JPH0738140Y2 - Opening structure of can container - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to an opening structure of a can container suitable for filling a metal can body with a carbonated drink or beer for sale.

[Conventional technology]

As is well known, as this kind of can container, it is known that an opening piece capable of cutting off a part of the end plate by a pulling operation of the ring is provided on the upper part of the can body. If cut off and discarded as it is, the cutting edge of the opening piece is sharp, which may cause injury when stepped on.

Therefore, in recent years, as shown in FIG. 20, a tape 33 such as a laminated film or an aluminum foil closes a drinking opening 32 opened in a part of an end plate 31 of a container can 30 from above, and one end of the tape when used. A new type has been developed in which the can is pulled to open.

[Problems to be solved by the device]

However, if the above-mentioned open can structure is applied to a positive pressure can as it is, the pressure in the can pushes up the tape, and eventually the adhesive portion of the tape peels off naturally. There was a problem that expressions could not be used.

The present invention has been made in view of the above circumstances, and skillfully uses a tape that is not dangerous even if it is thrown away as it is,
It is an object of the present invention to provide an opening structure for a can container that is particularly suitable for positive pressure cans.

[Means for Solving the Problems]

In order to achieve the above object, the opening structure of a can container according to the present invention is such that a tape piece for closing a drinking opening that opens in a part of the mirror plate is adhered to the lower surface of the mirror plate at the upper part of the can body. The connecting plate to be fixed is arranged at the bottom position of the front half of the ring frame divided by the partition bars by connecting with the connecting pieces on both sides, and the connecting plate and the partition bars are connected by a stopper that can be cut. The ring frame is arranged at a position projecting above the end plate, and the front end portion of the ring frame is arranged on the upper surface of the drinking cup peripherally to the inner side. Further, on the lower surface of the end plate in the upper part of the can body, a tape piece for closing the drinking opening that opens in a part of the end plate is adhered, and the lower end is fixed to this tape piece and a button portion protruding above the end plate, While detachably connecting with the ring part mounted on the end plate near the drinking mouth,
One end of each of the two parts is connected to each other by a hinge, the upper peripheral edge of the button part is projected beyond the peripheral edge of the drinking mouth, and a space is provided between the upper peripheral edge and the end plate. In addition, a tape piece is attached to the bottom surface of the end plate at the top of the can body to close the drinking opening that opens in a part of the end plate. The part protruding from the end plate and arranged on the tape piece,
At one end of the button part, a lid part which covers the upper surface of the button part and whose side edge part is placed on the end plate near the mouth is attached so that it can be opened and closed via a hinge, and the upper edge of the button part It is characterized in that a space is provided between them.

〔Example〕

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

1 and 2 show an example of a typical implementation structure of the present invention (hereinafter referred to as "first embodiment"). In the figure, reference numeral 1 denotes a can body in a positive pressure can for storing carbonated drinks, beer, etc., which is provided with a drinking port 3 opened at a part of an end plate 2 at the top of the can body 1 and further A tape piece 4 for closing the mouth 3 is adhered to the lower surface of the end plate 2. The tape piece 4 is formed of a laminated film or aluminum foil.

Reference numeral 5 indicates a knob formed of a synthetic resin such as polyethylene or polypropylene. The knob 5 is a connecting plate 6 fixed to the upper surface of the tape piece 4.
The connecting plate 6 is connected to the connecting plate 6 via connecting pieces 7 and 7 at corresponding positions on both sides, and a substantially oval ring frame 8 and a partition bar 9 that crosses the middle of the ring frame 8. The connection plate 6 is arranged at a bottom surface position in the front half of the ring frame 8 partitioned by the partition bar 9.
Further, it is connected to the partition bar 9 by a stopper piece 10 which can be cut. Further, the ring frame 8 projects slightly above the end plate 2 from the drinking mouth 3, and the curved front end portion 8A of the ring frame 8 has a bottom end that is widened and gradually widens. It is made thin and the lower end is the mouth 3
It is arranged along the inner side of the periphery. On the other hand, ring frame 8
The rear part is arranged so as to be located on the upper surface of the end plate 2 which is removed from the mouthpiece 3. At the curved rear end portion of the ring frame 8, a step 11 cut downward is provided.

When opening the drinking mouth 3 of the can 1, first, as shown in FIGS. 3 to 5, first hook the fingertip on the step 11 to slightly raise the rear end portion of the ring frame 8 and pinch it with the fingertip. When lifted, the stopper piece 10 is cut, and at the same time, the pair of connecting pieces 7,
When the front end portion 8A of the ring frame rotates downward with 7 as a fulcrum, the tape piece 4 on the lower surface is broken, and then the knob body 5 is pulled up, whereby a part of the tape piece adhered to the lower surface of the end plate 2 Except for the remaining tape piece 4, the knob 5 and the mouthpiece 3
Pulled out of.

It should be noted that the stopper piece 10 connects the connecting plate 6 and the partition bar 9 unless a conscious external force is exerted when opening the drinking mouth, and the front end portion 8A rotates downward due to an unexpected external force. Plays a role of blocking.

FIG. 6 shows a modified example of the first embodiment of the present invention, in which the rear half of the ring frame 8 is bent upward at an angle θ within about 10 degrees so that the fingertips can be opened when the mouth is opened. The lifting operation can be easily performed. Further, FIG. 7 is also a modification of the first embodiment of the present invention, in which the latter half of the ring frame 8 is inflated horizontally in a circular shape, and the fingertips are lifted during the lifting operation in the case of the mouth opening. The ring frame 8 in the latter half can be easily inserted.

8 to 9 show a second embodiment of the present invention. The knob 15 made of synthetic resin is arranged on the upper surface of the tape piece 4 that adheres to the lower surface of the end plate 2 to close the mouth 3, and is arranged so as to project from the end 3 above the end plate 2. ing. On the upper surface in the vicinity of the periphery of the knob body 15, there are provided two perforations 16, 16 which are parallel to each other along the periphery and are arranged at regular intervals. By separating the strip 18 along the lines 16 and 16, the knob 15 can be divided into a central button portion 19 and a peripheral ring portion 20. Button part 19 and ring part 20
Are interconnected by hinges 21 at their rear end portions. An annular leg 22 is provided on the lower surface of the button portion 19, and the lower end of the annular leg 22 is fixed to the tape piece 4 and is arranged close to the peripheral edge of the drinking opening 3. A peripheral edge of the button portion 19 is a collar 23 slightly laterally protruding from the annular leg 22, and a gap G is provided between the collar portion 23 and the end plate 2. In addition, a small hole 24 communicating with the hollow portion S formed by the annular leg 22 and the tape piece 4 is formed on the upper surface of the button portion 19.

When the drinking mouth 3 of the can body 1 is opened in the second embodiment, as shown in FIGS. 10 to 14, first, the gripping piece 17 is held to separate the band piece 18, and the button portion 19 and the ring. After dividing it into 20 parts, press the upper surface of the button part 19 with your fingertips,
Is pushed down by the collar 23 until it engages with the peripheral portion of the mouthpiece 3, the tape piece 4 adhered to the lower surface of the end plate 2 is peeled off, then the ring portion 20 is lifted and picked, and pulled upward, The knob 15 can be pulled out from the drinking mouth 3 together with the tape piece 4.

Since the ring portion 20 is integrated with the button portion 19 and is locked near the periphery of the drinking mouth 3 unless the perforations 16 and 16 are cut off, the button portion 19 is prevented from being pushed down by an erroneous operation. It is blocking. The small holes 24 are air vents for releasing the air in the hollow portion S when the tape piece 4 is lifted up by the action of the internal pressure of the can body 1.

FIGS. 15 and 16 show a third embodiment of the present invention.
The difference from the second embodiment is that, instead of the ring portion 20, a lid portion 25 that covers the upper surface of the button portion 19 is attached such that it can be opened and closed via a hinge 26 at the front end. The lid portion 25 is provided with a side edge 25A which covers the side edge of the button portion 19 and has a lower end edge placed on the end plate 2 near the drinking opening 3,
Further, at the rear end portion, a snap-fitting projection piece 27, which is convenient when the lid portion 25 is opened, is provided so as to be engaged with the button portion 19 in a snap type. Further, a through hole 28 that facilitates the operation at the time of pulling up is formed at a position on the side of the projecting piece 27 of the lid portion 25 that is offset.

According to the third embodiment, if the projecting piece 27 is hooked on the fingertip to open the lid portion 25 and the button portion 19 is pressed with the fingertip, the second portion is obtained.
Similar to the embodiment, the tape piece 4 adhered to the lower surface of the end plate 2
Then, the lid portion 25 can be picked up and pulled upward to pull out the button portion 19 together with the tape piece 4 from the drinking mouth 3 (see FIGS. 17 to 19).

In a normal state, the button portion 19 is covered and protected from above by the lid portion 25 except the through hole 28, so that it is possible to prevent the button portion 19 from being pushed down by an accidental pressing force. It is not necessary that the through hole 28 has a large shape from this point of view, and the lid portion 25 that is off the central position corresponding to the drinking mouth 3 is used.
It is desirable to provide it near the rear end, and the through hole may not be provided in some cases.

The invention is not limited to positive pressure cans, but can be applied to non-pressure cans as needed.

[Effect of device]

As described above, according to the present invention, since the tape piece is adhered to the lower surface side of the end plate, there is no fear that the adhered portion of the tape piece will be peeled off even when pressure is applied from inside the can.
Since the drinking mouth is surely closed and the tape piece is prevented from being affected by an erroneous operation caused by an unexpected external force, the closed state of the drinking mouth can be stably maintained. Further, even when the drinking mouth is opened, the blocking tape piece can be easily and reliably removed, and even if the constituent members removed from the drinking mouth are thrown away, the foot or the like is injured. It is particularly suitable as an opening structure for a positive pressure can because there is no fear.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of an opening structure of a can container according to the present invention, FIG. 2 is a sectional view thereof, and FIGS. 3 to 5 are sectional views showing a procedure of opening a drinking mouth, FIG. 6 is a sectional view showing a modification of the first embodiment, FIG. 7 is a perspective view showing another modification of the first embodiment, and FIG. 8 is a perspective view showing a second embodiment of the present invention. FIG. 9 is a sectional view thereof, FIGS. 10 to 14 show a procedure of opening operation of a drinking mouth, FIGS. 10 and 11 are perspective views, FIG. 12 is a sectional view, and FIG. FIG. 14 is a perspective view, FIG. 14 is a sectional view, FIG. 15 is a perspective view showing a third embodiment of the present invention, and FIG.
FIG. 17 is a sectional view, FIGS. 17 to 19 show a procedure for opening a drinking mouth, FIGS. 17 and 18 are perspective views, FIG. 19 is a sectional view, and FIG. 20 is a conventional example. FIG. 1 ... Can body, 2 ... Mirror body, 3 ... Drinking mouth, 4 ... Tape piece, 6 ... Connection plate, 7,7 ... Connection piece, 8 ... Ring frame, 8A ... Front end part of ring frame,
9 ... Partition bar, 10 ... Stopper piece, 16, 16 ... Cut perforation, 19 ... Button part, 20 ... Ring part, 21 ... Hinge, 23 ...
Tsuba, 25 ... Lid, 25A ... Side edge, 26 ... Hinge, G ... Spacing

Claims (3)

[Scope of utility model registration request] 1. A tape piece (4) is attached to the lower surface of an end plate (2) at the upper part of a can body (1) to close a drinking opening (3) opened in a part of the end plate (2). The connecting plate (6) fixed to the piece (4) is connected to the bottom surface position of the front half of the ring frame (8) divided by the partition bar (9) by connecting pieces (7, 7) on both sides. Further, the connecting plate (6) and the partition bar (9) are connected by a stopper piece (10) which can be cut, and the ring frame (8) is arranged at a position projecting above the end plate (2). Along with
Opening structure of a can container characterized in that the front end portion (8A) of the ring frame is arranged on the upper surface inward of the periphery of the drinking mouth (3). 2. A tape piece (4) for adhering a drinking opening (3) opened in a part of the mirror plate (2) is adhered to the lower surface of the mirror plate (2) on the upper part of the can body (1), and this tape is used. A button portion (19) whose lower end is fixed to the piece (4) and which projects upward from the end plate (2), and a ring portion (20) which is placed on the end plate (2) near the drinking mouth (3). In addition to being separably coupled, one ends of the both parts (19) (20) are connected to each other by a hinge (21), and the upper peripheral edge of the button part (19) is projected beyond the peripheral edge of the drinking spout (3). An opening structure for a can container, characterized in that a gap (G) is provided between the upper peripheral edge and the end plate (2). 3. A tape piece (4) for adhering a drinking opening (3) opening in a part of the mirror plate (2) is adhered to the lower surface of the mirror plate (2) on the upper part of the can body (1), and this tape is used. A button portion (19) having a lower end fixed to the piece (4) and an upper peripheral edge protruding from the peripheral edge of the mouthpiece (3) is arranged on the tape piece (4) so as to protrude from the end plate (2). At one end of the button part (19), the lid part (25) which covers the upper surface of the button part (19) and whose side edge part (25A) is placed on the end plate (2) near the drinking mouth (3) is hinged. It is attached so that it can be opened and closed via (26), and the button part (19)
An opening structure for a can container, characterized in that a gap (G) is provided between the upper peripheral edge and the end plate (2).