 a side facing the first side edge 15 a on which the grip portion 20 is provided. As shown in FIGS. 1 and 2, both the upper seal portion 13 and the second side seal portion 16 extend in an inclined direction and are connected to the upper seal portion 13 and the second side seal portion 16. Further, a corner seal portion 17 may be formed, and a spout portion such as a spout 18 may be attached to the corner seal portion 17.

(Gripping part)
Next, the grip part 20 attached to the first side seal part 15 of the main body part 11 will be described.

  In the present embodiment, the gripping part 20 is composed of a plastic molded body. The plastic molded body is a member obtained by molding and solidifying a synthetic resin. The grip part 20 made of a plastic molded body has higher rigidity than the main body part 11 made of a film. By attaching such a grip part 20 to the main body part 11, it is possible to improve the ease of holding the bag 10 as compared with the case where the user directly grips the main body part 11.

  As shown in FIG. 1, the grip 20 includes a first portion 21 located on the front side of the bag 10, a second portion 22 located on the back side of the bag 10, a first portion 21 and a second portion 22. And an inversion part 23 located between the two. In the present embodiment, the first portion 21 is a flat plate extending toward the front film 1 side, and the second portion 22 is a flat plate extending toward the back film 2 side. The reversing part 23 is a part for connecting the first part 21 and the second part 22, and the direction of the outer surface of the gripping part 20 is reversed in the reversing part 23. For example, when considering a path from the front surface side to the back surface side of the bag 10, the direction of the outer surface of the gripping portion 20 is reversed from the front surface side to the back surface side with the reversing portion 23 as a boundary. The outer surface of the reversing portion 23 (the surface on which the fixing portion 24 described later is not provided) may have a curved shape or a bent shape after being attached to the main body portion 11. You may have. Since the outer surface of the reversing part 23 of the gripping part 20 has a curved shape, the touch can be improved even when the bag 10 is held so that the outer surface of the reversing part 23 hits the palm.

  The thickness of the 1st part 21, the 2nd part 22, and the inversion part 23 is suitably set according to the characteristic of the synthetic resin (plastic) which comprises the holding part 20 so that the holding part 20 has desired rigidity. For example, the thickness of the 1st part 21, the 2nd part 22, and the inversion part 23 is in the range of 0.8-3.0 mm. For example, PP (polypropylene), PE (polyethylene), or the like can be used as the synthetic resin constituting the grip portion 20. As described above, the reversing portion 23 is a portion having a curved shape or a bent shape for connecting the first portion 21 and the second portion 22, and the flat plate-like first portion 21 and second portion 22. It is easier to crack than From the viewpoint of making the reversing part 23 more difficult to break, preferably, PP is used as the material constituting the gripping part 20.

  In FIG. 2, the outline of the outer shape of the first portion 21 is indicated by reference numeral 21a. The first portion 21 is formed with a through hole 21c. In the following description, the contour of the first portion 21 defined by the outer shape of the first portion 21 is referred to as an outer contour 21a, and the contour of the first portion 21 defined by the through hole 21c is referred to as an inner contour 21b. According to the present embodiment, when the user holds the bag 10, the user's finger can be fitted into the through hole 21 c of the first portion 21, thereby improving the holding property (ease of holding) of the bag 10. Can do. In addition, the dimension of the through hole 21c, specifically, the number of fingers that can be fitted into the through hole 21c is not particularly limited, and is appropriately set according to the weight of the bag 10 or the like. Note that the bag 10 according to the present embodiment, in addition to fitting a finger into the through-hole 21c, also by holding the holding part 20 so that the finger follows the outer shape of the first part 21 and the second part 22, Can be retained.

  As shown in FIG. 2, the outer contour 21 a of the first portion 21 has a curved shape, for example, a circular shape, except for a portion extending along the first side edge 15 a of the main body portion 11, that is, a portion adjacent to the inversion portion 23. have. In addition, the part extended along the 1st side edge 15a of the main-body part 11 among the outer side contours 21a is a part which does not overlap with the main-body part 11 in the side view of FIG. On the other hand, around the grip portion 20, the outline of the main body 11 is defined by a first side edge 15a extending in the vertical direction and an upper edge 13a extending in the horizontal direction. Thus, in this Embodiment, the part which overlaps with the main-body part 11 among the outer side outlines 21a is extended in the direction different from the direction where the outline of the main-body part 11 is extended. This acts to enhance the impression of the grip 20 on the consumer when the bag is displayed as a product in a retail store. In other words, the gripping part 20 is more attractive to the consumer. From this, it can be said that the 1st part 21 of the holding part 20 by this Embodiment contains the design area | region which can attract a consumer's eyes. In the present embodiment, it can be said that the first portion 21 is the design region itself because the function that draws the eye of the consumer is expressed by the shape of the first portion 21 itself.

  Further, as shown in FIG. 2, the inner contour 21b of the first portion 21 also has a curved shape, for example, a circular shape, like the outer contour 21a. Accordingly, the presence of the inner contour 21b can enhance the impression of the grip portion 20 to the consumer. That is, the through hole 21c formed in a circular shape not only improves the holding property (ease of holding) of the bag 10, but also exhibits the effect of improving the eye catching effect of the bag 10.

  As shown in FIG. 2, the through-hole 21c that defines the circular inner contour 21b may be formed so that the center thereof deviates from the center of the circular outer contour 21a. As a result, the outer contour 21a and the inner contour 21b become more eye-catching for consumers, and the eye catching effect of the bag 10 can be enhanced. Preferably, the through hole 21c that defines the circular inner contour 21b is from the first side edge 15a of the first side seal portion 15 to which the grip portion 20 is attached with respect to the center of the circular outer contour 21a. Arranged so as to shift to the far side. As a result, the width of the portion of the first portion 21 of the grip portion 20 that is not hollowed out by the through hole 21c can be sufficiently secured in the vicinity of the first side edge 15a. Can be sufficiently secured.

  Next, the grip 20 will be described in more detail with reference to FIGS. 4A to 4E. FIG. 4A is a plan view showing the grip 20 before being attached to the main body 11 when the first portion 21 is placed so as to be horizontal. FIG. 4B is a bottom view showing the grip 20. 4C and 4D are side views showing the gripping portion 20 shown in FIG. 4A when viewed along arrows IVC and IVD in FIG. 4A, respectively. FIG. 4E is a cross-sectional view showing a case where the grip 20 shown in FIG. 4A is cut along the line IVE in FIG. 4A.

  As shown in FIGS. 4A to 4C, the grip 20 before being attached to the main body 11 is configured such that the first portion 21 and the second portion 22 extend on the same plane. In this case, as will be described later, the first portion 21 is bent or bent so that the second portion 22 rotates 180 degrees relative to the first portion 21 with the reversing portion 23 as an axis. And the second portion 22 can be opposed to each other.

  As shown in FIGS. 4A to 4E, the second portion 22 has a symmetrical shape with the first portion 21 with the inversion portion 23 as an axis. That is, as in the case of the first portion 21, the outer contour 22 a of the second portion 22 extends in a direction different from the direction in which the contour of the main body 11 extends. For this reason, it can be said that the 2nd part 22 also contains the design area | region which can attract a consumer's eyes. The second portion 22 is also formed with a through hole 22c, and the inner contour 22b defined by the through hole 22c extends in a direction different from the direction in which the contour of the main body 11 extends. For this reason, according to the present embodiment, in both cases where the consumer visually recognizes the bag 10 from the front surface side and when the consumer visually recognizes the bag 10 from the back surface side, Can be drawn.

  As shown in FIG. 4B to FIG. 4D, a hole to be described later formed in the first side seal portion 15 of the main body 11 with respect to the second portion 22 on the inner surface of the grip portion 20. The fixing | fixed part 24 for fixing via may be provided. Here, “fixed” means not only when the first portion 21 does not move at all with respect to the second portion 22 but also within a range in which the first portion 21 has no practical problem with respect to the second portion 22. It is a concept that includes moving cases.

  The fixing portion 24 may be configured to fix the first portion 21 relative to the second portion 22 while securing a predetermined gap between the first portion 21 and the second portion 22. Good. In this case, the size of the gap is such that a gap for inserting a human finger is formed between the first portion 21 and the surface of the bag 10, and also between the second portion 22 and the back surface of the bag 10. It may be set so that a gap into which a human finger is inserted can be formed. Alternatively, the fixing portion 24 may be configured to clamp at least one of the first side seal portion 15 and the upper seal portion 13 of the main body portion 11 by the first portion 21 and the second portion 22. That is, the first portion 21 and the second portion 22 may be in close contact with the main body portion 11.

  The specific structure of the fixing part 24 is not particularly limited. For example, the inner surface of the second portion 22 of the grip portion 20 located on the back side of the main body 11 (the surface facing the main body 11) has a fitting hole 24 a at a location corresponding to the holes of the films 1 and 2. Is formed. Further, the second portion 22 is fitted on the inner surface of the first portion 21 of the grip portion 20 located on the surface side of the bag 10 (the surface facing the main body portion 11) after the reversing portion 23 is bent or bent. A protrusion 24b that protrudes toward the joint hole 24a is formed. The protrusion 24b is configured to fit into the fitting hole 24a of the second portion 22 through the holes of the films 1 and 2, thereby fixing the first portion 21 to the second portion 22. Yes. That is, the protrusion 24 b formed in the first portion 21 and the fitting hole 24 a formed in the second portion 22 constitute a fixing portion 24 for fixing the first portion 21 to the second portion 22. Yes.

  As shown in FIG. 4E, the first portion 21 includes a flat portion 21d, an outer inclined portion 21e inclined downward from the flat portion 21d to the outside, and a lower portion from the flat portion 21d to the inside, that is, the through hole 21c side. And an inner inclined portion 21f that is inclined to each other. Similarly, the second portion 22 includes a flat portion 22d, an outer inclined portion 22e inclined downward from the flat portion 22d to the outer side, and an inner side inclined downward from the flat portion 22d toward the inside, that is, the through hole 22c side. And an inclined portion 22f. As described above, the first portion 21 and the second portion 22 include the flat portions 21d and 22d and the inclined portions 21e, 21f, 22e, and 22f, so that the first portion 21 and the second portion 22 can have a stereoscopic effect. Thus, the eye catching effect of the first portion 21 and the second portion 22 can be further enhanced.

  Further, as shown in FIG. 4E, the thickness of the reversing portion 23 may be smaller than the thickness of the first portion 21 and the second portion 22. The reversing part 23 that is bent or bent when attaching the grip part 20 to the main body part 11 is generally easier to break than the first part 21 and the second part 22. On the other hand, in a plastic molded product, as the thickness is smaller, the flexibility is improved, and as a result, it is difficult to break. Therefore, by making the thickness of the reversing portion 23 smaller than the thickness of the first portion 21 and the second portion 22, the reversing portion 23 is hardly cracked while maintaining the rigidity in the first portion 21 and the second portion 22. can do. The value of the thickness of the reversing part 23 is appropriately determined according to the characteristics of the synthetic resin constituting the gripping part 20, the curvature of the reversing part 23, and the like, but can be set within a range of 0.3 to 0.6 mm, for example.

(Layer structure of film)
Next, with reference to FIG. 3, an example of the layer configuration of the front film 1, the back film 2, and the bottom film 3 will be described. As shown in FIG. 3, the films 1, 2, and 3 include a base material layer 41 and a thermoplastic resin layer 45 provided on the base material layer 41. Of these, the base material layer 41 is a layer constituting the outer surfaces 1a, 2a, 3a of the films 1, 2, 3, and the thermoplastic resin layer 45 is an inner surface 1b, 2b on the opposite side of the outer surfaces 1a, 2a, 3a. , 3b. The above-described seal portion is formed by thermally welding the 1, 2, and 3 thermoplastic resin layers 45 to each other.
As a material constituting the base material layer 41, for example, PET or nylon can be used. The substrate layer 41 can ensure high printability on the outer surfaces 1a, 2a, and 3a. Moreover, the base material layer 41 has high heat resistance at the time of heat welding.
As a material constituting the thermoplastic resin layer 45, for example, polyethylene or propylene can be used.
The base material layer 41 and the thermoplastic resin layer 45 can be laminated by using a dry lamination method or a melt extrusion method.
The thickness of the films 1, 2, and 3 is in the range of 8 to 300 μm, for example.

In addition, as long as desired characteristics, such as rigidity, can be provided to the main-body part 11, the layer structure of the films 1, 2, and 3 is not restricted to the above-mentioned thing. For example, as shown in FIG. 3, the films 1, 2, and 3 may further include an intermediate layer 42 and an intermediate layer 43 provided between the base material layer 41 and the thermoplastic resin layer 45.
As the intermediate layer 42, for example, an aluminum foil can be used. By providing such an intermediate layer 42, it is possible to prevent oxygen and water vapor from entering the bag 10. The intermediate layer 42 may be made of a thermoplastic resin film having a metal or metal oxide vapor deposition film.
As the intermediate layer 43, for example, a stretched nylon film can be used. By providing such an intermediate layer 43, the puncture resistance of the bag 10 can be improved.
The thicknesses of the base material layer 41 made of a PET film, the intermediate layer 42 made of an aluminum foil, and the intermediate layer 43 made of a stretched nylon film are, for example, 12 μm, 9 μm, and 15 μm, respectively.

Method for Manufacturing Bag Next, a method for manufacturing the above-described bag 10 will be described with reference to FIGS. 5A (a) and 5 (b) and FIGS. 5B (a) and (b).

(Manufacturing method of main body)
First, the surface film 1 and the back film 2 in which the hole in which the protrusion 24b of the fixing part 24 of the grip part 20 is inserted is formed, and the bottom film 3 are prepared. Here, as shown to FIG. 5A (a), the case where the surface film 1 and the back surface film 2 are each provided with the overhang | projection parts 1d and 2d projected over the side rather than the side edges 1c and 2c is demonstrated. The side edges 1c and 2c are portions that constitute the first side edge 15a of the main body 11 when the front film 1 and the back film 2 are sealed.

  In the example shown in FIG. 5A (a), outer through-holes 1e and 2e are formed in the overhanging portions 1d and 2d, and the inner through-holes of the films 1 and 2 are located on the inner side of the overhanging portions 1d and 2d. Holes 1f and 2f are formed. Here, “inside the overhanging portions 1d and 2d” means that the inner through holes 1f and 2f are located closer to the center of the films 1 and 2 than the line obtained by extending the side edges 1c and 2c upward. It means that The positions of the outer through-holes 1e and 2e and the inner through-holes 1f and 2f are the same as the fitting holes 24a of the second portion 22 when the gripping part 20 before the reversing part 23 is bent or bent is overlapped with the main body part 11. Is set to overlap the outer through holes 1e and 2e, and the protrusion 24b of the first portion 21 overlaps the inner through holes 1f and 2f.

  After preparing each film 1, 2 and 3, as shown in FIG. 5A (a), the surface film 1 and the back film 2 are placed so that the holes 1e and 2e overlap and the holes 1f and 2f overlap. The bottom film 3 in a folded state is inserted between the front film 1 and the back film 2 while facing each other. At this time, the front film 1, the back film 2, and the bottom film 3 are arranged such that the respective inner surfaces 1b, 2b, 3b formed of the thermoplastic resin layer are in contact with each other. Thereafter, the films 1, 2, 3 are sealed by heat welding. As a result, as shown in FIG. 5B (b), the main body portion 11 is obtained in which the filling planned portion 12a surrounded by the bottom seal portion 14, the first side seal portion 15 and the second side seal portion 16 is formed. be able to. The filling portion 12a is a portion to be filled with contents in a later process. The filling portion 12a is obtained by filling the filling portion 12a with the contents and sealing the filling portion 12a with the upper seal portion 13. As shown in FIG. 5B (b), the above-described corner seal portion 17 is formed by thermal welding simultaneously with or after the process of sealing each film 1, 2, 3 by thermal welding, thereby The spout 18 may be attached to the main body 11.

Separately from the production of the main body 11, the above-described grip 20 is prepared. As described above, the grip portion 20 is manufactured by molding a synthetic resin. As a method for molding the synthetic resin, a known method such as a sheet molding method or an injection molding method can be appropriately used.
In the sheet forming method, first, a mold having a surface shape corresponding to the shape of the grip portion 20 is prepared. Next, a synthetic resin sheet that has been heated and softened is set in a mold. Thereafter, the sheet is brought into close contact with the mold using a vacuum force or a compressed air force, thereby imparting the shape of the mold to the sheet. In this way, a plastic molded body for constituting the grip portion 20 can be obtained.
In the injection molding method, first, a mold having a surface shape corresponding to the shape of the grip portion 20 is prepared. Next, the mold is filled with a synthetic resin heated to a temperature at which it has fluidity. When the synthetic resin in contact with the mold is solidified, a plastic molded body along the surface shape of the mold can be obtained.
In the case where the sheet forming method is used, generally, a plastic molded body for constituting the grip portion 20 is obtained by punching out a sheet provided with a mold shape using a punching blade. Therefore, the beard due to the punching is likely to occur at the end of the grip 20. When the beard is generated, the feeling of contact of the grip portion 20 with the user's hand is reduced. On the other hand, when the injection molding method is used, such a beard does not occur at the end of the grip 20. Therefore, it is preferable to use an injection molding method from the viewpoint of the feeling of contact of the grip 20 with the user's hand.

  After preparing the main body part 11 and the grip part 20, as shown in FIG. 5B (a), the outer through holes 1e, 2e of the main body part 11 and the fitting hole 24a of the grip part 20 match, and the main body part 11 is overlapped with the main body 11 so that the inner through-holes 1f and 2f of 11 and the protrusion 24b of the grip 20 are aligned. At this time, the protrusion 24 b of the grip portion 20 is inserted into the inner through holes 1 f and 2 f of the main body portion 11. Thereafter, the reversing portion 23 is bent or bent so that the second portion 22 rotates 180 degrees with respect to the first portion 21 with the reversing portion 23 as an axis. At this time, the protruding portions 1d and 2 of the main body 11 are folded back so that the outer through holes 1e and 2e and the inner through holes 1f and 2f overlap. Therefore, after the reversing portion 23 is bent or bent, the protrusion 24b of the grip portion 20 can be fitted into the fitting hole 24a through the holes 1e, 2e, 1f, and 2f of the main body portion 11. Thereby, as shown in FIG. 5B (b), the first portion 21 can be fixed to the second portion 22 of the grip portion 20 and the grip portion 20 can be attached to the main body portion 11.

  Thereafter, although not shown, the filling portion 12a is filled with the contents. In addition, the upper seal portion 13 is formed by thermally welding the front film 1 and the back film 2 on the upper portion of the main body portion 11. Thereby, the bag 10 provided with the main-body part 11 with which the content was filled, and the holding part 20 attached to the main-body part 11 can be obtained.

  According to the present embodiment, the body portion 11 is attached with the grip portion 20 made of a plastic molded body. For this reason, the ease of holding the bag 10 can be improved as compared with the case where the user directly holds the main body 11. Further, each of the first portion 21 and the second portion 22 of the grip portion 20 includes a design area that is visually recognized by the user. In the present embodiment, the first portion 21 and the second portion 22 are configured such that the outer shapes of the first portion 21 and the second portion 22 themselves become design areas. Moreover, the area | region which overlaps with the main-body part 11 among the design areas is comprised so that the outer side outlines 21a and 22a may extend in the direction different from the direction where the outline of the main-body part 11 extends. By providing such a grip 20, it is possible to achieve both the ease of holding the bag 10 and the eye catching effect.

  Further, according to the present embodiment, the portion of the main body 11 to which the grip portion 20 is attached is provided with the overhanging portions 1d and 2d that protrude from the first side edge 15a to the side. These overhanging portions 1d and 2d are portions that are simultaneously folded when the reversing portion 23 of the gripping portion 20 superimposed on the main body portion 11 is bent or bent. By providing such overhanging portions 1d and 2d, the thickness of the portion of the main body 11 to which the grip portion 20 is attached can be increased by the thickness of the overhanging portions 1d and 2d as compared with the other portions. it can. For this reason, the intensity | strength of the main-body part 11 in the part to which the holding part 20 was attached can be raised. As a result, the grip portion 20 can be more firmly fixed to the main body portion 11.

  Further, according to the present embodiment, as described above, the grip portion 20 is attached to the main body portion 11 by using the fitting between the fitting hole 24a and the protrusion 24b of the fixing portion 24. Therefore, the process of attaching the grip part 20 to the main body part 11 can be performed easily and at low cost. In FIG. 5B (b) described above, an example is shown in which the grip 20 is attached to the main body 11 before the step of filling the contents to be filled 12a. However, the present invention is limited to this. There is no. Even if the holding part 20 is attached to the main body part 11 after filling the filling part 12a with the contents and forming the upper seal part 13 by thermally welding the front film 1 and the back film 2 on the upper part of the main body part 11. Good. In this case, it is possible to attach the grip 20 to the upper seal 13 instead of the first side seal 15 of the main body 11.

  Note that various modifications can be made to the above-described embodiment. Hereinafter, modified examples will be described with reference to the drawings. In the following description and the drawings used in the following description, the same reference numerals as those used for the corresponding parts in the above embodiment are used for the parts that can be configured in the same manner as in the above embodiment. A duplicate description is omitted. In addition, when it is clear that the operational effects obtained in the above-described embodiment can be obtained in the modified example, the description thereof may be omitted.

(Modification of the configuration of the gripping part)
In the above-described embodiment, an example in which the outline of the portion of the first portion 21 and the second portion 22 of the grip portion 20 that overlaps the main body portion 11 has a circular shape has been shown. However, the configuration of the gripping unit 20 is not particularly limited as long as the gripping unit 20 can catch a consumer's eyes. Hereinafter, some modified examples of the configuration of the gripper 20 will be described with reference to FIGS. 6 to 14.

[First Modification Regarding Configuration of Gripping Unit]
In the example shown in FIGS. 6 to 7E, the outer portions 21 a and 22 a and the inner contours 21 b and 22 b of the first portion 21 and the second portion 22 of the grip portion 20 that overlap the main body portion 11 have a heart shape, respectively. It is configured to have. As described above, in the present modification, the contours of the first portion 21 and the second portion 22 not only extend in a direction different from the direction in which the contour of the main body 11 extends, but also provide some information and implications to consumers who have seen it. It is configured to recall. For this reason, the impression of the holding part 20 with respect to a consumer can be strengthened more.

  The outlines of the first part 21 and the second part 22 may be set so that information and meanings reminiscent of a consumer who has seen the first part 21 and the second part 22 are related to the contents filled in the bag 10. . For example, the heart shape generally reminds consumers of affection and kindness. In this case, if the contents filled in the bag 10 are related to affection and tenderness, such as a weakly acidic shampoo for children, the gripping part 20 will catch the eye of the consumer. Not only the effect but also the effect of appealing the feature of the product, the so-called advertising effect can be exhibited. As described above, according to this modification, in addition to the effect of improving the holding property of the bag 10, the gripping part 20 can exhibit various effects such as an eye catching effect and an advertising effect.

[Second Modification Regarding Configuration of Gripping Unit]
In the first variation described above, the contours of the first portion 21 and the second portion 22 are reminiscent of emotional or sensory implications for the consumer who saw it, such as a heart shape. An example is shown. However, the present invention is not limited to this, and the contours of the first portion 21 and the second portion 22 may be configured to remind consumers more specific information. For example, the outlines of the first portion 21 and the second portion 22 may be configured to express characters such as characters, symbols, and numbers. 8 to 9E show an example in which the contours of the first portion 21 and the second portion 22 are configured to represent the alphabet “A”.

  The type expressed by the outlines of the first portion 21 and the second portion 22 is related to the contents filled in the bag 10, the business that manufactures or sells the bag 10 filled with the contents, and its brand. It may be. As a result, the gripping unit 20 can exhibit not only an eye catching effect that attracts the eyes of consumers, but also an advertising effect that appeals to the characteristics of the product and the company that handles the product.

[Third Modification Regarding Gripping Unit Configuration]
In addition, the outlines of the first portion 21 and the second portion 22 may be related to the material of the contents filled in the bag 10. For example, when the content filled in the bag 10 is a person having the flavor and fragrance of strawberries, the outlines of the first portion 21 and the second portion 22 represent strawberries as shown in FIGS. 10 to 11E. It may be configured to.

  In addition, as shown to FIG. 11E, the 1st part 21 and the 2nd part 22 may each include the curved parts 21g and 22g which spread over the whole region. In this case, the user can stably hold the grip 20 by placing the palm or finger along the curved portions 21g and 22g or by hooking the finger to the ends of the curved portions 21g and 22g.

[Fourth Modification Regarding Configuration of Grip Portion]
In the above-described embodiment and the first to third modifications, the example in which the design area that attracts the eye of the consumer is configured by the shapes of the first portion 21 and the second portion 22 has been shown. However, the present invention is not limited to this, and the design region may be configured by some structure partially formed on the first portion 21 and the second portion 22 of the grip portion 20. Hereinafter, an example in which the design area includes logos drawn on the first portion 21 and the second portion 22 will be described with reference to FIGS. 12 to 13F.

  The logo is formally called a logotype and is a character or character string that is designed or decorated. The logo is generally used for printing and displaying an organization name, a trade name, a product name, a magazine name, a book title, and the like. The logotype is derived from the Greek logo Tupos, and is a word generated by combining a logo (word) and a type (type).

  In the present modification, as shown in FIGS. 12 to 13F, the logo “DNP” is drawn on the first portion 21 and the second portion 22 of the grip portion 20. The logos drawn on the first part 21 and the second part 22 are not particularly limited, and various logos such as business names, product names, or brand names are drawn on the first part 21 and the second part 22. obtain.

  As long as the consumer can visually recognize the logo, the specific method for drawing the logo on the first portion 21 and the second portion 22 is not particularly limited. For example, as shown to FIG. 13E, the 1st part 21 and the 2nd part 22 are comprised by the flat parts 21d and 22d and the part visually recognized by the consumer in the aspect different from the flat parts 21d and 22d. Also good. The portions visually recognized by the consumer in a different manner from the flat portions 21d and 22d are the uneven portions 21h and 22h formed on the flat portions 21d and 22d, as indicated by reference numerals 21h and 22h in FIGS. 13E and 13F. May be. The uneven portions 21h and 22h are portions that can be formed by so-called mat processing for roughening the surface. FIG. 13F is an enlarged view showing the uneven portions 21h and 22h in FIG. 13E. The way in which light is reflected by the uneven portions 21h and 22h is different from the way in which light is reflected by the flat portions 21d and 22d. Therefore, a desired logo can be drawn on the first portion 21 and the second portion 22 by using such uneven portions 21 h and 22 h. As long as the concave and convex portions 21h and 22h are visually recognized by the consumer in a manner different from the flat portions 21d and 22d, the height of the concave and convex portions 21h and 22h (the distance from the top of the convex portion to the deepest portion of the concave portion) is particularly Although not limited, it can be in the range of 0.1 to 20 μm, for example.

  The specific method for forming the uneven portions 21h and 22h partially on the flat portions 21d and 22d is not particularly limited. For example, when the gripping portion 20 is produced by an injection molding method using a mold, a sheet molding method, an embossing method, or the like, the concave and convex portions 21h and 22h are formed by partially providing irregularities on the inner surface of the mold. Can be formed.

  In addition, as shown by reference numerals 21 i and 22 i in FIG. 14, the portion that is visually recognized by the consumer in a mode different from the flat portions 21 d and 22 d has a thickness adjusting portion 21 i having a thickness different from that of the flat portions 21 d and 22 d. , 22i. FIG. 14 shows an example in which the thickness adjusting portions 21i and 22i are portions having a larger thickness than the flat portions 21d and 22d, that is, an example in which the thickness adjusting portions 21i and 22i are convex portions. However, the present invention is not limited to this, and although not shown, the thickness adjusting portions 21i and 22i may be portions having a smaller thickness than the flat portions 21d and 22d. That is, the thickness adjusting portions 21i and 22i may be concave portions. In any case, the light is different from the case of the flat portions 21d and 22d and the thickness adjusting portions 21i and 22i at the boundary between the flat portions 21d and 22d and the thickness adjusting portions 21i and 22i. Reflected. For this reason, the consumer can visually recognize the boundary portion between the flat portions 21d and 22d and the thickness adjusting portions 21i and 22i, that is, the outline of the thickness adjusting portions 21i and 22i. Therefore, a desired logo can be drawn on the first portion 21 and the second portion 22 by using such thickness adjusting portions 21i and 22i. As long as the thickness adjusters 21i, 22i are visually recognized by the consumer in a different manner from the flat portions 21d, 22d, the thickness of the thickness adjusters 21i, 22i (the height of the convex portions constituting the thickness adjusters 21i, 22i or The depth of the recess) is not particularly limited, but can be in the range of several μm to several tens of μm, for example.

  A specific method for forming the thickness adjusting portions 21i and 22i partially on the flat portions 21d and 22d is not particularly limited. For example, when the gripping portion 20 is manufactured by an injection molding method using a mold, a sheet molding method, an embossing method, etc., the thickness adjusting portions 21i and 22i are provided by providing a concave portion or a convex portion on the inner surface of the mold. Can be formed. When the thickness adjusting portions 21i and 22i are convex portions, the thickness adjusting portions 21i and 22i are applied on the flat portions 21d and 22d by applying ink in a predetermined pattern on the flat portions 21d and 22d, that is, by printing. It can also be formed. That is, the thickness adjusters 21i and 22i may be configured by ink provided by printing. In this case, since the colors of the thickness adjusting portions 21i and 22i can be different from the colors of the flat portions 21d and 22d, the eye-catching effect and advertising effect by the logo can be further enhanced. By adding fine particles to the ink, the thickness adjustment portions 21i and 22i are not only made different in thickness from the surrounding flat portions 21d and 22d, but also on the surfaces of the thickness adjustment portions 21i and 22i as shown in FIG. It is also possible to form an uneven portion.

(Modification of layout of design area)
In the above-described embodiment, the second portion 22 has a symmetrical shape with the first portion 21 with the reversing portion 23 as an axis. As a result, not only the first portion 21 but also the second portion 22 is formed. An example in which a design region extending in a direction different from the direction in which the contour of the main body 11 extends is shown. However, it is not necessary for both the first portion 21 and the second portion 22 to include a design area that can catch the eye of the consumer. For example, it is only necessary that at least one of the first portion 21 and the second portion 22 includes the design region. Even in this case, since at least one of the first portion 21 and the second portion 22 can catch the eyes of the consumer, the eye catching effect of the bag 10 can be improved.

(Modified example of fixing method of gripping part)
In the above-described embodiment, the first portion is made to the second portion 22 by fitting the protrusion 24b formed on the first portion 21 into the fitting hole 24a formed on the second portion 22. An example in which 21 is relatively fixed is shown. However, the specific fixing method is not particularly limited as long as the first portion 21 can be relatively fixed to the second portion 22. For example, the first portion 21 may be fixed to the second portion 22 by thermally welding the first portion 21 to the second portion 22 through the holes of the films 1 and 2. As the heat welding method, a known method such as an ultrasonic method can be appropriately used. Further, a hot melt method may be used as a fixing method.

(Modification of spout)
In the above-described embodiment and each modification, an example in which the spout 18 is formed at the corner of the bag 10 has been shown. However, the present invention is not limited to this, and the spout 18 may be formed on the top or side of the bag 10. When the spout 18 is formed on the top of the bag 10, the grip 20 may be attached not only to the first side seal 15 but also to the second side seal 16.

(Modification of the structure of the main unit)
In the above-described embodiment and each modification, an example is shown in which the main body 11 is configured as a gusseted bag. However, it is not restricted to this, The main-body part 11 may be comprised as a three-sided seal bag and a four-sided seal bag obtained by heat-welding the surface film 1 and the back surface film 2. FIG. The main body 11 may be a pillow bag. Even in these cases, it is possible to improve the ease of holding the bag 10 and the shape retention by attaching the grip 20 to the first side seal 15.

(Modification of spout part)
In the above-described embodiment and each modified example, an example in which the spout portion that passes when the contents are poured out is configured as a spout 18 that is composed of a member separate from the front film 1 and the back film 2. Indicated. However, the present invention is not limited to this, and the spout portion is integrated with the main body portion 11 and is defined by a spout seal portion formed by thermally welding the front film 1 and the back film 2. It may be configured as an outlet.

  In addition, although some modified examples with respect to the above-described embodiment have been described, naturally, a plurality of modified examples can be applied in combination as appropriate.

DESCRIPTION OF SYMBOLS 1 Surface film 1d Overhang part 2 Back surface film 2d Overhang part 3 Bottom film 10 Bag 11 Main body part 12 Filling part 13 Top seal part 14 Bottom seal part 15 1st side seal part 15a 1st side edge 16 2nd side part seal part 16a second side edge 18 spout 20 gripping portion 21 first portion 21a outer contour 21b inner contour 21c through-hole 22 second portion 22a outer contour 22b inner contour 22c through-hole 23 reversing portion 24 fixing portion 24a fitting hole 24b protrusion 41 base Material layer 42 Intermediate layer 43 Intermediate layer 45 Thermoplastic resin layer

Claims (2)

A bag comprising a main body part formed with a filling part filled with contents, and a gripping part attached to the main body part,
The main body has a seal portion formed by thermally welding a plurality of films including at least a front film and a back film, each film including a base material layer and a thermoplastic resin layer,
The grip portion is composed of a plastic molded body,
The grip portion includes a first portion located on the front surface side of the bag, a second portion located on the back surface side of the bag, and an inversion portion located between the first portion and the second portion. In the reversing part, the direction in which the outer surface of the gripping part faces is reversed,
At least one of the first part and the second part includes a design region that is visually recognized by a user,
The bag which is comprised so that the area | region which overlaps with the said main-body part among the said design areas may extend in the direction different from the direction where the outline of the said main-body part extends. A gripping portion provided on a bag having a main body portion on which a filling portion filled with contents is formed,
The main body has a seal portion formed by thermally welding a plurality of films including at least a front film and a back film, each film including a base material layer and a thermoplastic resin layer,
The grip portion includes a first portion located on the front surface side of the bag, a second portion located on the back surface side of the bag, and an inversion portion located between the first portion and the second portion. In the reversing part, the direction in which the outer surface of the gripping part faces is reversed,
The grip portion is composed of a plastic molded body,
At least one of the first part and the second part includes a design region that is visually recognized by a user,
A gripping portion configured to extend in a direction different from a direction in which a contour of the main body extends in a region overlapping with the main body in the design region.