JP2001130560A - Can having pull-top - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a can having a pull-top wherein the pull-top 1 is easy to lift by engaging a finger since there is a gap between the ring 5 of the pull- tap 1 and the upper lid 3 of the can 2, and also, the overall pull-tap 1 is firmly fixed to the upper lid 3 of the can 2, and is prevented from rotating with an eyelet 4 as the pivot. SOLUTION: The pull-top 1 which is fixed to the upper lid 3 of the can 2 is bent with a bending section 7 going across the pull-top 1 as a boundary. Between the ring 5 of the pull-top 1 and the upper lid 3 of the can 2, the specified gap 8 is formed. The whole of the base section 1A of the pull-top 1 is closely joined to the upper lid 3 of the can 2 without a gap.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a can with a pull top.

[0002]

2. Description of the Related Art Pull tops are widely used so that cans of soft drinks and beers or cans of various cans can be opened without using a can opener. The pull top is generally fixed to the top lid of the can using eyelets or the like.
Then, when the user pulls up the pull top with his fingertip, the lid of the can is torn and the contents can be taken out.

[0003]

However, the above-mentioned prior art has the following problems to be solved. If the pull top is fixed tightly to the top lid of the can without any gap, there is a problem that it is difficult to put a finger on the pull top and the fingertip is easily damaged when the can is opened. In some cases, the pull-top and the can are loosely fixed using eyelets to facilitate pull-up. In this case, there is a problem that the pull top rotates around the eyelets during the manufacture and transportation of the can, making it difficult to open the can. In addition, there is also a problem that foreign matter is caught in a narrow gap generated between the entire pull top and the can, resulting in a dirty state. Furthermore, when the pull top is loosely fixed to the top lid of the can, there is a problem that the eyelet comes off when pulling up the pull top and the can cannot be opened.

[0004]

The present invention employs the following structure to solve the above problems. <Structure 1> A pull-top fixed to the top of the can is bent at a bent portion crossing the pull-top, and a predetermined gap is formed between the ring of the pull-top and the top of the can. A can with a pull top.

<Structure 2> The can with a pull-top according to Structure 1, wherein the base of the pull-top as a whole is in close contact with the top lid of the can without any gap.

<Structure 3> The can with a pull top according to the structure 1, wherein a protrusion is provided on a surface of the ring of the pull top facing the upper lid.

<Structure 4> In the structure described in Structure 1, in a portion of the upper cover directly below the pull-top ring,
A can with a pull top characterized by having a projection.

<Structure 5> A pull-top is fixed to an upper lid of a can, and a concave portion is formed in a portion of the upper lid directly below a ring of the pull-top, and a predetermined gap is formed between the ring of the pull-top and the bottom of the concave portion. Wherein the can is provided with a pull-top.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below using specific examples. <Example 1> FIG. 1 is a schematic view of a can with a pull-top of Example 1, (a) is a plan view of an upper lid of the can, (b) is a side view of the upper lid and the pull-top, and (c) is It is a side view of an upper lid and a pull top part of a modification.

[0010] As shown in FIG.
Is fixed to the upper lid 3 of the can 2 by eyelets 4. The eyelets 4 are swaged through the base 1A of the pull-top 1 and the top lid 3 of the can 2. The pull top 1 is provided with a ring 5 for lifting with a fingertip when opening the can. When this finger is put on the ring 5 and pulled up, the opening 6 of the upper lid 3 of the can 2 is cut off and the can is opened. The shape of the pull-top 1 and the shape of the opening 6 vary depending on the type and the contents of the can 2, but have substantially the same structure.

Here, in this specific example, the pull-top 1 is bent near a bent portion 7 which is set near the center of the ring 5 and crosses the pull-top 1. This allows
A gap 8 is formed between the ring 5 and the top lid 3 of the can 2 such that a fingertip can be inserted. It is preferable that the maximum value of the gap 8 is 2 to 3 mm or more. This is to make it easy to put a fingertip.

On the other hand, the entire base 1A of the pull-top 1 is in close contact with the upper lid 3 of the can 2 without any gap. The reason why the base 1A of the pull-top 1 is closely adhered to the upper lid 3 of the can 2 without any gap is that the pull-top 1 is firmly fixed to the upper lid 3 of the can 2, and the pull-top 1 easily rotates around the eyelet 4. This is so that there is nothing.

Note that the position of the bent portion 7 is the pull-top 1
It can be in any part of The pull-top 1 may be, for example, one that is pulled up stepwise from the bent portion 9 as shown in FIG. That is, the bent portions 9 may be provided at a plurality of positions on the pull-top 1. This structure has a feature that foreign matter is harder to be caught. In addition, the pull-top 1 may be curved in an arc shape when viewed from the side to form a gap between the ring 5 and the upper lid 3 of the can 2. Such a can can be manufactured by fixing the pull-top 1 that has been bent in advance to the can 3 using an eyelet 4.

Furthermore, in the case of the present invention, since the base 1A of the pull-top 1 can be firmly fixed to the upper lid 3 of the can 2, it is not always necessary to use the eyelet 4. The pull top 1 and the upper lid 3 can be fixed by welding or any other means. The eyelet 4 penetrates through the upper lid 3 of the can 2, but if welding or other means is used, the upper lid 3 of the can 2 can be processed without making a hole.

<Effects of Specific Example 1> The above-described can with a pull-top has an effect that the finger-tip can be easily pulled up since there is a gap between the ring 5 of the pull-top 1 and the top lid 3 of the can 2. Moreover, even if foreign matter enters between the pull-top 1 and the top lid 3 of the can 2, the gap is wide and easily falls, so that the top lid 3 of the can 2 can be kept clean. In addition, the production of such a can 2 involves a pull-top 1 in a conventional production process.
It is only necessary to add a step of bending the slab, and it is not necessary to add a special part.

Further, since there is a gap between the ring 5 of the pull-top 1 and the lid 3 of the can 2, the other part of the pull-top 1 may be in close contact with the upper lid 3 of the can 2. Therefore, the pull top 1 is firmly fixed as a whole to the upper lid 3 of the can 2, and does not rotate around the eyelet 4. Thus, there is an effect that the problem that the direction of the pull top 1 is changed in the manufacturing process and the transporting process of the can 2 and the can 2 becomes difficult to open is eliminated.

Also, since the pull-top 1 can be fixed to the upper lid 3 of the can 2 without using the eyelets 4, in this case, since the upper lid 3 of the can 2 is not provided with a hole, it is sanitary. There is. In addition, whatever the fixing method, if the base 1A of the pull top 1 can be firmly fixed to the upper lid 3 of the can 2, the eyelet 4 comes off when the can is opened and the pull top 1 comes off the upper lid 3 of the can 2. This has the effect of eliminating all such accidents.

<Example 2> FIG. 2 is a schematic view of a can with a pull-top according to Example 2, (a) is a plan view of an upper lid of the can,
(B) is a side view of the upper lid and the pull top.
A protrusion 11 is provided on the surface of the pull-top 1 shown in FIG. (B) of the figure
As shown in the figure, the projections 11 are mountain-shaped, and are formed at two places of the ring 5 by press working or the like. The structure of the other parts is the same as that of the first embodiment. Therefore, duplicate description will be omitted.

The size of the projection 11 is selected to ensure a gap between the ring 5 of the pull-top 1 and the lid 3 of the can 2 so that a finger can be put on the ring. The number and shape of the protrusions 11 are arbitrary. In addition, the protrusion may be formed by bending a part of the ring 5 of the pull-top 1. When a projection 11 of the same size is attached to a portion near the bent portion 7, the gap 8 between the ring 5 and the upper lid 3 of the can 2 becomes wider. When the projection 11 is moved away from the bent portion 7, the gap 8 between the ring 5 and the top lid 3 of the can 2 becomes narrow.

<Effect of Specific Example 2> According to the above example, even if an external force is applied to the pull top 1 during the manufacture or transportation of the can,
There is an effect that a gap for putting a fingertip between the pull top 1 and the upper lid 3 of the can 2 is kept constant.

<Example 3> FIG. 3 is a schematic view of a can with a pull-top according to Example 3, (a) is a plan view of an upper lid of the can,
(B) is a side view of the upper lid and the pull top, (c)
(E) is a plan view showing a modification of the lid of the can. A protrusion 12 is provided on a portion of the upper lid 3 shown in FIG. As shown in FIG. 2B, the projection 12 is a mountain-shaped projection.
It is formed at two places of the upper lid 3 by press working or the like. The structure of the other parts is the same as that of the specific example 2.
Therefore, duplicate description will be omitted.

The size of the projections 12 is selected so as to secure a gap between the ring 5 of the pull-top 1 and the lid 3 of the can 2 so that a finger can be put thereon. The number and shape of the projections 12 are arbitrary. For example, as shown in FIG. 3C, the protrusion 12 has a convex ridge 13 curved in an arc shape or an annular convex ridge 1.
Four or a plurality of mountain-shaped protrusion groups may be used. That is, it may be a part of the pattern expressed on the upper lid 3 of the can 2. Both projections can be easily formed by pressing the upper lid of the can.

<Effect of Embodiment 3> According to this embodiment, as in Embodiment 2, even if an external force is applied to the pull-top 1 during the manufacture or transportation of the can, the pull-top 1 and the upper lid 3 of the can 2 can be connected. There is an effect that a gap for putting a fingertip between them is kept constant. In particular, when the upper lid 3 of the can 2 is provided with an arcuate or annular projection, there is an additional effect that the mechanical strength of the upper lid of the can can be increased.

<Example 4> FIG. 4 is a schematic view of a can with a pull-top according to Example 4, (a) is a plan view of an upper lid of the can,
(B) is a cross-sectional view along the line XX of the upper lid and the pull top portion. In this example, the ring 5 of the top lid 3 of the can 2
The recess 17 is formed in a portion directly below the recess 17. In each of the other specific examples described above, the pull top 1 is bent. On the other hand, in the case of this specific example, the pull top 1 is flat. Instead, the lid 3 of the can 2 is formed by press working or the like. The recess 17 may have a depth such that at least a gap is formed between the ring 5 of the pull-top 1 and the bottom of the recess 17 so that a finger can be put thereon.

The concave portion 17 may have a mortar shape or a groove shape.
Alternatively, it may be a part of the pattern expressed on the upper lid 3 of the can 2. For example, if constituted by a relatively deep depression,
It is very easy to put fingertips on. In the case of a beverage can, the user swallows the contents by putting a mouth on a portion indicated by an arrow M in FIG. At this time, the nose may hit the upper lid 3 of the can 2. If the concave portion 17 is made relatively large and deep, the nose can be prevented from hitting.

<Effect of Embodiment 4> In this embodiment, the pull-top 1 does not rise in the direction away from the top lid 3 of the can 2. Therefore, when compared with the other specific examples, the ring 5 portion of the pull top 1 does not protrude at all. In general, since the edge of the can 2 is high, the highest portion of the ring 5 of the pull-top 1 can be suppressed if it is less than the height of the edge of the can 2. However, when the edge of the can 2 is low, May adopt this specific example.

[Brief description of the drawings]

FIG. 1 is a schematic view of a can with a pull-top according to Example 1.
(A) is a plan view of an upper lid of a can, (b) is a side view of an upper lid and a pull-top portion, and (c) is a side view of a modified upper lid and a pull-top portion.

FIG. 2 is a schematic view of a can with a pull-top of specific example 2,
(A) is a plan view of the upper lid of the can, and (b) is a side view of the upper lid and the pull top.

FIG. 3 is a schematic view of a can with a pull-top of Example 3;
(A) is a plan view of the upper lid of the can, (b) is a side view of the upper lid and the pull-top portion, and (c) to (e) are plan views showing modified examples of the lid of the can.

FIG. 4 is a schematic view of a can with a pull-top of specific example 4,
(A) is a plan view of the upper lid of the can, and (b) is a cross-sectional view of the upper lid and the pull-top portion along the line XX.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pull-top 2 Can 3 Top lid 4 Eyelet 5 Ring 6 Base 7 Bend 8 Gap

Claims (5)

[Claims] 1. A pull-top fixed to an upper lid of a can is bent at a bent portion crossing the pull-top, and a predetermined gap is formed between the ring of the pull-top and the upper lid of the can. A can with a pull top, characterized in that: 2. The can with a pull top according to claim 1, wherein the entire base of the pull top is in close contact with the top lid of the can without any gap. 3. The can with a pull-top according to claim 1, wherein a protrusion is provided on a surface of the ring of the pull-top facing the upper lid. 4. The can with a pull-top according to claim 1, wherein a projection is provided on a portion of the upper lid immediately below a ring of the pull-top. 5. A pull-top is fixed to an upper lid of a can, a recess is formed in a portion of the upper lid immediately below a ring of the pull-top, and a predetermined gap is formed between a ring of the pull-top and a bottom of the recess. A can with a pull top characterized by being made.