JP2000043865A - Lid - Google Patents

Abstract

PROBLEM TO BE SOLVED: To open/close a spout after a packaging container is unsealed. SOLUTION: The lid comprises a frame 13, a pull tab 15 supported with the frame 13 swingably on a hinge 14 and an unsealing flap 16 swingably supported with the frame 13 with the hinge 14 as the center and also rotated in conjunction with a rotation of the pull tab 15 to unseal a packaging container 10 to form a spout. The pull tab 15 can select an open position where the spout is opened while the unsealing flap 16 is left in the spout and a close position where the spout is closed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lid.

[0002]

2. Description of the Related Art Conventionally, as a packaging container for storing liquid foods such as milk and soft drinks, a packaging container provided with an openable and closable lid on a top wall of a packaging container body has been provided. FIG. 2 is a perspective view of a conventional packaging container, and FIG. 3 is a diagram showing an open state of a conventional lid.

In the figure, reference numeral 50 denotes a brick-type packaging container; 51, a lid integrally formed of a resin, for example, polyethylene resin; 55, a packaging container main body; The body 51 is fused. The lid 51 includes a frame 60 having a substantially “U” shape, a pull tab 52 swingably supported by the frame 60 around a hinge 54, and a frame around the hinge 54. An opening flap 53 is swingably supported with respect to 60 and is rotated in conjunction with the rotation of the pull tab 52. In addition, the top wall 5
A break portion is formed at an opening position set corresponding to the opening flap 53 in FIG.

Therefore, when the pull tab 52 is lifted and rotated, the opening flap 53 is rotated in conjunction with the rotation of the pull tab 52, and at this time, the opening flap 5 is rotated.
3 breaks the break portion to form a spout 56. Thus, the packaging container 50 can be opened. When the pull tab 52 is rotated in the opposite direction after opening the packaging container 50, the opening flap 53 is opened.
Is stopped by a stopper (not shown) without interlocking with the rotation of the pull tab 52, and remains in the spout 56 as it is. Subsequently, when the pull tab 52 is pushed down toward the frame 60, a locking claw 57 formed on both edges of the pull tab 52 and a pull tab holding piece 58 formed on the frame 60 corresponding to the locking claw 57 are formed. Is snap-locked. In this manner, the pull tab 52 is held by the frame 60.

[0005]

However, in the conventional lid body 51, once (once) the packaging container 5
When opening 0, the opening flap 53 stays in the spout 56, so that the spout 56 remains open. Therefore, when it is not possible to drink and pour out all the liquid foods in the packaging container main body 55 at one time, the spout 56 is left while the liquid foods are stored in the packaging container main body 55.
Is placed in an open state, foreign matter such as dust (dust) may enter the inside of the packaging container body 55 through the spout 56.

If the packaging container 50 falls down, the liquid food in the packaging container body 55 will spill out of the spout 56. SUMMARY OF THE INVENTION It is an object of the present invention to solve the problems of the conventional lid and to provide a lid that can open and close a spout after opening a packaging container.

[0007]

For this purpose, in the lid of the present invention, there is provided a frame, a pull tab supported swingably with respect to the frame about a hinge, and a pull tab supported about the hinge. An opening flap that is swingably supported by the frame and is rotated in conjunction with the rotation of the pull tab to open the packaging container to form a spout;

The pull tab can select an open position for opening the spout and a closed position for closing the spout when the opening flap is held in the spout. In another lid of the present invention, at least one of the frame and the pull tab further includes a holding means for holding the pull tab in a closed position.

[0009]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view of a packaging container according to an embodiment of the present invention. FIG. 4 is a diagram showing an opened state of the packaging container according to the embodiment of the present invention.
FIG. 6 is a diagram illustrating an open state of the lid according to the embodiment of the present invention, and FIG. 6 is a diagram illustrating a closed state of the lid according to the embodiment of the present invention.

In FIG. 1, reference numeral 10 denotes a brick-type packaging container, and reference numeral 11 denotes a lid integrally formed of a resin, for example, polyethylene resin. It is fused by a sealing method or the like. The lid 11 has a substantially "U" shape, and is supported by the frame 13 having arms 13a, 13b and a base 13c and a hinge 14 so as to be swingable with respect to the frame 13. And a pull tab 15 capable of selecting between an open position as shown in FIG. 5 and a closed position as shown in FIG. 6, and swingable with respect to the frame 13 about the hinge 14. And an opening flap 16 that is rotated in conjunction with the rotation of the pull tab 15. The pull tab 15, the opening flap 16 and the hinge 14 are disposed on the same plane, and a groove 22 having a “V” shape is formed between the pull tab 15 and the opening flap 16, and the pull tab 15 and the opening are opened. The flap 16 is connected to a thin portion (not shown) formed below the groove 22.

Then, the lid 11 is attached to the packaging container body 12.
In the case of fusing, the sealing portion (not shown) formed on the back surface of the lid 11 is heated by a heating device (not shown) to melt the surface and pressed against the top wall 21 of the packaging container body 12. At this time, the resin film coated on the surface of the top wall 21 and the seal portion are fused. Thus, the packaging container 10 can be formed.

Also, the opening flap 16 on the top wall 21
Opening flap 1 is located at the opening position corresponding to
A break (not shown) is formed corresponding to the shape of the spout 23 so that the packaging material of the top wall 21 can be easily broken when the 6 is rotated. for that reason,
The packaging material includes a paper base (not shown), a first resin film coated on the paper base to form an outermost layer, and a second resin film coated on the paper base to form an innermost layer. A barrier layer having a gas barrier property, if necessary, is formed adjacent to the paper substrate.
Then, in the breaking portion, a perforation is formed in the paper base material, and when the opening flap 16 is rotated, the breaking portion can be easily broken. In addition, a punched hole may be formed in the paper base material at the broken portion, and a thin film may be formed by contacting the first and second resin films. In this case, when the opening flap 16 is rotated, only the thin film at the breaking portion is broken, so that the packaging material can be easily broken.

Therefore, as shown in FIG. 4, when the pull tab 15 is pulled up and rotated, the pull tab 15
The opening flap 16 is rotated in conjunction with the rotation of the opening flap. At this time, the breaking portion is broken by the opening flap 16 to form the spout 23. Thus, the packaging container 1
0 can be opened. Then, after the packaging container 10 is opened, as shown in FIG.
Is turned toward the distal ends (right ends in the figure) of the arm portions 13a and 13b, and is placed in the open position.
6 is stopped by the stopper 35 without interlocking with the rotation of the pull tab 15 and stays in the spout 23 as it is.
Subsequently, when the pull tab 15 is pressed down toward the frame 13, locking claws 37 formed on both edges of the pull tab 15 are formed.
Then, the pull tab holding piece 38 formed on the frame 13 corresponding to the locking claw 37 is snap-locked. In this way, the pull tab 15 is held by the frame 13.

By the way, a locking portion 36 is formed to extend a predetermined distance along both side edges of the pull tab 15. The locking portion 36 is, as shown in FIG.
When the pull tab 15 is rotated toward the base portion 13 c side around the base 4 and is placed in the closed position, and when the spout 23 is covered by the pull tab 15, the pull tab 15 engages with the locking rim 98 formed at the corresponding position of the frame 13. Can be locked. To this end, the locking rim 98 is slightly projected toward the inside of the spout 23. Therefore, the pull tab 15 can be held in the closed position. The locking portion 36
And the locking rim 98 constitutes a retaining means for retaining the pull tab 15 in the closed position. In the present embodiment, both the locking portion 36 and the locking edge 98 are formed, but the locking portion 36 and the locking edge 98 may be formed only.

As described above, after opening the packaging container 10,
The spout 23 can be opened and closed by rotating the pull tab 15 toward the distal ends of the arms 13a and 13b or rotating the pull tab 15 toward the base 13c. Therefore, even when all the liquid foods in the packaging container main body 12 cannot be drunk or poured out at one time, the spout 23 is kept open while the liquid foods are stored in the packaging container main body 12. No foreign matter enters the packaging container body 12 through the spout 23 because it is not peeled off.

Further, even if the packaging container 10 falls down, the liquid food in the packaging container body 12 does not spill out of the spout 23. It should be noted that the present invention is not limited to the above-described embodiment, but can be variously modified based on the gist of the present invention, and they are not excluded from the scope of the present invention.

[0017]

As described above in detail, according to the present invention, in the lid, the frame, the pull tab supported swingably with respect to the frame around the hinge, and the hinge are provided. An opening flap that is swingably supported by the frame with respect to the center and is rotated in conjunction with the rotation of the pull tab to open the packaging container to form a spout;

The pull tab can select an open position for opening the spout and a closed position for closing the spout when the opening flap is held in the spout. In this case, when the pull tab is pulled up and rotated, the opening flap is rotated in conjunction with the rotation of the pull tab, and a spout is formed. Thus, the packaging container can be opened.

After the packaging container is opened, the pull tab can be placed in an open position or a closed position. Therefore, even when it is not possible to drink or pour out all the liquid foods in the packaging container body at one time, the spout may be left open while the liquid foods are stored in the packaging container body. Therefore, no foreign matter enters the packaging container body through the spout.

Further, even if the packaging container falls down, the liquid food in the packaging container body does not spill out of the spout.

[Brief description of the drawings]

FIG. 1 is a perspective view of a packaging container according to an embodiment of the present invention.

FIG. 2 is a perspective view of a conventional packaging container.

FIG. 3 is a view showing an open state of a conventional lid.

FIG. 4 is a diagram showing an opened state of the packaging container according to the embodiment of the present invention.

FIG. 5 is a diagram showing an open state of a lid according to the embodiment of the present invention.

FIG. 6 is a diagram showing a closed state of a lid according to the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Packaging container 11 Lid 13 Frame 14 Hinge 15 Pull tab 16 Opening flap 23 Spout 36 Locking part 98 Locking edge

Claims (2)

[Claims] (A) a frame; (b) a pull tab supported so as to be swingable about the hinge with respect to the frame; and (c) swingable with respect to the frame about the hinge. An opening flap that is freely supported and rotated in conjunction with the rotation of the pull tab to open a packaging container to form a spout; and (d) the pull tab is configured such that the opening flap is A lid body characterized in that it is possible to select an open position for opening the spout and a closed position for closing the spout while the spout is kept in the spout. 2. The lid according to claim 1, wherein at least one of the frame and the pull tab is provided with holding means for holding the pull tab in a closed position.