JP2015024860A - Cap for beverage can and beverage can with cap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cap for a beverage can, which does not accidentally come off the beverage can and which enables anyone to effortlessly and easily detach the cap from the beverage can.SOLUTION: The cap for a beverage can, which is attached to an upper part of the beverage can, includes: a main part of a lidded cylinder-like cap; first and second locking parts that are provided in a lower part of an inner surface of the main part of the cap and that are engaged with crimped parts of the beverage cans different in an upper shape, respectively; and a weakened part that is formed in the lower part of the main part of the cap and that decreases rigidity of at least the lower part of the main part of the cap.

Description

  The present invention relates to a beverage can cap that is detachably attached to an upper portion of a beverage can filled with drinking water and covers a prize placed on the upper portion of the beverage can, and a beverage can with a cap using the cap for the beverage can About.

  In recent years, for the purpose of sales promotion, for example, a cap is attached to an upper portion of a beverage can containing drinking water such as coffee, and a premium is put inside the attached cap for sale.

  Since beverage cans are also sold in vending machines, the outer diameter of the trunk is substantially uniform. However, various shapes are used for the upper end of the beverage can. For example, there are those in which the outer diameter of the lid is the same as the outer diameter of the bottom, or the outer diameter of the lid is smaller than the outer diameter of the bottom so that beverage cans can be stacked.

  On the other hand, it is costly to prepare a beverage can cap every time the shape of the upper end is different. Therefore, the cap for beverage cans is provided with two types of locking portions that engage with the beverage can so that it can be attached to the beverage can even if the shape of the upper end is different.

  Further, the beverage can cap needs to be assembled to the beverage can with sufficient strength so as not to be inadvertently detached from the beverage can during transportation or display at the store. On the other hand, if the cap for a beverage can is assembled to the beverage can with an unnecessarily strong strength, for example, a child or a person with weak power takes time to remove the cap.

Japanese Patent No. 4279578

  The problem to be solved by the present invention is to provide a cap for a beverage can and a beverage can with a cap that can be easily removed from the beverage can without being unintentionally detached from the beverage can. That is.

  In the present invention, a beverage can cap is configured as follows.

  A cap for a beverage can attached to an upper portion of a beverage can, and is provided with a lid-shaped cylindrical cap main portion and a lower portion of the inner surface of the cap main portion, each engaging with a caulking portion of a beverage can having a different upper shape. The cap for beverage cans was configured to include a stop portion and a second locking portion, and a weakening portion formed at the lower portion of the cap main portion and reducing the rigidity of at least the lower portion of the cap main portion.

  A beverage can with a cap is configured from the cap for the beverage can and a beverage can in which the cap for the beverage can is detachably fitted so as to enclose a prize that contains drinking water and is placed on the lid. .

  ADVANTAGE OF THE INVENTION According to this invention, the cap for drink cans and a drink can with a cap which can be assembled | attached to a drink can with predetermined intensity | strength irrespective of the shape of the upper part of a drink can, and can be easily removed from a drink can.

The side view which shows the cap for drink cans concerning one Embodiment of this invention. The bottom view which shows the same cap for drink cans. Sectional drawing which shows the same cap for drink cans. The perspective view which shows the same cap for drink cans. Sectional side view which shows the 1st drink can provided with the cap for drink cans. Sectional side view which shows the 2nd drink can provided with the cap for drink cans. The perspective view which shows the cap for drink cans concerning other embodiment. Sectional drawing which shows the same cap for drink cans. The perspective view which shows the cap for drink cans, and a drink can.

  A cap for a beverage can according to a first embodiment of the present invention will be described. FIG. 1 is a side view showing a beverage can cap 10 according to an embodiment of the present invention. FIG. 2 is a bottom view showing the beverage can cap 10. FIG. 3 is a cross-sectional view of the beverage can cap 10 taken along a plane passing through the center line of the beverage can cap 10.

  FIG. 4 is a perspective view showing the beverage can cap 10 obliquely from below. FIG. 5 is a cross-sectional side view showing a state in which the beverage can cap 10 is assembled to the beverage can 100. FIG. 6 is a cross-sectional side view showing a state in which the beverage can cap 10 is assembled to the beverage can 130.

  FIG. 7 is a perspective view showing a beverage can cap 11 according to another embodiment. FIG. 8 is a cross-sectional view showing the beverage can cap 11. FIG. 9 is a perspective view showing the beverage can cap 10 and the beverage can 100 individually.

  As shown in FIG. 1, the cap 10 for a beverage can has a cap-shaped cylindrical cap main portion 12, a first locking portion 14, a second locking portion 16, a thick portion 18, and a weakening portion. And a cut portion 20. The cap main portion 12 includes a cylindrical cylindrical body portion 24 and a ceiling portion 26 provided at the upper end of the cylindrical body portion 24.

  FIG. 5 shows a state in which the beverage can cap 10 is attached to the first beverage can 100. The cap 10 for beverage cans is assembled by fitting the cylindrical portion 24 to the upper portion of the beverage can 100. Here, with respect to the upper and lower sides of the beverage can cap 10, the beverage can 100, etc., with the beverage can cap 10 assembled to the beverage can 100, with the ceiling portion 26 facing upward, the center line A (see FIG. 1) is determined based on the vertical position. Further, the direction from the position other than the center line A toward the center line A is defined as inward, and the opposite is defined as outward.

  First, the beverage can 100 will be described. The beverage can 100 has a first beverage can body 102 as a container body and is filled with drinking water. The beverage can body 102 includes a cylindrical body portion 104, and a cover plate 106 and a bottom plate 108 attached to the top and bottom of the body portion 104.

  The body portion 104 has a predetermined outer diameter, and a small diameter portion 110 is formed at the upper end portion. The small-diameter portion 110 is a portion formed by narrowing the outer diameter from the maximum diameter portion of the body portion 104, and is formed with a predetermined width in the vertical direction.

  As shown in FIG. 9, the cover plate 106 is attached to the upper opening portion of the body portion 104 by caulking. An upper end rib 112 is continuously formed in the circumferential direction at the caulked portion between the cover plate 106 and the body portion 104.

  The lid plate 106 has a spout 126. The spout 126 is opened by pulling the tab 127 upward and pushing it downward of the lid plate 106. The upper end rib 112 is raised at the peripheral edge of the lid plate 106, and the inner side surrounded by the upper end rib 112 is the lid portion of the beverage can 100 in the claims. The prize is placed on the lid.

  The bottom plate 108 is attached to the lower opening of the body portion 104 by caulking. A lower end rib 114 is formed in the caulking portion. The body portion 104 is sealed by the lid plate 106 and the bottom plate 108, and thereby drinking water such as coffee is sealed inside the beverage can 100.

  The beverage can 100 has, for example, an outer diameter R1 of the body portion 104 of 52.8 mm, an outer diameter R2 of the small diameter portion 110 of 50.5 mm, a height width of the small diameter portion 110 of about 4 mm, and an upper end rib 112 and a lower end rib 114. Each of the outer diameters R3 is 52.2 mm.

  Next, the second beverage can 130 will be described. As shown in FIG. 6, the beverage can 130 has a second beverage can body 132 as a container body and encloses drinking water therein. The beverage can body 132 includes a cylindrical body portion 134, a lid plate 136, and a bottom plate. The body part 134 has a predetermined outer diameter, and is formed so that the upper end part gradually becomes narrower.

  The lid plate 136 is attached to the upper opening of the body portion 134 by caulking. Similarly, a bottom plate is attached to the lower opening of the body portion 134 by caulking. An upper end rib 142 is provided at the upper end of the beverage can 130 and a lower end rib is provided at the lower end. The upper end rib 142 has an outer diameter that is equal to or slightly smaller than the inner diameter of the lower end rib.

  The beverage can 130 has the same configuration as the beverage can 100 except that the upper end portion is narrowly formed. In the beverage can 130, for example, the outer diameter R4 of the body portion 134 is 52.8 mm, and the outer diameter R5 of the upper end rib 142 is 48.1 mm.

  Next, the beverage can cap 10 will be described. The cap 10 for beverage cans is a molded product made of, for example, a synthetic resin. As described above, the cap main portion 12, the first locking portion 14, the second locking portion 16, the thick portion 18, and the weakening. And a cut portion 20 as a portion.

  As shown in FIG. 1 and FIG. 2, the cap main portion 12 includes a cylindrical tube portion 24 and a flat plate-like ceiling portion 26, and the ceiling portion 26 is formed on the upper portion of the tube portion 24. It is provided perpendicular to the center line A of 24. The cap 10 for beverage cans has a predetermined rigidity, and has an appropriate rigidity enough to protect the prize stored inside.

  The first locking portions 14 are provided on the inner surface of the cylindrical body portion 24 at six equal intervals along the circumferential direction. The first locking portion 14 has a predetermined length along the circumferential direction of the cylindrical portion 24 and a predetermined width in the vertical direction, and protrudes at a predetermined height inside the cylindrical portion 24. The height of the first locking portion 14 is a height that enters the lower end of the upper end rib 112 and reliably engages with the upper end rib 112 when the beverage can cap 10 is assembled to the beverage can 100. The first locking portion 14 is provided slightly above the position of the lower edge 28 of the cap main portion 12.

  The thick portion 18 is a member protruding in a strip shape in a direction from the inner surface of the cylindrical portion 24 toward the center line of the cylindrical portion 24, and has a predetermined thickness. The thick portion 18 is provided in parallel to the center line A from the ceiling portion 26, and is provided at a sandwich angle of about 45 degrees around the center line A of the cylindrical body portion 24.

  A second locking portion 16 is provided at the lower end of the thick portion 18. The 2nd latching | locking part 16 is provided in the 1st latching | locking part 14 with the space | interval equal to the width | variety of the vertical direction of the upper end rib 112 of the drink can 100, or a little wider than it.

  The second locking portion 16 protrudes higher toward the inside of the cylindrical body portion 24 than the first locking portion 14. The height of the second locking portion 16 is a height that is surely applied to the lower end of the upper end rib 142 when the beverage can cap 10 is assembled to the beverage can 130.

  As described above, when the first locking portion 14 and the second locking portion 16 are engaged with the lower end of the upper end rib 112 of the beverage can 100 or the upper end rib 142 of the beverage can 130, the beverage can cap 10 is It is attached to the beverage can 100 or the like with a predetermined assembly strength.

  Here, the predetermined assembling strength is a force that can be assumed that the beverage can cap 10 attached to the beverage can 100 is applied to the beverage can cap 10 during transportation or display at a store. Then, it refers to the strength that cannot be inadvertently removed from the beverage can 100.

  The cut portion 20 is a notch formed in an inverted U shape on the lower edge 28 of the cylindrical portion 24. The cut portions 20 are provided at three locations at equal intervals along the lower edge 28 of the cylindrical body portion 24. The cut portion 20 has a height width substantially equal to the height width from the lower edge 28 to the first locking portion 14 and a lateral width in the direction along the lower edge 28 of about 3/5 of the height width. doing. The cut portion 20 appropriately weakens the rigidity in the vicinity of the lower edge 28 of the cylindrical body portion 24, for example, the strength in the direction in which the lower edge 28 extends outward.

  When the beverage can cap 10 is to be removed by the cut portion 20, the vicinity of the lower edge 28 of the cylindrical portion 24 is appropriately deformed, and the engagement between the first locking portion 14 and the upper end rib 112 is released. Is done. Thereby, even if the 1st latching | locking part 14 and the 2nd latching | locking part 16 have penetrated deeply into the lower end of the upper end rib 112 or the upper end rib 142, the drink can cap 10 can be removed from the beverage can 100 or the like. It can be removed without difficulty.

  The beverage can cap 10 has, for example, a height H of about 36 mm and an outer diameter R of about 55 mm. The diameter of the circle connecting the inner front end portions of each second locking portion 16 is about 49 mm, the height width of the cut portion 20 is about 5 mm, and the lateral width is about 3 mm.

  Next, the operation of the beverage can cap 10 will be described. When the premium is placed on the lid of the beverage can 100 and the beverage can cap 10 is attached to the beverage can 100, the first locking portion 14 is engaged with the lower side of the upper end rib 112 as shown in FIG. To do. Since the 1st latching | locking part 14 has sufficient height to engage with the lower end of the upper end rib 112, the cap 10 for drink cans is assembled | attached to the drink can 100 reliably. 5 and 6, both the first locking portion 14 and the second locking portion 16 are shown in cross section for convenience of explanation.

  When the beverage can cap 10 is attached to the beverage can 100, the distance h1 between the inner surface of the ceiling portion 26 of the beverage can cap 10 and the upper end rib 112 of the beverage can 100 is 30 mm, and the beverage can cap 10 and the first beverage The inner volume of the area surrounded by the upper surface of the can 100 is about 56.4 cm 3. Premiums are stored in this space.

  Further, since the second locking portion 16 is disposed slightly above or in contact with the upper surface of the upper end rib 112, the second locking portion 16 is engaged with the upper end of the upper end rib 112, and a cap for a beverage can 10 is prevented from being pushed down further.

  On the other hand, when the beverage can cap 10 is lifted upward from the state where the beverage can cap 10 is attached, the vicinity of the lower edge 28 of the beverage can cap 10 is outward with the notch 20 as a boundary. Slightly deform. Then, the engagement between the first locking portion 14 and the upper end rib 112 is released, and the beverage can cap 10 can be easily detached from the beverage can 100.

  Accordingly, when a premium is placed on the upper surface of the lid portion of the first beverage can 100 and the beverage can cap 10 is attached, the inside of the beverage can cap 10 (the lid of the beverage can cap 10 and the first beverage can 100). The prize is stored in a region surrounded by the top surface of the part. The cap 10 for beverage cans is attached to the beverage can 100 with sufficient strength by the engagement between the first locking portion 14 and the upper end rib 112. As a result, the beverage can cap 10 is not inadvertently detached from the beverage can 100 during transportation or at the store.

  In addition, when the consumer purchases the beverage can 100 and then pulls up or tilts the beverage can cap 10, the lower portion of the cylindrical portion 24 is deformed by the cut portion 20. Then, the engagement between the first locking portion 14 and the upper end rib 112 is released, so that the consumer can remove the beverage can cap 10 from the beverage can 100 without difficulty. After removing the beverage can cap 10 from the beverage can 100, the consumer can take out the prize, open the spout 126 and drink the drinking water from the beverage can 100.

  A case where the beverage can cap 10 is attached to the beverage can 130 is shown in FIG. When the beverage can cap 10 is pushed into the beverage can 130, the first locking portion 14 passes without engaging the upper end rib 142 of the beverage can 130, and then the second locking portion 16 elastically moves the upper end rib 142. Get over and engage the lower end. The beverage can cap 10 is reliably assembled to the beverage can 130 because the second locking portion 16 engages with the upper end rib 142.

  At this time, the 1st latching | locking part 14 is located in the lower step part of the small diameter part 140 formed in step shape. Thereby, the 1st latching | locking part 14 prevents that the cap 10 for drink cans is pushed in further below. In this way, the prize is stored inside the beverage can cap 10.

  When the beverage can cap 10 is attached to the beverage can 130, h2 is 25 mm between the upper surface of the ceiling portion 26 of the beverage can cap 10 and the upper end rib 142, and the upper surface of the beverage can cap 10 and the beverage can 130 The inner volume of the area surrounded by is about 47 cm3.

  When the consumer tilts the cap 10 for beverage cans obliquely, the lower edge 28 of the cylindrical body portion 24 opens outward by the cut portion 20 and can be easily tilted. Then, the 2nd latching | locking part 16 is easily removed from the upper end rib 142, and the consumer can remove the drink can cap 10 from the drink can 130 without difficulty.

  As described above, according to the beverage can cap 10, the beverage can 100 can be reliably attached to both the beverage can 100 and the beverage can 130 having different shapes at the upper end. And when removing, the lower part of the cap 10 for drink cans deform | transforms with the notch part 20, and anyone can remove from a drink can easily.

  In the beverage can cap 10, the first locking portion 14 and the second locking portion 16 are provided at 6 and 8 locations, respectively, and the cut portions 20 are formed at 3 locations. Any number of the first locking portion 14, the second locking portion 16, and the cut portion 20 may be provided in the beverage can cap 10.

  7 and 8 show examples in which the cut portions 20 are provided at six locations. As in this example, a large number of notches 20 may be provided in the beverage can cap 11. In the case of this example, two types of cut portions 20 having different height widths are provided alternately. The beverage can cap 11 has the same configuration as the beverage can cap 10 except for the number of cut portions 20 and the height width.

  Further, the cut portion 20 is not an inverted U-shape, and may be any shape such as a rectangle, a triangle, a round shape, or a simple cut. In addition, as the weakened portion, even if the thickness in the vicinity of the lower edge 28 is partially or wholly reduced, the rigidity in the vicinity of the lower edge 28 of the cylindrical body portion 24 is reduced and outwardly It should be easy to open. The shape of the thinned portion may be any shape such as an inverted U shape, a rectangle, a triangle, or a round shape.

  Moreover, the body part of any beverage can may be made of steel or aluminum. Moreover, the trunk | drum part of a drink can body may be shape | molded integrally with a bottom part. In that case, the beverage can is formed without using the bottom plate.

  The present invention can be used for a beverage can cap.

  DESCRIPTION OF SYMBOLS 10 ... Beverage can cap, 12 ... Cap main part, 14 ... 1st latching | locking part, 16 ... 2nd latching | locking part, 18 ... Thick part, 20 ... Cutting part, 24 ... Cylindrical part, 26 ... Ceiling part , 28 ... lower edge, 100 ... first beverage can, 102 ... first beverage can body, 104 ... body part, 106 ... lid plate, 108 ... bottom plate, 110 ... small diameter part, 112 ... upper end rib, 114 ... lower end A rib, 130 ... 2nd drink can, 132 ... 2nd drink can body, 132 ... drink can body, 134 ... trunk | drum part, 136 ... cover plate, 140 ... small diameter part, 142 ... upper end rib.

Claims (5)

A cap for a beverage can that is detachably attached to the top of the beverage can,
A lid-shaped cylindrical cap main part;
A first locking portion and a second locking portion that are respectively provided on the inner surface lower portion of the cap main portion and engage with the caulking portions of the beverage cans having different upper shapes;
A weakened portion formed at a lower portion of the cap main portion, which reduces rigidity of at least the lower portion of the cap main portion;
A beverage can cap characterized by comprising: A lid-shaped cylindrical cap main portion having a cylindrical portion having the same diameter as the cylindrical beverage can and a ceiling portion provided continuously to the cylindrical portion, and having a lower end surface of the cylindrical portion opened. When,
A plurality of first locking portions protruding inward from the lower inner surface of the cap main portion;
A plurality of second locking portions provided above the first locking portion, and projecting higher from the inner surface of the cap main portion toward the inside than the first locking portion;
A plurality of thick portions each projecting inwardly from the inner surface of the cap main portion and extending from the upper end of the cap main portion to the second locking portion;
A weakening portion provided at a lower portion of the cap main portion and reducing rigidity of at least the lower portion of the cap main portion;
A beverage can having an annular rib on the outer periphery of the lid portion is attached by engaging either the first locking portion or the second locking portion to cover a prize placed on the lid portion. Cap for beverage can characterized by the above.   The said weakening part is a notch which cuts out a part of said cap main part formed from the lower edge of the said cap main part toward the said ceiling part, The Claim 1 or 2 characterized by the above-mentioned. Cap for beverage cans.   The said weakening part is a thin part which made the thickness width of the said cap main part thin formed in the lower edge vicinity of the said cap main part, The cap for drink cans of Claim 1 or 2 characterized by the above-mentioned.   The cap for beverage cans according to any one of claims 1 to 4, and the cap for beverage cans are detachably fitted so as to enclose a prize that contains drinking water and is placed on the lid. A beverage can with a cap consisting of a beverage can.

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