Container cap for accommodating heterogeneous material

Abstract

Proposed is a bottle cap for accommodating a heterogeneous material. When an outer cap having the outer shape of a general bottle cap is rotated and opened, an internal accommodating unit vertically rises without rotating. In addition, a sealing material, such as an aluminum lid seal, at a lower end of the accommodating unit is bonded in a peelable manner to secure barrier properties during storage and to enable easy opening by detaching the bonded surface when opening.

Description

Container stopper for accommodating foreign substances

[0001] The present invention relates to a sealing and opening method of a sealing part (8) in a cap in which, when a screw-type outer cap (1) of a foreign substance receiving device in the form of a container stopper is rotated to open, the operating part (5) which forms a foreign substance receiving space (9) in the inner center of the outer cap does not rotate but rises vertically and the sealing part (8) at the bottom is opened, and the sealing force is improved by bonding or fusing the sealing part in the sealing method, and at the same time, the structure for perforating the sealing part (8) is configured so as not to reduce the sealing force of the entire container.

[0002] Republic of Korea Patent Registration No. 10-1569485

[0003] Republic of Korea Patent Registration No. 10-1133406

[0004] Fig. 1 in U.S. Patent No. 6,886,686

[0005] Republic of Korea Patent Registration No. 10-1229101

[0006] There are functional caps known as foreign substance receiving caps, and an example of such technology is Korean Patent Registration No. 10-1569485. When the foreign substance contained in the internal receiving space (9) in the form of a container stopper is in liquid or powder form, the operating part having the internal receiving space (9) is lifted upward and the lower part is opened during the process of opening the outer cap (main body) of the receiving device, and the foreign substance is mixed with the contents of the lower container through the water passage hole (10). When the foreign substance is in the form of a tablet or granule and is larger than a certain size, even if the lower part of the operating part is opened, it is larger than the hole size of the water passage hole (10) and remains in the fixed part constituting the water passage hole (10). When a person drinks by tilting the container, the tablet or granule can be consumed sequentially or simultaneously depending on the degree of tilting. The method of use is the same as a container stopper. However, there are limitations in improving sealing reliability; realistically, there are limitations to achieving perfect sealing for moisture permeability, leakage, and long-term preservation. In particular, when heat is applied, such as during hot filling or post-sterilization, there is a disadvantage in that the seal becomes even more vulnerable due to thermal expansion or softening of the material.

[0007] Another example of such technology is Korean Patent Registration No. 10-1133406, which uses a method of sealing a tubular storage space inside the container in the form of a bottle cap by forcibly fitting a sealing part at the bottom.

[0008] In this method, sealing performance may not be guaranteed due to various risk factors. For instance, slight dimensional variations during injection molding management can cause the press fit to loosen and make it difficult to achieve a tight seal. Additionally, hot filling or post-sterilization of the container can soften the material and reduce sealing performance. Furthermore, there are disadvantages such as the sealing surface potentially shifting slightly due to expansion or contraction caused by temperature changes during distribution or storage.

[0009] Conventional technology has faced significant challenges in ensuring the airtightness of spaces containing heterogeneous substances. While perfect sealing must be maintained and the sealed space must open easily upon consumption, there are almost no container stoppers capable of accommodating heterogeneous substances that succeed in achieving this in actual mass production, where defect rates are required to be controlled within ppm units.

[0010] There is virtually no container stopper capable of perfectly maintaining airtightness of the space for containing heterogeneous substances (hereinafter referred to as "container sealing") while simultaneously ensuring the sealing of the entire container (hereinafter referred to as "container sealing"). Patents in the prior art literature also suffer from this same problem, resulting in a lack of ability to maintain sealing performance over long periods.

[0011] Although both the "receiving part sealing" and "container sealing" must be perfectly realized at the same time, if hot filling is performed when filling the contents, or if the container (7) is immersed in hot water for post-sterilization, the thermal expansion of the material or the softening of the material, which is mainly plastic, causes a severe decrease in sealing power, and there is a high probability of leakage or moisture penetration, making quality assurance impossible.

[0012] As described above, the method of sealing the sealing surface by combining two separate parts and using mechanical compression force has limitations. To solve this problem, technologies attempted in the same field include methods where the lower part of the heterogeneous material receiving section is injection-molded as a single body without seams, or where a sealing surface with a fused aluminum lead seal is perforated. As an example, in U.S. Patent No. 6886686, the lower surface (12a) in Fig. 1 is a seamless one-piece, but the method of sealing the upper receiving space involves using a cylinder-shaped part 12 and a piston-shaped part 14, resulting in a section between these two parts that requires sealing management. Although attempts were made to commercialize this product in the United States and Australia, problems such as powder caking due to moisture permeability or the inability to perform a pressing action due to being too tight occurred. Another example is Korean Patent Registration No. 10-1229101, which is based on a Swiss patent that uses an aluminum lead seal material for the perforated surface. Although the sealing film (11) at the bottom of the receiving section is fused to increase airtightness in this section, the sheet material perforation hole (1) for perforating the sealing film (11) has an operating end (13) protruding outside the receiving section to allow for manual pressing, so there are parts that need to be managed to ensure sealing while the sheet material perforation section (1) is operating. Even though the same route was repeatedly sealed at the sealing points (A, B, C, D), leakage is still occurring in the currently mass-produced products through this route.

[0013] Plastics are vulnerable to dimensional stability changes during filling, sterilization, distribution, and refrigerated storage, and therefore, existing sealing technologies as described above fail to meet industry standards requiring defect rates to be managed at the ppm level or below.

[0014] In order to increase the "sealing performance of the receiving part," instead of sealing by assembling parts, the sealing part (8) is joined using reliable bonding, heat fusion, ultrasonic fusion, high-frequency fusion, etc., and in order to increase the "sealing performance of the container," the method of perforating the sealing part (8) occurs only within the entire sealed space formed by the outer cap (1) and the container (7), and no part of the operating part is connected to the outside of the entire sealed space so that there is no point where the sealing power needs to be managed anew.

[0015] When opening, the sealing part (8) is made of a material that can be removed again, rather than by tearing or breaking and penetrating the sealing surface, and when the outer cap (1) rises, the operating part (5) also rises along with it, and when the sealing part (8) is firmly attached to the fixed part (6), the sealing part (8) is naturally separated from the operating part (5), and the receiving space (9) is naturally opened downward.

[0016] Through the present invention, the sealing power can be improved by a highly reliable bonding such as adhesive or fusion, compared to sealing by compression between components, without increasing the number of parts compared to conventional heterogeneous material receiving caps, and there is no separate sealing line to manage, and the sealing surface, which is the only sealing surface with the outside of the container (7), can be sealed by compression using a strong fastening force with screw threads like a general bottle cap, thereby obtaining a high sealing power at the level of a general bottle cap.

[0017] The present invention will be described in detail below with reference to embodiments thereof.

[0018] Figure 1 shows a cross-sectional view of the coupling structure of a container stopper, and

[0019] FIG. 2 shows a container (7) combined with a container stopper, and

[0020] FIG. 3 shows that when the outer cap (1) is rotated upward, the receiving space (9) is opened and contents such as liquid or powder are mixed in toward the container.

[0021] FIG. 4 shows that when the receiving space (9) is opened, if the contents are large pills or granules, they remain in the fixing part (6).

[0022] FIG. 5 shows the direction in which the cap is turned upside down to fill the contents into the receiving space (9), and

[0023] FIG. 6 shows an interlayer cross-section of the sealing portion (8), which is composed of a fused film layer, an aluminum film layer, and a tough film layer.

[0024] FIG. 7 is an application example in which the upper surface of the outer cap (101) is open and the shape of the operating part (105) is modified.

[0025] FIG. 8 shows a cross-sectional view of the coupling structure of a container stopper, and

[0026] FIG. 9 shows a container (a7) combined with a container stopper, and

[0027] FIG. 10 shows that when the receiving space (a9) is opened, if the contents are large pills or granules, they remain in the fixing part (a6).

[0028] FIG. 11 shows the direction in which the cap is inverted to fill the contents into the receiving space (a9), and

[0029] FIG. 12 shows an application example in which the upper surface of the upper cap (a101) is open and the shape of the operating part (a105) is modified.

[0030] FIG. 13 shows that when the upper cap rises, the operating part catches on the stopper and is pulled up, and after operation, the lower surface separates from the sealing part and rises, and the water passage hole (a10) is an arch structure with no threshold on the bottom side.

[0031] The outer cap (1) has the shape of a standard bottle cap, and the operating part (5), which is assembled by press-fitting on the lower side of the central axis, is capable of free rotation with the outer cap and has a cylindrical shape. The cylindrical shape forms a receiving space (9) for accommodating foreign substances in the center, the upper side is closed, and the lower side is sealed by a sealing part (8) being fused. On the concentric outer side of the operating part, the fixing part (6) has a tapered cylindrical structure, and a water passage hole (10) is drilled on the side, and the lower cross-section is fused to the sealing part at the same height as the operating part.

[0032] If the sealing part that is simultaneously fused to the bottom surface of the operating part (5) and the bottom surface of the fixed part (6) uses an aluminum lid seal composed of three layers, and polyethylene of the same series as the fixed part is used for the fusion film layer (8a) of the sealing part (8), polypropylene is used for the operating part (5), and PET film is used for the tough film layer (8c) so that the aluminum film layer (8b) does not break, then after high-frequency fusion, the sealing part is permanently bonded to the fixed part and can obtain a peelable characteristic with the operating part.

[0033] Due to this effect, when the consumer rotates the outer cap (1) to open it, the operating part (5) does not rotate along the outer cap but moves vertically upward, separating from the sealing part (8) on the lower side, and the receiving space is easily opened.

[0034] The foreign material coming out through the lower part of the open receiving space passes through the water passage hole (10) formed on the side of the fixed part (6) and is mixed into the inside of the container (7).

[0035] The fused aluminum lead seal enables very high sealing reliability and, when opened, utilizes the idle characteristics of the outer cap-operating part to gain force, allowing the seal to be easily opened with a small force.

[0036] The present invention ensures "receiving space sealing" by configuring the operating part (5) with a structure in which reliable bonding or fusion is applied to the sealing part (8) that seals the receiving space (9) of a foreign material, and all parts except this part are blocked.

[0037] In order to improve the "container sealability," when opening the receiving space (9), all components that need to be operated, except for the screw-type outer cap which has high sealing reliability, are placed inside the sealing space of the entire container so that there is no place where sealing needs to be managed through the contact surface between components.

[0038] The operating part (5) is a vertically arranged cylindrical structure, and the upper surface of the operating part is in the shape of a disc and is made of a material integral with the cylindrical structure. It is completely sealed and covers a portion slightly wider than the outer diameter of the cylinder, and has an operating part catch B (2) structure that protrudes like the eaves of a building. The interior of the cylindrical structure is a foreign material receiving space (9), and the lower part of the cylindrical structure is open. After filling the contents into the lower surface, a sealing part (8) is attached to seal it. The joining method between the sealing part (8) and the operating part (5) includes bonding, or stamping a lead seal material into a circular shape and pressing it onto the lower surface of the operating part (5), followed by heat fusion, ultrasonic fusion, or high-frequency fusion using a heat source. Even if the above joining method is not used, various materials that ensure airtightness can be applied. The most commonly used material in the industry is aluminum lead seal, which has very high sealing reliability.

[0039] The outer cap (1) has an external shape similar to a standard bottle cap, and the inner surface of the cylindrical shape has screw threads arranged in a rotationally symmetrical manner. On the top surface, there is an operating part catch A (3) arranged in a circularly symmetrical manner around a central axis, which prevents the operating part catch B (2) from coming out by pressing it in. The two structures are joined by pressing the operating part (5) in the concentric axis direction, and the operating part catch A (3) and the operating part catch B (2) of the operating part (5) do not come out again after joining, and the two are structured to rotate freely and independently of each other.

[0040] The fixed part (6) has a cylindrical structure and a tapered shape that is wider at the top and narrower at the bottom, with the top and bottom open. On the tapered cylindrical side, there are several narrow, vertically elongated water passage holes (10) drilled symmetrically along the central axis. Particles or liquids smaller than these water passage holes (10) pass through, but large granular forms such as pills or granules are blocked and cannot pass through. The number and size of the drop-off spaces can be adjusted according to the situation, and it is recommended to arrange 3 to 8 of them symmetrically. When the fixed part (6) is seated at the opening of the container (7), it can be selected so that it does not slip or come off again by force-fitting, or a fixing part catch (12) is placed on the lower part of the upper outer edge of the fixed part to wrap around and secure the edge of the container opening, and this part is connected to the catch (12) on the neck of the container so that it does not come off again. The lower surface of the fixed part (6) is joined to the sealing part (8) in a circular shape, so that it does not separate again during subsequent use and maintains a strong bond.

[0041] The container (7) is generally made by blowing or injection, and any type of aluminum container, such as a spinning process, may be used. The open bottle neck has a screw thread on the outer surface, and the upper part of the bottle neck has a locking projection structure that prevents it from coming off again when connected to the locking projection (12) of the fixing part (6).

[0042] The sealing part (8) can be made of various sealing materials and is bonded to the fixed load section (17) and the operating load section (18), which are the workpieces, through adhesive, heat fusion, ultrasonic fusion, high-frequency fusion, etc. For example, an aluminum lead seal used for high-frequency fusion can be seen in FIG. 6, the layer structure is shown, the uppermost layer is a fusion film layer (8a) that can be directly melted and fused with the workpiece, the middle layer is an aluminum film layer (8b), and the bottom layer can be a tough film layer (8c) with a coating to prevent corrosion by the contents of the container or a PET film to prevent tearing, and a material exhibiting peelable characteristics can be used.

[0043] The connection between the above components is achieved by pressing the operating part (5) into the outer cap (1) around a concentric circle so that the operating part catch A (3) and the operating part catch B (2) are connected, and then the fixing part (6) is pushed in. Afterward, the contents are filled into the receiving space (9), and then the sealing part (8) is evenly joined to the fixed load section (17) and the operating load section (18) simultaneously.

[0044] In the field of conventional heterogeneous material containment devices, when aluminum lead seals were used, methods involving the application of external force to puncture the seal during user operation were employed. Since the lower part is enclosed by a container, this external force necessarily requires actions such as pressing or pulling from outside the sealed space; consequently, this inevitably resulted in a sealing management point linked to the operating part.

[0045] The present invention is characterized by the fact that when the cap is opened, the external force causing the outer cap (1) to rise naturally leads to a perforating operation of the sealing part (8), that is, a method of separating the joint part rather than a method of perforating the sealing part (8) which is simultaneously joined between the rising operating part (5) and the fixed part (6). This is a method that is difficult for ordinary developers in the field of heterogeneous material receiving devices to imagine, unlike a general sealing method that can be removed directly by hand. This is because it requires comprehensive consideration of the vector and mechanics of the operating direction, taking into account the preconception that aluminum lead seals are weak, the duality that one side must be strongly joined and the other side weakly joined.

[0046] FIGS. 1 and 2 are cross-sectional views of a product purchased by a consumer, in which the lower part of the receiving space (9) is fused with the sealing part (8), the operating part (5) is connected to the outer cap (1) by a combination between the operating part catch tab B (2) and the operating part catch tab A (3), the lower part of the fixed part (6) is bonded or fused with the sealing part (8), and is strongly fastened to the opening of the container (7) by the fixed part catch tab (12). The outer cap (1) is shown fastened to the opening of the entire container through a screw thread connection.

[0047] FIG. 3 shows the process of opening for consumption by a consumer. When the outer cap (1) is rotated, it rises and can be separated from the container (7). At this time, the outer cap (1) pulls up the operating part (5) through the combination of the operating part catch A (3) and the operating part catch B (2). An important point here is that while the outer cap (1) rotates upward, the operating part (5) is attached or fused to the lower sealing part (8), so it is mechanically more advantageous to prevent it from rotating, making it easier to rotate the outer cap.

[0048] If the operating part (5) is integrally combined with the outer cap (1) rather than having a structure that rotates freely, the operating part (5) must rotate together with the outer cap (1) when the outer cap (1) rotates upward. Therefore, if the bonding strength of the sealing part (8) is high and the breaking strength of the sealing part is high, the outer cap cannot be rotated due to strong resistance. Alternatively, the sealing part with a peelable bond should detach from the operating part (5) first in response to this rotational torque, but it may detach from the fixed part (6) first, contrary to the intention. Alternatively, the sealing part may tear between the fixed part (6) and the operating part (5) due to insufficient breaking strength of the sealing part. Alternatively, the above malfunctions may occur in combination or partially, and as a result, the sealing part does not open as intended.

[0049] When the outer cap (1) is rotated and opened, idle rotation occurs between the operating part catch A (3) and the operating part catch B (2), and the operating part (5) begins to rise vertically without rotating. This generates a force gain using screw threads, causing the operating part (5) to be pulled up with strong force. At this time, it is preferable for the sealing part (8) to use a joining method such as peelable bonding or fusion rather than using a permanent bonding or fusion material. At this time, the bond between the sealing part (8) and the fixed load section (17) is maintained, while the bond of the operating load section (18) must be separated; this difference can be achieved even when both parts have the same level of bonding force. This is because as the operating part (5) rises, it receives a force that attempts to separate the surface vertically from the bonding surface of the sealing part (8), but the bonding surface of the fixed load section (17) receives a force in the compression direction or sideways, so the direction of the force attempting to separate the surfaces is not the same.

[0050] To increase reliability so that the sealing part (8) is more reliably formed in places where separation of the bonding surface occurs and the bonding is maintained in places where separation of the bonding surface should not occur, the material of the fixing part (6) and the material of the operating part (5) can be selected as heterogeneous materials, and the material of the fusion film layer of the sealing part (8) can be selected to have a higher bonding strength with the fixing part (6). For example, the fixing part (6) can be selected as PE material, the operating part (5) as PP material, and the fusion film layer of the sealing part (8) as PE layer. Then, the fixing part (6) and the sealing part (8) maintain a strong bonding strength of the same material, while the operating part (5) and the sealing part (8) exhibit a weaker bonding strength characteristic.

[0051] Another method involves wrapping the sealing section slightly further up to the cylindrical outer surface of the fixed part, rather than maintaining a flat structure, and joining it to the outer side. This is a common practice in aluminum lead seals where the rim is joined in a crown shape (similar to the cap of a beer bottle).

[0052] Another method is to adjust the cross-sectional area so that the area where the sealing part is joined is wider in the fixed load section (17) than in the operating load section (18).

[0053] When the outer cap (1) is rotated to open, if the contents in the receiving space (9) as in FIG. 3 are liquid or powder, they are mixed into the space inside the container (7) through the water passage hole (10), and if they are tablets or granules larger than the hole of the water passage hole (10), they remain there, and when a consumer drinks, the tablets or granules can be consumed sequentially or simultaneously with the contents inside the container.

[0054] As shown in FIG. 5, the method of filling during the manufacturing process involves assembling the outer cap (1), the fixing part (6), and the operating part (5), then positioning the surface to be joined to the sealing part (8) upward, placing the contents into the receiving space (9), placing the sealing part (8) on top, and then joining the sealing part (8) through bonding or fusion. Afterward, the container (7) filled with contents and the cap are rotated and connected.

[0055] Figure 7 shows an application example in which the shape of the outer cap is modified.

[0056] The side view of the outer cap (101) is a cylindrical shape like a standard bottle cap, with a screw thread on the inner side that is rotationally symmetrical, and a circularly symmetrical locking projection (103) on the top of the screw thread, and the roof surface of the outer cap has a circular hole in the center and only a portion of the roof surface is circularly symmetrical in the direction of the edge.

[0057] The operating part (105) is a vertically positioned cylindrical structure, and the upper surface of the operating part is in the shape of a disc and is made of a material identical to the cylindrical structure, completely sealed without gaps, and covers a wider area than the outer diameter of the cylinder, forming a circular symmetry and a protruding shape like the eaves of a building. A sealing structure of a standard bottle cap can be applied to the lower part of the eaves shape to help seal the fixing part (6) and the container (7). This eaves shape is configured to be lifted upward while rotating with the catch (103) when the outer cap (101) rotates upward. The interior of the cylindrical structure serves as a space for receiving foreign substances, and the lower part of the cylindrical structure is open. After filling the contents, the sealing part (8) is attached to the lower surface to seal it. The protruding part of this operating part (105) encloses the entire opening consisting of the lower bottle opening and the fixing part (6), and the strong fastening force of the screw threads of the outer cap (101) strongly presses the operating part (105) downward, thereby increasing the sealing pressure of the entire container. This operating part (105) can be made so that the internal direction of the receiving part can be transparently checked.

[0058] As another example of application, a reliable bonding such as adhesive or fusion is applied to the sealing part (a8) that seals the receiving space (a9) of a foreign material, and the operating part (a5) is configured in a structure that is completely blocked except for this part, thereby ensuring "receiving space sealing ability."

[0059] In order to improve the "sealing performance of the container," when opening the receiving space (a9), all components that need to be operated, except for the screw-type upper cap and lower cap which have high sealing reliability, are placed inside the sealing space of the entire container so that there is no place where sealing needs to be managed through the contact surface between components.

[0060] The operating part (a5) is a vertically positioned cylindrical structure, and the upper surface of the operating part is in the shape of a disc and is made of a material integral with the cylindrical structure, completely sealed without gaps, and covers a portion slightly wider than the outer diameter of the cylinder, protruding like the eaves of a building. The outer surface has an operating part catch tab B (a2) structure, the interior of the cylindrical structure is a foreign material receiving space (a9), the lower part of the cylindrical structure is open, and after filling the contents on the lower surface, a sealing part (a8) is attached to seal it. The joining method between the sealing part (a8) and the operating part (a5) includes bonding, or stamping a lead seal material into a circular shape and pressing it onto the lower surface of the operating part (a5), followed by heat fusion, ultrasonic fusion, or high-frequency fusion using a heat source. Even if the above joining method is not used, various materials that ensure airtightness can be applied. The most commonly used material in the industry is high-frequency fusion of aluminum lead seals, which offers very high sealing reliability.

[0061] The upper cap (a1) has an external shape similar to a standard bottle cap, and on the inner surface of the cylindrical shape, there are screw threads (a11) in a rotationally symmetrical shape. On the top surface, there is an operating part catch A (a3) ​​that is circularly symmetrical around a central axis, which prevents the operating part catch B (a2) from coming out by pressing it in. The two structures are joined by pressing the operating part (a5) in the direction of the concentric axis, and the operating part catch A (a3) ​​and the operating part catch B (a2) of the operating part (a5) do not come out again after joining, and the two are structured to rotate freely and independently of each other.

[0062] The fixing part (a6) is integrally formed as part of the lower cap (a111) structure, which is equipped with a lower cap screw thread (a12) that forms a screw thread connection with the container neck. Inside the lower cap, it has a tapered shape that is wider at the top and narrower at the bottom, with the top and bottom open. On the tapered cylindrical side, there are several narrow, vertically elongated water passage holes (a10) symmetrically formed around the central axis. Particles or liquids smaller than these water passage holes (a10) pass through, but large granular forms such as pills or granules (a20) are blocked and cannot pass through. The number and size of the water passage holes can be adjusted depending on the situation, and it is recommended to arrange 3 to 8 of them symmetrically. The lower surface of the fixing part (a6) is circular and joined to the sealing part (a8), maintaining a strong connection so that it does not separate again during subsequent use.

[0063] The container (a7) is generally made by blowing or injection molding, and any type of aluminum container, such as a spinning process aluminum container, can be used.

[0064] The sealing portion (a8) can be made of various sealing materials and is bonded to the fixed load section (a17) and the operating load section (a18), which are the substrates, through adhesive, heat fusion, ultrasonic fusion, high-frequency fusion, etc. For example, an aluminum lead seal used for high-frequency fusion can be shown in FIG. 6 as having a layered structure, the uppermost layer is a fusion film layer that can be directly melted and fused with the substrate, the middle layer is an aluminum film layer, and the bottom layer can be a tough film layer such as a PET film to prevent corrosion by the contents of the container or to prevent tearing, and a material exhibiting peelable characteristics can be used.

[0065] The above components are joined by pressing the operating part (a5) into the upper cap (a1) around a concentric circle so that the operating part catch A (a3) ​​and the operating part catch B (a2) are connected, and then the lower cap (a111), which is integral with the fixed part (a6), is rotated and connected using a screw thread (a11), and after the process of filling the contents into the receiving space (a9), the sealing part (a8) is simultaneously and evenly joined to the fixed load section (a17) and the operating load section (a18).

[0066] In the field of conventional heterogeneous material containment devices, when aluminum lead seals were used, methods involving the application of external force to puncture the seal during user operation were employed. Since the lower part is enclosed by a container, this external force necessarily requires actions such as pressing or pulling from outside the sealed space, which inevitably resulted in the formation of a sealing line connected to the operating part.

[0067] The present invention is characterized by the fact that when the cap is opened, the external force causing the upper cap (a1) to rise naturally leads to the opening operation of the sealing part (a8), that is, rather than a method of piercing the sealing part (a8) which is simultaneously joined between the rising operating part (a5) and the fixed part (a6), a method of opening by separating the joined part is used. This is not a general sealing method that can be removed directly by hand, and there is no example of its use in the field of heterogeneous material receiving devices.

[0068] By using sealing methods such as bonding or fusion, the structure becomes simpler without using the conventional plug structure that requires precise dimensions, and since high precision is not required, it is very efficient in terms of injection molded product quality control and productivity.

[0069] FIGS. 8 and 9 are cross-sectional views of a product purchased by a consumer, in which the lower part of the receiving space (a9) is bonded or fused with the sealing part (a8), the operating part (a5) is connected to the upper cap (a1) by a connection between the operating part catch tab B (a2) and the operating part catch tab A (a3), and the lower fixing part section (a17) of the fixing part (a6) is bonded or fused with the sealing part (a8). The upper cap (a1) is shown fastened to the lower cap (a111) through a screw thread connection.

[0070] FIG. 10 shows the process of opening for consumption by a consumer. When the upper cap (a1) is rotated, it rises and can be separated from the lower cap (a111). At this time, the upper cap (a1) pulls up the operating part (a5) through the combination of the operating part catch tab A (a3) ​​and the operating part catch tab B (a2). An important point here is that while the upper cap (a1) rotates upward, the operating part (a5) does not rotate because it is bonded or fused to the lower sealing part (a8). Mechanically, a structure in which the upper cap and the operating part rotate freely is more advantageous, making it easier to rotate the upper cap.

[0071] If the operating part (a5) is integrally connected to the upper cap (a1) rather than having a structure that rotates freely, the operating part (a5) must rotate together with the upper cap (a1) when the upper cap (a1) rotates upward. Therefore, if the bonding strength of the sealing part (a8) is high and the fracture strength of the sealing part is high, the upper cap cannot be rotated due to strong resistance. Alternatively, the sealing part with a peelable joint should detach from the operating part (a5) first in response to this rotational torque, but it may detach from the fixed part (a6) first, contrary to the intention. Or, due to insufficient fracture strength of the sealing part, the sealing part may tear between the fixed part (a6) and the operating part (a5). Alternatively, the above malfunctions may occur in combination or partially, and as a result, the sealing part does not open as intended.

[0072] When the upper cap (a1) is rotated to open, idle rotation occurs between the operating part catch A (a3) ​​and the operating part catch B (a2), and the operating part (a5) begins to rise vertically without rotating. This generates a force gain using screw threads, causing the operating part (a5) to be pulled up with a force stronger than the force applied to the rotation. At this time, it is preferable for the sealing part (a8) to use a joining method such as peelable bonding or fusion rather than using a permanent bonding or fusion material. In this case, the bond between the sealing part (a8) and the fixed load section (a17) is maintained, while the bond between the operating load section (a18) must be separated; this difference can be achieved even when both parts have the same level of bonding force. The reason is that the operating part (a5) rises and receives a force that attempts to separate the surface perpendicularly to the joint surface of the sealing part (a8), but the joint surface of the fixed load section (a17) receives a force in the direction of compression or side, so the direction of the force attempting to separate the surface is not the same. From a more microscopic perspective, the joint surface between the operating part and the sealing part does not fall off all at once, but rather the separation begins and proceeds little by little starting from the edges.

[0073] In order to increase reliability so that separation between the sealing part (a8) and the bonding surface occurs at the right time where separation is required, and bonding is maintained where separation of the bonding surface is not required, the material of the fixing part (a6) and the material of the operating part (a5) can be selected as heterogeneous materials, and the fusion film layer of the sealing part (a8) can be selected to have a higher bonding strength with the fixing part (a6). For example, if the fixing part (a6) is selected as PE material, the operating part (a5) as PP material, and the fusion film layer of the sealing part (a8) as PE layer, the fixing part (a6) and the sealing part (a8) maintain a strong bonding strength of the same material, while the operating part (a5) and the sealing part (a8) exhibit a weaker bonding strength characteristic.

[0074] Another method is to increase the bonding strength by wrapping the sealing portion (a8, a108) slightly further up to the cylindrical outer surface of the fixed portion and joining it to the outer side, rather than maintaining a flat structure. This is a common practice in aluminum lead seals where the rim is joined in a crown shape (like the cap of a beer bottle).

[0075] Another method is to adjust the cross-sectional area so that the area where the sealing part is joined is larger for the fixed load cross-section (a17) than for the operating load cross-section (a18).

[0076] When the top cap (a1) is rotated to open, as shown in FIG. 3, if the contents in the receiving space (a9) are liquid or powder, they are mixed into the space inside the container (a7) through the water passage hole (a10), and if they are tablets or granules larger than the hole of the water passage hole (a10), they remain there, and when the consumer drinks, the tablets or granules (a20) can be consumed sequentially or simultaneously with the contents inside the container.

[0077] As shown in FIG. 5, the method of filling during the manufacturing process involves assembling the upper cap (a1), the fixing part (a6), and the lower cap (a111), then positioning the surface to be joined to the sealing part (a8) upwards, placing the contents into the receiving space (a9), placing the sealing part (a8) on top, and then joining the sealing part (a8) through bonding or fusion. Afterward, the container (a7) filled with contents and the cap are rotated and fastened.

[0078] Figure 7 shows an application example in which the shape of the top cap is modified.

[0079] The outer side view of the upper cap (a101) has a cylindrical shape similar to a standard bottle cap, and on the inner side there are screw threads (a11) in rotational symmetry, and above the screw threads (a11) there are locking tabs (a103) in circular symmetry, and the roof surface (a102) is completely closed or only a part of the roof surface (a102) is left open in the direction of the edge, and the roof surface (a102) is configured to press the operating part (a105) toward the lower cap (a112) when closing the upper cap (a101) and to seal tightly.

[0080] The operating part (a105) is a vertically positioned cylindrical structure, and the upper surface of the operating part is a closed cylindrical structure. The upper part of the cylindrical structure forms a structure that protrudes in a circularly symmetrical shape, wider than the outer diameter of the cylinder, resembling the eaves of a building. A sealing structure of a standard bottle cap can be applied to the lower part of the eaves shape to help seal with the lower cap section (a112). The upper cap (a101) strongly presses the operating part (a105) downward using the strong fastening force of the screw thread (a11) to increase the sealing force with the lower cap section (a112). The operating part catch tab of the outer part of this eaves shape is configured so that when the upper cap (a101) rotates upward, it engages with the catch tab (a103), causing it to spin freely and be lifted vertically upward without rotation. By allowing it to rise without rotation in this way, the rotational torque of the upper cap (a101) is increased by the force gain using the screw thread, thereby enabling the upper cap to be pulled up with a relatively strong force. The lower part of the cylindrical structure is open, and after filling the receiving space (a109) with a foreign material, the operating load cross-section (a118), which is the lower surface of the cylindrical structure, is sealed by joining the sealing part (a108).

[0081] The sealing portion (a108) is simultaneously joined to the fixed load portion (a017) by means of bonding or fusion. For fusion, thermal fusion, ultrasonic fusion, high-frequency fusion, etc., may be used, and a material exhibiting peelable characteristics is preferred. There is a method of high-frequency fusion of an aluminum lead seal.

[0082] When the upper cap (a101) is rotated and raised to open the bottle cap, the outer jaw of the operating part (a105) catches on the stopper (a103) on the inner side of the upper cap and spins freely, causing the operating part (a105) to rise vertically without rotation, and the sealing part (a108) is separated from the operating load section (a118) while maintaining contact with the fixed load section (a117), and the lower part of the receiving space (a109) is opened. The contents inside the receiving space (a109) pour out; if it is powder or liquid smaller than the water passage hole (a10), it is mixed into the lower container (a7) through the water passage hole (a10), and if it is tablet or granule larger than the water passage hole (a10), it remains on the sealing part (a108) connected to the fixed part, and can be consumed simultaneously or sequentially with the contents depending on the degree to which the container is tilted when drinking.

[0083] The operating part (a105) can be made using a transparent material such as PP (polypropylene) so that the contents of the receiving space (a9) can be seen, and the bottom cap (a111) can be fastened to a standard threaded bottleneck.

[0084] FIG. 13 is an example in which the shape of the fixed part (a6) is different. The shape of all other components is the same as described above in the present invention, but the shape of the fixed part is a constant cylindrical shape that extends downward, and near the lowest part, only the pier shape descends downward like the pier shape of a masonry arch bridge and joins with the sealing part, and the open side wall acts as a water passage hole (a10), and after filling the contents into the receiving space, the sealing part is joined by a method such as fusion of an aluminum lead seal to reliably seal the receiving space.

[0085] The present invention innovatively improves sealing power, enables the use of hot filling and post-treatment sterilization, and extends the shelf life of the contents, making it applicable in fields such as beverages, dairy products, pharmaceuticals, alcoholic beverages, and medical products.

Claims

1. The operating part (5) is a vertically arranged cylindrical structure, and the upper surface of the operating part is in the shape of a disc and is made of a material integral with the cylindrical structure and is completely sealed without gaps and has an operating part catch B (2) structure that is slightly wider than the outer diameter of the cylinder and protrudes like the eaves of a building, and the inside of the cylindrical structure is a foreign material receiving space (9), the lower part of the cylindrical structure is open, and the lower surface can be sealed by attaching a sealing part (8) after filling with contents. The outer cap (1) has an external shape similar to a standard bottle cap, and the inner surface of the cylindrical shape has screw threads in a rotationally symmetrical shape. On the top surface, there is an operating part catch A (3) that is circularly symmetrical around a central axis, which can prevent the operating part catch B (2) from coming out again by pressing it in. The two structures are joined by pressing the operating part (5) in the concentric axis direction. The operating part catch A (3) and the operating part catch B (2) do not come out again after joining, and are structured to rotate freely and independently of each other. The fixed part (6) has a cylindrical structure and a tapered shape that is wider at the top and narrower at the bottom, with the top and bottom open. On the tapered cylindrical side, several hole-shaped water passage holes (10) are drilled symmetrically around the central axis. Particles or liquids smaller than the water passage holes (10) pass through, but large granular forms such as pills or granules get stuck and cannot pass through. The number and size of the drop spaces can be adjusted according to the situation. When this fixed part (6) is attached to the opening of the container (7), it does not spin loosely or come off again. The lower surface of the fixed part (6) is joined to the sealing part (8) in a circular shape, maintaining a strong bond so that it does not separate again during subsequent use. The sealing portion (8) is joined to the fixed load section (17) and the operating load section (18), and The connection between the above components is achieved by pressing the operating part (5) into the outer cap (1) around a concentric circle so that the operating part catch A (3) and the operating part catch B (2) are connected, and then the fixing part (6) is pushed in. Afterward, the contents are filled into the receiving space (9), and then the sealing part (8) is evenly joined to the fixed load section (17) and the operating load section (18) simultaneously. When the outer cap (1) is rotated and opened, the operating part (5) rotates idly between the operating part catch A (3) and the operating part catch B (2), and the operating part (5) rises vertically without rotating, the sealing part (8) and the lower surface of the fixed part (17) are maintained, and the sealing part lower surface (18) is separated, and the contents inside the receiving space (9) are mixed into the container through the water passage hole or the container stopper that receives the foreign material placed on the fixed part.

2. In the first paragraph, a fixing part catch (12) is formed at the lower part of the upper outer edge of the fixing part (6) to wrap around and secure the edge of the container opening, and the container stopper for accommodating foreign substances is configured so that when this part is connected to the catch on the neck of the container, it does not come off again.

3. In paragraph 1, the sealing part (8) is a container stopper for receiving a different material, using an aluminum lead seal that can be used by laminating a tough film layer so as not to tear easily and by high-frequency welding.

4. In paragraph 1, the sealing portion (8) is a container stopper that accommodates a foreign material having peelable characteristics.

5. The side view of the outer cap (101) is cylindrical in shape like a standard bottle cap, and the inner side has screw threads in rotational symmetry, and there is a circularly symmetric locking projection (103) above the screw threads, and the roof surface of the outer cap has a circular hole in the center and only a part of the roof surface is circularly symmetric in the direction of the edge, and The operating part (105) is a vertically arranged cylindrical structure, and the upper surface of the operating part is in the shape of a disc and is made of a material identical to the cylindrical structure and is completely sealed without gaps and covers a wider area than the outer diameter of the cylindrical structure, so it is circularly symmetrical and has a protruding shape like the eaves of a building, and a sealing structure of a general bottle cap is applied to the lower part of the eaves shape to help seal the fixing part (6) and the container (7), and this eaves shape is configured to be lifted upward while rotating with the stopper (103) when the outer cap (101) rotates upward, and the interior of the cylindrical structure is a space for receiving foreign substances, and the lower part of the cylindrical structure is open, and after filling the contents, a sealing part (8) is attached to the lower surface to seal it, and the protruding part of the operating part (105) surrounds the entire opening consisting of the lower bottle opening and the fixing part (6), and the strong fastening force of the screw thread of the outer cap (101) strongly presses the operating part (105) downward to increase the sealing pressure of the entire container, The fixed part (6) has a cylindrical structure and a tapered shape that is wider at the top and narrower at the bottom, with the top and bottom open. On the tapered cylindrical side, several hole-shaped water passage holes (10) are drilled symmetrically around the central axis. Particles or liquids smaller than the water passage holes (10) pass through, but large granular forms such as pills or granules get stuck and cannot pass through. The number and size of the drop spaces can be adjusted according to the situation. When this fixed part (6) is attached to the opening of the container (7), it does not spin loosely or come off again. The lower surface of the fixed part (6) is joined to the sealing part (8) in a circular shape, maintaining a strong bond so that it does not separate again during subsequent use. The sealing portion (8) is joined to the fixed load section (17) and the operating load section (18), and The connection between the above components is achieved by pressing the operating part (5) into the outer cap (1) around a concentric circle so that the operating part catch A (3) and the operating part catch B (2) are connected, and then the fixing part (6) is pushed in. Afterward, the contents are filled into the receiving space (9), and then the sealing part (8) is evenly joined to the fixed load section (17) and the operating load section (18) simultaneously. When the outer cap (1) is rotated and opened, the operating part (5) rotates idly between the operating part catch A (3) and the operating part catch B (2), and the operating part (5) rises vertically without rotating, the sealing part (8) and the lower surface of the fixed part (17) are maintained, and the sealing part lower surface (18) is separated, and the contents inside the receiving space (9) are mixed into the container through the water passage hole or the container stopper that receives the foreign material placed on the fixed part.

6. The operating part (a5) is a vertically arranged cylindrical structure, and the upper surface of the operating part is in the shape of a disc and is made of a material integral with the cylindrical structure, is completely sealed without gaps, and has an operating part catch B (a2) structure that is slightly wider than the outer diameter of the cylinder and protrudes like the eaves of a building, and the inside of the cylindrical structure is a foreign material receiving space (a9), the lower part of the cylindrical structure is open, and the lower surface can be sealed by attaching a sealing part (a8) after filling with contents. The upper cap (a1) has an external shape similar to a standard bottle cap, and the inner surface of the cylindrical shape has screw threads arranged in a rotationally symmetrical manner. On the top surface, there is an operating part catch A (a3) ​​arranged in a circularly symmetrical manner around a central axis, which allows the operating part catch B (a2) to be pressed in so that it does not come out again. The two structures are joined by pressing the operating part (a5) in the direction of the concentric axis, and the operating part catch A (a3) ​​and the operating part catch B (a2) do not come out again after joining, and are structured to rotate freely and independently of each other. The fixing part (a6) is integrally formed as part of a lower cap (a111) structure equipped with a lower cap screw thread (a12) that forms a screw thread connection with the container neck, and has a tapered shape on the inside of the lower cap that is wider at the top and narrower at the bottom in the form of a tubular section, with the top and bottom open, and on the tapered cylindrical side, several narrow, vertically elongated water passage holes (a10) are drilled symmetrically around the central axis, and particles or liquids smaller than these water passage holes (a10) pass through, but large granular forms such as pills or granules are blocked and cannot pass through, and the number and size of the water passage holes can be adjusted according to the situation, and the lower surface of the fixing part (a6) is circular and is joined to the sealing part (a8) by adhesive or fusion so as to maintain a strong bond without separating again during subsequent use, and The sealing portion (a8) is joined to the fixed load section (a17) and the operating load section (a18), and The connection between the above components is achieved by pressing the operating part (a5) into the upper cap (a1) around a concentric circle so that the operating part catch A (a3) ​​and the operating part catch B (a2) are connected, and then the lower cap (a111), which is integral with the fixed part (a6), is rotated and connected, and after the process of filling the contents into the receiving space (a9), the sealing part (a8) is simultaneously and evenly joined to the fixed load section (a17) and the operating load section (a18). When the upper cap (a1) is rotated and opened, the operating part (a5) rotates idly between the operating part catch A (a3) ​​and the operating part catch B (a2), and the operating part (a5) rises vertically without rotating, the sealing part (a8) and the lower surface of the fixed part (a17) are maintained, and the sealing part lower surface (a18) is separated, and the contents inside the receiving space (a9) are mixed into the container through the water passage hole (a10) or are placed on the fixed part, and the container stopper is for receiving a foreign substance.

7. In paragraph 6, the sealing part (a8) is a container stopper for receiving a different material that uses an aluminum lead seal that can be used by laminating a tough film layer, is not easily torn, and is high-frequency fused.

8. In paragraph 6, a container stopper in which the sealing portion (a8) has peelable characteristics for accommodating a heterogeneous material.

9. The outer side view of the upper cap (a101) has a cylindrical shape similar to a general bottle cap, and there are screw threads (a11) on the inner side in a rotational symmetry, and a locking projection (a103) in a circular symmetry on the inner wall above the screw threads, and the roof surface (a102) has a portion of the roof surface remaining only in the direction of the edge and the center is open, and the roof surface (a102) is configured to press the operating part (a105) in the direction of the lower cap bend (a112) when closing the upper cap (a101) so as to tightly seal it. The operating part (a105) forms a receiving space (a109) within a vertically arranged cylindrical structure, the upper surface of the operating part (a105) is closed, and the upper part of the cylindrical structure forms a structure that is circularly symmetrical and protrudes like the eaves of a building, wider than the outer diameter of the cylinder, and a sealing structure of a general bottle cap can be applied to the lower part of the eaves shape to help seal with the lower cap part (a112), and when the upper cap (a101) is combined with the lower cap (a111) by the strong fastening force of the screw threads, the operating part (a105) is strongly pressed downward to increase the sealing force with the lower cap part (a112), and the outer part of the eaves shape of the operating part (a105) is configured to be lifted vertically upward without rotation by engaging with the catch (a103) inside the upper cap (a101) when the upper cap (a101) rotates upward, and the lower part of the cylindrical structure is open. After filling the receiving space (a109) with a heterogeneous material, the operating load cross-section (a118), which is the lower surface of the cylindrical structure, is joined with the sealing part (a108) and has a peelable characteristic. The sealing portion (a108) is simultaneously joined to the fixed load section (a117) through bonding or fusion, etc. When the upper cap (a101) is rotated and raised to open, the outer jaw of the operating part catches on the stopper (a103) on the inner side of the upper cap and spins freely, causing the operating part (a105) to rise vertically without rotation, and the sealing part (a108) and the operating part load section (a118) are separated, and the lower part of the receiving space (a109) is opened. If the contents inside the receiving space are powder or liquid smaller than the water passage hole (a10), they are mixed into the lower container through the water passage hole (a10); if they are tablets or granules larger than the water passage hole (a10), they remain on the sealing part and can be consumed simultaneously or sequentially with the contents of the container when drinking. The cap (a111) is a container stopper for receiving foreign substances, configured to be sealed by being connected to a general bottle neck.

10. In claim 6, the fixed part has a constant cylindrical shape that extends downward, and near the lowest part, only the pier shape descends downward like the pier shape of a masonry arch bridge and joins with the sealed part, and the open side wall acts as a water passage hole (a10) for a container stopper that accommodates a foreign material.

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