WO2021162410A1

WO2021162410A1 - Cover for food and beverage container

Info

Publication number: WO2021162410A1
Application number: PCT/KR2021/001710
Authority: WO
Inventors: 서경배
Original assignee: 서경배
Priority date: 2020-02-12
Filing date: 2021-02-09
Publication date: 2021-08-19

Abstract

The present invention relates to a cover for a food and beverage container and is a technique for easily separating a rupture disk and addressing a hygienic issue of a contaminated rupture disk, and by applying a first lever which can move from the upper portion of the cover for the food and beverage container to an outside of the cover, the rupture disk can be easily separated with the small force and the hygienic issue caused due to the contamination of the cover may be solved.

Description

food and beverage container cover

The present invention relates to a technique for easily removing a rupture disk from a cover of a food and beverage container and solving a sanitation problem of a contaminated rupture disk.

Since the 1960s, the so-called Ring Pull Tab technology has been introduced in the lid of food and beverage containers to form an opening in the lid, making it possible to drink beverages easily. However, there was an injury problem due to the sharp outer edge of the rupture disk separating from the cover, and to solve this problem, Stay On Tab technologies that allow the rupture disk to enter the inside of food and beverage containers have been developed and utilized since the mid-1970s. (US Pat. No. 3967752, Jul. 6, 1976., US Pat. No. 4042144, Aug. 16, 1977.) Existing technologies solve the problem of injury caused by the rupture disk by allowing the separated rupture disk to enter the inside of the container, but The sanitation problem caused by pollution has become more vulnerable.

The present invention is designed to solve the sanitary problem caused by contamination of the rupture disk while allowing the rupture disk to be easily removed.

The present invention as a technical idea for solving the above technical problem is provided in a food and beverage container having a main body, a cover, and a rupture disk, and an opening is formed by separating the rupture disk. Doedoe, located in the lower portion of the upper end of the rolled portion of the outer edge of the cover, a first lever having a linear groove formed therein; a cover connecting shaft formed on the upper surface of the cover and passing through the linear groove; a rupturable disc connecting shaft formed on the upper surface of the rupturable disc and passing through the linear groove, wherein the first lever is guided to the cover connecting shaft and the rupturable disc connecting shaft so that one end of the first lever is above the upper end of the curling part It provides a technology for the cover of the food and beverage container having a feature that one end of the first lever is movable to the outside of the cover by sliding so as to rise.

According to the present invention, the user of the food and beverage container can easily and conveniently separate the rupture disk, reduce sanitary problems caused by contamination of the rupture disk, and use the food and beverage container more hygienically by applying a straw built into the food and beverage container.

1 is a plan view and a partially enlarged view of a food and beverage container cover according to an embodiment of the present invention.

Figure 2 is a cross-sectional view of the food and beverage container cover shown in Figure 1 cut along the line I-I'.

Figure 3 is a plan view of the food and beverage container cover in a state in which the first lever shown in Figure 1 is moved to the outside.

Figure 4 is a cross-sectional view of the food and beverage container cover shown in Figure 3 cut along the II-II' line.

5 is a plan view of the food and beverage container cover in a state in which the first lever is rotated in the opposite direction to the opening about the cover rotation axis after the rupture disk is separated.

6 is a cross-sectional view of the food and beverage container cover shown in FIG. 5 cut along the line III-III'.

7 is for an embodiment in which a straw is provided inside the main body, and a cross-sectional view taken along line I-I' of FIG. This is an enlarged view of the section cut by the -V' line.

8 is an operation diagram of an embodiment provided with a straw.

9 is a schematic diagram for explaining a situation in which a user drinks a drink.

10 is an enlarged view of an embodiment in which a stopper member is provided in a state in which the first lever is removed for explanation, and a cross-section cut along the line VI-VI'.

11 is a cross-sectional view in which the first lever is replaced by the second lever in FIG. 2 , and FIG. 12 is respectively shown in FIG. 4 .

13 is a plan view of a food and beverage container cover of another embodiment provided with a lever receiving portion and an enlarged view of a cross-section cut along the line VII-VII'.

14 is a plan view of an embodiment of a food and beverage container cover provided with a handle hinged to the tab lever folded over the cover.

15 is a cross-sectional view taken along line VIII-VIII' of FIG. 14 .

16 is a plan view in a state in which the handle folded on the upper part of the cover in FIG. 14 is unfolded.

17 is a cross-sectional view taken along line IX-IX' of FIG. 16 .

18 is a plan view of an embodiment in which the second handle hinged to the tab of the existing food and beverage container on which the Stay On Tab technology is implemented is folded on the cover.

19 is a cross-sectional view taken along line X-X' of FIG. 18 .

20 is a plan view in a state in which the second handle folded on the upper part of the cover in FIG. 18 is unfolded.

21 is a cross-sectional view taken along the line XI-XI' of FIG. 20 .

1 is a plan view and a partial enlarged view of a food and beverage container cover 200 according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view of the food and beverage container cover 200 shown in FIG. .

3 is a plan view of the food and beverage container cover 200 in a state in which the first lever 400 shown in FIG. 1 is moved to the outside, and FIG. 4 is the food and beverage container cover 200 shown in FIG. 3 II-II ' This is a cross-sectional view cut by a line.

1 and 2, by allowing the cover connecting shaft 210 and the rupture disk connecting shaft 310 to pass through the linear groove 410 formed inside the first lever 400, the cover 200 is The first lever 400 located on the upper portion may be moved to the outside of the cover curling part 240 in a state connected to the cover 200 . The first lever 400 is basically in a plate shape, and has a shape that is convex toward the lower side and concave toward the upper side when viewed from the side, When viewed from the side, the cover 200 may be implemented to be positioned below the virtual plane formed by the upper end of the rolled portion 240 of the outer periphery. Accordingly, when loading a plurality of food and beverage containers, it is possible to store without a problem in that the loading space is increased compared to the food and beverage containers produced by the previous technology, and the linear groove of the first lever 400 as shown in FIGS. 3 and 4 . In a state where the cover connecting shaft 210 and the rupture disk connecting shaft 310 pass through the 410, the first lever 400 is made convex to the bottom so that the cover is not disturbed by the curled part 240 of the cover 200. 200) Since it can move to the outside, when the user A drinks the beverage B, the end of the first lever 400 corresponding to the force point at which the force of the user's finger acts to separate the rupture disk 300 is Since it is moved away from the rupture disk connecting shaft 310, which serves as the fulcrum of the lever, the rupture disk can be easily separated with a small force.

5 is a plan view of the food and beverage container cover 200 in a state in which the first lever 400 is rotated in the opposite direction to the opening 220 around the cover connecting shaft 210 after the rupture disk 300 is separated. , Figure 6 is a cross-sectional view taken along the line III-III' of the food and beverage container cover 200 shown in Figure 5.

The cross section of the cover connecting shaft 210 may be circular, and after the rupture disk 300 is separated from the cover 200 , the first lever 400 is rotatable about the cover connecting shaft 210 . A rivet coupling structure, a well-known technique widely used for rupture discs of aluminum cans, can be used as a method of forming the cover connecting shaft 210, and in the existing technologies called the Stay On Tab method, the separation line of the rupture disc is a part of the outer periphery of the rupture disc. However, in the present invention, a separation line is formed on the entire outer periphery of the bursting disk 300 so that the bursting disk 300 is completely separated from the cover 200 .

3 and 4, a groove-shaped lever flexible part 420 is formed on the inside of the first lever 400 in a direction perpendicular to the length of the first lever 400 to serve as a hinge function. This avoids that the force acting on the first lever 400 is directly transmitted to the cover connecting shaft 210 after the rupture disk 300 is separated from the cover 200, and the cover connecting shaft 210 is 1 It is possible to perform a stable function as a rotation axis of the lever 400, and the lever flexible part 420 may be formed in the form of a rupturable score line or may be implemented through various methods including the form of a hinge joint.

A preferred embodiment of the present invention will be described below in conjunction with the accompanying drawings.

For the purpose of this description, as shown in FIGS. 1 and 2 , the entire first lever 400 is positioned on the cover 200 and the rupture disk connecting shaft 310 is positioned at one end of the linear groove 410 . In the longitudinal direction of the linear groove 410, the side adjacent to the rupture disk connecting shaft 310 is defined as the outside of the linear groove 410, and the opposite side is defined as the inside of the linear groove 410, and the first lever 400 ) in the longitudinal direction of the first lever 400 side of the outside of the linear groove 410 to the outside of the first lever, the first lever 400 side of the inside of the linear groove 410 to the inside of the first lever 400 , and with respect to the rupture disk 300 and the opening 220 , the side adjacent to the center of the cover 200 is defined as the inside, and the side adjacent to the outer periphery of the cover 200 is defined as the outside.

In the present description, descriptions of various known techniques for separating a tear panel from a can end of a container by a rupturable score line and forming an opening will be omitted.

It is well known that the same work can be done with less force if the length of the lever from the fulcrum to the force point is increased. 1 and 2, by allowing the cover connecting shaft 210 and the rupture disk connecting shaft 310 to pass through the linear groove 410 formed inside the first lever 400, the cover 200 is In a state in which the first lever 400 located on the upper portion is connected to the cover 200 , it may be implemented to be movable to the outside of the cover rolled part 240 . The first lever 400 is basically in a plate shape, and has a shape that is convex toward the lower side and concave toward the upper side when viewed from the side, When viewed from the side, the cover 200 may be implemented to be located at the lower portion of the virtual plane formed by the upper end of the curled portion 240 of the outer periphery. Accordingly, there is no problem in that the loading space is increased compared to the food and beverage containers produced by the previous technology when loading a plurality of food and beverage containers, and the first lever 400 is a linear groove 410 as shown in FIGS. 3 and 4 . In the state in which the cover connecting shaft 210 and the rupturable disc connecting shaft 310 pass through, the first lever 400 is formed convexly to the bottom of the cover 200 without being disturbed by the curled part 240 of the cover 200. When the user (A) moves to the outside and drinks the beverage (B), the end of the first lever 400 corresponding to the force point at which the force of the user's finger acts to separate the rupture disk 300 serves as a lever fulcrum. The effect of increasing the length of the lever can be obtained by moving away from the rupture disk connecting shaft 310 that is used.

The width of the linear groove 410 is wide enough to accommodate the cross-section of the cover connecting shaft 210 or the rupturable disc connecting shaft 310 , and is formed on the cover connecting shaft 210 or the rupturable disc connecting shaft 310 to form a locking jaw. It is formed narrow enough that the structure that plays the role of cannot pass through, and the linear groove 410 can be formed in the form of a curve as well as a straight line.

The cross section of the cover connecting shaft 210 may be circular, and after the rupture disk 300 is separated from the cover 200 , the first lever 400 is rotatable about the cover connecting shaft 210 . A rivet coupling structure, which is a well-known technique widely used in the rupture disk of an aluminum can, may be utilized as a method of forming the cover connecting shaft 210 . The cross-section of the rupture disk connecting shaft 310 is made in a circular shape like the cover connecting shaft 210, or is made in the form of various cross-sections that can pass through the linear groove, although not shown in the drawing, so that the first lever member 400 It may be implemented so that the contact area between the rupture disk connection shaft 310 and the rupture disk is increased.

In the existing technologies called the Stay On Tab method, the separation line of the rupture disk is removed from a part of the outer periphery of the rupture disk so that a part of the rupture disk is attached to the cover of the container. The rupture disk 300 is completely separated from the cover 200 .

3 and 4, in a state where the cover connecting shaft 210 is positioned at the inner end of the linear groove 410, the first lever 400 positioned above the rupture disk 300 is ), it is possible to prevent injury due to the sharp outer periphery of the rupture disk 300 coupled to the first lever 400 in a state in which the rupture disk 300 is separated from the cover 200 .

A friction portion 430 having frictional resistance is formed on the upper surface of the first lever 400 in the longitudinal direction of the first lever 400 to easily move in a desired direction when moving the first lever 400 with the user's finger. can do it The friction part 430 may utilize various methods in which frictional resistance may occur, including a method of forming an uneven portion on the upper surface of the first lever 400, a method of forming various patterns, or a method of forming only a recess or a groove portion. .

When the first lever 400 moves in a state where the cover connecting shaft 210 or the rupture disk connecting shaft 310 passes through the linear groove 410 inside the first lever 400, the inner peripheral wall of the linear groove 410 A protruding piece 411 is formed in the linear groove 410 to guide the position of the cover connection shaft 210 or the rupture disk connection shaft 310 in the linear groove 410, or a locking jaw 412 on the inner peripheral wall of the linear groove 410. ) may be provided to allow the first lever 400 to move in only one direction.

3 and 4, a groove-shaped lever flexible part 420 is formed on the inside of the first lever 400 in a direction perpendicular to the length of the first lever 400 to serve as a hinge function. This avoids that the force acting on the first lever after the rupture disk 300 is separated from the cover 200 is directly transmitted to the cover connecting shaft 210, and the cover connecting shaft 210 is the first lever ( 400) as a rotating shaft, and can function stably.

The lever flexible part 420 may be formed in the form of a rupturable score line or may be implemented through various methods including the form of a hinge joint.

Thus, through the present invention, the user can easily lift the end of the first lever 400 to the upper side after easily moving the first lever 400 to the side, so that while using the food and beverage container to which the conventional technology is applied, the cover is placed on the cover. It is possible to solve the inconvenience of lifting the small tab in close contact, and it is possible to solve the hygiene problem that may occur as the contaminated rupture disk enters the inside of the body.

7 is an embodiment in which a straw 500 is provided inside the main body 100. As shown , a straw 500 having a straw flexible part 510 (straw flexible part) formed therein is embedded in the main body 100, as shown. , a first straw guide 520 is formed on the lower surface of the rupture disk 300 to guide the position of one end of the straw 500 adjacent to the rupture disk 300 in the body 100, but the rupturable disk 300 is the cover In the process of being separated, one end of the straw 500 may be exposed to the outside of the main body by allowing one end of the straw 500 to leave the first straw guide 520 through the straw guide opening 521 .

A second straw guide 530 coupled to the lower surface of the cover 200 is formed so that the other end of the straw 500 located in the lower portion of the main body 100 is located on the lower surface of the main body 100 on the lower surface of the consumer (A). ) to be located on the outer periphery close to the side. It is of course also possible to form the second straw guide 530 on the inside of the body 100 instead of the cover 200 .

8 is an operational view of an embodiment of a food and beverage container provided with a straw 500, and as shown, after moving the first lever 400 to the outside, the first lever 400 is lifted upward to separate the rupture disk In the initial stage, one end of the straw 500 is located inside the first straw guide 520, and when the first lever 400 is lifted upward above a certain level, one end of the straw 500 is a straw guide It is out of the first straw guide (520) through the opening (521).

As shown in FIG. 9, which is a schematic diagram for explaining a situation in which the user A drinks beverage, when a small amount of beverage B remains in the body 100, the opening 220 is adjacent to the consumer A side. When the body 100 is tilted, the beverage is driven from the outer periphery of the bottom surface of the body 100 to the side adjacent to the consumer. Since one end of the straw 500 located inside the main body 100 is positioned adjacent to the consumer on the outer periphery of the bottom surface of the main body 100 by the second straw guide 530, it is efficient even when only a small amount of beverage remains. can be used as Although not shown in the drawing, it will be possible to increase the length of the straw 500 by sliding on one end of the straw 500 exposed to the outside to form an extendable foldable tubular structure.

The rupture disk 300 separated from the cover 200 in a state coupled with the first lever 400 by forming the folding guide part 522 so that it can be easily folded when the side of the first straw guide 520 is pressed. After rotating the cover connecting shaft 210 to the opposite side of the opening 220, the food and beverage container can maintain a beautiful appearance by folding it by being pressed by a small force applied downward. The folding guide part 522 can be implemented by forming a dividing line, and can be implemented in a manner that various structures vulnerable to compressive force are formed.

The straw 500 provided inside the body 100 of the food and beverage container is applicable even in various cases where the structure of the cover 200 is partially changed, and the second lever 402, the third lever 403 described below. , the techniques in which the tab lever 404 is applied to the lid 200 will be part of a possible embodiment thereof.

10 is an enlarged view of an embodiment in which the stopper member 230 is provided with the first lever 400 removed for explanation and a cross-section cut along the line VI-VI', the stopper member 230 is the cover connecting shaft It may be made of an elastic or inelastic material on the upper portion of the cover by 210, between the cover 200 and the first lever 400 or on the upper portion of the first lever 400, and the cover is connected as shown in FIG. By having a groove for accommodating the shaft 210, it can be connected to the cover 200, and it is also possible to be implemented by being coupled to the lower portion of the first lever 400. The upper surface of the inner periphery of the cover 200 adjacent to the open opening 220 and the lower portion of the outer periphery of the stopper member 230 contacting corresponding to the upper surface of the inner periphery of the cover 200 adjacent to the opening 220 Concave portions and grooves are formed to correspond to each other on the surface, respectively, and can be carried out by providing a recessed portion 231 that is forcibly fitted. By sealing the opening 220 that is opened, it is possible to prevent the opening 220 from changing the taste and smell of the contents stored inside the food and beverage body 100 by opening the opening 220 .

11 is a cross-sectional view of another embodiment in which the first lever 400 is respectively replaced by the second lever 401 in FIG. 2 and FIG. 4 .

11 and 12, by allowing the cover connecting shaft 210 and the bursting disk connecting shaft 310 to pass through the linear groove 410 formed inside the second lever 401, the cover 200 is While the second lever 401 located on the upper part is moved to the outside of the cover curling part 240 while connected to the cover 200, the cover 200 or the rupture disk 300 is covered by a raised jaw 440 formed on the top. It is possible to move to the outside of the cover 200 by sliding upwards on the top of the curled part 240 . The second lever 402 is basically a plate shape, and when viewed from the side, the second lever 401 can be implemented so as to be located below the virtual plane formed by the upper end of the cover curling part 240 .

13 is a plan view of a food and beverage container cover 200 of another embodiment provided with a lever receiving part 320 and an enlarged view of a cross-section cut along the line VII-VII', as shown, the upper part of the rupture disk 300 The third lever 402 is moved outwardly by implementing the lever receiving part 320 having the shape of a through-groove on the surface to be formed, and then lifted up and the rupture disk 300 coupled to the lower part of the third lever 402. can be separated. In addition to the shape of the through-groove, the lever receiving part 320 accommodates the third lever 402, but it is also possible to implement it so that the structure of the upper part is partially opened so that the receiving jaw of the third lever 402 is formed. .

14 is a plan view of another embodiment provided with a handle 620 folded on the upper portion of the cover 200, FIG. 15 is a cross-sectional view taken along the line VIII-VIII' of FIG. 14, and FIG. It is a plan view in a state in which the handle 620 folded on the top of the cover 200 is unfolded, and FIG. 17 is a cross-sectional view taken along line IX-IX' of FIG. 16 .

14 and 15, in the food and beverage container having a main body, a cover, and a rupture disk, and an opening is formed by separating the rupture disk from the lid, the tab lever 403 is connected to the lid through the lid connecting shaft 210. 200), through a rupture disk connecting shaft 310, respectively, can be coupled in a rivet manner to penetrate the upper portion of the bursting disk 300, and through a hinge portion 630 formed at the outer end of the tab lever 403 Although the handle 620 is connected, it may be implemented to be foldable on the upper part of the tab lever 403 . 16 and 17, in order to separate the rupture disk 300 coupled to the lower part of the tab lever 403 from the cover 200, the handle 620 is moved around the hinge part 630 as the axis of the cover 200. ) It is possible to easily separate the rupture disk connecting shaft 310 from the cover 200 by lifting it in a state of being rotated outward. At this time, it is also possible to implement a fixed jaw installed in the hinge portion 630 so that the handle 620 can be fixed in the outwardly rotated state.

18 is a plan view of an embodiment in which the second handle 621 hinged to the tab 600 of the conventional food and beverage container on which the Stay On Tab technology is applied is folded on the cover 200, and FIG. It is a cross-sectional view cut along the line X-X', FIG. 20 is a plan view in a state in which the second handle 621 folded on the upper part of the cover 200 in FIG. 18 is unfolded, and FIG. It is a cross-section cut from

In the existing aluminum can to which Stay On Tab technology is applied, a tab for lifting the rupture disk with an incomplete separation line is attached to the top of the cover. is used to separate the rupture disk. The user often feels uncomfortable when lifting the tab because it is made in close contact with the upper part of the cover, and this embodiment is designed to comfortably lift the tab of the food and beverage container.

18 and 19, to the outer end of the tab 600 coupled through a rivet 610 formed on the cover 200 of the food and beverage container, a second hinged through a second hinge portion 631 The handle 621 may be folded over the cover 200 . Accordingly, when the folded second handle 621 is rotated to the outside of the cover 200 as shown in FIGS. 20 and 21 , the tab 600 can be conveniently and easily lifted using the second handle 621 to provide a rupture disc 300 . can be separated.

Some preferred embodiments of the present invention have been described above, and various modifications may be made without departing from the scope of the present invention. Accordingly, the scope of the present invention is not limited to the above embodiments, and all descriptions of the claims of the present invention and their equivalents should be considered to be included in the scope of the present invention.

Claims

In the food and beverage container provided with a main body, a cover, and a rupture disk, the opening is formed by separating the rupture disk from the lid,

A first lever provided in the upper portion of the cover, in the form of a plate convex in the lower direction, located below the upper end of the rolled portion of the outer edge of the cover, the first lever having a linear groove formed therein;

a cover connecting shaft formed on the upper surface of the cover and passing through the linear groove;

A rupture disk connecting shaft formed on the upper surface of the rupture disk and passing through the linear groove is provided;

The first lever is guided to the cover connecting shaft and the rupturable disc connecting shaft, so that one end of the first lever is slid to rise above the upper end of the curling part, so that one end of the first lever is movable to the outside of the cover. Covers for food and beverage containers.
In the food and beverage container provided with a main body, a cover, and a rupture disk, the opening is formed by separating the rupture disk from the lid,

a second lever provided in the form of a plate on the upper portion of the cover, located below the upper end of the rolled portion of the outer edge of the cover, and having a linear groove formed therein;

a cover connecting shaft formed on the upper surface of the cover and passing through the linear groove;

a rupture disk connecting shaft formed on the upper surface of the rupture disk and passing through the linear groove;

a lifting protrusion formed on the cover or the rupture disk so that one end of the second lever slides above the upper end of the curling part; is provided;

The second lever is guided to the cover connecting shaft and the rupturable disc connecting shaft, so that one end of the second lever is slid to rise above the lifting jaw and the upper end of the curling part, so that one end of the second lever is directed to the outside of the cover. A lid for a food and beverage container having a movable feature.
In the food and beverage container provided with a main body, a cover, and a rupture disk, the opening is formed by separating the rupture disk from the lid,

a third lever provided in the form of a plate on the upper part of the cover, located below the upper end of the rolled part of the outer edge of the cover, and having a linear groove formed therein;

a cover connecting shaft formed on the upper surface of the cover and passing through the linear groove;

a lever receiving portion formed on the upper surface of the rupture disk and allowing one end of the third lever to pass through; is provided;

The third lever is guided to the cover connecting shaft, the cover of the food and beverage container having one end of the third lever passing through the third lever receiving portion to move to the outside of the cover.
In the food and beverage container provided with a main body, a cover, and a rupture disk, the opening is formed by separating the rupture disk from the lid,

a tab lever coupled to an upper portion of the cover and the rupture disk;

a cover connecting shaft formed on the upper surface of the cover and passing through the tab lever;

a rupture disk connecting shaft formed on the upper surface of the rupture disk and passing through the tab lever;

A cover of a food and beverage container provided with a handle that is hinged to the outer end of the tab lever and is foldable on the upper portion of the tab lever.
5. The method according to any one of claims 1 to 4,

a straw built into the body;

a straw flexible portion formed on the straw;

It is coupled to the lower surface of the rupturable disk to guide the position of the end of the straw positioned on the upper part of the body, and the end of the straw is connected to the outside of the main body through the opening in the process of the rupturable disk being separated from the cover. A cover of a food and beverage container provided with; a first straw guide to be exposed to.
6. The method of claim 5,

A second straw guide coupled to the lower surface of the cover or the inner surface of the main body, wherein the end of the straw positioned under the main body is positioned on the outer periphery adjacent to the consumer from the bottom surface of the inner body of the main body; is provided cover of food and beverage containers.
5. The method according to any one of claims 1 to 4,

A cover of a food and beverage container provided with a; doedoe provided on the cover by the cover connecting shaft, and a stopper member for sealing the opening in a state in which the bursting plate is separated from the cover.
8. The method of claim 7,

When the closure member closes the opening, the upper surface of the inner periphery of the lid adjacent to the opening in contact with the closure member and the lower surface of the outer periphery of the closure contacting the upper surface of the inner periphery of the lid A cover of a food and beverage container provided with; a recess for forcing the recess and recess to correspond to each other, respectively formed.
In any one of claims 1, 2, 4,

The first lever, the second lever, the inside of any one of the tab lever, a lever flexible portion formed in a groove shape perpendicular to the longitudinal direction; cover of the food and beverage container provided with.
5. The method according to any one of claims 1 to 4,

The cover of the food and beverage container having the feature that the separation line of the rupture disk is formed on the entire outer periphery of the rupture disk.
The method according to any one of claims 1 to 3,

The first lever, the second lever, on the upper surface of any one of the third lever, a friction portion having friction resistance in the longitudinal direction; cover of the food and beverage container provided with.
The method according to any one of claims 1 to 3,

On the inner peripheral wall of the linear groove, the first lever, the second lever, the protruding piece for guiding the position of any one of the third lever; cover of the food and beverage container provided.
The method according to any one of claims 1 to 3,

On the inner peripheral wall of the linear groove, the first lever, the second lever, the locking jaw for preventing any one of the third lever from moving; Cover of the food and beverage container provided with.
In the food and beverage container having a main body, a cover, a rupture disk, and a tab, and the opening is formed by separating the rupture disk from the cover by lifting the tab,

a second handle hinged to the outer end of the tab and foldable on the cover; The cover of the food and beverage container is provided.