JPH1061993A - Container conveying apparatus for closed chamber - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent deterioration of the internal and external environment of a closed chamber by blocking the leakage of a sterilization gas or the like and inclusion of germ polluted air into the closed chamber in a container conveying apparatus of the closed chamber. SOLUTION: Air blowoff devices 15 and 17 for blowing washing air to a carry-in port and a carry-out port respectively are arranged at the carry-in port and carry-out port through which a container is carried into or out of a closed germ-free chamber 11 for packing into the container 10 or crown sealing thereof while air suction devices 16 and 18 are provided to suck the washing air blown from the air suction devices 15 and 17 to form an air curtain in a container conveying path.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for filling a container with drinking water, food, or medicine, and for carrying the container into and out of a sealed aseptic chamber in which the container is filled. The present invention relates to a container transfer device for a closed chamber, which is used to prevent an external gas such as an inert gas or a sterile gas filled in an aseptic chamber from leaking outside and mixing external air into the sealed chamber.

[0002]

2. Description of the Related Art A sealed chamber is filled with an inert gas or a sterile gas to make it sterile, and the inside of the sealed chamber is filled with drinking water, food, chemicals, and the like in a conveyed container. An apparatus and a capping device for capping a filled container are provided. In this case, a carry-in port for carrying empty containers and a carry-out port for carrying out containers that have been filled and sealed are formed in the closed chamber. A partition is provided to prevent invasion of bacteria and leakage of an inert gas or a sterile gas filled in the closed chamber. A method using an air curtain as a method for partitioning the closed chamber is disclosed, for example, in Japanese Utility Model Laid-Open No. 50-50187.

FIG. 7 schematically shows a conventional container transfer device for a closed chamber described in “Method and Arrangement of Packing and Sealing of Packaging Container” in Japanese Utility Model Laid-Open Publication No. 50-50187.

[0006] As shown in FIG. 7, the endless belt 101 is driven to circulate to form a transport device.
The opening 102 is formed at a predetermined interval in the container 1
A holding unit that holds 03 is configured. A processing chamber 105 is formed by the belt 101 and the tunnel 104 by arranging a tunnel 104 at an intermediate portion of the transfer device (belt 101). Processing chamber 1 configured in this way
The tunnel 104 of 05 is provided with a sterilizing electron injection device 106 and a suction device 107 for sucking a pressure medium, and the tunnel 1
Partition devices 108 and 109 for forming an air curtain are provided at the entrance and exit of 04. Inside the processing chamber 105, a filling device 110 for filling the container 103 with an object and a sealing device 112 for sealing the container 103 with a cover member 111 are provided.

Accordingly, when the container 103 is supplied to the opening 102 of the belt 101 and the endless belt 101 is circulated by a driving device (not shown), the container 103 becomes a processing chamber 105 formed by the belt 101 and the tunnel 104. It is led to. In this processing chamber 105, germicidal electrons are injected from a germicidal electron injector 106, a pressure medium is sucked in by a suction device 107, and air curtains are provided by partitioning devices 108, 109 at the entrance and the exit of the tunnel 104. Is formed, the inside of the processing chamber 105 is maintained in an aseptic state. The filling device 110 fills the container 103 with the target object, and the sealing device 112 hermetically seals the container 103 with the cover member 111 for the container 103 sequentially loaded into the processing chamber 105. Thereafter, the container 103, which has been filled and sealed, is carried out of the tunnel 104 to the outside.

[0006]

However, the above-mentioned conventional closed-chamber container transfer apparatus has the following problems. That is, as a sterilizing electron by the sterilizing electron injection device 106 in the processing chamber 105, for example, carbon dioxide gas or nitrogen gas,
Alternatively, it is filled with a sterilizing gas or the like. Therefore, when the inside of the processing chamber 105 is at a positive pressure, the carbon dioxide gas, the nitrogen gas, the sterilizing gas and the like leak to the outside together with the air of the air curtains of the partitioning devices 108 and 109, which adversely affects the surrounding environment. There is a problem.

In the processing chamber 105, a pressure medium is sucked by the suction device 107. When the processing chamber 105 is at a negative pressure, external germ air enters the processing chamber 105 and carbon dioxide gas or nitrogen There is a problem that it is mixed into gas, sterilizing gas and the like. Further, since the partitioning devices 108 and 109 always form the air curtain, the cleaning air is always blown out, resulting in an increase in cost.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a sealed room in which leakage of sterilizing gas and the like and germ-free air are prevented from entering the sealed room to prevent deterioration of the sealed room and the outside environment. It is an object to provide a container transport device.

[0009]

According to the present invention, there is provided a container transporting apparatus for a closed chamber, which comprises the steps of: loading a container into a sealed sterile chamber for filling or capping the container; And in the container transfer device in a closed room to carry out,
An air blowing device for blowing cleaning air is provided at each of a carry-in port and a carry-out port of the aseptic chamber, and an air suction device for sucking the cleaning air blown from the air blowing device is provided. .

Therefore, at the entrance and exit of the sterile room,
The cleaning air is blown out by the air blowing device, and the blown cleaning air is sucked in by the air suction device, so that external leakage of sterilizing gas and the like from the closed chamber and mixing of germ-free air from outside into the closed chamber are performed. Will be blocked.

Further, in the container transfer device for a closed chamber according to the present invention, the air blowing device and the air suction device are provided to face each other with the carry-in port and the carry-out port interposed therebetween.

Therefore, the cleaning air blown out from the air blowing device toward the carry-in port and the carry-out port is reliably sucked by the air suction device located on the opposite side.

Further, in the container transfer device for a closed chamber according to the present invention, the air blowing device and the air suction device are provided side by side with the carry-in port and the carry-out port.

Therefore, the cleaning air blown from the air blowing device toward the carry-in port and the carry-out port is reliably sucked by the adjacent air suction device.

Further, in the container transfer device for a closed chamber according to the present invention, an air circulation device for circulating the air sucked by the air suction device back to the air blowing device is provided.

Therefore, the air sucked by the air suction device at the carry-in port and the carry-out port is returned to the air blowing device by the air circulation device and circulated.

Further, in the container transfer device for a closed chamber according to the present invention, the air circulation device is provided with an air filter or a sterilizing gas decomposing device.

Therefore, the air sucked by the air suction device at the carry-in port and the carry-out port is returned to the air blow-out device by the air circulation device. At this time, bacteria are removed by the air filter or the closed chamber is removed. The germicidal gas flowing out of the germ is decomposed by the germicidal gas decomposer, and sterile air is circulated.

Further, in the container transfer apparatus for a closed chamber according to the present invention, the air pressure of the air near the sterile chamber by the air blowing device and the air suction device at the loading port and the loading port is set high. It is a feature.

Therefore, the cleaning air flowing from the air blowing device to the air suction device at the carry-in and carry-out ports is set at a high air pressure on the side close to the sterile chamber so that when the container is carried into the closed chamber, The air pressure of the cleaning air gradually increases, and when the air is taken out of the closed chamber, the air pressure of the cleaning air gradually decreases, so that the transfer of the container is not adversely affected.

[0021]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a schematic perspective view of a container transfer device in a closed chamber according to a first embodiment of the present invention, FIG. 2 is a cross-sectional view of the vicinity of a carry-in port in the container transfer device in the closed chamber, and FIG. I
The II section is shown.

As shown in FIG. 1, in the container transfer apparatus for a closed chamber according to the present embodiment, the closed chamber 11 is formed in a box shape with its periphery partitioned by walls, and is provided with a window 12 for observing the inside. . One of the closed chambers 11 is provided with a container carry-in port (not shown), and the other is provided with a container carry-out port (not shown).
Is provided, and a carry-out conveyor 14 is provided from the inside of the closed chamber 11 to the outside through the container carry-out port. An air blow-out device 15 and an air suction device 16 are attached to the container carry-in port above and below the carry-in conveyor 13, and an air blow-out device 17 and an air suction device 18 are provided above and below the carry-out conveyor 14 at the container carry-out port. It is installed. Although not shown, the closed chamber 1
1 is provided with a gas generating and inhaling device for filling carbon dioxide gas, nitrogen gas, or sterilizing gas, etc., and a filling device for filling drinking water, food, medicine, etc. into the container 10 and a container 10 filled with the same. A capping device for capping is provided.

Therefore, the closed chamber 11 is filled with a carbon dioxide gas, a nitrogen gas, a sterilizing gas or the like by a gas generating / suctioning device.
Is carried into the closed chamber 11 from the carry-in port. Then, drinking water, food,
The container 10 filled and filled with a chemical or the like is sealed, and then the filled and sealed container 10 is carried out of the carry-out port by the carry-out conveyor 14 to the outside. At this time,
At the container entrance, the air blowing device 15 and the air suction device 16
The air curtain is formed by the air blowing device 17 and the air suction device 18 at the container carry-out port. The air curtain is formed by the leakage of the sterilizing gas or the like filled in the closed chamber 11 or the outside into the closed chamber 11. Of germ-free air.

Here, the air blowing devices 15 and 17 and the air suction devices 16 and 18 will be described in detail. The air blowing devices 15 and 17 and the air suction devices 16 and 18 have substantially the same structure. Only the air blowing device 15 and the air suction device 16 provided at the container entrance will be described.

As shown in FIGS. 2 and 3, a box-shaped frame 21 of the unloading conveyor 14 is provided at the front of the closed chamber 11 so as to penetrate the container inlet 11a.
The container 10 is moved on the frame 21 by the carry-in conveyor 13. Above the frame 21, an upper housing 22 of the air blowing device 15 is provided so as to surround the movable container 10. That is, the upper housing 22 is formed in a box shape whose lower part is opened by the front plate 22a, the upper plate 22b, the rear plate 22c, and the side plates 22d and 22e, and the side formed at the rear of each side plate 22d and 22e. It is fixed to the closed chamber 11 by a plurality of bolts 23 via the partial flange plates 22f and 22g.

The upper housing 22 thus formed
A plurality of fixed partitioning plates 24 are mounted in parallel in the container transport direction (the left-right direction in FIG. 2) at equal intervals, and a pivoting partitioning plate is mounted on the upper end of each fixed partitioning plate 24 by a hinge 25. 26 are connected, and are fixed at predetermined rotation positions by bolts 27. The upper surface plate 22b of the upper housing 22 is inclined downward along the rear of the container in the container transport direction (left direction in FIG. 2), and the clearance between the upper surface plate 22b and the tip of the rotary partition plate 25 increases in the same direction. It is getting smaller. In addition, each fixed partition plate 24 has a container 10
Is formed, through which an opening 24a is formed.
A pair of left and right guide bars 28a, 28b are attached to both sides of the container 10a.
It moves while being guided by b.

The upper plate 22b of the upper housing 22
A ventilation duct 29 is provided at a position adjacent to the closed chamber 11, and a rectifying plate 30 is mounted in the ventilation duct 29. The air duct 29 is connected to a distal end of an air duct 31, and a blower 32 is attached to a base end of the air duct 31.

On the other hand, a lower housing 33 of the air suction device 16 is provided below the frame 21 so as to surround the frame 21 so as to face the upper housing 22 of the air blowing device 15. That is, the lower housing 33 is formed in a box shape having an upper opening by the front plate 33a, the lower plate 33b, the rear plate 33c, and the side plates 33d, 33e, and the upper portion formed above the side plates 33d, 33e. The flange plates 33f and 33g are used for the upper housing 22.
And is connected by a plurality of bolts 34 in close contact with the lower flange plates 22h and 22i.

The lower housing 33 thus formed
A plurality of fixed partition plates 35 are mounted in parallel in the container conveying direction (horizontal direction in FIG. 2) at equal intervals in the same manner as the fixed partition plates 24 in the upper housing 22. , 26, 35 form a plurality of air passages that cross the transport path of the container 10.
Further, a suction pipe 37 is connected to the lower surface plate 33b of the lower housing 33 via a plurality of connection pipes 36 so as to communicate with the respective air passages partitioned by the respective partition plates 24, 26, and 35. The pipe 37 is connected to a gas decomposer 39 (for example, an ozone decomposer) via a blower pipe 38, and the gas decomposer 39 is connected to the above-described blower 32 via a blower pipe 40. The air blown from the air blower 15 across the carry-in conveyor 13 is sucked by the air suction device 16, and the air blowers 31,
The air circulation path is formed by returning the air to the air blowing device 15 again by the blowers 38 and 40 and the blower 32.

Here, the operation of the air blowing device 15 and the air suction device 16 will be described.

The washed container 10 is loaded into the carry-in conveyor 1.
3 to the closed chamber 11.
Then, a sterilizing gas (for example,
O ₃ gas) at a constant pressure (eg, slightly higher than atmospheric pressure)
Supplied and sterilized. Further, the air blowing device 15 and the air suction device 16 are operated, and the carry-in conveyor 1 is operated.
A large number of air curtains are formed so as to traverse the transport path of the container 10 transported by 3.

That is, the cleaning air blown from the blower 32 to the blow duct 29 through the blower tube 31 is rectified by the rectifying plate 30 and guided into the upper housing 22. The cleaning air introduced into the upper housing 22 is distributed by the partition plate 26 and flows through the air passages partitioned by the fixed partition plates 24 and 35. At this time, since the upper surface plate 22b of the upper housing 22 is inclined and the gap between the upper surface plate 22b on the entrance side of the container 10 and the tip of the rotary partition plate 25 is narrowed, each air in the upper housing 22 is reduced. The air pressure of the cleaning air flowing through the passage is set so that the pressure on the closed chamber 11 side is higher than the inlet side of the container 10.

Then, the cleaning air passing through each air passage flows through each connection pipe 36 to the suction pipe 37, and further flows through the blow pipe 38 to the gas decomposition device 39. Here, the sterilizing gas or the like flowing out of the closed chamber 11 into the cleaning air is decomposed, and returns to the blower 32 through the blower tube 40. As described above, the cleaning air is sent from the blower 32 to the air duct 29 of the air blowing device 15, and the container 10 is disposed in each of the housings 22 and 33.
Is formed, and is returned to the blower 32 again by the air suction device 16 and constantly circulates.

In this operating state, when the container 10 is moved by the carry-in conveyor 13 and reaches each of the housings 22 and 33, each container 10 is moved to the left and right guide bars 28a and 28.
It passes through each housing 22, 33 while being guided by b. At this time, an air curtain is formed by the air blowing device 15 and the air suction device 16 across the transport path of the container 10 so that the outside air does not enter the closed chamber 11 together with the container 10. . Further, as described above, the closed chamber 11 is supplied with the sterilizing gas at a pressure slightly higher than the atmospheric pressure, and is filled with the sterilizing gas.
The germicidal gas leaked from the container entrance 11a flows into the gas decomposer 39 through the blower pipe 38 together with the cleaning gas flowing in the housings 22, 33, where the germicidal gas and the like are decomposed. As a result, it does not leak to the outside of the housings 22 and 33 and pollute the atmosphere.

Therefore, a plurality of containers 11 carried through the housings 22 and 33 and carried into the closed chamber 11 by the carry-in conveyor 13 are filled with drinking water, food, and medicine by the filling device. Further, the filled container 10 is sealed by a capping device. As shown in FIG. 1, the conveyed conveyor 14 conveys the container through the above-described container discharge port to the outside.
Intrusion of external air into the closed chamber 11 and external leakage of the sterilizing gas in the closed chamber 11 are prevented.

When the container 10 is carried into the closed chamber 11 through the air blowing device 15 and the air suction device 16,
The air pressure of the cleaning air flowing through each air passage in the upper housing 22 is set such that the pressure in the closed chamber 11 is higher than the inlet side of the container 10. By the time it is carried into the container 11, the air pressure of the cleaning air will gradually increase,
0 is a stable state and does not adversely affect the carry-in. On the other hand, when the container 10 is carried out of the closed chamber 11 through the air blowing device 17 and the air suction device 18,
The air pressure of the cleaning air is set in the closed chamber 1 with respect to the outlet side of the container 10.
The first side is set to be higher, and when the container 10 is carried out of the closed chamber 11, the wind pressure of the cleaning air gradually decreases, and the container 10 is maintained in a stable state, which has an adverse effect on the carrying out. Will not give.

In the above-described embodiment, the cleaning air is sent from the blower 32 to the air duct 29 of the air blowing device 15 to form an air curtain that traverses the transport path of the container 10 in each of the housings 22 and 33. The gas is returned to the blower 32 again by the suction device 16 and is circulated and transferred. However, the gas decomposition device 39 may decompose the sterilizing gas or the like and then open the air to the atmosphere. Further, in the present embodiment, the container 10 is filled and sealed in the sealed chamber 11, but two sealed chambers may be provided separately, and in this case, the air pressure of the cleaning air is reduced by the container 10 By raising the closed chamber 11 side with respect to the inlet side of the container, the air pressure gradually increases with respect to the container for which the capping operation has not been completed, so that the ejection of the internal filling such as liquid from the container is suppressed. be able to.

FIG. 4 is a schematic perspective view of a container transfer device in a closed chamber according to a second embodiment of the present invention, FIG. 5 is a cross-sectional view of the vicinity of the entrance of the container transfer device in the closed chamber, and FIG. VI
3 shows a cross section.

In the container transfer apparatus for a closed chamber of the present embodiment, the configuration of the carry-in side and the carry-out side of the closed chamber is almost the same, and only the carry-in side will be described below.

In this embodiment, as shown in FIGS. 4 to 6, a container carrying port 51a is provided in one of the sealed chambers 51, and a box of the carrying-out conveyor 52 is penetrated through the container carrying port 11a. A container 53 is provided in the form of a frame 53 by a carry-in conveyor 52.
3 above. Above the frame 53, an air blowing device 54 and an air suction device 55 are provided. That is, the housing 56 is provided so as to surround the moving container 10, and the housing 56 includes a front plate 56a, an upper plate 56b, a rear plate 56c, and each side plate 56c.
d, 56e and a rear face plate 56f to form a box with a lower part opening, and a plurality of bolts 57 through a side flange plate 56g, 56h formed at the rear of each side face plate 56d, 56e to the sealed chamber 51. Fixed.

In the housing 56 thus formed, a pair of fixed partition plates 58a, 58b are arranged in parallel in the front and rear directions in the container transport direction (horizontal direction in FIG. 5).
The fixed partition plates 58a and 58b are formed with openings 58c through which the container 10 can pass. The front plate 56a of the housing 56 and the rear plate 5
6c, a pair of left and right guide bars 59a, 59b are attached, and the container 10 is provided with the guide bars 59a, 59b.
It moves while being guided by b. Therefore, a pair of front and rear fixed partition plates 58a, 5
By 8b, three air passages A ₁ , A ₂ , A ₃ communicating with the transport path of the container 10 are formed.

A pair of upper and lower rectifying plates 60 are provided between the upper ends of the pair of partition plates 58a and 58b in the housing 56.
a and 60b are attached. An air filter and a gas decomposing device 61 are mounted between the 60a and 60b, and the gas decomposing device 39 is connected to the above-described blower 32 through a blower tube 40. The side plates 56d and 56e of the housing 56 are provided with opening / closing lids 62a and 62b that can replace the air filter and the gas decomposition device 61. An electric motor 63 is mounted on an upper portion of the housing 56, and a drive shaft 64 of the electric motor 63 extends downward through the inside of the mantle tube 65, and a fan 66 is attached to a distal end portion. This mantle tube 65 has an upper end fixed to an upper portion of the housing 56, a lower portion penetrating the rectifying plates 60 a and 60 b, the air filter and the gas decomposer 61, and
6 is positioned in the air passage A _1. In this case, the current plate 6
Oa and 60b and the air filter and the gas decomposing device 61 are divided into right and left by a partition plate 67 so as not to contact the outer tube 65.

As described above, the partition plate 5
8a, 58b, three air passages A ₁ , A ₂ , A ₃ communicating with the container conveying path of the carry-in conveyor 53 are formed, a motor 63 is mounted on the housing 56, and a fan 66 is located on the air passage A _1. be to, air-blowing device 54 and to the air suction device 55 configuration, reaches from the air passage a ₁ by the rotation of the fan 66 through the upper portion of the housing 56 to the air passages a _2, a _3, further from the container transport path forming an air circulation path back to the air passage a _1.

Here, the operation of the air blowing device 54 and the air suction device 56 will be described.

The container 10 having been washed is loaded into the carry-in conveyor 5.
3 to the closed chamber 51.
Then, sterilizing gas (for example,
O ₃ gas) at a constant pressure (eg, slightly higher than atmospheric pressure)
Supplied and sterilized. Further, the air blowing device 54 and the air suction device 55 are operated, and the carry-in conveyor 5 is operated.
An air curtain is formed so as to cross the conveyance path of the container 10 conveyed by 3.

That is, the electric motor 63 is driven to drive the fan 66
Rotate and inhale the air in the transport path of the container 10 upward
Air passage A₁The inside is made to flow upward, and the current plate 60a,
60b and the air filter and gas decomposer 61
You. The cleaning air is rectified by the rectifying plates 60A and 60B.
And in the air filter and gas decomposition device 61
Bacteria are removed and sterilization flows out of the sealed chamber 51
Gases and the like are decomposed. And the cleaning air that passed here
Are the respective air passages A from the top of the housing 56._Two, A _ThreeFlow
This air passage A_Two, A_ThreeFlows downward through
Blows out to the transport path of the container 10 to form an air curtain
You. Thus, the cleaning air is supplied to the container 10 by the fan 66.
To the air path A₁Flow upward through the
And the air passage A_Two, A_ThreeFlowing down through the container 1
0 to form an air curtain.
And air passage A₁It is inhaled and constantly circulates.

In such an operating state, when the containers 10 move by the carry-in conveyor 53 and reach the inside of the housing 56, the containers 10 pass through the inside of the housing 56 while being guided by the left and right guide bars 59a and 59b. At this time, an air curtain is formed in the transport path of the container 10, and external air is supplied to the closed chamber 51 together with the container 10.
Do not invade. Further, as described above, the sterilizing gas is supplied and filled in the closed chamber 51 at a pressure slightly higher than the atmospheric pressure, and there is a possibility that the sterilizing gas leaks from the container entrance 51a. with cleaning gas flowing the transport path of the containers 10 is sucked into the air passage a ₁ flows to the gas decomposition apparatus 61, wherein the sterilizing gas or the like become to be decomposed, contaminates the air leaks to the outside of the housing 56 Never.

In each of the above embodiments, the container 10 was filled and sealed with drinking water, food, and chemicals while the sealed chambers 11 and 51 were filled with the sterilizing gas. , 51 can be filled with an oxygen-free gas such as nitrogen gas or carbon dioxide gas to prevent oxidation of products.

[0050]

As has been described in detail in the above embodiments, according to the container transporting apparatus for a closed chamber of the present invention, the container is filled in a sealed sterile chamber for filling or capping. An air blowing device for blowing the cleaning air is provided at each of the loading and unloading ports for loading and unloading the air, and an air suction device for sucking the cleaning air blown from the air blowing device is provided. And at the carry-out port, the cleaning air is blown out, and the blown-out cleaning air is suctioned to form an air curtain, and external leakage of sterilizing gas or the like from the closed chamber and external leakage to the closed chamber. It is possible to prevent mixing of germ-free air and prevent deterioration of the closed room and the outside environment.

Further, according to the container transfer device for a closed chamber of the present invention, since the air blowing device and the air suction device are provided opposite to each other with the loading port and the loading port interposed therebetween, the loading port and the loading port are provided from the air blowing device. The cleaning air blown out toward is reliably sucked by the air suction device located on the opposite side, so that the air curtain can be effectively formed.

Further, according to the container transfer device for a closed chamber of the present invention, the air blowing device and the air suction device are provided side by side with the carry-in port and the carry-out port, so that the carry-in and carry-out ports are provided from the air blow-off device. The cleaning air blown out toward is reliably sucked by the adjacent air suction device, and the device can be made compact.

Further, according to the container transfer device for a closed chamber of the present invention, since the air circulating device for circulating the air sucked by the air suction device back to the air blowing device is provided, the cleaning air is constantly circulated. Thus, the intrusion of air from outside and the leakage of air inside can be reliably prevented.

Further, according to the container transfer device of the closed chamber of the present invention, the air circulating device is provided with the air filter or the sterilizing gas decomposing device. The circulating device returns the air to the air blowing device.At this time, the cleaning air is filtered by an air filter to remove germs, or the sterilizing gas flowing out of the closed chamber is decomposed by the sterilizing gas decomposing device. Can be circulated well.

According to the closed-chamber container transfer device of the present invention, the air pressure at the side near the sterile chamber by the air blowing device and the air suction device at the carry-in and carry-out ports is set high, so that the container can be used. The air pressure of the cleaning air gradually increases when it is carried into the closed chamber, and the air pressure of the cleaning air gradually decreases when it is carried out of the closed chamber. can do.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a container transfer device for a closed chamber according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of the vicinity of a carry-in port of the container transfer device in the closed chamber.

FIG. 3 is a sectional view taken along the line III-III of FIG. 2;

FIG. 4 is a schematic perspective view of a container transfer device for a closed chamber according to a second embodiment of the present invention.

FIG. 5 is a cross-sectional view of the vicinity of a carry-in port in the container transfer device in the closed chamber.

FIG. 6 is a sectional view taken along line VI-VI of FIG.

FIG. 7 is a schematic view of a conventional container transfer device for a closed chamber.

[Explanation of symbols]

REFERENCE SIGNS LIST 10 container 11 closed chamber 13 carry-in conveyor 14 carry-out conveyor 15, 17 air blow-out device 16, 18 air suction device 22 upper housing 24 fixed partition plate 26 rotating partition plate 29 blow duct 31, air blow device (air circulation device) Reference Signs List 32 blower 33 lower housing 35 fixed partition plate 37 suction pipe 39 gas decomposition device 51 sealed chamber 53 carry-in conveyor 54 air blow-out device 55 air suction device 56 housing 58a, 58b fixed partition plate 61 air filter and gas decomposition device 63 electric motor 66 fan A _1, A _2, A ₃ air passage (air circulation device)

Claims (6)

[Claims] 1. A container transfer device for a sealed room for loading and unloading the container into and out of a sealed sterile room for filling or capping the container, wherein each of the inlet and outlet of the sterile room is provided. An air blowing device for blowing out cleaning air, and an air suction device for sucking the cleaning air blown from the air blowing device. 2. The closed-chamber container transfer device according to claim 1, wherein the air blowing device and the air suction device are provided to face each other with the carry-in port and the carry-out port interposed therebetween. Container transport device. 3. The closed-chamber container transfer device according to claim 1, wherein the air blowing device and the air suction device are provided side by side with the carry-in port and the carry-out port. Container transport device. 4. The closed-chamber container transfer device according to claim 1, further comprising an air circulation device that circulates the air sucked by the air suction device back to the air blowing device. Container transport device. 5. The container transfer device for a closed room according to claim 4, wherein the air circulation device is provided with an air filter or a sterilizing gas decomposition device. 6. The closed-chamber container transfer device according to claim 1, wherein the air pressure at the side near the sterile chamber by the air blowing device and the air suction device at the carry-in and carry-out ports is set high. A container transfer device for a closed chamber, characterized in that: