JP3717044B2 - Container mouth cleaning method and apparatus - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for cleaning a liquid adhering to a container mouth after filling a stored liquid. In particular, the present invention relates to a method for cleaning deposits on a container mouth suitable for a roll-on pill fur proof cap (hereinafter referred to as a ROPP cap) of a type in which a cap shell is formed with a roller in accordance with the container mouth.
[0002]
[Prior art]
When capping the ROPP cap on a container mouth having a shape such as a screw, after covering the container mouth with an unmolded cap shell, the cap is molded according to the container mouth using a threading roller, a lock roller, etc., and then capped. At this time, when the filling nozzle for filling the container liquid into the container approaches the container or when the filling is finished and the nozzle is separated from the container, liquid dripping may occur from the filling nozzle. May adhere to. The accommodating liquid beer, if those prone to foam-initiated malt beer, for example, in beer, after filling the container, to drive off air in the air-radical 41 that remains around the container mouth just prior to sealing, force after filling is two shots foam performs an operation flooding the foam from the container mouth by, but overflowing bubbles adhere to the container mouth.
[0003]
This adhesion may cause the cap to stick, and it is difficult to open the cap, particularly in a liquid containing a large amount of sugar (such as a sweetened soft drink).
[0004]
Conventionally, with respect to the housing liquid from adhering to the container mouth, as shown in FIG. 9, Ru with cap shell 40 having a small hole 40a for cleaning. The container liquid is filled, and after capping, washing is performed by spraying washing water as indicated by an arrow X. FIG. 9 is a vertical cross-sectional view schematically showing a cross-sectional view of a conventional container mouth, here, the vicinity of the shed. 41 is a sealing material bonded to the cap shell, and 42 is a shed.
[0005]
[Problems to be solved by the invention]
In the above-described cleaning method, since the deposits in the container mouth are washed away through a small hole after capping, a large amount of cleaning water and cleaning time are required, and the cleaning process becomes long, and cleaning equipment is installed. The space must also be widened.
[0006]
SUMMARY OF THE INVENTION An object of the present invention is to provide a method for reliably and quickly cleaning a small amount of stored liquid adhering to a container mouth.
[0007]
[Means for Solving the Problems]
In order to achieve the above-mentioned purpose, after filling the container with the storage liquid, the container mouth of the container is covered with a seal liner and sealed, and the container mouth is washed with a cleaning liquid while fixing so as to maintain the sealed state, Covering the cap shell, forming the cap shell according to the container mouth, and forming the seal liner so that the seal liner is detached from the container mouth when the cap shell is lifted when the cap is opened. Clean reliably and in a short time.
[0008]
Further, a means for covering the container mouth of the container filled with the storage liquid, a means for maintaining the state covered with the seal liner, and a cleaning liquid for the container mouth while maintaining the state covered with the seal liner Means for spraying, means for covering the container mouth of the container after washing, and forming the cap shell in accordance with the container mouth, and when the cap shell is lifted when the cap shell is opened, the seal liner is moved to the container mouth As a container mouth cleaning device provided with at least means for forming the container mouth, the liquid stored in the container mouth can be reliably and quickly cleaned.
[0009]
In order to achieve the above object, after filling the container with the containing liquid, fitting a seal liner that is friction-fitted into the container mouth of the container, washing the container mouth with the cleaning liquid, and then covering the cap shell, Forming the cap shell in accordance with the container mouth and forming the seal liner so as to be detached from the container mouth as the cap shell is lifted when the cap is opened, so that the liquid contained in the container mouth can be washed reliably and in a short time. . In this case, if an adhesive is provided on the inner surface of the cap shell in contact with the top surface of the seal liner, the seal liner can be removed simultaneously when the cap is opened.
[0010]
In addition, after filling the container with the storage liquid, a seal liner that is friction-fitted to the container mouth of the container integral with the cap shell is fitted, and the cleaning liquid is flowed from the lower end of the cap shell to be washed, If the cap shell is molded together, the cap shell and the seal liner can be securely connected, and only the seal liner can be prevented from remaining when the cap is opened.
[0011]
Further, if the cap shell has an exhaust hole in the vicinity of the periphery under the seal liner, the cleaning effect can be increased.
[0012]
Furthermore, if the cleaning liquid flowing in from the gap at the lower end of the cap shell is performed before the capping machine, the apparatus necessary for the process can be arranged without changing the capping machine.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. This embodiment relates to a case where a foamable liquid such as beer is stored in a jar. FIG. 1 is a longitudinal sectional view of a seal liner, FIG. 2 is a front view of a container mouth, here a shed 20, and FIG. 3 is a longitudinal sectional view showing a combined state of the container mouth and a seal liner. FIG. 4 is a front view of the cap shell 30 before molding, and the position of the seal liner 31 after assembly is indicated by a dotted line. FIG. 5 is a longitudinal sectional view of the shed with the cap shell 30 covered on the seal liner 31 frictionally fitted to the shed 20. FIG. 6 is a vertical cross-sectional view of a state where the cap shell 30 is put on the shed 20 and formed by the rollers 35 and 36. FIG. 7 is an explanatory view of the arrangement schematically showing the arrangement of the apparatus from filling of the stored liquid into the container to capping.
[0014]
As shown in FIG. 2, the shed 20 here is a screw hole. In FIG. 7, the shed 20 viewed from above is indicated by a circle. The container placed on the filling machine inlet conveyor 1 shows only its mouth 20, but is sent to the filling machine 3 by the filling machine inlet star wheel 2 that is successively fed in the direction of arrow A and rotated as shown by arrow B. It is done. In the filling machine 3, the stored liquid, here beer, is filled one after another from the shed 20, and then forced to foam and foam from the shed to expel the empty space remaining at the top of the shed. Overflow. After this state, the filling machine outlet star wheel 4 rotating in the direction of arrow D is sent to the filling machine capper conveyor 5. The seal liner 31 shown in FIG. 1 is friction-fitted as shown in FIG. 3 within the area S of the filling machine capper conveyor 5. The seal liner 31 has an inner wall 31a that frictionally fits with the inner periphery of the shed 20. Here, for example, as shown by an arrow K in FIG. 3, the cleaning liquid is sprayed to clean the adhering / accommodating liquid around the mouth. Since the seal liner 31 is frictionally fitted to the shed 20, the cleaning water does not enter the container. Thereafter, the cap shell 30 before molding is put on the tip of the throat as shown in FIG. 5, the throat 20 moves along the filling machine capper conveyor 5, and the ridge with the cap shell 30 is indicated by an arrow F. It is sent to a capping machine (capper) 7 that rotates in the direction of arrow G by a capper inlet star wheel 6 that rotates in the direction. In the capper 7, the shed 20 is fed while rotating. As shown in FIG. 6, the cap shell 30 is pushed by the threading roller 35 coming out from the lateral direction and is pushed against the shed 20. It is formed. Similarly, the lower end portion of the cap shell 30 is pressed by the lock roller 36 coming out from the lateral direction and fixed to the shed 20. FIG. 6 shows a state after the cap shell 30 is molded. The time required for the cleaning process in the region S is about 2 to 10 seconds. Incidentally, it took about 3 to 5 minutes in the prior art described above.
[0015]
The thread diameter of the cap shell is smaller than the outer diameter of the seal liner. As a result, the seal liner 31 is lifted by the threaded portion of the cap shell 30 at the time of opening, so that the opening can be reliably performed. Further, in order to ensure opening, a small diameter portion may be formed by a roller immediately below the seal liner 31. The soot that has been capped by the capper 7 is placed on a capper exit conveyor 9 that moves in the I direction by a capper exit star wheel 8 that rotates in the direction of arrow H, and is sent to the packing process.
[0016]
In the above embodiment, the seal liner 31 is placed on the shed 20 and the periphery of the shed 20 is cleaned in the region S of FIG. 7, but for this reason, it is not necessary to change the capper 7. is there. However, if a mechanism for this process is provided in the region T of the capper 7 and then a cap shell is formed by a roller, the process can be made compact.
[0017]
Next, another embodiment according to the present invention will be described. FIG. 8A is a front view of the cap shell 30 when the seal liner 31 and the cap shell 30 are integrally formed by bonding or the like. A plurality of small holes 30 a are provided immediately below the seal liner 31. The seal liner 31 integrated with the cap shell 30 is friction-fitted to the container port 20 as shown in FIG. Thereafter, as shown by an arrow M, a cleaning liquid is injected into the cap shell 30 to clean the dirt near the shed 20. At this time, if the small hole 30a is provided, the cleaning liquid enters as indicated by the arrow M, and part of the cleaning liquid is removed as indicated by the arrow L. Become. This cleaning step can be provided in the region S of FIG. 7, but can also be provided in the region T of the capper 7. In this embodiment, even when it is provided in the region T, the change of the capper 7 is slight.
[0018]
【The invention's effect】
As described above, according to the present invention, washing is performed before the cap shell is formed, so that the liquid stored in the container mouth can be removed reliably and in a short time.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of a seal liner according to an embodiment of the present invention.
FIG. 2 is a front view of a container mouth that can be frictionally fitted with the seal liner of FIG. 1, here, a mouth with a screw.
3 is a longitudinal sectional view showing a combined state of the container port of FIG. 2 and the seal liner of FIG. 1;
FIG. 4 is a front view of a cap shell before molding used in the embodiment of the present invention. The position of the seal liner after assembly is indicated by a dotted line.
5 is a vertical cross-sectional view of the shed with the cap shell of FIG. 4 over the seal liner frictionally fitted to the shed of FIG. 2;
6 is a longitudinal sectional view showing a state where the cap shell of FIG. 5 is formed by a roller. FIG.
FIG. 7 is an arrangement explanatory view schematically showing the arrangement of apparatuses from filling of a container liquid into a container to capping in the embodiment of the present invention.
FIG. 8 is an explanatory view showing another embodiment according to the present invention. (A) is a front view of the cap shell when the seal liner and the cap shell are integrally formed by bonding or the like, and (b) is a friction fitting of the seal liner of (a) to the container mouth. It is a longitudinal cross-sectional view which shows the state which carried out.
FIG. 9 is a longitudinal sectional view of a shed with a cap showing the prior art.
[Explanation of symbols]
1 Filler inlet conveyor, 2 Filler inlet star wheel, 3 Filler, 4 Filler outlet star wheel, 5 Filler capper conveyor, 6 Capper inlet star wheel, 7 Capper (capping machine), 8 Capper outlet star wheel, 9 Capper outlet conveyor, 20 throat (container port), 30 cap shell, 31 seal liner, 30a exhaust port (small hole), 35 threading roller, 36 lock roller, S region, T region.

Claims (6)

After the container is filled with the container liquid, the container mouth of the container is covered with a seal liner and sealed so that the sealed state can be maintained, the container mouth is washed with a cleaning liquid, and then the cap shell is placed over the container. A method of cleaning a container mouth, wherein the cap shell is formed in accordance with the mouth and formed so that the seal liner is detached from the container mouth as the cap shell is lifted when the cap is opened . Means for covering the container mouth of the container filled with the storage liquid, means for maintaining the state covered with the seal liner, and spraying the cleaning liquid to the container mouth while maintaining the state covered with the seal liner Means, a means for covering the container mouth of the container after washing with the cap shell, and molding the cap shell according to the container mouth, and when the cap shell is lifted when the cap shell is opened, the seal liner is detached from the container mouth A container mouth cleaning device comprising at least means for forming the container mouth. After the container is filled with the container liquid, a seal liner that is friction-fitted to the container mouth of the container is fitted, the container mouth is washed with a cleaning liquid, and then the cap shell is put on and the cap shell is fitted to the container mouth. A method for cleaning a container mouth, wherein the seal liner is formed so as to be detached from the container mouth as the cap shell is lifted when the cap shell is molded and opened .   After the container is filled with the storage liquid, a seal liner that is friction-fitted to the container mouth of the container integral with the cap shell is fitted, and after washing with the cleaning liquid flowing from the lower end of the cap shell, it is adjusted to the container mouth. A method for cleaning a container mouth, comprising molding the cap shell.   The container cap cleaning method according to claim 4, wherein the cap shell has an exhaust hole in the vicinity of the periphery under the seal liner.   6. The container mouth cleaning method according to claim 4, wherein cleaning in which a cleaning liquid flows from a gap at a lower end of the cap shell is performed before the capping machine.

Images