JP3043329U - Sealing lid - Google Patents

Abstract

(57) Abstract: An object of the present invention is to provide a sealing lid which has a good tight fitting property to a can mouth portion and can prevent unauthorized opening. SOLUTION: In a lid tightly fitted to a can mouth portion, a synthetic resin ring having an annular inner skirt and an outer skirt and having a gate-shaped cross section, and an inner wall of the outer skirt is shaped to be tightly fitted to an upper end portion of the can mouth. , A downward ring-shaped projecting portion continuous with the outer peripheral portion of the metal top plate is fitted into the inner wall of the inner skirt, and the lower edge of the ring-shaped projecting portion is wound and fixed so as to wrap around the edge of the inner skirt. A lid is formed, and an opening-use annular belt capable of contacting the body of the can is continuously provided around the lower end of the outer skirt through a cutout portion, and a tab is provided on the belt. Sealing lid.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a sealing lid for the purpose of improving tight fitting property to a can mouth portion and preventing unauthorized opening.

[0002]

[Prior art]

 Conventionally, this kind of sealing lid is a synthetic resin ring consisting of an outer skirt and a circular top part, and a metal cover is attached to the lower surface of the circular top part with a gasket to form a lid, and at the lower end of the lid for opening. It has been known that a belt is provided and one end of a tab is attached to the belt (Jitsuko 57-53247).

[0003]

[Issues to be solved by the invention]

 In the above conventional device, since the metal cover is attached to the circular top portion with the gasket, there is a problem that the metal cover is peeled off from the synthetic resin ring when the lid is used many times. Further, since only one end of the tab of the belt is attached, there is a problem that the lid is opened by inadvertently pulling the tab.

[0004]

[Means for solving problems]

 Therefore, the present invention is a synthetic resin ring having an inner skirt and an outer skirt, in which the lower protruding portion of the metal top plate is wound and fixed to the edge portion of the inner skirt, and a separation portion is provided in the width direction of the annular belt. Since one end of the tab is connected to one side of the belt and the other end of the tab is detachably attached to the other side of the belt, the synthetic resin ring and the metal top plate can be firmly connected. However, even if the picked piece is pulled carelessly, the can is not opened, so that the conventional problems described above can be solved.

That is, the invention is a synthetic resin ring having a gate-shaped cross section having an annular inner skirt and an outer skirt in a lid tightly fitted to the can mouth, and the inner wall of the outer skirt serves as the upper end of the can mouth. With a shape that allows close fitting, a downward annular protrusion that is continuous with the outer peripheral portion of the metal top plate is inserted into the inner wall of the inner skirt, and the lower edge of the annular protrusion wraps the edge of the inner skirt. A lid is formed by winding and fixing, and a ring-shaped opening belt that can come into contact with the body of the can is continuously provided around the lower end of the outer skirt through a cutout portion, and a tab is provided on the belt. It is a sealing lid characterized by that. Another invention is a lid that is tightly fitted to the can mouth portion, and is a synthetic resin ring having an annular inner skirt and an outer skirt, the inner wall of the outer skirt being tightly fitted to the upper end portion of the can mouth. In addition to providing a concave shape, a connecting part having a step with a lower outer skirt side is provided at the upper end of the outer skirt and the upper end of the inner skirt, and is connected to the inner side wall of the inner skirt and the outer peripheral part of the metal top plate. The above-mentioned downward annular protrusion is fitted and the lower edge of the annular protrusion is wound and fixed so as to wrap around the edge of the inner skirt to form a lid, and a cutout is formed around the entire lower end of the outer skirt. The sealing lid is characterized in that a ring-shaped belt for opening that can be brought into contact with the body of the can is continuously provided therethrough, and a tab is provided on the belt. Another invention is a lid for fitting a can mouth portion tightly, wherein the lid is a synthetic resin ring having an annular inner skirt and an outer skirt, and the inner wall of the outer skirt can be tightly fitted to the upper end portion of the can mouth. The inner wall of the inner skirt is fitted with a downward annular protrusion that is continuous with the outer periphery of the metal plate, and the lower edge of the annular protrusion wraps around the edge of the inner skirt. A lid is fixed to the outer skirt, and a ring-shaped opening belt that can contact the body of the can is continuously provided through the cut-out portion around the entire lower end of the outer skirt. Provided, the base end of the tab is connected to one side of the belt by sandwiching the separating part, and the strip is sandwiched between the other side of the belt and the tab is stacked on the other side. It is a sealing lid that is detachably attached to the tip of the piece, and the can mouth is tightly fitted. In the lid, a synthetic resin ring having an annular inner skirt and an outer skirt and having a gate-shaped cross section, the inner wall of the outer skirt having a shape that can be tightly fitted to the upper end of the can mouth, and the inner wall of the inner skirt being A downward ring-shaped projecting portion continuous with the outer peripheral portion of the plate is fitted and inserted, and the lower edge of the ring-shaped projecting portion is wound and fixed so as to wrap around the edge portion of the inner skirt to form a lid. A ring-shaped belt for opening that can contact the body of the can is continuously provided through the cut-out portion around the entire lower end, and a cut-off portion is provided in the width direction of the ring-shaped belt, and the belt is sandwiched by the cut-off portion. Connect the base end of the tab to one side, and put the tab on the other side of the belt with the cut-off portion sandwiched between the outer wall of the other side and the inner wall of the tip of the tab of the belt. A sealing lid characterized in that it is detachably connected at multiple points in the width direction. .

The cut-off portion and the cut-off portion include, for example, a thin portion and a score.

[0007]

[Embodiment of the invention]

 According to this invention, in the lid which is tightly fitted to the can mouth portion, there is provided a synthetic resin ring having an annular inner skirt and an outer skirt, and the inner wall of the outer skirt is closely sealed to the upper end portion of the can mouth. With a shape that can be fitted, a downward annular protrusion that is continuous with the outer periphery of the metal top plate is inserted into the inner wall of the inner skirt, and the lower edge of the annular protrusion wraps the edge of the inner skirt. A lid is formed by winding and fixing, and a ring-shaped opening belt that can contact the body of the can is continuously provided around the lower end of the outer skirt through a cutout portion, and a knob is provided on the belt. It is a thing.

[0008]

Embodiment 1 An embodiment of the present invention will be described with reference to FIGS.

This embodiment relates to a sealing lid 2 which is tightly fitted in a can mouth portion 1. Reference numeral 3 is a synthetic resin ring having an annular inner skirt and outer skirts 4 and 5 and having a gate-shaped cross section. The inner wall 6 of the outer skirt 5 is provided with a recess 8 which is tightly fitted to the upper end 7 of the can mouth 1 of the can mouth 1. A step portion 10 having a lower outer skirt 5 side is formed at a connecting portion 9 between the upper end of the outer skirt 5 and the upper end of the inner skirt 4. This is to strengthen the connecting portion 9 between the upper end of the outer skirt 5 of the synthetic resin ring 3 and the upper end of the inner skirt 4. Further, an annular protrusion 13 is provided downward on the outer peripheral portion 12 of the metal top plate 11. On the inner side wall 14 of the inner skirt 4, a downward ring-shaped protrusion 13 continuous with the outer peripheral portion 12 of the metal top plate 11 is fitted, and the lower edge 16 of the ring-shaped protrusion 13 is the edge of the inner skirt 4. The lid 18 is formed by winding and fixing the portion 17 so as to wrap it. Next, an unsealing annular belt 20 is continuously provided around the lower end of the outer skirt 5 of the lid 18 so as to come into contact with the body of the can via a cutout portion made of a thin portion 19, and the belt 20 is circumferentially arranged in the circumferential direction. The sealing lid 2 provided with the tab 21 is configured.

In the above, the winding portion 22 which is fixed by winding at the lower edge 16 of the annular protrusion 13 so as to wrap around the edge portion 17 of the inner skirt 4, has a holding ring whose one end is fixed to the upper end of the can mouth portion 1. The upper side of 23 is abutted. Reference numeral 24 in FIG. 2 is a partition plate. Although the cut-off portion is the thin-walled portion 19, a score or other structure that facilitates cutting can be used. The point is that the gripping piece 21 can be pulled to cut off the annular belt 20, and the structure is not limited to the above.

When the knob 21 of the annular belt 20 of the sealing lid 2 which is tightly fitted in the can mouth portion 1 is pulled, the thin portion 19 continuous with the lower circumference of the outer skirt 5 of the lid 18 is cut, Since the belt 20 is removed, the lid 18 can be removed from the can mouth 1. Since the lid 18 cannot be removed unless the belt 20 is cut off, it is possible to prevent the belt 20 from being unlawfully removed from the can mouth 1.

[0012]

Second Embodiment Another embodiment of the invention will be described with reference to FIGS.

In this embodiment, a separating portion 25 is provided in the width direction of the opening annular belt 20. The base end portion 28 of the tab 21 is connected to one side 26 of the belt 20 with the separation portion 25 sandwiched therebetween. The tab 21 is overlapped with the other side 29 of the belt 20 sandwiched by the separating section 25, and the tip 30 of the tab 21 is detachably attached to the other side 29. Reference numeral 31 in FIG. 5 is a separation portion.

Other structures and usages are the same as those in the first embodiment, and detailed description thereof will be omitted. Since this embodiment has the above-mentioned structure, the lid is not opened even if the knob 21 is pulled carelessly.

[0015]

Third Embodiment Another embodiment of the invention will be described with reference to FIGS.

In this embodiment, a separating portion 25 is provided in the width direction of the opening annular belt 20. On one side 26 of the belt 20 which is sandwiched between the separating portions 25, a base end portion 28 of a knob 21 having a width of about half the width of the belt 20 is attached to the upper edge of the belt 20 and the knob 21. Match the upper edge and connect. The knob 21 is overlapped with the other side 29 of the belt 20 sandwiched by the cut-off portion 25, and the outer wall 32 of the other side 29 and the inner wall 33 of the tip portion 30 of the knob 21 are arranged in the width direction. , And the two connecting portions 34 are connected at a predetermined interval. The connecting portion 34 is connected to the outer wall 32 of the belt 20 with a width substantially equal to the width of the belt 20, and the connecting portion 34 is connected to the inner wall 33 of the knob 21 and the width of the knob 21. It is about half, and the knobs 21 are connected so that the knobs 21 do not easily separate and can be easily cut by pulling the knobs 21. Further, a rib 35 is formed at the lower end of the connecting portion 34 on the connecting portion 34 and on the outer wall 32 of the belt 20 so as to protrude below the knob 21 and not to the outside of the inner wall 33 of the knob 21. There is. In FIG. 7, 3 is a synthetic resin ring. The other structure and usage of this embodiment are the same as those of the first embodiment, and detailed description thereof will be omitted. Since this embodiment has the above-described structure, even if another object (other than the can) comes into contact with the picking piece 21, the picking piece 21 is not likely to be peeled off or deformed.

[0017]

[Effect of the invention]

 According to this invention, the lower edge of the lower protruding portion of the metal top plate is wound and fixed to the edge of the inner skirt of the synthetic resin ring having the inner skirt and the outer skirt. It has the effect of being able to bond firmly. Further, since the outer skirt side is lowered to form the step portion at the connecting portion between the upper end of the outer skirt and the upper end of the inner skirt, the connecting portion can be strengthened by the step portion. Since there is an opening belt around the lower end of the lid, the lid cannot be removed unless the belt is removed, which has the effect of preventing unauthorized opening of the can. In addition, since the inner wall of the outer skirt is formed in a concave shape so as to be tightly fitted, there is an effect that it can be tightly fitted to the upper end portion of the can mouth portion. In addition, a cutout is provided in the width direction of the belt, the base end of the tab is connected to one side of the belt with the cutout sandwiched, and the tip of the tab is detachably attached to the other side of the belt. Therefore, it is effective in protecting the separation portion provided in the width direction of the belt.

[Brief description of the drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is a partially enlarged view of a part of the embodiment.

FIG. 3 is a perspective view in which an annular belt is attached to the entire circumference of the lower end of the synthetic resin ring of the embodiment.

FIG. 4 is a partial perspective view of the working example of the embodiment.

FIG. 5 is a partially laterally enlarged cross-sectional view of the tab of the embodiment.

FIG. 6 is a partially enlarged cross-sectional view of a knob piece mounting portion of another embodiment.

7 is a partially enlarged cross-sectional view taken along the line AA in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Can mouth part 2 Sealing lid 3 Synthetic resin ring 4 Inner skirt 5 Outer skirt 6 Inner wall 7 Upper end of can mouth 8 Recessed part 9 Connecting part 10 Step part 11 Metal top plate 12 Outer peripheral part 13 Annular protruding part 14 Inner side wall 16 Lower edge 17 Edge Part 18 Lid 19 Thin part 20 Annular belt 21 Picking piece 22 Curving part 23 Holding ring 24 Partition plate 25 Separation part 26 One side 28 Base end part 29 Other side 30 Tip part 31 Separation part 32 Outer wall 33 Inner wall 34 Connecting part 35 rib

Claims (4)

[Utility model registration claims] 1. A lid which is tightly fitted to a can mouth portion, wherein the lid is a synthetic resin ring having an annular inner skirt and an outer skirt, and the inner wall of the outer skirt can be tightly fitted to the upper end portion of the can mouth. Then, a downward annular protrusion that is continuous with the outer peripheral portion of the metal top plate is fitted and inserted into the inner side wall of the inner skirt, and the lower edge of the annular protrusion is wound and fixed so as to wrap around the edge of the inner skirt. A lid is formed, and an opening-use annular belt that can contact the body of the can is continuously provided around the lower end of the outer skirt through a cutout portion, and a tab is provided on the belt. A sealing lid that does. 2. A lid which is tightly fitted to a can mouth portion, wherein the lid is a synthetic resin ring having an annular inner skirt and an outer skirt, and the inner wall of the outer skirt can be tightly fitted to an upper end portion of the can mouth. In addition to forming a shape, a connecting portion having a step portion with a lower outer skirt side is provided at the upper end of the outer skirt and the upper end of the inner skirt. The annular projection is fitted and inserted, and at the lower edge of the annular projection, the winding is fixed so as to wrap around the edge of the inner skirt to form a lid, and the lower end of the outer skirt is surrounded by a cutout portion. A sealing lid, characterized in that a ring-shaped belt for opening that can come into contact with a body of a can is continuously provided, and a tab is provided on the belt. 3. A lid for fitting a can mouth portion tightly, wherein the lid is a synthetic resin ring having an annular inner skirt and an outer skirt and having a cross-section gate shape, and the inner wall of the outer skirt is tightly fitted to the upper end portion of the can mouth. Then, a downward annular protrusion that is continuous with the outer peripheral portion of the metal plate is fitted and inserted into the inner wall of the inner skirt, and the lower edge of the annular protrusion is wound and fixed so as to wrap around the edge of the inner skirt. And a lid, and an annular belt for opening that can be brought into contact with the body of the can is continuously provided through the cutout portion around the entire lower end of the outer skirt, and a cutout portion is provided in the widthwise direction of the annular belt. The base end of the knob is connected to one side of the belt by sandwiching the separating portion, the knob is overlapped on the other side of the belt by sandwiching the separating portion, and the tip of the knob is attached to the other side. A sealing lid that is detachably attached. 4. A lid for tightly fitting a can mouth portion, which is a synthetic resin ring having an annular inner skirt and an outer skirt and having a gate-shaped cross-section, wherein the inner wall of the outer skirt can be tightly fitted with the upper end portion of the can mouth. Then, a downward annular protrusion that is continuous with the outer peripheral portion of the metal plate is fitted and inserted into the inner wall of the inner skirt, and the lower edge of the annular protrusion is wound and fixed so as to wrap around the edge of the inner skirt. And a lid, and an annular belt for opening that can be brought into contact with the body of the can is continuously provided through the cutout portion around the entire lower end of the outer skirt, and a cutout portion is provided in the widthwise direction of the annular belt. The base end of the knob is connected to one side of the belt by sandwiching the separating part, the knob is overlapped on the other side of the belt by sandwiching the separating part, the outer wall on the other side and the knob The inner wall at the tip of the belt is detachably connected at multiple points in the width direction of the belt. Sealing lid to collect.