container

Abstract

To provide a container with a configuration of preventing appearance of an opening prevention member in an unused state.SOLUTION: A container has a container body 2, a cap 3 and an opening prevention member 5. In an unused state (a) of the opening prevention member 5 locked to a container neck part, a spouting port 23 sealed, and the cap 3 screwed to the container body 2 to cover a whole part of the opening prevention member 5, a locking structure of the opening prevention member 5 with the container body 2 has engagement force larger than force required for removing the cap.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present invention relates to an anti-tamper mechanism for a container. [Background technology]

[0002] There are containers equipped with a sealing membrane, etc. In general, the extraction port of such containers is opened by breaking the sealing membrane using a punch provided on the outer or inner surface of the lid. The applicant has proposed a container in which an anti-opening member is provided for such a container, and the container is used by opening the sealing film after removing the anti-opening member. These anti-opening members are visible from the outside, and the container has a structure in which the used or unused state can be seen at a glance. For example, Patent Document 1 (JP 2014-189325 A) discloses a tube container which has a tube container body, a cap, and a spacer between the tube body and the cap; when the cap is removed, the spacer is removed, and the cap is refitted, a protrusion on the top surface of the cap pierces the sealing film of the container body, thereby opening the tube container. Patent Document 2 (JP 2018-188169 A) discloses a tube container comprising four components: a container body, a cap, an inner stopper, and an anti-opening member, in which the cap housing an inner stopper with a ring-shaped blade on its inner surface as an opening means is attached via the anti-opening member to the neck of the container body which has a sealing membrane at the upper end of its mouth, and the tube container is equipped with a ring-shaped blade lowering mechanism in which the amount of opening operation performed excluding the anti-opening member is determined by the rotational descent of the cap and the synchronous rotational descent of the inner stopper which has the opening means on its inner surface.

[0003] Patent Document 3 (JP 2006-193202 A) discloses a bottle container comprising a container body with a cylindrical neck that is open at the top and a step formed on the shoulder of the container body, a shoulder part that is screwed onto the outer circumferential surface of the neck and has a cylinder on its upper surface with a spout at its tip, a cap that is screwed onto the outer circumferential surface of the cylinder and has a means for opening the spout, and an anti-opening member interposed between the shoulder part and the cap, wherein a protruding anti-reverse member is formed on the underside of the shoulder part and this anti-reverse member comes into contact with the step on the container shoulder in a direction that prevents reversal to form the anti-reverse means. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2014-189325 A [Patent Document 2] JP 2018-188169 A [Patent Document 3] JP 2006-193202 A Summary of the Invention [Problem to be solved by the invention]

[0005] The present invention provides a container having a structure in which an anti-tamper element is not visible when the container is unused. [Means for solving the problem]

[0006] The present invention has developed a tube container in which an anti-opening member is arranged that is not synchronized with the opening operation of the cap and is removed when use begins, thereby preventing the anti-opening member from being exposed to the outside when the container is unused.

[0007] The main configuration of the present invention is as follows. 1. A container comprising three components: a container body, a cap, and an anti-opening member, In an unused state in which the unsealing prevention member is engaged with the neck of the container, the extraction opening is sealed, and the cap is screwed onto the container body so as to cover the entire unsealing prevention member, A container characterized in that the locking structure between the unsealing prevention member and the container body is structured to exert an engagement force greater than the force required to remove the cap. 2. A container as described in 1., equipped with an opening mechanism that can be opened by removing the cap, removing the opening prevention member, and then replacing the cap. 3. A container according to 1 or 2, characterized in that in an unused state, the unsealing prevention member is engaged with the neck of the container when the cap is removed. 4. The container body has a discharge port, a male screw, a neck having a lower part of the male screw, a shoulder, and a body, and a neck recess is provided at the base of the neck, The unsealing prevention member has a ring-shaped main body that covers a shoulder portion of the container body from a lower side of the neck portion of the container body, The ring-shaped body has an inner surface with a ring protrusion RA, and an upper edge of the ring-shaped body has a ring notch. The cap has a female screw and a cap protrusion below the female screw, and has a lower edge that is lower than a lower end of the attached anti-opening member, In a state where an unsealing prevention member is attached to the neck of the container and a cap is screwed on to cover the entire unsealing prevention member, A tube container characterized in that the ring protrusion RA engages with the neck recess with a locking force F1, and the ring notch engages with the cap protrusion with an engagement force F2, and the engagement relationship between the two is set so that the engagement force F1 is greater than the engagement force F2, thereby preventing the unsealing prevention member from rotating when the cap is removed. Effect of the Invention

[0008] 1. The present invention has developed a container that has an anti-opening element that is not synchronized with the action of removing the cap, and that is removed when the container is first used, so that the anti-opening element is not exposed to the outside when the container is unused. This container is applicable to tube containers, etc. 2. In the present invention, when the cap is first removed, the anti-opening member remains on the container body, so the user can recognize the need to remove the anti-opening member and does not get confused during the opening operation. If the anti-opening member remains inside the cap, the user will not notice it and will have to take time to remove it, which will cause inconvenience. 3. By realizing an engagement structure in which the engagement force between the anti-opening member and the container body is greater than the engagement force between the cap and the anti-opening member, even when the cap is removed, the anti-opening member will not rotate with the cap but will remain in the neck of the container.Therefore, by noticing and removing the anti-opening member and reattaching the cap, the sealed discharge outlet can be opened. 4. Because the anti-tamper device is hidden inside the outer cap, the appearance is the same before and after opening, and the aesthetic impression does not change. In other words, consumers can continue to use the product with the same aesthetic impression they had when they purchased it. 5. In conventional technology, the design was based on the premise that the ring would be visible from the outside, which limited the design variations. However, by hiding the anti-tamper element inside the outer cap, the design variations are expanded. [Brief description of the drawings]

[0009] [Figure 1] 1A and 1B are diagrams showing the overall configuration of a tube container according to a first embodiment of the present invention; FIG. 1A shows the tube container; FIG. [Diagram 2] A diagram showing the process from an unused state to a used state: (a) when unused, (b) removing the cap for the first time, (c) removing the ring, and (d) opening operation. [Diagram 3] A diagram showing the main components: (a) the neck of the container body, (b) the inside of the ring, (c) the outer surface of the ring, (d) the cutout portion of the ring, and (e) the inside of the cap. [Figure 4] 1A and 1B are diagrams showing an example of a modification, in which (a) is a neck portion of the container body, (b) is a plan view of the container body, (c) is an outer surface of the ring, and (d) is a bottom view of the ring. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] The present invention has developed a container whose appearance does not change whether it is unused or used by hiding the unsealing prevention member inside the cap. In addition, the unsealing prevention member remains on the container body when the cap is removed, so that the user can easily notice that the unsealing prevention member must be removed before starting use. When the cap is removed from an unused state, a structure is adopted in which the unsealing prevention member is engaged with the container body so that the unsealing prevention member does not rotate with the rotation of the cap. The structure is such that, in the operation of loosening the cap, the engagement force F1 between the unsealing prevention member and the container body is greater than the engagement force F2 between the cap and the opening prevention member. The container can preferably be a tube container.

[0011] An example of the container of the present invention will be described with reference to the drawings of a tube container. The illustrated example is a type in which a discharge port sealed with a sealing film is provided at the tip of the tube container, and use begins when the sealing film is broken to open the container. The overall structure of this tube container is shown in Figure 1. (a) shows the overall appearance, and (b) shows the main components. The external appearance of the tube container 1 is such that the cap 3 is attached to the tip of the tube body 2, and the anti-opening member is not visible. In (b), the tube body 2, the anti-opening member (sometimes called a "ring") 5, and the cap 3 are the main components of this container. Note that the tip of the cap 3 of this tube container 1 is flat, and although the container is intended to be displayed with the cap 3 facing down, for convenience, in this specification the upward direction will be treated as the cap side. The tube body 2 has a body 22, a neck 21 with a male thread 24, a discharge port 23 provided at the tip of the neck, and a shoulder 25 which is the connection between the neck and the body. A sealing film 23a is formed on the discharge port 23, indicating that it is in an unused state. The unsealing prevention member 5 is ring-shaped and attached to the lower side of the neck portion 21 so that its lower edge is located above the lower edge of the cap 3. The cap 3 is formed in a size sufficient to cover the shoulder portion 25 of the tube body 2, and is also large enough to cover the entire unsealing prevention member 5. A screw cap 6 is provided on the inside of the cap 3, and a female screw 62 that screws into the male screw 24 of the tube body 2 is formed on the inside. In this tube container 1, the unsealing prevention member 5 is hidden inside the cap 3 and cannot be seen, so that it is impossible to distinguish from a used state or an unused state just by looking at it.

[0012] FIG. 2 shows the movement of the tube container 1 from an unused state to a used state, showing (a) when unused, (b) removing the cap for the first time, (c) removing the ring, and (d) the opening operation. 1(a) shows a cross section of the head of an unused tube container 1. An anti-opening member 5 is attached from the underside of the neck 21 of the tube body 2 to the shoulder, and a cap 3 with a screw cap 6 on the inside is screwed onto the neck 21. The screw cap 6 is attached on the inside of the cap 3, and has a needle 64 on the ceiling of the screw cap 6, a female screw 62 in the middle, a space covering the anti-opening member 5 at the bottom, and a lower edge located below the shoulder 25 of the tube body 2 and above the trunk 22. Because of the anti-opening member 5, the cap 3 cannot rotate, and the needle 64 cannot go any lower and cannot break through the sealing film 23a. 1(b) shows an unused state in which the cap 3 has been removed from the tube body 2. When the cap 3 is removed, the unsealing prevention member 5 is attached to the tube body 2 side. The locking force between the anti-opening member 5 and the tube body 2 is set to be greater than the locking force between the cap 3 and the anti-opening member 5, so that the anti-opening member 5 can remain on the container body 2 after the cap 3 is removed. The screw cap 6 and the neck 21 of the container are screwed together, and the locking force between the anti-opening member 5 and the tube body 2 is set to be greater than the rotation force when the cap 3 is loosened. The locking force can be adjusted by various means, such as by changing the size of the engagement step or the diameter.

[0013] (c) shows the state in which the unsealing prevention member 5 has been removed from the tube body 2. When using the tube, the unsealing prevention member 5 is removed from the state in (b) and the cap 3 is reattached. (d) shows the state in which the cap 3 has been reattached to the tube body 2. The screw cap 6 provided inside the cap 3 can move downward along the male thread of the neck 21, using the space created by removing the unsealing prevention member, and the needle 64 enters the discharge port 23, pierces the sealing film 23a, and opens the discharge port 23. After this, the content can be taken out and used by removing the cap 3.

[0014] FIG. 3 shows the internal structure of the neck of the tube body 2, the unsealing prevention member 5, and the cap 3. 1A shows the neck structure of the tube body 2, (b) to (d) show the structure of the unsealing prevention member 5, and (e) shows the inside of the cap 3. FIG. The neck 21 of the tube container is the upper part of the tube body 2, and has a trunk 22, a shoulder 25, a flat male screw lower part 29, a male screw 24, a discharge port 23, and a sealing film 23a. A neck protrusion TA27 is provided at the lower end of the neck 21 that contacts the shoulder 25. The neck protrusion TA27 can be provided in one or several places. In this example, a large neck protrusion 27a and a small neck protrusion 27b are provided, and a neck recess 26 is formed between the protrusions. The large neck protrusion 27a is provided in the screwing progression direction. A cap protrusion CA63 that fits into and engages with the notch 51 is formed inside the cap 3.

[0015] The unsealing prevention member 5 has a ring-shaped main body 50, the inside of which contacts the lower side of the neck 21 from the shoulder portion 25, and is provided with a ring inner protrusion RA53 that engages with the neck recess 26. The unsealing prevention member 5 is restricted in the front and rear by a large neck protrusion 27a and a small neck protrusion 27b provided in two places on either side of the ring inner protrusion RA53, is allowed to move up and down, and can be removed by sliding it up and down. A notch 51 is provided on the upper edge of the unsealing prevention member 5. The notch 51 has a step portion with different heights, a high step 55a which is a high step and a low step 55b which is a low step. The cap protrusion CA63 on the cap side fits into the notch 51, with the high step 55a abutting in the direction in which the cap 3 is tightened and the low step 55b abutting in the direction in which the cap 3 is loosened.

[0016] When the cap 3 is screwed onto the neck 21 with the unsealing prevention member 5 placed on the neck 21, the cap inner protrusion CA63 can be pushed by abutting against the high step 55a, and when the cap 3 is removed, the cap inner protrusion CA63 overcomes the low step 55b and comes off. Meanwhile, the unsealing prevention member 5 is strongly engaged with the container, so it remains on the container side. As shown in FIG. 2(b), the unsealing prevention member 5 can be attached to the container neck 21.

[0017] In this example, the set of neck projection TA and neck recess is also provided on the opposite side. The ring inner projection RA53 formed on the inner surface of the unsealing prevention member 5 fits into the neck recess 26, restricting rotation and allowing vertical movement. When the cap 3 is screwed onto the tip of the tube container filled with the contents, the ring inner projection RA53 of the unsealing prevention member 5 passes over the neck small projection 27b and abuts against the neck large projection 27a, stopping the rotation of the ring. The cap projection CA63 fits into the notch 51 on the upper edge of the ring, and abuts against the high step 55a as the ring stops rotating, stopping. In this state, the connection between the container body, the unsealing prevention member, and the cap is stable and unused.

[0018] When the assembled tube container is not in use, the ring is fixed to the container neck so that it cannot rotate, the ring and cap can move up and down but cannot rotate due to the locking structure of the notch 51 on the upper edge of the ring and the cap protrusion CA63 on the inside of the cap, and the container body and cap are screwed together with the ring in between so that they cannot move up and down, and the container body, ring, and cap are fixed together by a combination of these three states. Without the locking structure of the notch 51 on the upper edge of the ring and the cap protrusion CA63 on the inside of the cap, the ring and cap would rotate relative to each other, so the engagement between the container body and cap would easily be released, and there would be a risk of the container body, ring, and cap coming apart. The ring neck side protrusion RB52 and the ring body side protrusion RC54 formed on the inside of the ring-shaped body 50 are pressed against the lower male thread portion 29 and the lower shoulder portion of the container body, respectively, in an unused state, providing initial resistance when the cap is opened, helping to stabilize the ring.

[0019] In addition, when the front and rear of the cap 3 and the anti-opening member 5 are designed differently, as shown in FIG. 4, the two large neck projections 77a are made different sizes (see b), and two sets of cap inner projections 73a and 73b, and 73a' and 73b' with different intervals are provided to sandwich the large neck projections 77a and 77a' (see c), thereby limiting the positional relationship between the container body 2 and the anti-opening member 5 to one direction when the anti-opening member 5 is placed on the neck 21. This makes it possible to align the front of the cap 3 and the anti-opening member 5 with the front of the container body 2 after assembly. (In this case, the assembly method is to screw the cap 3 onto the neck 21 with the anti-opening member 5 placed on the neck 21.)

[0020] The opening mechanism and its operation will be described. In the unused state of Fig. 2(a), the inner projection 53 of the unsealing prevention member 5 engages with the recess 26 of the neck portion, preventing rotation. In this state, when the cap 3 is turned in the tightening direction, the cap projection CA63 comes into contact with the high step 55a of the notch 51, resulting in a locked state. When the cap 3 is turned in the removal direction, the cap projection CA63 comes into contact with the low step 55b, but can overcome this, allowing the cap 3 to be removed from the tube body 2 with the unsealing prevention member 5 attached to the tube body 2 side (see Fig. 2(b)). At this time, the ring inner projection RA53 is blocked by the neck small projection 27b, preventing the unsealing prevention member 5 from rotating with it. Then, as shown in Fig. 2(c), the unsealing prevention member 5 is removed from the neck 21 of the tube container 2, and the cap 3 is replaced as shown in Fig. 2(d), causing the needle 64 attached to the inside of the cap 3 to pierce the sealing film 23a. When the cap is removed again, the contents can be extracted from the opened discharge port.

[0021] Furthermore, because the neck protrusions TA27 (27a, 27b) are low, the engagement between the ring inner protrusion RA53 and the neck protrusions TA27 (27a, 27b) may be released by the shock of the ring and the container body moving up and down. The resistance of the ring neck side protrusion RB52 contacting the male thread lower part 29 and the resistance of the ring body side protrusion RC54 contacting the body 22 below the shoulder part 25 prevent the ring and the container body from moving up and down when the cap is removed for the first time, and by preventing the engagement between the ring inner protrusion RA53 and the neck recess 26 from being released, it is possible to prevent the anti-opening member and the cap from rotating together.

[0022] The present invention is configured such that the unsealing prevention member 5 is attached to the tube container 2 so as to be hidden inside the cap 3, and when the cap 3 is removed, the unsealing prevention member 5 remains on the tube container 2 side. With this configuration, it becomes possible to realize that the unsealing prevention member 5 must be removed in order to open the discharge port. If the unsealing prevention member 5 is removed while still attached to the inside of the cap when the cap 3 is opened, it will be difficult to notice the unsealing prevention member 5, and even if the cap is reattached, no hole will be made in the sealing film. [Explanation of symbols]

[0023] 1 Container (tube container) 11...Opening mechanism 2. Tube body 21... Neck 22 Torso 23...Discharge port 23a・Sealing film 24 Male thread 25...Shoulder 26 Neck recess 27...Neck protrusion TA 28...Engagement protrusion 29 Male thread lower part 3. Cap 4···Outer cap 5. Anti-tampering material (ring) 50··Ring-shaped body 51 Notch 52...Ring neck side protrusion RB 53··Ring inner protrusion RA 54··Ring body side protrusion RC 55a High Step 55b・Low step 6···Screw cap 62 Female thread 63 Cap protrusion CA 64...needle

Claims

1. A container comprising three members: a container body, a cap, and an anti-opening member, In an unused state, the ring-shaped unsealing prevention member is engaged with the neck of the container while being allowed to move up and down, the extraction opening is sealed, and a cap is screwed onto the container body so as to cover the entire unsealing prevention member. A container characterized in that the locking structure between the unsealing prevention member and the container body is structured to exert an engagement force greater than the force required to remove the cap.

2. 2. The container according to claim 1, further comprising an unsealing mechanism which is opened by removing the cap, removing the unsealing prevention member, and then replacing the cap.

3. 3. The container according to claim 1, wherein, in an unused state, the unsealing prevention member is engaged with the neck of the container when the cap is removed.

4. The container body includes a neck having a discharge port, a male screw, a lower portion of the male screw, a shoulder, and a body, and a neck recess is provided at the base of the neck. The unsealing prevention member has a ring-shaped main body that covers a shoulder portion of the container body from a lower side of the neck portion of the container body, The inner surface of the ring-shaped body has a ring inner protrusion, and the upper edge of the ring-shaped body has a ring notch. The cap has a female screw and a cap protrusion below the female screw, and has a lower edge that is lower than a lower end of the attached anti-opening member, In a state where an unsealing prevention member is attached to the neck of the container and a cap is screwed on to cover the entire unsealing prevention member, This tube container is characterized in that the ring inner protrusion engages with the neck recess with a locking force F1, the ring notch engages with the cap protrusion with an engagement force F2, and the engagement relationship between the two is set so that the engagement force F1 is greater than the engagement force F2, thereby preventing the unsealing prevention member from rotating when the cap is removed.

Images