JP2012001240A - Packaging bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging bag which keeps a packaged item at a fixed position in a liquid tank.SOLUTION: This packaging bag, mounted on a linear connecting member 103 for connecting a plug member 102 for closing the water discharge hole 101 of a liquid tank 100 to a part of the tank 100, is provided with a storage part 1 for enclosing a packaged item 3 inside and a sealing part 2 for closing at least one end of the part 1 flatly. The sealing part 2 is provided with a holding means 6 which is freely removably mounted on the member 103 and which maintains the mounted position in the mounted condition.

Description

  The present invention relates to a packaging bag having a storage portion that encloses an article to be packaged and a sealing portion that closes at least one end of the storage portion in a planar shape.

  Some packaging bags for wrapping merchandise are provided with a suspending portion for enabling hanging display at a store (Patent Documents 1 to 5). The packaging bags of Patent Literature 1 to Patent Literature 5 have a storage portion in which an article to be packaged is stored, and a sealing portion (so-called header portion) that closes an end of the storage portion in a planar shape. A suspended portion is provided in the part. These hanging parts are comprised by the hole part in which a hanging rod is inserted, and the notch extended from this hole part to the edge of a sealing part. These cuts and holes have been proposed in various shapes in consideration of the work efficiency of attaching and removing packaging bags.

  For example, Patent Document 1 discloses a cut extending obliquely from the upper end edge of the sealing portion to the lower end of the hole portion, and Patent Document 2 discloses a cut extending vertically from the upper end edge of the sealing portion to the upper end of the hole portion. However, Patent Document 3 discloses a substantially L-shaped cut, and Patent Document 4 discloses a substantially J-shaped cut. Further, Patent Document 5 proposes that a reinforcing piece made of a synthetic resin sheet or the like is provided at a suspended portion where a cut and a hole are provided.

Japanese Utility Model Publication No. 51-33194 Japanese Utility Model Publication No. 56-172548 Japanese Utility Model Publication No. 60-146043 Utility Model Registration No. 3030645 Japanese Patent No. 2936410

  The packaging bag of each of the above patent documents is displayed in a state of being suspended at a storefront by engaging a hole with the suspension bar, and the packaging bag in the suspended state is displayed on the suspension bar. It is intended to be easily taken out from. For this reason, the inner diameter of the hole is designed to be larger than the outer diameter of the suspension bar, so that the packaging bag can be easily moved along the axial direction of the suspension bar, and the tip of the suspension bar The packaging bag can be easily taken out from the part.

  As described above, the packaging bag having the hanging portion for the purpose of hanging display cannot easily resist the force when the force along the axial direction of the hanging rod is applied, and moves easily. For this reason, even when it is desired to maintain the packaging bag at a predetermined position, the position cannot be maintained.

  By the way, depending on the item to be packaged, it is effective to use it at a temperature other than room temperature. In the case of such an article to be packaged, for example, by keeping the packaging bag in the liquid for a certain period of time, the article to be packaged can be uniformly and quickly brought to the same temperature as the liquid. However, since the packaging bag described in each patent document is not provided with a means for maintaining the attached position, when it is immersed in a liquid, it easily rises to the water surface due to the buoyancy generated in the packaging bag. And cannot be kept in the liquid. In the state where the packaging bag floats on the water surface, only a part of the packaging bag comes into contact with the liquid, so that heat cannot be efficiently transferred between the packaging object and the liquid. Thus, it takes time to bring the packaged object to the same temperature as the liquid, and the temperature of the packaged object may be uneven. Therefore, in order to keep the packaging bag described in each of the above patent documents in the liquid, there is a problem that it is necessary to support the packaging bag by hand. In addition, when the liquid is hot or harmful to the human body, a person may not be able to support the packaging bag by hand.

  An object of the present invention is to solve these problems of the prior art and to provide a packaging bag that can hold an object to be packaged in a fixed position in a liquid tank.

  In order to achieve the above object, the present invention is a packaging bag attached to a linear connecting member that connects a plug member that closes a drain hole of a liquid tank to a part of the liquid tank, and an object to be packaged is placed inside. A storage unit that encloses and a sealing unit that closes at least one end of the storage unit in a planar shape, and is detachably attached to the connecting member, and the holding means that maintains the mounting position in the mounted state is sealed. The packaging bag provided in the section is provided.

  According to the packaging bag of the present invention, the storage portion can be maintained at a fixed position in the liquid tank via the holding means, and can be held at a fixed position in the liquid tank. In particular, even if the mounting position exists in the liquid stored in the liquid tank or in the liquid flowing through the liquid tank, the sealing part is held at the mounting position by the holding means even if the packaging bag tries to move due to buoyancy or flow. As a result, the packaging bag can be kept in the liquid.

  It is desirable that the holding means is constituted by a notch extending from the end edge of the sealing portion to an inward position. Thereby, when attaching a packaging bag to a connection member, since a connection member is guided to an inward position (storage part side) when a user passes a connection member along a notch part, attachment to a connection member is carried out. Is easy and easy to use. Similarly, when removing, it can be easily removed simply by moving the connecting member along the notch. Furthermore, it is not necessary to provide a separate member or perform complicated processing, and the holding means can be formed at a low cost.

  The notch includes a first notch extending from the edge of the sealing portion to the inward position, and a part or all of the first notch is attached to the end of the connecting member in the attached state. It is desirable to configure so as to be a retaining portion that restricts the slipping out. Here, the term “preventing part” refers to a part that resists the disconnection of the connecting member to the end of the sealing part, and refers to a part that prevents the connecting member from immediately coming out of the first cut part. When the packaging bag is attached to the connecting member, buoyancy is generated in the storage portion. At this time, if the first cut portion is constituted only by a cut extending along the direction pulled by the buoyancy, the connecting member may be pulled out immediately. However, by making a part or all of the first notch part a retaining part constituted by a notch extending in a direction different from the direction pulled by buoyancy, this retaining part serves as a resistance against disconnection of the connecting member. The connecting member can be prevented from coming out of the first cut portion.

  The notch is connected to the first notch extending from the edge of the sealing part to the inward position, and the edge of the first notch on the accommodating part side at the inward position, It is desirable to provide an engagement hole that can engage with the connecting member. Thereby, after a connection member arrives at the edge by the side of the storage part of the 1st notch part, an engagement hole will be in an engagement state with a connection member, and can hold a connection member stably over a long period of time.

  The engagement hole preferably has a maximum inner diameter that is the same as or smaller than the maximum outer diameter of the connecting member. Thereby, the outer diameter part of a connection member is caught in an engagement hole, and a connection member does not pass through an engagement hole. Therefore, the sealing portion can be prevented from shifting in the axial direction of the connecting member, and the packaging bag can be easily maintained at a fixed position in the liquid tank. In particular, when the connecting member is a ball chain, the connecting shaft disposed between adjacent balls is locked in the engaging hole. For this reason, by making the maximum inner diameter of the engagement hole equal to or smaller than the maximum outer diameter of the ball, it is possible to effectively restrict the ball from passing through the engagement hole and the sealing portion from shifting in the axial direction of the connecting member. Can do. In this case, the maximum inner diameter of the engagement hole is desirably 1 to 4 mm. Thereby, even if it is a case where the buoyancy which acts on a storage part is large, a packaging bag can be maintained in the fixed position in a liquid tank.

  Moreover, the said engagement hole can be comprised by the area | region enclosed by the bifurcated 2nd notch part following the edge by the side of the accommodating part of the said 1st notch part. That is, a region surrounded by the bifurcated second cut portion becomes a bent piece, and the bent piece is centered on a line (bent portion) connecting both end edges of the bifurcated second cut portion. The engagement hole is opened. And in a state where the connecting member is engaged with the engaging hole, the bent piece returns so as to close the engaging hole, thereby restricting the sealing portion from shifting in the axial direction of the connecting member. Thereby, the packaging bag can be maintained at a fixed position in the liquid tank. Further, since the bent piece is not separated from the sealed portion, chips are not produced in the manufacturing process. Thereby, the manufacturing process can be simplified and the cost can be reduced.

  It is preferable that the region surrounded by the second cut portion bends around a portion connecting both end edges of the second cut portion by insertion of the connecting member. Thereby, when inserting a connection member in the engagement hole formed by the 2nd notch part, a bending part does not become resistance of insertion of a connection member, but it bends easily. That is, the connecting member can be easily inserted into the bifurcated second cut portion side, which is easy for the user to use.

  The holding means is attached to a connecting member, so that the storage portion is held in the liquid in the liquid tank. As a result, the entire storage unit comes into contact with the liquid, and the storage unit can efficiently transfer heat to and from the liquid. Therefore, the packaged object quickly reaches the same temperature as the liquid, and the packaged object has a uniform temperature. For this reason, when it is desired to bring the packaged item to a desired temperature, the temperature of the packaged item is uniformly and quickly set to the desired temperature by fastening the packaging bag in a liquid tank filled with the liquid having the temperature. be able to.

  As described above, according to the present invention, the packaging bag can be held at a fixed position in the liquid tank, and the packaged object can be made uniform and rapidly the same as the liquid temperature.

1st Embodiment of the packaging bag which concerns on this invention is shown, (a) is a front view, (b) is a right view, (c) is a top view. It is an enlarged view of the notch part shown in FIG. It is a perspective view explaining the attachment method to the connection member of the packaging bag shown in FIG. 1, (a) is before attachment, (b) is in the middle of attachment, (c) is after attachment. It is a perspective view which shows the state which attached the packaging bag shown in FIG. 1 to the connection member. It is a general view which shows the state which attached the packaging bag shown in FIG. 1 to the connection member, and fastened in the liquid tank. It is a figure which shows the modification of the notch part of the packaging bag shown in FIG. It is a front view of 2nd Embodiment of the packaging bag which concerns on this invention. It is an enlarged view of the notch part shown in FIG. It is sectional drawing of the state which made the engagement hole and connecting member of the packaging bag shown in FIG. 7 engage. It is a perspective view which shows the state which attached the packaging bag shown in FIG. 7 to the connection member. It is a figure which shows the modification of the notch part of this invention.

  Hereinafter, a packaging bag according to an embodiment of the present invention will be specifically described with reference to the drawings. The same or similar parts in the drawings are denoted by the same reference numerals and description thereof is partially omitted.

  The packaging bag according to the present invention is attached to a linear connecting member 103 that connects a liquid tank 100 that stores liquid and a plug member 102 that closes a drain hole 101 provided in the liquid tank 100 as shown in FIG. It is what In the present embodiment, the liquid tank 100 is a household bathtub, and the connecting member 103 is a ball chain. As shown in FIG. 3, the ball chain 103 includes a plurality of balls (metal balls) 104 having a diameter of 2 mm to 4 mm and a connecting shaft 105 that directly connects the metal balls 104.

  Fig.1 (a) is a front view which shows the packaging bag based on 1st Embodiment, FIG.1 (b) is a right view, FIG.1 (c) is a top view. The back view of this packaging bag appears symmetrical to FIG. 1 (a), the left side view is the same as FIG. 1 (b), and the bottom view is the same as FIG. 1 (c). Illustration is omitted. As shown in FIG. 1A, the packaging bag has a rectangular shape when viewed from the front, and a storage portion 1 for storing the article 3 to be packaged therein and a sealing portion for closing at least one end of the storage portion 1 in a planar shape. 2 is provided.

  The storage portion 1 is a front-view rectangular bag body having a front surface 4 and a back surface 5. The package 3 is stored between the front surface 4 and the back surface 5, and the four sides are sealed by the sealing portion 2. ing. Thereby, as shown in FIG.1 (b) and FIG.1 (c), the packaging bag becomes the flat shape which has thickness slightly as a whole. The material of the storage part 1 and the sealing part 2 is configured by laminating aluminum foil on a film of polyethylene terephthalate, polyethylene, polypropylene or the like. Thereby, the packaging bag is excellent in light-shielding properties, can prevent oxidation, evaporation of moisture, and contamination of bacteria, and can protect the article 3 from the outside environment. In this embodiment, it is set as the covering sheet 3 for the face which impregnated the nonwoven fabric with liquids, such as a lotion, as the to-be packaged object 3. FIG. Such a coated sheet is used by warming it to a temperature higher than normal temperature, thereby promoting the opening of pores and making it easier for the active ingredient in the skin lotion to penetrate into the skin. The effect can be enhanced.

  The sealing part 2 closes four sides of the storage part 1 in a planar shape. The sealing part 2 is composed of four linear parts that are continuous from the four sides of the storage part 1, and is enclosed with respect to the storage part 1. Of these four straight portions, one straight portion (a portion corresponding to one end in the longitudinal direction of the storage portion 1) is wider than the other three straight portions. Hereinafter, unless otherwise specified, the sealing portion 2 refers to this wide sealing portion. The sealing unit 2 is provided with a holding means 6 at the center in the width direction of the packaging bag.

  As shown in FIG. 1A, the holding means 6 is configured by a notch portion 8 formed by notching a part of the sealing portion 2, and this notch portion 8 is an end of the sealing portion 2. It extends from the edge 7 to an inward position (storage portion side).

  In the present embodiment, the notch portion 8 includes an engagement hole 9 provided at an inward position of the sealing portion 2 as shown in FIG. 2, and a first notch portion extending from the end edge 7 of the sealing portion 2 to the engagement hole 9. 10. In FIG. 2, the engagement hole 9 is shown in a closed state. The first cut portion 10 guides the connecting member 103 to the inward position of the sealing portion 2 as will be described later, and the engaging hole 9 is connected to the connecting member 103 guided by the first cut portion 10. Is engaged.

  As shown in FIG. 2, the first cut portion 10 includes a first straight portion 11 extending in a direction (longitudinal direction of the packaging bag) orthogonal to the edge 7 of the sealing portion 2, a round portion 12, and a sealing portion. It is substantially L-shaped consisting of a second linear portion 13 extending in parallel with the end edge 7 of 2 (in the width direction of the packaging bag). The rounded portion 12 and the second straight portion 13 constitute a retaining portion 19. The retaining portion 19 is a portion that resists the removal of the connecting member 103 to the edge of the sealing portion 2, and the connecting member 103 prevents the sealing portion 2 from coming off toward the end edge as will be described later. it can.

  A bifurcated second notch 16 that branches continuously from the edge 15 is provided at the edge 15 on the storage portion side of the first notch 10. An engagement hole 9 that can be freely opened and closed is formed in the enclosed region. That is, the line segment connecting both end edges of the second cut portion 16 is bent as the bent portion 17, and the region surrounded by the second cut portion 16 becomes the bent piece 18 so that the engagement hole 9 can be freely opened and closed. can do. The second cut portion 16 has an arc shape and is symmetric with respect to L1 with a straight line extending from the second straight portion 13. Thereby, the bending part 17 is extended in the direction orthogonal to the straight line L1.

  The case where the packaging bag which concerns on 1st Embodiment of this invention is hold | maintained to the connection member 103 (ball chain) is demonstrated. Liquid tank 100 is a household bathtub and is not filled with liquid.

  First, as shown in FIG. 3A, the connecting member 103 is inserted from the opening edge 14 so that the opening edge 14 of the first notch 10 intersects the connecting shaft 105 of the connecting member 103. Then, as shown by the arrows, the connecting member 103 or the packaging bag is moved so that the connecting member 103 is guided in the order of the first straight portion 11, the rounded portion 12, and the second straight portion 13.

  As shown in FIG.3 (b), when the connecting member 103 reaches the insertion part (namely, the edge 15 of the storage part side of the 1st notch part 10) to the forked 2nd notch part 16 side, By inserting the connecting member 103, the bent piece 18 is bent around the bent portion 17 in the upward direction. In this way, when the connecting member 103 is inserted into the bifurcated second cut portion 16 side, the bent piece 18 is bent through the bent portion 17 and the engagement hole 9 is opened.

  In this case, as shown in FIG. 2, the bent portion 17 extends in a direction orthogonal to the straight line L1. That is, since the bent portion 17 is orthogonal to the insertion direction of the connecting member 103, when the connecting member 103 is inserted into the second cut portion 16, the bent portion 17 is inserted into the connecting member 103. It can be bent easily without resistance. Thereby, it becomes easy for the user to insert the connecting member 103.

  In a state where the connecting member 103 is engaged with the engagement hole 9, the bent piece 18 returns so as to close the engagement hole 9 as shown in FIG. For this reason, the metal ball 104 immediately below the bent piece 18 is caught by the bent piece 18, and the bent piece 18 is interposed between the adjacent metal balls 104. In this way, the bent piece 18 restricts the sealing portion 2 from shifting in the axial direction of the connecting member 103.

  As described above, the bent piece 18 is pushed up as the connecting member 103 is inserted, and the connecting member 103 is engaged with the engaging hole 9 to return to close the engaging hole 9. The thickness of the bent portion 17 is desirably determined by the properties of the material (for example, hardness, flexibility, etc.). Specifically, when the packaging bag is made of the material used in this embodiment, the thickness of the bent portion 17 is preferably 150 μm to 500 μm, and in this embodiment, it is 200 μm.

  After attaching the packaging bag to the connecting member 103, the bath is filled with, for example, 40 ° C. warm water as the liquid, and the connecting member 103 and the packaging bag are immersed in the warm water. At this time, as shown in FIGS. 4 and 5, buoyancy is generated in the storage unit 1, and the packaging bag is about to float in the water surface direction and is wrapped around the engagement hole 9 as shown by the arrow in FIG. 4. The bag will swing (note that the two-dot chain line in FIG. 4 indicates the position of the packaging bag before receiving buoyancy). However, since the metal ball 104 of the connecting member 103 is caught by the bent piece 18 as described above, the sealing portion 2 does not shift in the axial direction of the connecting member 103. That is, the packaging bag does not float and stays at a fixed position in the liquid tank.

  Here, when the packaging bag swings, the connecting member 103 inserted into the engagement hole 9 may return into the first cut portion 10. At this time, since the first notch 10 is pulled in the direction of the force F (see FIGS. 3C and 4) that is pulled from the storage unit 1, the first notch 10 extends in the direction of the force F. If it is configured only by inserting, the connecting member 103 may come out. However, since a part of the first cut portion 10 (the rounded portion 12 and the second straight portion 13) is a retaining portion 19 that extends in a direction different from the direction of the force F, the retaining portion 19 is against the force F. Even if the connecting member 103 returns to the first cut portion 10 due to resistance, the connecting member 103 is difficult to come off due to the force F.

  Thus, by attaching the packaging bag of the present invention to the connecting member 103, the storage unit 1 can be kept in the liquid in the liquid tank 100. Thereby, the whole storage unit 1 comes into contact with the liquid, and the storage unit 1 can efficiently transfer heat to and from the liquid. Therefore, the package 3 can be quickly heated to the same temperature (40 ° C.) as that of the hot water, and the temperature can be made uniform.

  When removing the packaging bag from the connecting member 103, the engaging state between the connecting member 103 and the engaging hole 9 is released, and the connecting member 103 is moved from the end 15 on the storage portion side of the first notch portion 10 to the first edge 15. The connecting member 103 or the packaging bag is moved so as to be guided toward the opening edge 14 of the cut portion 10.

  FIG. 6 shows a modification of the first embodiment. In the modification shown in FIG. 6, the position of the holding means 6 is the same as that in FIG. 1 (that is, provided at the center in the width direction of the packaging bag, and the first notch 10 and the second notch in FIG. 6). The shape of the cut portion 16 is changed to the first cut portion 10 and the second cut portion in Fig. 1. In the first embodiment, the first cut portion 10 has two linear portions and one rounded portion. It is composed of a single straight portion as shown in FIGS. 6A and 6B, a plurality of straight portions as shown in FIG. 6C, and a single straight portion as shown in FIG. It may be constituted by a plurality of rounded portions as shown in FIG. 6 (e), and can have various shapes.

  In this case, it is preferable that a part or all of the first cut portion 10 is configured to be a retaining portion 19 that extends in a direction different from the direction of the force F pulled from the storage portion 1. That is, in FIG. 6A, since all of the first cut portions 10 are the same as the direction of the force F, FIG. 6A has no retaining portion. In FIGS. 6B, 6D, and 6E, since all of the first cut portions 10b, 10d, and 10e are in the same direction as the force F, all of the first cut portions 10b, 10d, and 10e are retained. It becomes part 19b. In FIG. 6C, a part of the first cut portion c becomes the retaining portion 19c. That is, the first cut portion 10c is configured by two straight portions, that is, a vertical portion extending perpendicularly from the end edge 7 of the sealing portion 2 and an inclined portion inclined from the vertical portion. Since the vertical portion is the same as the direction of the force F, it does not become a retaining portion, but the inclined portion extends in a direction different from the direction of the force F, so this inclined portion becomes the retaining portion 19c.

  Note that, as shown in FIG. 6A and a second embodiment to be described later, the first cut portion 10a may be configured only by a straight line extending vertically from the edge 7 of the sealing portion 2. In some cases, the entire first cut portion 10a becomes the retaining portion 19a. That is, in FIG. 6A, when the direction of the force f pulled from the storage unit 1 is the direction indicated by a two-dot chain line, for example, the entire first notch 10a is the direction of the force f. It will extend in a different direction. Thus, when the direction of the 1st notch part 10a differs from the direction of the force f, the whole 1st notch part 10a becomes the retaining part 19a.

  In the first embodiment, the second cut portion 16 has an arc shape. However, the U-shape that expands as shown in FIG. 6A, the U-shape as shown in FIG. Various shapes such as a V shape as shown in FIG. 6C, a J shape as shown in FIG. 6D, and a non-regular shape as shown in FIG. In addition, as shown in the first embodiment and FIGS. 6A, 6 </ b> C, and 6 </ b> E, the bent portion 17 has a straight line L <b> 1 extending from the edge 15 on the storage portion side of the first cut portion 10 ( Although it is most desirable to extend in a direction perpendicular to the direction of entry of the connecting member 103 at the end edge 15, the straight line L1 and the bent portion 17 form a predetermined angle as shown in FIGS. It may be a thing.

  7 to 10 show a packaging bag according to a second embodiment of the present invention. The packaging bag includes the same storage unit 1 and sealing unit 2 as in the first embodiment, and the position and shape of the holding means 26 are different from those in the first embodiment. That is, the sealing unit 2 is provided with a holding means 26 including a notch 28 at a position corresponding to the end in the width direction of the packaging bag.

  In the present embodiment, as shown in FIG. 7, the cutout portion 28 includes a first cutout portion 30 extending from the end edge 7 of the sealing portion 2 toward the inward position, and a storage portion side of the first cutout portion 30. It is comprised by the engagement hole 29 provided in a row by the end edge.

  The 1st notch part 30 is comprised by the single linear part extended in the direction (longitudinal direction of a packaging bag) orthogonal to the edge 7 of the sealing part 2. As shown in FIG. In the present embodiment, the entire first cut portion 30 is the retaining portion 39.

  As shown in FIG. 8, the engagement hole 29 is a circular through hole provided at an end edge of the first cut portion 30 on the storage portion side. The engagement hole 29 is set so that the maximum inner diameter D1 is smaller than the maximum outer diameter of the connecting member 103 (that is, the maximum outer diameter D2 of the metal ball 104 of the ball chain). Here, the maximum inner diameter D1 of the engagement hole 29 refers to the maximum inner diameter of the holes 29. When the engagement hole 29 is circular, the diameter is the maximum inner diameter D1. Further, the maximum outer diameter of the connecting member 103 refers to the maximum outer diameter of the connecting member 103, and refers to the maximum outer diameter of the metal ball 104 in the ball chain as in this embodiment. In general, the maximum outer diameter (that is, the diameter of the metal ball 104) D2 of the ball chain used for a domestic bathtub is generally 2 to 4 mm. For this reason, when attaching the packaging bag of this invention to the ball chain used for a bathtub, it is desirable to make the largest internal diameter of the engagement hole 29 into 1-4 mm.

  Thereby, in the state where the packaging bag is attached to the connecting member 103, as shown in FIG. 9, a part of the outer diameter portion of the metal ball 104 of the connecting member 103 is caught in the engaging hole 29, and the sealing portion 2 is The shift of the connecting member 103 in the axial direction can be restricted.

  The maximum inner diameter D1 of the engagement hole 29 may be the same as the maximum outer diameter D2 of the connecting member 103. In this case, since the inner peripheral edge of the engagement hole 29 holds the maximum outer diameter of the connecting member 103, it is desirable that the sealing portion 2 is made of a material that is difficult to bend in consideration of the material, thickness, and the like.

  Even in the packaging bag of the second embodiment, as shown in FIG. 10, buoyancy is generated in the storage portion 1 and the packaging bag tends to float in the water surface direction. Due to this buoyancy, the edge 35 on the storage portion side of the first cut portion 30 is pulled in the direction of the force F. At this time, since the maximum inner diameter D1 of the engagement hole 29 is smaller than the maximum outer diameter D2 of the connecting member 103, the metal ball 104 cannot pass through the engagement hole 29. Thereby, it can control that sealing part 2 shifts in the direction of an axis of connecting member 103, and it becomes easy to maintain a packaging bag in a fixed position in a liquid tank effectively.

  Moreover, since all of the first cut portions 30 (straight portions) extend in a direction different from the direction of the force F (see FIG. 10) received by the first cut portions 30, the straight portions are the retaining portions. Work as 39. Thereby, even if the connection member 103 moves to the 1st notch part 30 by rocking | fluctuation of the packaging bag, the connection member 103 is hard to come off with the force F.

  In this way, the packaging bag of the second embodiment also has the same effects as the packaging bag of the first embodiment.

  In the packaging bag of the second embodiment, as in the modification of the first embodiment, the first cut portion 30 is a plurality of straight portions, a single or a plurality of round portions, a mixture of straight lines and curves, etc. Various shapes are possible. Further, the shape of the engagement hole 29 can be arbitrarily set such as an ellipse, a triangle, a quadrangle, a polygon, a parallelogram, a star, a flower, and a shape without regularity.

  FIG. 11 shows a packaging bag according to a third embodiment of the present invention. This packaging bag includes a storage portion 1 and a sealing portion 2 similar to those in the first and second embodiments, and the form of the holding means is different from that in the first and second embodiments. In 3rd Embodiment, an engagement hole is abbreviate | omitted and a notch part is comprised only by a 1st notch part. For example, in the packaging bag of FIG. 1, the engagement hole 9 is omitted, and only the first cut portion 10 configured by the first straight portion 11, the rounded portion 12, and the second straight portion 13 is the third embodiment. The holding means. Also in this case, like the first embodiment, the rounded portion 12 and the second straight portion 13 serve as a retaining portion. Moreover, in the packaging bag of FIG. 7, only the 1st notch part 30 which abbreviate | omitted the engagement hole 29 is made into the holding means of 3rd Embodiment. Also in this case, as in the second embodiment, the entire first cut portion 30 serves as a retaining portion. Moreover, as a shape of the 1st notch part 50, what is formed in a some straight line like the 1st notch part 50a, 50d of FIG. 11, and a some curve like the 1st notch part 50c. It is possible to use various types such as those formed by straight lines and curves such as the first notches 50b and 50e. Moreover, although illustration is abbreviate | omitted, also in 3rd Embodiment as shown in FIG. 11, all or one part of the 1st notch part 50 can be made into a securing part by the direction of the force received from a storage part.

  In the first to third embodiments, the notch portion can be provided at any position of the sealing portion 2. For example, the cutout portion 8 of the first embodiment may be provided at a position corresponding to the end portion in the width direction of the packaging bag as in the second embodiment, and the cutout portion 28 of the second embodiment is provided in the first embodiment. You may provide in the position corresponded to the center part of the width direction of the packaging bag like embodiment. Moreover, in the said 1st-3rd embodiment, you may provide the opening edge of a 1st notch part in the edge | side 40 different from the said embodiment, as shown to the 1st notch part 50a of FIG. . As described above, the opening edge of the cut may be provided at any position among the edges of the sealing portion 2.

  In the first to third embodiments, the holding means is configured by a notch. However, as the fourth embodiment, the holding means can be configured by something other than the notch. The holding means of the present embodiment is constituted by a connecting body that is interposed between the sealing portion 2 and the connecting member 103 such as a thread, a hook, a clip, or the like. That is, the notch part of the first to third embodiments is omitted, and the sealing part 2 is held by the connecting member 103 via a thread or the like.

  The holding means of the first to third embodiments may be combined with the holding means of the fourth embodiment. That is, a cutout portion is provided in the sealing portion 2 and a connecting body such as a thread is further provided. When attaching the packaging bag to the connecting member 103, after inserting the connecting member 103 into the notch, the sealing part 2 and the connecting member 103 are fixed with a thread or the like, or the sealing part 2 is connected with a thread or the like. After temporarily fixing to the member 103, the connecting member 103 can be inserted into the notch. By constructing the holding means by using the notched part and the connecting body in this way, the holding means can be attached even when it is easily detached (for example, when the flow velocity of liquid is large or buoyancy / gravity is large). The position can be maintained stably.

  As mentioned above, although embodiment of this invention was described, this invention is not limited to this, A various change is possible. The shapes of the storage portion 1 and the sealing portion 2 are not limited to those of the embodiment, and for example, the storage portion 1 and the sealing portion 2 may have various shapes such as a circular shape, a polygonal shape, and a parallelogram in plan view. The storage unit 1 may have a three-dimensional shape having a gusset portion. Moreover, the material of the storage part 1 and the sealing part 2 can be various, and the storage part 1 and the sealing part 2 may be made of different materials. The sealing part 2 does not have to be enclosed with respect to the storage part 1, and may be any one that is continuous from a part of the storage part 1.

  The notch part should just be provided when the packaging bag is attached to the connection member 103, and the formation method can be various. For example, a perforation or a cut line may be provided in the sealing portion 2, and the user may form the first cut portion or the engagement hole immediately before attaching the packaging bag to the connecting member 103. The order of attachment of the packaging bag may be that the liquid tank 100 may be filled with liquid after the packaging bag is attached as in the embodiment, and the liquid bag 100 is filled with liquid and then the packaging bag of the present invention is attached. Also good. The liquid may have a flow rate.

  The liquid tank 100 is not limited to a household bathtub, and its size and application can be various. The connecting member 103 can have various lengths, maximum outer diameters, cross-sectional shapes, and materials. The package 3 may be a solid, a liquid, or a mixture thereof, such as electronic parts, printed circuit boards, semiconductor-related products, precision parts, photosensitive paper, photosensitive products, foods, pharmaceuticals, drinking water, and the like. can do.

  The kind of the liquid is not limited to water, and the temperature of the liquid can be various temperatures at which the article to be packaged 3 should be set. Moreover, it is also possible to cool the package 3 by setting the temperature of the liquid to a temperature lower than the room temperature of the package 3.

DESCRIPTION OF SYMBOLS 1 Storage part 2 Sealing part 3 Packaged goods 6, 26, 46 Holding means 7 Edge 8, 28, 48 Notch part 9, 29 Engagement hole 10, 30 1st notch part 16 2nd notch part 15, 35 Edges 19 and 39 Stopping part 100 Liquid tank 101 Drain hole 102 Plug member 103 Connecting members D1 and D2 Maximum inner diameter

Claims (9)

A packaging bag attached to a linear connecting member that connects a plug member that closes the drain hole of the liquid tank to a part of the liquid tank,
A storage unit that encloses an article to be packaged, and a sealing unit that closes at least one end of the storage unit in a planar shape;
A packaging bag, wherein the sealing member is provided with holding means that is detachably attached to the connecting member and maintains the attachment position in the attached state.   The packaging bag according to claim 1, wherein the holding means is formed by a notch extending from an edge of the sealing portion to an inward position.   The notch includes a first notch extending from the edge of the sealing portion to the inward position, and a part or all of the first notch is attached to the end of the connecting member in the attached state. The packaging bag according to claim 2, wherein the packaging bag is a retaining portion that regulates the slipping out of the bag.   The notch is connected to the first notch extending from the edge of the sealing part to the inward position, and the edge of the first notch on the accommodating part side at the inward position, 4. The packaging bag according to claim 2, further comprising an engagement hole capable of engaging with the connecting member.   The packaging bag according to claim 4, wherein the engagement hole has the same or smaller maximum inner diameter than the maximum outer diameter of the connecting member.   6. The packaging bag according to claim 5, wherein the connecting member is a ball chain, and the engagement hole has a maximum inner diameter of 1 to 4 mm.   5. The packaging according to claim 4, wherein the engagement hole is configured by a region surrounded by a bifurcated second cut portion that is continuous with an edge of the first cut portion on the storage portion side. Bags.   The packaging bag according to claim 7, wherein the region surrounded by the second cut portion is bent around a portion connecting both end edges of the second cut portion by insertion of the connecting member.   The packaging bag according to any one of claims 1 to 8, wherein the holding means is attached to a connecting member to hold the storage portion in the liquid in the liquid tank.

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