JPH0678254U - Liquid storage bag - Google Patents

Abstract

(57) [Summary] [Objective] To propose a liquid storage bag having a simple structure, which is not bulky even when it is discarded, and which is provided with a spout having an openable spout hole. [Structure] A bag main body 2 made of a synthetic resin sheet having a predetermined shape, the inner surfaces of the peripheral portion of which are fixed to each other by appropriate fixing means such as fusion bonding, and a spout 3 fixed to an upper corner portion of the main body 2. And consisted of Further, in the above-mentioned spout plug 3, the spout tube forming portion 6 which becomes the spout tube 6A and the cap forming portion 8 which becomes the cap 8A are integrally formed through the breaking portion 7.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a liquid storage bag.

[0002]

[Prior art] [Problems to be solved by the device]

 Containers for storing liquid cosmetics and the like are formed of thick synthetic resin having shape-retaining properties or glass, and conventionally, the contents are generally discarded after use. However, along with the deterioration of the waste disposal situation in recent years, it is desired to reduce the amount of waste as much as possible.

From such a background, recently, the contents are stored in a simple refill bag to refill the contents, and only the refill bag is discarded. Since it is preferable to reduce the weight and bulk of these bags as much as possible at the time of disposal, for example, when the liquid is hermetically stored in the bag made by adhering the inner surfaces of the plastic film to each other, For example, a part of the corner of the bag is cut and removed to open the storage portion, and then the storage portion is pressed to pour out the contents from the opening portion.

However, since a bag of this kind is opened by cutting and removing the corner portion, the opening portion is too small and it takes time to pour out, or it is too large and comes out of the container mouth for injecting the liquid, or However, if the cutting angle is bad, the liquid will be poured in an unpredictable direction, and since it must be poured from above the mouth and neck of the container to be filled, it is difficult to fill the container accurately, etc. It has the drawback of being difficult.

In addition, there is a disadvantage in that, once opened, the contents must be kept open unless all contents are transferred.

The present invention proposes an excellent liquid container that overcomes the above-mentioned drawbacks of the prior art.

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the bag of the present invention is manufactured by fixing the inner peripheral surfaces of a synthetic resin sheet having a predetermined shape to each other by an appropriate fixing means such as fusion bonding, and at the same time, a storage part 4 for sealing the liquid inside is formed. A liquid storage bag comprising a bag body (2) provided and a pouring plug (3) fixed to an upper corner portion of the body (2), wherein the pouring plug (3) is opened at an upper corner portion of the bag body (2). The front and rear hinges that fix the outer peripheral edge of the base end to the inner edge of the opening 5 to seal the opening 5, connect both sides through the left and right hinges 9 and 10, respectively, and cut the center vertically. Through the pouring tube forming portion 6 composed of the front and rear wall portions 6a and 6b having a rectangular plate shape provided with the portions 11 and 12, and the thin wall rupture breaking portion 7 on the tip surface of the pouring tube forming portion 6. A flat cylindrical cap peripheral wall forming part 14 extending from the peripheral edge of the cap top wall forming part 13 that is integrally connected in one piece. And a cap forming portion 8 formed by separating the cap forming portion 8 by breaking the breaking portion 7 to separate the cap forming portion 8 from the opening. It is configured so that it can be tightly fitted around the upper end of the spout cylinder 6A.

[0007]

[Action]

 The broken portion 7 is bent and cut from the state shown in FIG. 1 to separate the cap forming portion 8, and as shown in FIG. 3, a spout cylinder 6A communicating with the inside of the storage portion 4 and a cap 8A are formed. The tip of the spouting cylinder 6A is opened by separating the cap forming portion 8, and the front, rear, left and right hinge portions 11, 12, 9, 10 are bent to spread out in a square tubular shape. Next, the bag main body 2 is squeezed, so that the liquid can be poured out. On the other hand, the separated cap 8A tightly fits the upper end of the pouring tube 6A in the closed state, and liquid-tightly closes the pouring tube 6A.

[0008]

【Example】

 Hereinafter, embodiments of the present invention will be described with reference to the drawings.

1 to 3 show an embodiment of the present invention, in which 1 denotes a liquid storage bag. The bag 1 is composed of a bag body 2 and a pouring plug 3.

The bag body 2 is obtained by cutting a sheet such as a synthetic resin single sheet or a laminated sheet of synthetic resin sheets, a laminated sheet of a synthetic resin sheet and paper, etc. into a predetermined shape, The bag is made by fixing it by an appropriate fixing means such as fusion or adhesion, and has a storage part 4 for storing the liquid therein. For example, two large sheets having a vertically long rectangular shape and a small sheet having a horizontally long rectangular shape having the same width as the sheets are prepared, and the predetermined inner peripheral portions of the respective sheets are formed into strips so as to form the bottom wall of the small sheets. A publicly known form called a so-called standing pouch, which is made by fusion to form a vertically long rectangular shape on the front surface, and the bottom of which spreads in an elliptical shape when liquid is filled inside can be adopted. In addition, a bag formed by folding one rectangular sheet in half and fusing the three-sided opening portions, or a bag formed by stacking two rectangular sheets and fusing the four sides A bag can also be used.

In the present invention, an opening 5 is formed by obliquely opening the upper corner portion of the bag body 2, and the pouring plug 3 is bonded between the front sheet 2a and the rear sheet 2b of the opening 5 portion. The liquid storage bag 1 is formed by being fixed by an appropriate fixing means such as fusion.

The pouring plug 3 is made of synthetic resin integrally formed by injection molding or the like, and has a thin bending break 7 at the tip of the pouring cylinder forming portion 6 which serves as a pouring cylinder 6A when in use. The cap forming part 8 that becomes the cap 8A when used is integrally extended.

The spout tube forming portion 6 connects the pair of front and rear wall portions 6a and 6b, each of which has a rectangular plate shape, so as to be bendable via left and right hinge portions 9 and 10, respectively. At the same time, front and rear hinges 11 and 12 that vertically cut through the central portions of the walls 6a and 6b are provided vertically, and the outer peripheral edge of the base end is formed into a strip shape on the inner edges of the front and rear seats 2a and 2b of the opening 5 portion. It is configured to be fixed and integrally fixed to the bag main body 2, and when the cap forming portion 8 is separated from the breaking portion 7, the respective hinge portions 9, 10, 11, 12 are bent to open in a square tube shape. There is.

The cap forming portion 8 integrally connects the lower surface of the cap top wall forming portion 13 which becomes the cap top wall 13A at the time of use to the tip of the spout tube forming portion 6 via the bending and breaking portion 7, and A cap peripheral wall forming part 14 that becomes the cap peripheral wall 14A when used is extended from the peripheral edge of the part 13 and is configured to be closely fitted to the upper end of the pouring tube 6A in the closed state when separated. is doing.

[0015]

[Effect of device]

 As described above, the bag of the present invention has the above-described configuration. Therefore, if the cap is attached to the flattening pipe after opening, only the required amount of the stored liquid is poured out and the remaining liquid is left behind. The liquid can be stored in good condition.

Further, since the pouring hole has a substantially constant size by opening the pouring cylinder in the shape of a rectangular tube, like the conventional one in which the corner portion of this kind of bag body is cut and removed to open. The opening does not become too large or too small, and when it is discarded, it can be rolled up into a small size because it has only a small spout, and the weight is small.

Further, since only a small spout is fixed to the conventional bag of this kind, it is easy to manufacture and can be manufactured at low cost.

[Brief description of drawings]

FIG. 1 is a front view of an essential part showing an embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of a main part of the embodiment.

FIG. 3 is a perspective view of a main part of the same embodiment in a cap separated state.

[Explanation of symbols]

2 ... bag body, 3 ... pouring tap, 4 ... storage part, 5 ... opening part, 6
... Pour-out cylinder forming part, 6A ... Pour-out cylinder, 6a ... Front wall part, 6b ... Rear wall part, 7 ... Broken part, 8 ... Cap forming part, 8A ... Cap,
9 ... Left hinge part, 10 ... Right hinge part, 11 ... Front hinge part, 12
… Rear hinge part, 13… Cap top wall forming part, 14… Cap peripheral wall forming part

Claims (1)

[Scope of utility model registration request] 1. A bag main body 2 comprising a synthetic resin sheet having a predetermined shape, the inner surfaces of the peripheral portion of which are fixed to each other by an appropriate fixing means such as fusion to make a bag, and a storage portion 4 for sealing a liquid therein. And a spout 3 fixed to an upper corner portion of the main body 2, which is a liquid storage bag.
The outer peripheral edge portion of the base end is fixed to the inner edge portion of the opening portion 5 opened at the upper corner portion of the bag body 2 to seal the opening portion 5,
A pour-out consisting of front and rear wall portions 6a, 6b in the form of a rectangular plate in which both side portions are connected via left and right hinge portions 9, 10 respectively, and front and rear hinge portions 11, 12 respectively longitudinally cutting through the center are provided. A cylinder top 6 and a cap top wall formation that is integrally connected to the tip end surface of the spout cylinder formation 6 through a thin-walled bending breaker 7.
13 A cap forming portion 8 formed by extending a flat cylindrical cap peripheral wall forming portion 14 from the periphery, and a spout cylinder 6A formed by breaking the breaking portion 7 and separating the cap forming portion 8 A liquid storage bag characterized in that the tip is opened and a separately formed cap 8A is configured to be tightly fitted to the outer circumference of the upper end of the spout cylinder 6A.