JP2001171794A - Washing method and device for container mouth - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a washing method wherein the washing of a container mouth can be surely performed in a short period of time. SOLUTION: After a housing liquid is filled in a container, a cap shell 30 having a seal section 31 is placed on the container mouth 20 of the container. Then, the top surface of the cap shell 30 is pressed, and after a washing liquid is made to flow in from a gap at the lower end of the cap shell 30. Then, after washing the container mouth 20, the cap shell is shaped in a manner to meet the container mouth by a roller in this washing method for a container contamination.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for cleaning dirt on a container opening after filling a storage liquid. In particular, the present invention relates to a method for cleaning a container opening 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 opening.

[0002]

2. Description of the Related Art When capping a ROPP cap on a container opening having a shape such as a screw, an unformed cap shell is placed over the container opening, and a cap is formed by a threading roller, a lock roller, or the like to match the container opening. Perform capping. At this time, when the filling nozzle for filling the container with the container liquid approaches the container, or when the nozzle is separated from the container after filling is completed, dripping may occur from the filling nozzle. May adhere to In addition, when the contained liquid is one that is easy to fire such as beer and low-malt beer, for example, in beer, after filling a container,
Immediately before sealing, the air in the empty portion remaining near the container mouth is expelled in order to expel the foam from the container mouth by forcibly firing after filling. The overflowing foam adheres to the container mouth.

[0003] In particular, in the case of a liquid containing a large amount of sugar (such as a soft drink containing a sweetener), this adhesion may cause sticking of the cap, making it difficult to open the cap.

Conventionally, with respect to the fixation of the liquid stored in the container opening, as shown in FIG. 4, the liquid is filled using a cap shell 40 provided with a small hole 40a for cleaning, and then capping is performed. After that, washing is performed by spraying washing water as shown by an arrow X. FIG. 4 is a longitudinal sectional view schematically showing a sectional view of a conventional container opening, here, a vicinity of a bottle opening. 41 is a sealing material adhered to the cap shell, and 42 is a bottle mouth.

[0005]

In the above-mentioned cleaning method, a large amount of cleaning water and cleaning time are required because the deposits on the container port are washed off through the small holes after capping, and the cleaning step is long. Therefore, the space for installing the cleaning equipment must be increased.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method for reliably and quickly cleaning a liquid adhering to a container opening.

[0007]

In order to achieve the above object, after filling a container with a liquid, a cap shell having a seal portion is placed over the container opening of the container, and the container opening is sealed.
While maintaining the hermetically closed state, the cleaning liquid flows from the gap at the lower end of the cap shell and is washed. After that, the cap shell is formed in accordance with the container opening by a roller so that the liquid stored in the container opening can be removed reliably and in a short time. It was taken.

[0008] Further, by pressing the top surface of the cap shell covered to maintain the container mouth closed by the cap shell, it is possible to prevent the cleaning liquid from flowing into the container.

Further, if the cap shell has an exhaust hole near the periphery of the seal portion, the effect of the cleaning is further determined.

[0010] Further, if the cleaning in which the cleaning liquid flows in from the gap at the lower end of the cap shell is performed on the capping machine, the process can be surely and shortened.

Furthermore, if the washing in which the washing liquid flows from the gap at the lower end of the cap shell is performed on the transfer device in front of the capping machine, the devices required for the process can be easily arranged without changing the capping machine. .

[0012] Further, means for covering a cap shell having a seal portion at the container opening of the container filled with the storage liquid (the seal portion seals the container opening), and means for maintaining the cap shell covered state. Means for injecting a cleaning liquid through a gap at a lower end of the cap shell, and a cleaning device for a container port, in which the cleaning liquid is supplied to clean the container port while the cap shell is kept covered. As a result, the liquid contained in the container opening can be removed reliably and in a short time.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. This embodiment is directed to a case where a foaming liquid such as beer is stored in a bottle. 1A and 1B are explanatory drawings showing a container mouth, a cap shell, and a combination thereof, wherein FIG. 1A is a front view of the vicinity of a container mouth, here, a bottle mouth, and FIG. 1B is a cap shell before molding. (C) is a cross-sectional view of a state in which a bottle is covered with a cap shell and formed by a roller. FIG. 2 is an explanatory cross-sectional view of the vicinity of the bottle opening showing a cleaning state. FIG. 3 is a layout explanatory view schematically showing the layout of the apparatus from the filling of the container with the contained liquid to the capping.

The bottle 20 is a screw hole as shown in FIG. The bottle 20 viewed from above in FIG. 3 is indicated by a circle. The container placed on the filling machine inlet conveyor 1 shows only the bottle opening 20, but is successively sent in the direction of arrow A, and is sent to the filling machine 3 by the filling machine inlet starwheel 2 rotating as shown by arrow B. Can be In the filling machine 3, the stored liquid, in this case, beer, is successively filled from the bottle 20. Thereafter, in order to expel the air in the empty space remaining at the top of the bottle, the foam is forcibly foamed and the foam is removed from the bottle. Overflow. After being in this state, it is fed to the filling machine capper conveyor 5 by the filling machine outlet starwheel 4 rotating in the direction of arrow D. In the region S of the filling machine capper conveyor 5, the cap shell 30 before molding shown in FIG. 1 (b) is covered as shown in FIG. Presser 34 which moves the top of the container together with the bottle bottle along the filling machine capper conveyor 5.
Hold down by. Thereafter, as indicated by an arrow K in FIG. 2, the cleaning liquid flows through the gap at the lower end of the cap shell, and the adhering storage liquid around the bottle opening is cleaned. In this case, the sealing portion 31 is formed by the presser 34 on the top surface of the cap shell 30 so that the bottle 2 is closed.
Since it is in close contact with 0, the washing water does not enter the container. If a small hole (exhaust port) 30a shown in FIG. 2 is provided in the vicinity of the seal portion 31 of the cap shell 30, the cleaning liquid from the arrow K as shown by the arrow L can be discharged, so that cleaning can be effectively performed. This small hole is not shown in FIG. Note that the method of sealing the bottle opening 20 with the seal portion 31 is not limited to the above-described top surface holder 34.

The time required for the cleaning step in the area S is about 2 to 10 seconds. Incidentally, in the conventional method described above, the time required for the cleaning step is about 3 to 5 minutes.

The bottle with the cap shell 30 washed as described above is sent to a capping machine (capper) 7 rotating in the direction of arrow G by the capper inlet star wheel 6 rotating in the direction of arrow F. In the capper 7, the bottle 20 is sent while rotating,
As shown in FIG. 1C, the cap shell 30 is pushed by the threading roller 35 coming out from the lateral direction, and is pressed against the bottle 20 to form a screw. Similarly, the lower end of the cap shell 30 is pressed by a lock roller 36 coming out from the lateral direction and is fixed to the bottle opening 20. A dotted line 32 in FIG. 2 and FIG. 1C show a state after the cap shell 30 is formed. The bottle which has been capped by the capper 7 is placed on a capper outlet conveyor 9 which moves in the direction I by a capper outlet star wheel 8 rotating in the direction of arrow H, and sent to the packing process.

In the above embodiment, the placing of the cap shell 30 on the bottle 20 and the cleaning around the bottle 20 are shown in FIG.
Was performed in the area S of the capper 7, but in the area T of the capper 7.
If a mechanism for this step is provided, and the cap shell is subsequently formed by rollers, the moving range of the presser 34 is short and the mechanism can be simplified.

[0018]

As described above, according to the present invention, the cap shell is placed over the bottle bottle and pressed, and the cap shell is cleaned from the gap at the lower end before the cap shell is formed.
Washing of the container opening can be removed reliably and in a short time.

[Brief description of the drawings]

FIG. 1 is an explanatory drawing showing an embodiment of the present invention, showing a container port, a cap shell, and a combination thereof. (A) is a front view of the vicinity of a container mouth, here, a bottle mouth, (b) is a front view of a cap shell before molding, and (c) is formed by covering a bottle shell with a cap shell and molding by a roller. FIG.

FIG. 2 is an explanatory cross-sectional view of the vicinity of the bottle opening showing a cleaning state in the embodiment of FIG. 1;

FIG. 3 is a layout explanatory view schematically showing the layout of the apparatus from the filling of the container with the contained liquid to the capping for the embodiment of FIG. 1;

FIG. 4 is a longitudinal sectional view schematically showing a sectional view of a conventional container mouth, here, a vicinity of a bottle mouth.

[Explanation of symbols]

1. Filler inlet conveyor, 2 Filler inlet starwheel, 3 Filler, 4 Filler outlet starwheel, 5
Filler Capper Conveyor, 6 Capper Inlet Star Wheel, 7 Capper (Capping Machine), 8
Capper outlet star wheel, 9 Capper outlet conveyor, 20 Bottle mouth (container mouth), 30 Cap shell, 31 Seal part, 32 Cap shell shape after molding, 30a Exhaust outlet (Small hole), 35 Thread cutting roller, 36 Lock roller, S area, T area.

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Kazunori Ito 1-1 Namiki Motomachi, Kawaguchi City, Saitama Prefecture Sapporo Building Co., Ltd. Technical Center (72) Inventor Hirokuni Saegusa 1-1 Namiki Motomachi, Kawaguchi City, Saitama Prefecture Sapporovir Co., Ltd. Manufacturing Department Technical Center F-term (reference) 3E079 AA02 AB01 GG01

Claims (6)

[Claims] After the container is filled with the liquid, a cap shell having a seal portion is placed over the container opening of the container to seal the container opening. A method for cleaning a container opening, comprising: forming a cap shell in accordance with the container opening after flowing a cleaning liquid into the container and cleaning the container opening. 2. The container opening of the container is covered with the cap seal to seal the container opening, and the cap shell is pressed down on its top surface to maintain the container opening hermetically sealed. Item 6. The method for cleaning a container mouth according to Item 1. 3. The method according to claim 1, wherein the cap shell has an exhaust hole near a seal portion. 4. The method for cleaning a container opening according to claim 1, wherein the cleaning in which the cleaning liquid flows through a gap at a lower end of the cap shell is performed on a capping machine. 5. The method for cleaning a container opening according to claim 1, wherein the cleaning in which the cleaning liquid flows from a gap at a lower end of the cap shell is performed on a transfer device before the capping machine. 6. A means for covering a cap shell having a seal portion at a container opening of a container filled with a storage liquid, a means for maintaining a capped state of the cap shell, and a cleaning liquid through a gap at a lower end of the cap shell. A cleaning device for cleaning the container opening, wherein the cleaning device is provided with at least a means for flowing the cleaning liquid, and the cleaning liquid is flown to clean the container opening while the cap shell is kept covered.