JP2580618Y2 - Tamper proof container - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container for preventing unauthorized opening of a container and making it easy to cover after opening.

[0002]

2. Description of the Related Art Conventionally, as containers for preventing unauthorized opening when not in use, there are containers described in JP-A-52-110175 and JP-B-56-13242.

First, as disclosed in Japanese Patent Application Laid-Open No. Sho 52-110175, as shown in FIGS. 8 and 9, an upper step portion 40 is provided at an upper portion of a mouth portion 2 of a container 1 and a lower portion thereof is provided at a lower portion thereof. Lower containers 41 are provided to form the container.

The lid 22 fitted to the mouth 2 is provided with a lid step 23 which is engaged with the upper step 40 above the outer cylinder 47, and the lower end of the outer cylinder 47 is provided with the lower flange. 41 so as not to protrude outside from the outer peripheral edge.

A cutting line 2 extending horizontally over the entire circumference of the outer cylinder 47 is provided below the lid step 23 of the outer cylinder 47.
5 and the cut line 2 from the lower end of the outer cylinder 47.
A vertical separation line 32 reaching 5 is provided. A knob 35 adjacent to the separation line 32 is formed at a lower portion of the outer cylinder 47. Thus, the container and the closing body are configured.

[0006] Second, as disclosed in Japanese Utility Model Publication No. 56-13242, as shown in FIGS. 10 and 11, an upper step portion 40 is provided above the mouth portion 2 of the container 1 and the mouth portion is provided. 2
A lower step 44 is provided at the lower part of the container to form a container.

The lid 22 fitted to the mouth 2 is attached as follows. That is, the lid step portion 23 that engages with the upper step portion 40 is provided on the upper portion of the outer cylinder 47,
A lower end locking portion 48 at the lower end of the outer cylinder 47 is formed so as to be in close contact with the lower step portion 44 and locked.

On the other hand, below the lid step 23 of the outer cylinder 47, a cut line 25 extending in the horizontal direction is provided.
5 is a bottle stopper in which a pair of separation lines 32 are provided from both ends to the lower end of the outer cylinder 47, and a knob 35 is provided between the pair of separation lines 32.

[0009]

The container and the closure shown in FIGS. 8 and 9 have the lower end of the outer cylinder 47 which does not protrude outside the outer peripheral edge of the lower flange 41 of the mouth portion 2. 47, without breaking the separating line 32 or the cutting line 25
Cannot be broken open.

When the cover is opened, the separating line 32 and the cutting line 25 are broken by pulling the knob 35, so that the cover can be easily opened. However, in the closing body, since the knob 35 projects outside the outer cylinder 47, the knob 35 hits another object when the cover is closed or before or after the cover is transferred. There is a possibility that the separation line 32 and the cut line 25 may be broken.

In the conventional bottle stopper shown in FIGS. 10 and 11, the lower end locking portion 48 at the lower end of the outer cylinder 47 including the knob 35 is provided with the lower step portion 44 of the mouth 2 of the container 1. , The lid 22 cannot be pry open without breaking the separation line 32 or the cut line 25.

When the cover is opened, by pulling the knob 35, the separating line 32 and the cutting line 25 are broken and the cover is opened. However, in the bottle stopper, since the knob 35 is in close contact with the lower step 44, it is difficult to pinch it, and there is a problem that the operation of breaking the separation line 32 is relatively troublesome.

The present invention has been made in view of the above-mentioned problems, and has been developed for a tamper-evident container which cannot be opened without breaking a separation line or a perforated line. It is a technical object of the present invention to prevent a line or the like from being broken and to easily open the lid with a simple operation when the lid is opened.

[0014]

The present invention has the following configuration to achieve the above object. That is,
A flange-like portion 4 is provided on the upper edge of the mouth portion 2 of the synthetic resin container 1, a peripheral wall 12 is hung on the outer periphery of the flange-like portion 4, and a peripheral wall step 13 is formed outside the peripheral wall 12, An outward flange 14 is protruded from the lower end of the peripheral wall 12, a notch 15 is provided in the peripheral wall 12 and the flange 14, and a lid flange-like portion is provided on a synthetic resin lid 22 fitted on the container 1. 24 is protruded, and on the lower surface of the lid flange-shaped portion 24,
A cylindrical plug 23 detachably fitted to the mouth 2 of the container 1
A perforation line 25 is provided on the entire periphery of the lid flange 24 outside the cylindrical plug 23, and an outer peripheral wall 30 reaching near the upper surface of the flange 14 of the container 1 is provided on the outer periphery of the lid flange 24. Is suspended on the outer peripheral wall 30.
3 is formed on the outer peripheral wall step 31 to be locked to the notch 1
5 and the outer peripheral wall 30 of the lid 22
In addition, a separating line 32 reaching the cut line 25 from the lower end is provided, and a knob 35 is formed on the outer peripheral wall 30 of the lid 22 outside the notch 15 and the lid flange-shaped portion 24 to obtain a tamper-proof container.

A recess 17 may be provided in the flange 4 and a part of the peripheral wall 12 of the container 1.

[0016]

According to the present invention, when the lid 22 is put on the container 1 and the lid flange-like portion 24 is pushed to push down the lid 22, the cylindrical stopper 23 of the lid 22 is closely fitted to the mouth portion 2 of the container 1, and An outer peripheral wall step portion 31 provided on an outer peripheral wall 30 of the lid 22 is fitted and fixed to a peripheral wall step portion 13 provided on the peripheral wall 12.

Then, at the lower end of the outer peripheral wall 30 of the lid 22,
Since the flange 14 of the peripheral wall 12 is in close contact, the outer peripheral wall 3
You can't break a zero. And the flange 14
Attempting to pry the outer peripheral wall 30 at the position of the notch 15 where there is no gap, the separation line 32 is broken, so that the lid 22 cannot be pry open without leaving any scar.

When the lid 22 is opened, a fingertip or the like is hooked on the back side of the knob 35 and the knob 35 is pulled, so that the separation line 32 can be easily broken. Then, the knob 35 is continuously pulled to break the perforated line 25, and the outer peripheral wall 30 and the lid flange 24 are removed from the lid 22.

Then, the fitting portion between the container 1 and the lid 22 is only the cylindrical plug 23 connected to the lid 22 fitted to the mouth 2 of the container 1. Thereafter, the cylindrical stopper 23 of the lid 22 is fitted to and removed from the mouth 2 of the container 1 to open and close the lid 22.

In this case, the lid 22 is placed above the mouth 2 of the container 1.
Is not provided, the height of the container 1 can be reduced. Further, since no step is formed on the side wall of the container 1 and the lid 22, the lid 22 can be easily opened and closed.

Further, the knob 35 of the lid 22 is
Since it does not protrude from the other part of 0, there is no danger that the separation line 32 will be broken due to collision with another object during transportation or covering. Further, when the concave portion 17 is provided, after removing the lid flange-shaped portion 24 and the outer peripheral wall 30 from the lid 22, when the tubular plug 23 is pulled out from the mouth portion 2 and the lid 22 is opened, the hand holding the container 1 is opened. By pressing the concave portion 17 with a finger, the container 1 can be firmly grasped, and the lid 22 can be easily opened.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 7 are views for explaining one embodiment of the present invention.

The container 1 of this embodiment is made of polypropylene,
It can be made of thermoplastic synthetic resin such as polyethylene, polystyrene, polyethylene terephthalate, polyvinyl chloride, polyacryl / nitrile butadiene / styrene, polyacryl / nitrile / styrene, and the whole is rectangular and the corners are formed in an arc shape Things. This is butter,
It is shown as an example of a food container for containing margarine or the like.

An annular inner step 3 is provided below the inside of the mouth 2 of the container 1. After the contents are accommodated in the container 1, an aluminum foil is placed on the upper surface of the inner step 3. It is formed so that sheets and the like can be bonded.

A flange-shaped portion 4 is provided outside the upper edge of the mouth portion 2, and an upper edge of a short side of the flange-shaped portion 4 is
A recess 7 for placing a handle such as a butter knife is provided. A peripheral wall 12 is provided so as to hang down on an outer peripheral portion of the flange-like portion 4, and a peripheral wall step 13 extending in a longitudinal direction is provided outside the peripheral wall 12, and the peripheral wall step 13 has an upper surface formed as an inclined surface. In addition, the lower surface is formed as a so-called undercut projection formed as a horizontal cut surface.

An outward flange 14 is provided at the lower end edge of the peripheral wall 12, and the width of the flange 14 is formed to be substantially the same as the thickness of the outer peripheral wall 30 of the lid 22 described later. In addition, as shown in FIGS. 2 and 3, a notch 15 is provided at one short side of the peripheral wall 12 and at the center of the flange 14 which is connected to the lower end of the peripheral wall 12 at the one short side. is there. As shown in FIG. 2, a pair of concave portions 17 are provided in the flange-like portion 4 on both long sides of the peripheral wall 12 and a part of the central portion of the peripheral wall 12. The recess 17 is formed on an inclined surface whose lower part is located outside the upper part.

On the other hand, the lid 22 fitted to the container 1
It is made of a thermoplastic resin such as polypropylene, polyethylene, polyvinyl chloride, ethylene-vinyl-acetate and the like, which is relatively flexible, and has a rectangular shape that matches the container 1 and has arc-shaped corners.

A lid flange portion 24 is provided outside the lower portion of the lid 22. A rectangular corner portion detachably fitted to the mouth portion 2 of the container 1 is provided on the lower surface of the lid flange portion 24. Is provided in the shape of an arc.

A perforated line 25 is provided on the entire periphery of the lid flange-shaped portion 24 outside the portion where the cylindrical plug 23 is provided.
The cutout line 25 is formed by forming a mountain-shaped notch on the lower surface of the lid flange-shaped portion 24 to form a thin portion that can be torn.

The outer peripheral wall of the outer peripheral wall of the lid flange-shaped portion 24 reaches near the upper surface of the flange 14 of the container 1.
The thickness of the outer peripheral wall 30 is substantially the same as the width of the flange 14 of the container 1 or the width of the flange 14 is made wider.

The outer peripheral wall 30 is provided with an outer peripheral wall step 31 which is engaged with the peripheral wall step 13 of the container 1. The outer peripheral wall step 31 is provided on the peripheral wall 12 of the container 1. It is formed as an undercut concave portion that matches the peripheral wall step 13 formed as an undercut convex portion.

A cut line 32 extending from the lower end to the cut line 25 is formed in the notch 15 of the container 1, the lid flange 24 located outside and the outer peripheral wall 30.
5 is provided along one edge, and the notch 15
Is provided along the other edge from the lower end of the outer peripheral wall 30 to a position slightly below the cut-off line 25, and the cut-off line 32 and the partial cut-off line 33 are made of a thin wall that can be torn. It is formed as a part.

The lid 22 outside the notch 15
Is a knob 35, which is connected to the outer peripheral wall 30 by a connecting portion 34 formed between the upper end of the parting line 33 and the cutting line 25.

As shown in FIG. 6, the container 1 of this embodiment is formed by stacking a large number of containers 1 by fitting them together.
The upper container 1 is placed on the upper surface of the flange-shaped portion 4 of the lower container 1.
Is formed so that the inner step 3 can be placed thereon.

As shown in FIG. 7, the lid 22 is provided on the outside of the lower lid 22 with the cylindrical plug 23 of the upper lid 22 as shown in FIG.
The cylindrical plug 23 is formed so as to rest on the lid flange-shaped portion 24 in a state where the cylindrical plug 23 does not fit tightly.

The tamper-evident container of the above embodiment is a container 1
The container 1 is sealed by adhering an aluminum foil sheet or the like to the upper surface of the inner step 3. Then, the lid 22 is put on the container 1 and the lid flange-shaped portion 24 is pushed down, so that the lid 2
The outer peripheral wall 30 of the lid 22 slides down the surface of the peripheral wall 12, and the outer peripheral step 31 of the lid 22 engages with the peripheral wall step 13 of the container 1. After stopping, the lid 22 is fitted to the container 1.

The surface on which the peripheral wall step 13 and the outer peripheral wall step 31 are engaged is formed as a step extending in the water surface direction, so that it is firmly engaged. At the lower end of the outer peripheral wall 30 of the lid 22, there is a flange 14 of the peripheral wall 12, and the width of the flange 14 is substantially the same as the thickness of the outer peripheral wall 30. It does not protrude and cannot be opened by inserting an object inside the outer peripheral wall 30.

The notch 15 without the flange 14
At this position, if the outer peripheral wall 30 is to be pryed open, the separating line 32 and the parting line 33 will be broken, and the lid 22 will be pryed open leaving a scar, so that unauthorized opening will be performed.

To open the lid 22, a fingertip is hooked on the back side of the knob 35 shown in FIGS. 1 and 3, and the knob 35 is pinched and pulled to break the separation line 32, the partial separation line 33 and the cutting line 25. Further, by pulling the knob 35, the outer peripheral portion 30 connected to the knob 35 by the connecting portion 34 is pulled to break the continuous cutout line 25, and the outer peripheral wall 30 and the lid flange-shaped portion 24 are removed.

Then, the fitting portion between the container 1 and the lid 22 is
As shown in FIG. 5, only the cylindrical stopper 23 connected to the mouth 2 and the lid 22 of the container 1 is provided. Thereafter, the lid 22 is opened and closed by fitting and removing the mouth 2 and the cylindrical stopper 23.

Then, a lid 22 is placed above the mouth 2 of the container 1.
Is not provided, the height of the container 1 can be reduced. Further, when the lid 22 is opened by removing the cylindrical plug 23 of the lid 22 from the mouth part 2 of the container 1, the container 1 is firmly gripped by pressing the concave portion 17 of the container 1 with the finger of the hand gripping the container 1. Then, the lid 22 can be easily opened.

Since the knob 35 of the lid 22 does not protrude, there is no danger that the separating line 32 or the partially separating line 33 may be broken during transportation or during covering with another object. The parting line 33 of the knob 35 may be omitted.

Further, the concave portion 17 of the container 1 can be provided at only one place. And this container 1 has a round shape,
It can be formed based on a square or an ellipse, or formed by deforming them.

The cutouts 32, 33 and the knob 35 of the cutout 15 of the container 1 and the outer peripheral wall 30 of the lid 22 may be provided at two or more places as necessary.

[0045]

As described above, according to the present invention, the flange 14 is provided at the lower end of the peripheral wall 12 of the container 1 and the peripheral wall 1 is provided.
2 and the flange 14 are provided with a notch 15,
On the lower surface of the lid flange-like portion 24, a cylindrical plug 23 closely fitted to the mouth portion 2 is provided, and an outer peripheral wall 30 reaching near the flange 14 is provided, and the lid flange-like portion outside the notch 15 is provided. A separating line 32 is provided on the outer wall 24 and the outer peripheral wall 30 to reach the cutting line 25 from the lower end, and a knob 35 is formed outside the notch 15.

Therefore, the outer peripheral wall 30 of the lid 22 can be prevented from being opened by the flange 14. Since the knob 35 does not protrude from the outer peripheral wall 30, there is no possibility that the knob 35 collides with another object during transportation or covering, and the separation line 32 is broken.

When the cover 22 is opened, the knob 35
By hooking a fingertip or the like on the back side of the device, and pulling the knob 35, the separating line 32 is broken, and then the knob 35 is pulled to break the cutting line 25, and the outer peripheral wall 30 and the lid flange-shaped portion 24 are removed. Can be opened.

Since no portion for fitting the lid 22 is provided above the mouth portion 2 of the container 1, the height of the container 1 can be reduced. Further, if the concave portion 17 is provided, after removing the lid flange-shaped portion 24 and the outer peripheral wall 30 from the lid 22, the tubular plug 23 is pulled out from the mouth portion 2 to open the lid 22. By pressing the concave portion 17 of the container 1, the container 1 can be firmly grasped, and the lid 22 can be easily opened.

[Brief description of the drawings]

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

FIG. 2 is a perspective view of the container according to the embodiment of the present invention.

FIG. 3 is a cross-sectional view of a main part provided with a cutout part according to an embodiment of the present invention;

FIG. 4 is a sectional view of a part of the embodiment of the present invention, which is on the opposite side to the main part shown in FIG. 3;

FIG. 5 is a cross-sectional view taken along the line AA of FIG. 2 of the embodiment of the present invention, from which the outer peripheral wall and the like are removed;

FIG. 6 is a partial cross-sectional view of the embodiment of the present invention in which containers are stacked;

FIG. 7 is a partial cross-sectional view of the embodiment of the present invention with the lid overlaid;

FIG. 8 is a longitudinal sectional view of a main part of a conventional example.

FIG. 9 is a cross-sectional view of a main part of a conventional example.

FIG. 10 is a front view of another conventional example.

FIG. 11 is a longitudinal sectional view of a main part of another conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container 2 Mouth part 4 Flange part 12 Peripheral wall 13 Peripheral wall step part 14 Flange 15 Notch part 22 Lid 23 Cylindrical plug 24 Lid flange part 25 Cutout line 30 Outer wall 31 Outer wall step 32 Cut off line 35 Knob

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Masanori Hirata 4-51-1, Kashiwacho, Tachikawa-shi, Tokyo 13-302 Kashiwacho housing complex (58) Field surveyed (Int. Cl. ⁶ , DB name) B65D 39 / 00-55/16

Claims (2)

(57) [Scope of request for utility model registration] 1. A flange-shaped part (4) is provided on the upper edge of a mouth part (2) of a synthetic resin container (1), and a peripheral wall (12) is hung on the outer periphery of the flange-shaped part (4). 13
Forming an outwardly facing flange 14 at the lower end of the peripheral wall 12.
A notch 15 is provided in the peripheral wall 12 and the flange 14, and a lid 2 made of a synthetic resin to be fitted to the container 1.
2 is provided with a lid flange-like portion 24 projecting therefrom, and a lower surface of the lid flange-like portion 24 is provided with a cylindrical plug 23 which is detachably fitted to the mouth 2 of the container 1 so as to be tightly attached thereto. A perforated line 25 is provided on the entire periphery of the outer lid flange-shaped portion 24, and an outer peripheral wall 30 reaching near the upper surface of the flange 14 of the container 1 is hung down on the outer peripheral portion of the lid flange-shaped portion 24. Forming an outer peripheral wall step portion 31 to be locked to the peripheral wall step portion 13;
Lid flange 24 and lid 22 outside of notch 15
A tamper-evident container having a separation line 32 extending from the lower end to the cut line 25 on the outer peripheral wall 30 and a knob 35 formed on the outer peripheral wall 30 of the lid 22 and the lid flange-shaped portion 24 outside the notch 15. . 2. The tamper-evident container according to claim 1, wherein a concave portion 17 is provided in a part of the flange-shaped portion 4 and the peripheral wall 12 of the container 1.