JP2017165486A - Bag body with fitting part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bag body with a fitting part which can enhance convenience for loading and unloading of a content.SOLUTION: In a bag body 10 with a fitting part, overlapped first film material 21 and second film material 22 are continuous with each other at peripheral edge parts thereof. The bag body comprises: a bag main body 20 having plural openings 2 on a peripheral edge part; a fitting part 3 having male side fitting portions 31, 41 and female side fitting portions 32, 42 which are formed on faces of the first film material 21 and the second film material 22, which are opposite to each other, at each opening 2, and which are detachably fitted to each other and open/close the opening 2; and a storage part 25 which is sandwiched between the first film material 21 and the second film material 22, and which are surrounded by the peripheral edge part and the fitting part 3 and can store a content.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a bag body with a fitting portion.

  In various fields such as food and miscellaneous goods, a bag body with a fitting portion provided with a fitting portion for opening and closing the opening portion on the inner surface in the vicinity of the opening portion of the bag body is widely used (see Patent Document 1, etc.). ).

JP 2005-145536 A

  However, in the conventional bag body, the direction in which the contents are put in and out is limited. In order to put in and out the contents, there are cases where it is desired to take out from a direction different from the direction in which the contents are put in, or to insert other contents from a direction different from the direction in which the contents are put in.

  This invention is made | formed in view of the said condition, The objective is to provide the bag body with a fitting part which can improve the convenience of taking in / out of the content, and the bag body with a fitting part. is there.

Next, means for solving the above problems will be described with reference to the drawings corresponding to the embodiments.
In the bag body 10 with a fitting portion according to claim 1 of the present invention, the first film material 21 and the second film material 22 that are superimposed are continuous at the peripheral edge portion 23, and the peripheral edge portion 23. A bag body 20 having a plurality of openings 2 in the
A male-side fitting that is formed on the mutually facing surfaces of the first film material 21 and the second film material 22 in each of the openings 2 and opens and closes the opening 2 by detachably fitting with each other. Fitting part 3 having parts 31, 41 and female side fitting parts 32, 42;
An accommodating portion 25 sandwiched between the first film material 21 and the second film material 22 and surrounded by the peripheral edge portion 23 and the fitting portion 3 and capable of accommodating contents;
It is characterized by providing.

  In this bag body 10 with a fitting part, the bag main body 20 is provided with a plurality of openings 2. When the fitting parts 3 in all the openings 2 are closed by fitting, the housing part 25 is sealed. The contents can be taken out by releasing the fitting portion 3 at a predetermined position. The contents are taken out in a plurality of taking-out directions. That is, a desired take-out direction can be obtained. Further, by releasing the desired fitting part 3, it is possible to access (contact, connect, support, partially cut out, etc.) the contents in the accommodating part 25. Since there are a plurality of openings 2 that can be freely opened and closed, different accesses to the contents can be simultaneously performed from the respective openings 2. Further, the contents can be taken out from the opening 2 different from the opening 2 in the accommodation direction. In this case, for example, the opening portion 2 whose contents are not in contact can be opened.

The bag body 10 with a fitting part according to claim 2 of the present invention is the bag body with a fitting part according to claim 1,
The opening 2 has at least a first opening 20a and a second opening 20b,
The fitting part 3 has a first fitting part 30 and a second fitting part 40;
The first fitting portion 30 is formed on the surfaces of the first film material 21 and the second film material 22 facing each other in the vicinity of the first opening 20a,
The second fitting portion 40 is formed on the surfaces of the first film material 21 and the second film material 22 facing each other in the vicinity of the second opening 20b.
The housing portion 25 is provided between the first fitting portion 30 and the second fitting portion 40.

  In this bag 10 with a fitting part, the 1st fitting part 30 is provided in the 1st opening part 20a, and the 2nd fitting part 40 is provided in the 2nd opening part 20b. Thereby, it becomes possible to provide the different fitting part 3 according to the characteristic of the opening part 2. FIG. For example, when the first opening 20a is on the upper side and the second opening 20b is on the lower side of the bag 10 with a fitting part, a large load is applied to the second fitting part 40 by the contents. Therefore, the reliability of the sealing function can be increased by increasing the fitting force from the inside of the accommodating portion 25 of the second fitting portion 40 as compared with the first fitting portion 30.

The bag body with a fitting part according to claim 3 of the present invention is the bag body with a fitting part according to claim 1 or 2,
The fitting portion 3 is provided in multiple stages in the opening 2 in the direction of entering and exiting the housing portion 25.

  In this fitting-equipped bag body 10 </ b> A, the inside of the housing portion 25 is closed by the plurality of fitting portions 3 with respect to the outside of the housing portion 25. Even if some of the multi-stage fitting portions 3 provided in the opening 2 are poorly fitted, the other fitting portions 3 ensure the airtightness / sealing performance of the housing portion 25.

The bag body with a fitting part of Claim 4 of this invention is a bag body with a fitting part of any one of Claims 1-3,
The fitting portion 3 has a fitting strength necessary for releasing the fitting that the fitting strength from the outside of the housing portion 25 is set lower than the fitting strength from the inside of the housing portion 25. Features.

  In this bag body 10 with a fitting portion, the fitting portion 3 has different fitting strengths in the inner and outer directions. That is, the fitting strength from the outside of the housing portion 25 is lower than the fitting strength from the inside of the housing portion 25. Opening from the outer side of the accommodating part 25 (opening edge 53 side) is facilitated, while opening from the inner side of the accommodating part 25 is difficult. Thereby, it can suppress that it opens carelessly (it opens). For example, even if the pressure such as the internal atmospheric pressure increases, it does not open easily, and it is safe especially for a configuration having a plurality of openings 2.

The bag body with a fitting part of Claim 5 of this invention is a bag body with a fitting part of any one of Claims 1-4,
At least any one of the plurality of fitting portions 3 has the male side fitting portion 31 in which a part is crushed in the thickness direction of the film material into a concave portion 50 at predetermined intervals in the extending direction. , 41.

  In this bag body 10 with a fitting part, the concave part 50 is formed in the male side fitting parts 31 and 41 of the fitting part 3 at a predetermined interval, so that the concave part is inserted into the female side fitting parts 32 and 42 during the closing operation. While making a sound (puchipuchi sound), it is possible to feel the feeling of fitting the recess into the finger of the closing operator. As a result, it is possible to clearly feel whether or not it is closed securely, and the operational feeling of the closing operation is improved.

The bag body with a fitting part of Claim 6 of this invention is a bag body with a fitting part of any one of Claims 1-5,
A rib 54 that protrudes in the direction of the facing surface along the opening edge 53 is formed on the inner surface of the opening 2 that faces the opening 2.

  In the bag body 10A with the fitting portion, the ribs 54 project from the inner surface of the opening portion 2, so that the first film material 21 and the second film material 22 are less likely to be in close contact with each other, for example, due to static electricity. Further, the rib 54 protrudes along the opening edge 53, so that the rigidity and tensile strength of the opening edge 53 are increased. In addition, fingers are easily caught on the rib 54, and even a thin film material can be easily grasped.

The bag body with a fitting part of Claim 7 of this invention is a bag body with a fitting part of Claim 6, Comprising:
The ribs 54 are provided so as to protrude from the inner surfaces facing each other, and are arranged so as to be shifted in the direction of entering and exiting the housing portion 25.

  In the bag body 10A with the fitting portion, the ribs 54 are provided in the staggered positions shifted in the entering / exiting direction, thereby improving the ease of opening and the strength of the fitting portion 3, and the contact between the ribs on the opposing surfaces. Is avoided.

The bag body 1 with a fitting part according to claim 8 of the present invention is the bag body with a fitting part according to claim 1 or 2,
The fitting part 3 is provided in multiple stages in the opening 2 in the direction of entering and exiting the storage part 25,
Of the plurality of fitting portions 3 in the opening portion 2, the fitting portion 3 on the opening side is partly crushed in the thickness direction of the film material at a predetermined interval in the extending direction to form the concave portion 50. It has the side fitting parts 31 and 41, It is characterized by the above-mentioned.

  In this bag portion 10A with a fitting portion, the fitting portion 3 having a higher sealing performance than the fitting portion 3 having the recess 50 is arranged so as to be inside the housing portion 25, for example, liquid or semi-fluid. Contents such as the body can be made difficult to leak.

  According to the bag body with a fitting part according to claim 1 of the present invention, the contents are taken in and out from a direction different from the direction in which the contents are put in, or other contents are inserted from a direction different from the direction in which the contents are put. The convenience of putting in and out the contents can be enhanced by a plurality of openings.

  According to the bag body with a fitting part of Claim 2 which concerns on this invention, the convenience of taking in / out of the content can be improved with two opening parts.

  According to the bag body with a fitting part of Claim 3 which concerns on this invention, airtightness and sealing property can be improved with a multistage fitting part.

  According to the bag body with a fitting part according to claim 4 of the present invention, the opening operability is improved by facilitating opening from the outside of the housing part, while the opening performance is difficult to open from the inside of the housing part, and the reliability of the housing performance is improved. Can be increased.

  According to the bag body with a fitting portion according to claim 5 of the present invention, it is possible to generate a recess insertion sound and a recess insertion tactile feeling at predetermined intervals as the fitting portion extends in the extending direction. A feeling can be improved.

  According to the bag body with a fitting portion according to claim 6 of the present invention, the difficulty of opening operation at the opening can be reduced by the rib provided along the opening edge. Moreover, the strength of the opening can be improved. In addition, the opening can be easily opened.

  According to the bag body with a fitting part according to claim 7 of the present invention, it is possible to suppress an increase in thickness due to overlapping of ribs when the bag body is overlapped, and the bulk at the time of stacking when the bag bodies are stacked. Tension can be suppressed.

  According to the bag body with a fitting part according to claim 8 of the present invention, it is possible to improve the feeling of closing operation while improving the airtightness and sealing performance.

(A) is the front view which showed an example of the bag body with a fitting part of this invention, (b) is the 1st film material and 2nd film material of the bag body with a fitting part continuing. It is the figure which showed the part which has been shaded. It is principal part sectional drawing when cut | disconnecting by II-II of the bag body with a fitting part of Fig.1 (a). It is sectional drawing to which the 1st fitting part of the bag body with a fitting part of Fig.1 (a) was expanded. It is sectional drawing to which the 2nd fitting part of the bag body with a fitting part of Fig.1 (a) was expanded. (A) is explanatory drawing showing the formation process of the male side fitting part which has a recessed part, (b) is an expansion perspective view of the male side fitting part in which the recessed part was provided. It is a figure of the structure which produces a recessed part insertion sound, Comprising: (a) is sectional drawing of the fitting structure in a part without a recessed part, (b) is sectional drawing of the fitting structure in a part with a recessed part. (A) is a front view of the structural example which has two fitting parts and two ribs in an opening part, (b) is sectional drawing of (a). It is sectional drawing of only the upper side of the bag body with a fitting part shown to Fig.7 (a). (A) is the front view which showed the other structural example of the bag body with a fitting part of this invention, (b) is the 1st film material and 2nd film material of the bag body with the fitting part, It is the figure which showed the part which is continued by the shaded part. (A) is the front view which showed the other structural example of the bag body with a fitting part of this invention, (b) is the 1st film material and 2nd film material of the bag body with the fitting part, It is the figure which showed the part which is continued by the shaded part. (A) is the front view which showed the other structural example of the bag body with a fitting part of this invention, (b) is the 1st film material and 2nd film material of the bag body with the fitting part, It is the figure which showed the part which is continued by the shaded part. It is sectional drawing which represented the modification from which the opening part of the bag body with a fitting part of this invention differs by (a)-(d). It is sectional drawing which represented the other modified example from which the opening part of the bag body with a fitting part of this invention differs in (a)-(e).

Embodiments according to the present invention will be described below with reference to the drawings.
Fig.1 (a) is the front view which showed an example of the bag body with a fitting part of this invention, (b) is the 1st film material and 2nd film material of the bag body with a fitting part. The figure which showed the continuous part by the oblique line part, FIG. 2 is principal part sectional drawing when cut | disconnecting by II-II of the bag body with a fitting part of Fig.1 (a).
As shown in FIGS. 1 and 2, in the bag body 10 with a fitting portion of the present embodiment, the first film material 21 and the second film material 22 that are superimposed are continuously provided at the peripheral edge portion 23. And formed on the mutually opposing surfaces of the bag body 20 having a plurality of openings 2 in the peripheral edge 23 and the first film material 21 and the second film material 22 in each of the openings 2 so as to be detachable from each other. The fitting part 3 having the male side fitting parts 31 and 41 and the female side fitting parts 32 and 42 that are fitted to open and close the opening part 2, and the first film material 21 and the second film material 22 And an accommodating portion 25 that is sandwiched and surrounded by the peripheral edge portion 23 and the fitting portion 3 and can accommodate the contents.

  More specifically, the bag body 10 with a fitting portion includes a bag main body 20 that accommodates contents, and a first fitting that is a fitting portion 3 formed along the lateral direction on the inner surface of the upper portion in the bag main body 20. It has the joint part 30 and the 2nd fitting part 40 which is the fitting part 3 formed in the inner surface of the lower part in the bag main body 20 along the horizontal direction.

  The bag body 20 is formed by superimposing a first film material 21 and a second film material 22 and joining them so that their peripheral portions 23 are continuous. In addition, the peripheral part 23 being continuous means that the first film material 21 and the second film material 22 are joined together by fusing sealing, heat sealing, or the like, and one film material is folded. This means that the film is connected and continued, including continuous. Note that the hatched portion in FIG. 1B indicates a portion where the peripheral edge portion 23 is continuous.

As shown in FIG. 2, the first fitting portion 30 and the second fitting portion 40 are formed on mutually opposing surfaces of the first film material 21 and the second film material 22, and It is integrally formed.
Moreover, the bag body 10 with a fitting part of this embodiment has the accommodating part 25 which can accommodate the content between the 1st fitting part 30 and the 2nd fitting part 40. FIG.

  The shape of the bag body 20 is rectangular in this embodiment. However, although the shape of the bag body 20 will be described later, it is not limited to a rectangle. Further, the size of the bag body 20 is not particularly limited, and may be appropriately selected depending on the contents accommodated in the bag body 20.

  The first film material 21 and the second film material 22 forming the bag body 20 are made of, for example, polyethylene such as low density polyethylene, linear low density polyethylene, and high density polyethylene, unstretched polypropylene, and ethylene-vinyl acetate. It is formed of a polymer, ionomer or the like.

Moreover, the 1st film material 21 and the 2nd film material 22 may be a single layer, and may provide functional layers, such as a barrier layer.
Moreover, the 1st film material 21 and the 2nd film material 22 may consist of 1 type of resin, and may consist of the resin composition containing 2 or more types of resin. Moreover, well-known additives, such as a stabilizer, antioxidant, a lubricant, an antistatic agent, and a coloring agent, may be added as needed.

  The first opening 20a which is the opening 2 formed in the bag body 20 and the second opening 20b which is the opening 2 are respectively a male fitting part 31 and a female side of the first fitting part 30. The fitting part 32 and the male fitting part 41 and the female fitting part 42 of the second fitting part 40 can be opened and closed repeatedly by attaching and detaching. The 1st fitting part 30 and the 2nd fitting part 40 are for sealing the 1st opening part 20a and the 2nd opening part 20b, respectively, and hold | maintaining the content in the accommodating part 25. FIG.

  As shown in FIG. 2, the first fitting portion 30 is provided in the vicinity of the first opening 20a, and includes a male-side fitting portion 31 and a female-side fitting portion 32 that are detachably fitted to each other. Have.

  The 1st fitting part 30 may be formed from the same material as the 1st film material 21 and the 2nd film material 22 which form the bag main body 20, and may differ. Examples of the material include polyethylene such as low density polyethylene, linear low density polyethylene, and high density polyethylene, unstretched polypropylene, ethylene-vinyl acetate copolymer, and ionomer.

  Moreover, the 1st fitting part 30 may consist of 1 type of resin, and may consist of the resin composition containing 2 or more types of resin. Moreover, well-known additives, such as a stabilizer, antioxidant, a lubricant, an antistatic agent, and a coloring agent, may be added as needed.

FIG. 3 is an enlarged cross-sectional view of the first fitting portion of the bag with fitting portion of FIG.
As shown in FIG. 3, the female fitting portion 32 of the first fitting portion 30 rises from the facing portion 22 a of the second film material 22, and has a concave portion 32 c into which the male fitting portion 31 is fitted. The first arm portion 32a and the second arm portion 32b are formed, and the second arm portion 32b side of the second film material 22 is set to the side of the accommodating portion 25 that accommodates the contents of the bag. It is formed on the inner surface in the vicinity of the first opening 20a.

  As shown in FIG. 3, the female side fitting part 32 has a first arm part 32a and a second arm part 32b formed vertically symmetrically. The female-side fitting portion 32 is formed in a hook shape in which the tips of the first arm portion 32a and the second arm portion 32b are folded back toward the concave portion 32c.

  The male fitting part 31 has a trunk part 31a rising from the facing part 21a of the first film material 21, and a head part 31b having a substantially semicircular cross section larger than the trunk part 31a provided at the tip part of the trunk part 31a. doing. As shown in FIG. 3, the first opening 20a side of the head portion 31b is formed to be continuous with the trunk portion 31a at an angle of about 135 °. Further, the accommodating portion 25 side of the head portion 31b is formed so as to be continuous at an angle of about 90 ° with respect to the trunk portion 31a.

  The female-side fitting portion 32 includes a first arm portion 32a and a second arm portion 32b that rise in a circular arc shape from the opposing portion 22a of the second film material 22, and the first arm portion 32a and the second arm portion 32b. A recess 32c is formed by the arm portion 32b. The male fitting portion 31 and the female fitting portion 32 can be detachably fitted by fitting the head portion 31b of the male fitting portion 31 into the recess 32c of the female fitting portion 32. ing.

  The first fitting portion 30 is such that the first opening 20a side of the head portion 31b of the male fitting portion 31 is about 135 ° with respect to the trunk portion 31a, and the accommodating portion 25 side of the head portion 31b is with respect to the trunk portion 31a. Therefore, the head portion 31b of the male side fitting portion 31 has a first arm rather than the second arm portion 32b of the female side fitting portion 32. The portion 32a is configured to easily get over. Thereby, when releasing the fitting of the male side fitting part 31 and the female side fitting part 32, it is smaller force to release from the 1st opening part 20a side than releasing from the accommodating part 25 side. It can be canceled with.

  The first fitting portion 30 has a fitting strength on the first opening 20a side, that is, a force required to release the fitting is 5.0 N / 50 mm or more and 20.0 N / 50 mm or less. It is preferable that it is 0.0N / 50mm or more and 15.0N / 50mm or less. If the fitting strength is 5.0 N / 50 mm or more, it is not easily released from the first opening 20a side, and if it is 20.0 N / 50 mm or less, a large force is not required for releasing.

On the other hand, as for the 1st fitting part 30, the fitting intensity | strength by the side of the accommodating part 25 is 15.0N / 50mm or more and 25.0N / 50mm or less, and is 18.0N / 50mm or more and 23.0N / 50mm or less. It is preferable. If the fitting strength is 15.0 N / 50 mm or more, the contents can be held. If the fitting strength is 25.0 N / 50 mm or less, the first film material 21 and the second film on the housing portion 25 side can be used as necessary. This film material 22 can be released by picking and spreading.
For the fitting strength, a 50 mm wide test piece was cut out from the bag with fitting portion, and the fitting strength per 50 mm width of the fitting portion width was measured using a tensile tester (Toyo Seiki Seisakusho, Strograph). The suitability can be examined by measuring at a test speed of 50 mm / min.

  As shown in FIG. 2, the second fitting portion 40 is provided in the vicinity of the second opening 20b in each of the facing portion 21b of the first film material 21 and the facing portion 22b of the second film material 22. And a male-side fitting part 41 and a female-side fitting part 42 that are detachably fitted to each other.

  The 2nd fitting part 40 may be formed from the same material as the 1st film material 21 and the 2nd film material 22 which form the bag main body 20, and may differ. Examples of the material include polyethylene such as low density polyethylene, linear low density polyethylene, and high density polyethylene, unstretched polypropylene, ethylene-vinyl acetate copolymer, and ionomer.

  Moreover, the 2nd fitting part 40 may consist of 1 type of resin, and may consist of the resin composition containing 2 or more types of resin. Moreover, well-known additives, such as a stabilizer, antioxidant, a lubricant, an antistatic agent, and a coloring agent, may be added as needed.

FIG. 4 is an enlarged cross-sectional view of the second fitting portion of the bag with fitting portion of FIG.
As shown in FIG. 4, the female fitting portion 42 of the second fitting portion 40 rises from the facing portion 22 b of the second film material 22, and has a concave portion 42 c into which the male fitting portion 41 is fitted. It has the 1st arm part 42a and 2nd arm part 42b to form, and makes the 1st arm part 42a side into the accommodating part 25 side of a bag body, and the 2nd opening part of the 2nd film material 22 It is formed on the inner surface of 20b.

  As shown in FIG. 4, in the female side fitting portion 42, a first arm portion 42a and a second arm portion 42b are formed vertically symmetrically. The female-side fitting portion 42 is formed in a hook shape in which the tips of the first arm portion 42a and the second arm portion 42b are folded back toward the concave portion 42c.

  The male side fitting part 41 has a trunk part 41a rising from the facing part 21b of the first film material 21, and a head part 41b having a substantially semicircular cross section larger than the trunk part 41a provided at the tip part of the trunk part 41a. doing. As shown in FIG. 4, the accommodating portion 25 side of the head portion 41b is formed to be continuous at an angle of about 65 ° with respect to the trunk portion 41a. On the other hand, the second opening 20b side of the head 41b is formed to be continuous at an angle of about 135 ° with respect to the trunk 41a.

  The female-side fitting portion 42 includes a first arm portion 42a and a second arm portion 42b that rise in an arc shape in cross section from the facing portion 22b of the second film material 22, and the first arm portion 42a and the second arm portion 42b. A recess 42c is formed by the arm portion 42b. The male side fitting part 41 and the female side fitting part 42 can be detachably fitted by fitting the head part 41b of the male side fitting part 41 into the concave part 42c of the female side fitting part 42. ing.

In the second fitting portion 40, the accommodating portion 25 side of the head portion 41b of the male fitting portion 41 is at an angle of about 65 ° with respect to the trunk portion 41a, and the second opening 20b side of the head portion 41b is on the trunk portion 41a. Is formed so as to be continuous at an angle of about 135 ° with respect to the first arm portion 42a of the female side fitting portion 42 so that the head portion 41b of the male side fitting portion 41 has a second arm. The portion 42b is configured to easily get over. Thereby, when releasing the fitting of the male side fitting part 41 and the female side fitting part 42, it is smaller force to release from the second opening 20b side than to release from the accommodating part 25 side. It can be canceled with.
In the second fitting part 40, the housing part 25 side of the head part 41b of the male fitting part 41 is formed so as to be continuous at an angle of about 65 ° with respect to the trunk part 41a. When the fitting between the fitting portion 41 and the female side fitting portion 42 is released, the hook portion of the first arm portion 42a of the female side fitting portion 42 is fitted. As a result, the fitting strength on the housing portion 25 side of the second fitting portion 40 is greater than that on the housing portion 25 side of the first fitting portion 30.

  The second fitting portion 40 has a fitting strength on the second opening 20b side, that is, a force required to release the fitting is 5.0 N / 50 mm or more and 20.0 N / 50 mm or less. It is preferable that it is 0.0N / 50mm or more and 15.0N / 50mm or less. If the fitting strength is 5.0 N / 50 mm or more, it is not easily released from the second opening 20 b side, and if it is 20.0 N / 50 mm or less, a large force is not required for releasing.

  On the other hand, as for the 2nd fitting part 40, the fitting strength by the side of the accommodating part 25 is 35.0N / 50mm or more and 50.0N / 50mm or less, and is 37.0N / 50mm or more and 48.0N / 50mm or less. It is preferable. If the fitting strength is 35.0 N / 50 mm or more, heavy contents can be held.

Next, an example to which the present invention is applied will be shown. Note that the vertical direction in FIG. 1A will be described as the height, and the horizontal direction as the width.
The bag body with the fitting portion has a height of 300 mm, a width of 250 mm, a distance from the first opening 20 a to the first fitting portion 30 of 30 mm, and the second opening 20 b to the second fitting portion. The distance to 40 is 30 mm, and the distance between the first fitting portion 30 and the second fitting portion 40 is 240 mm.

  In addition, the first fitting portion 30 is formed with a fitting strength on the first opening 20a side of 12.0 N / 50 mm and a fitting strength on the housing portion 25 side of 20.0 N / 50 mm. The fitting portion 40 is formed with a fitting strength on the second opening 20b side of 12.0 N / 50 mm and a fitting strength on the housing portion 25 side of 40.0 N / 50 mm.

  Therefore, the fitting part of the bag body with the fitting part is easily fitted from the first opening part 20a side of the first fitting part 30 and the second opening part 20b side of the second fitting part 40. Can be canceled. Further, if necessary, the first fitting part 30 is released from the accommodating part 25 side by picking and opening the first film material and the second film material on the accommodating part 25 side. be able to. On the other hand, since the fitting portion 25 side of the second fitting portion 40 has a high fitting strength, for example, even if the second opening 20b side is directed downward while the contents are accommodated, the second fitting portion 40 is provided. The mating portion 40 is unfitted and the contents are less likely to fall.

In addition, the bag body with a fitting part of this invention is not limited to the form mentioned above.
For example, the separation distance between the first fitting portion 30 and the second fitting portion 40 is not particularly limited, and the separation distance may be set according to the contents.

  Moreover, in this embodiment, although the fitting strength of the 1st opening part 20a side of the 1st fitting part 30 and the 2nd opening part 20b side of the 2nd fitting part 40 is formed equally, However, the present invention is not limited to this, and either one of the fitting strengths may be increased. For example, the fitting strength on the first opening 20a side of the first fitting portion 30 is 12.0 N / 50 mm, and the fitting strength on the second opening 20b side of the second fitting portion 40 is 20 It is good also as 0.0N / 50mm. Thereby, since it becomes difficult to cancel | release fitting from the opening side of the 2nd fitting part 40, the function of a child lock can be provided.

  In the present embodiment, the bag body and the fitting portion are integrally formed. However, the bag body and the fitting portion are separately formed, and the fitting portion is formed by joining them by heat sealing or the like. An attached bag may be formed.

The effect | action of the bag body 10 with a fitting part of the said structure is demonstrated.
In the bag body 10 with a fitting part, the bag main body 20 is provided with a plurality of openings 2. When the fitting parts 3 in all the openings 2 are closed by fitting, the housing part 25 is sealed. The contents can be taken out from the opening 2 by releasing the fitting portion 3 at any predetermined position. The contents are taken out in a plurality of taking-out directions. That is, a desired take-out direction can be obtained. In addition, by releasing the desired fitting portion 3, it is possible to access the contents in the housing portion, for example, contact, connection, support, partial cutout, and the like. Since there are a plurality of openings 2 that can be freely opened and closed, different accesses to the contents can be simultaneously performed from the respective openings 2. Further, the contents can be taken out from the opening 2 different from the opening 2 in the accommodation direction. In this case, for example, the opening portion 2 whose contents are not in contact can be opened.

  Moreover, in this bag body 10 with a fitting part, the 1st fitting part 30 is provided in the 1st opening part 20a, and the 2nd fitting part 40 is provided in the 2nd opening part 20b. Thereby, it becomes possible to provide the different fitting part 3 according to the characteristic of the opening part 2. FIG. For example, in the bag body 10 with a fitting portion, when the first opening portion 20a is on the upper side and the second opening portion 20b is on the lower side, that is, an upward opening portion (first opening portion 20a) and a downward opening portion. In the case of the bag body 10 including the (second opening portion 20b), a large load is applied to the second fitting portion 40 on the lower side due to the contents. Therefore, the reliability of the sealing function can be increased by increasing the fitting force from the inside of the accommodating portion of the second fitting portion 40 as compared with the first fitting portion 30. As a result, according to the bag body 10 with a fitting part, the convenience of taking in / out of the contents can be improved by the plurality of openings 2 while improving the reliability of the sealing function.

Next, the other structural example and modification of the bag body 10 with a fitting part are demonstrated.
FIG. 5A is an explanatory view showing a molding process of a male fitting portion having a recess, and FIG. 5B is an enlarged perspective view of the male fitting portion provided with a recess.
As for the bag body 10 with a fitting part, at least any one fitting part 3 among the plurality of fitting parts 3 is partially crushed in the thickness direction of the film material at predetermined intervals in the extending direction to form a recess 50. It may have the male side fitting parts 32 and 42. The male side fitting portions 32 and 42 are formed by crushing the head portions 31b and 41b, for example, by heating and compression, so that the head portions 31b and 41b are contracted to the trunk portions 31a and 41a side, and the concave portions 50 are formed. The The recess 50 is formed with a hanging edge 51 protruding from the bottom surface of the recess 50 during deformation. The hook edge 51 is locked by the female side fitting portions 32 and 42.

FIGS. 6A and 6B are views of a structure that generates a recess insertion sound, where FIG. 6A is a cross-sectional view of the fitting structure in a portion without a recess, and FIG. 6B is a cross-sectional view of the fitting structure in a portion having a recess.
In this bag body 10 with a fitting part, by forming the recessed part 50 in the male side fitting parts 32 and 42 of the fitting part 3 at a predetermined interval, while making a recessed part insertion sound (puchipuchi sound) during the closing operation, the bag part 10 is closed. It is possible to make the operator's fingers feel a feeling of insertion of the recesses. As a result, it can be clearly felt whether or not it is closed securely. As a result, according to the bag body 10 with a fitting part, the recessed part insertion sound of a predetermined space | interval, ie, a continuous popping sound, and a recessed part fitting feel is produced continuously with the closure of the extending direction of the fitting part 3. It is possible to improve the closing operation feeling.

Fig.7 (a) is a front view of the structural example which has two fitting parts and two ribs in an opening part, (b) is sectional drawing of (a).
As for the bag body 10A with a fitting part which concerns on this structural example, the fitting part 3 is provided in multiple steps, for example in two steps, in the exit / entry direction with respect to the accommodating part 25 in the opening part 2. FIG.

  Further, in the bag body with fitting portion 10 </ b> A, ribs 54 that protrude in the facing surface direction along the opening edge portion 53 are formed on the facing inner surface of the opening portion 2.

FIG. 8 is a cross-sectional view of only the upper side of the bag with fitting portion shown in FIG.
In the bag body 10A with the fitting portion, the ribs 54 are provided so as to protrude from the opposing inner surfaces, and are shifted in the direction of entering and exiting the housing portion 25.

  In the bag body 10 </ b> A with the fitting portion, the inside of the housing portion 25 is closed by the plurality of fitting portions 3 with respect to the outside of the housing portion 25. Even if some of the multi-stage fitting portions 3 provided in the opening 2 are poorly fitted, the other fitting portions 3 ensure the airtightness / sealing performance of the housing portion 25. As a result, according to the bag body 10 </ b> A with the fitting portion, the airtightness / sealing performance can be improved by the multistage fitting portion 3.

  In addition, in the bag body 10A with the fitting portion, the ribs 54 project from the inner surface of the opening 2 so that the first film material 21 and the second film material 22 are hardly adhered to each other due to static electricity or the like, for example. Become. Further, the rib 54 protrudes along the opening edge 53, so that the rigidity and tensile strength of the opening edge 53 are increased. In addition, fingers are easily caught on the rib 54, and even a thin film material can be easily grasped. As a result, according to the bag body 10A with the fitting portion, it is possible to reduce difficulty in performing the opening operation in the opening portion 2. Further, the strength of the opening 2 can be improved. In addition, it is easy to put a finger on the opening 2 and the opening 2 can be easily opened.

Furthermore, in this bag body 10A with a fitting part, by providing the rib 54, the contact of the ribs 54 in an opposing surface is avoided, improving the opening ease and intensity | strength of the fitting part 3. FIG. As a result, according to the bag body 10A with a fitting part, when the bag main body 20 is piled up, the thickness increase by the ribs 54 overlapping can be suppressed, and the bulkiness at the time of lamination | stacking can be suppressed.
The ribs 54 may also be provided in multiple stages in the opening 2 in the direction of getting in and out of the accommodating portion 25, and the finger catching is further improved and the anti-slip effect can be obtained.

  Further, in the bag body 10A with the fitting portion, the fitting portion 3 is provided in multiple stages in the opening portion 2 in the direction of entering and exiting the storage portion 25, and among the plurality of fitting portions 3 in the opening portion 2, the opening portion side. The fitting part 3 can also be made into the recessed part 50 partly crushed in the film material thickness direction at predetermined intervals of the extending direction.

  In this bag body 10A with a fitting part, rather than the fitting part 3 having the recessed part 50, the fitting part 3 having a high sealing performance that does not have the recessed part 50 is arranged so as to be on the housing part 25 side. For example, contents such as liquid and semi-fluid can be made difficult to leak. As a result, according to the bag body 10A with the fitting portion, it is possible to improve the feeling of closing operation while improving the airtightness and sealing performance, and also to confirm the operation of the closing operator.

Fig.9 (a) is the front view which showed the other structural example of the bag body with a fitting part of this invention, (b) is the 1st film material and 2nd film of the bag body with a fitting part It is the figure which showed the part which the material has continued in the shaded part.
Moreover, in this embodiment, although the shape of the bag main body 20 was made into the rectangle, it is not limited to it. For example, as shown in FIG. 9, the bag body with fitting portion 10 </ b> B has a shape in which the upper portion of the rectangular bag body 20 is cut into a semicircular shape to form the first opening 20 a, that is, the width of the bag body 20. The opening 20a may be formed smaller than the length.

FIG. 10A is a front view showing another configuration example of the bag body with a fitting portion of the present invention, and FIG. 10B is a first film material and a second film of the bag body with the fitting portion. It is the figure which showed the part which the material has continued in the shaded part.
As shown in FIG. 10, the fitting-attached bag body 10 </ b> C may have a shape in which the first opening 20 a is formed by cutting off the upper corner of the rectangular bag body 20.

FIG. 11A is a front view showing another configuration example of the bag body with a fitting portion of the present invention, and FIG. 11B is a first film material and a second film of the bag body with the fitting portion. It is the figure which showed the part which the material has continued in the shaded part.
As shown in FIG. 11, the bag body with fitting portion 10 </ b> D is formed by cutting the upper corner portion of the rectangular bag body 20 to form the first opening 20 a and cutting the lower corner portion to remove the second corner portion. The shape which formed the opening part 20b may be sufficient. In these examples, the first fitting portion 30 is formed in the vicinity of the first opening 20a, and the second fitting portion 40 is formed in the vicinity of the second opening 20b so that the fitting portion is attached. A bag may be formed.

Below, the shape of the bag main body 20, the position of the fitting part 3, and the variation of a number are demonstrated.
FIG. 12 is a cross-sectional view showing modifications (a) to (d) in which the opening of the bag body with a fitting portion of the present invention is different.
As shown to Fig.12 (a), the bag body 10E with a fitting part is equipped with the opening part 2 in two adjacent sides of the square bag main body 20, and can provide the fitting part 3 in each.
As shown in FIG. 12 (b), the bag body with fitting portion 10 </ b> F is provided with two openings on one side of the rectangular bag body 20, and the fitting portion 3 is provided on these two openings 2. it can.
As shown in FIG. 12 (c), the bag body with fitting portion 10 </ b> G is provided with openings 2 on three sides of a rectangular bag body 20, that is, a bag body having three openings 2. One opening 2 can be provided with a fitting portion 3.
As shown in FIG. 12 (d), the bag body with fitting portion 10H has the opening portion 2 on one side of the quadrangular bag body 20 to provide the fitting portion 3, and corners on both sides of the opposite sides. Each of the openings 2 is provided, that is, the three openings 2 are provided, and the fitting portions 3 can be provided in the inclined openings 2.

FIG. 13: is sectional drawing which represented the other modified example from which the opening part of the bag body with a fitting part of this invention differs in (a)-(e).
As shown to Fig.13 (a), the bag body 10I with a fitting part provides the opening part 2 in the three corners of the square bag main body 20, and provides the fitting part 3 in each opening part 2. FIG. it can.
As shown in FIG. 13 (b), the bag body 10J with a fitting portion is provided with openings 2 at four corners of a square bag body 20, and provided with fitting portions 3 at each oblique opening 2, That is, it can be set as the bag body provided with the opening part 2 in four directions.
As illustrated in FIG. 13C, the fitting-equipped bag body 10 </ b> K can be provided with the opening portions 2 at both ends of the L-shaped bag body 20, and the fitting portions 3 can be provided at these opening portions 2.
As shown in FIG. 13 (d), the fitting-equipped bag body 10 </ b> L can be provided with the fitting portions 3 on the U-shaped open side and the curved bottom portion of the U-shaped bag body 20. In this case, the fitting portion 3 provided on the curved bottom portion can be formed by being curved.
As shown in FIG. 13 (e), the fitting-equipped bag body 10M has a configuration in which openings 2 are provided at both upper ends of the Y-shaped bag body 20, and the openings 2 are provided at different angles. The fitting part 3 can be provided.

  Further, although not shown in the drawings, the structure of the bag body may have a gusset other than a structure in which only two films overlap. The gusset may be provided on the peripheral edge or may be provided on the bottom.

  The shape of the heads 31b and 41b of the male side fitting parts 31 and 41 of the first and second fitting parts 30 and 40 and the first arm parts 41a and 42a of the female side fitting parts 41 and 42 are also shown. The shapes of the second arm portions 41b and 42b are not limited to those described above, and the shapes can be changed as appropriate in order to obtain a desired fitting strength.

  For example, in the present embodiment described above, the first opening 20a side of the head portion 31b of the male side fitting portion 31 is formed so as to be continuous at an angle of about 135 ° with respect to the trunk portion 31a. The angle with respect to the trunk portion 31a may be an obtuse angle of 95 to 150 ° so as to satisfy a desired fitting strength. The same applies to the second opening 20b side of the head portion 41b of the male fitting portion 41.

Moreover, in this embodiment, although the accommodating part 25 side of the head part 31b of the male side fitting part 31 is formed so that it may continue at an angle of about 90 degrees with respect to the trunk part 31a, it is limited to this. Instead, the angle with respect to the trunk portion 31a may be set to 75 to 105 ° so as to satisfy a desired fitting strength.
Moreover, in this embodiment, although the accommodating part 25 side of the head part 41b of the male side fitting part 41 is formed so that it may continue at an angle of about 65 degrees with respect to the trunk part 41a, it is limited to this. Instead, the angle with respect to the trunk portion 41a may be an acute angle of 50 to 85 ° so as to satisfy a desired fitting strength.

Furthermore, in the present embodiment, the first arm portions 41a and 42a and the second arm portions 41b and 42b of the female side fitting portions 41 and 42 are formed so as to be symmetrical, but this is not limitative. Is not to be done.
For example, in order to satisfy the desired fitting strength, as shown in FIG. 3, the distance d1 from the hook-shaped innermost portion of the first arm portion 32a to the outermost portion of the concave portion 32c, and the second arm portion 32b You may form so that the distance d2 from hook innermost part to the outermost part of the recessed part 32c may be set to d1 <d2.
Further, in order to satisfy a desired fitting strength, as shown in FIG. 4, a distance d3 from the hook-shaped innermost portion of the first arm portion 42a to the outermost portion of the concave portion 42c, and the second arm portion 42b You may form so that the distance d4 from hook innermost part to the outermost part of the recessed part 42c may be set to d4 <d3.

  Therefore, according to the bag body 10 with a fitting part which concerns on this embodiment, the convenience of taking in / out of the content can be improved with the some opening part 2. FIG.

DESCRIPTION OF SYMBOLS 2 ... Opening part 3 ... Fitting part 10 ... Bag body with fitting part 20 ... Bag main body 20a ... Opening part (1st opening part)
20b ... opening (second opening)
DESCRIPTION OF SYMBOLS 21 ... 1st film material 22 ... 2nd film material 23 ... Peripheral part 25 ... Accommodating part 30 ... 1st fitting part 31 ... Male side fitting part 32 ... Female side fitting part 40 ... 2nd fitting Joint part 41 ... Male side fitting part 42 ... Female side fitting part 50 ... Recessed part 53 ... Opening edge part 54 ... Rib

Claims (8)

The overlapped first film material and second film material are continuous at their peripheral portions, and a bag body having a plurality of openings at the peripheral portions,
A male-side fitting portion and a female-side portion that are formed on the mutually facing surfaces of the first film material and the second film material in each of the openings and that are detachably fitted to each other to open and close the opening. A fitting portion having a fitting portion;
An accommodating portion that is sandwiched between the first film material and the second film material and is surrounded by the peripheral edge portion and the fitting portion to accommodate the contents;
The bag body with a fitting part characterized by comprising. The opening has at least a first opening and a second opening;
The fitting portion has a first fitting portion and a second fitting portion,
The first fitting portion is formed on the surfaces of the first film material and the second film material facing each other in the vicinity of the first opening.
The second fitting portion is formed on the surfaces of the first film material and the second film material facing each other in the vicinity of the second opening.
The bag body with a fitting portion according to claim 1, wherein the housing portion is provided between the first fitting portion and the second fitting portion.   The bag with a fitting part according to claim 1 or 2, wherein the fitting part is provided in multiple stages in the opening part in the direction of entering and exiting the housing part.   The fitting portion is characterized in that the fitting strength necessary for releasing the fitting is set lower than the fitting strength from the inside of the housing portion compared to the fitting strength from the inside of the housing portion. The bag body with a fitting part of any one of Claims 1-3.   At least any one of the plurality of fitting portions has the male fitting portion in which a part thereof is crushed into a concave portion in the film material thickness direction at predetermined intervals in the extending direction. The bag body with a fitting part of any one of Claims 1-4 characterized by the above-mentioned.   The fitting according to any one of claims 1 to 5, wherein a rib protruding in the direction of the facing surface along the opening edge is formed on an inner surface facing the opening. Bag with part.   The bag with fitting portion according to claim 6, wherein the rib is provided so as to protrude from each of the opposing inner surfaces and is displaced in the direction of entering and exiting the housing portion. The fitting portion is provided in multiple stages in the opening / closing direction with respect to the accommodating portion at the opening,
Of the plurality of fitting portions in the opening portion, the fitting portion on the opening portion side is crushed in a part in the thickness direction of the film material at every predetermined interval in the extending direction, thereby forming a male fitting portion. The bag body with a fitting part according to claim 1, wherein the bag body has a fitting part.

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