JPH01226570A - Bag for fluid and its aseptic filling method - Google Patents

Abstract

PURPOSE:To easily discharge contents in keeping close seal and asepsis, by providing a rotary member which is rotatably inserted in a cock body and providing an expected opening to connect the inside of a broken bag to a discharge outlet of the cock body. CONSTITUTION:A cock comprising a cock body 15 and a rotary member 21 serves as an overcap and hence a bag filled with a fluid is excellent in seal. When the fluid is discharged, the rotary member 21 is turned to lower the taper part 25 and to break the sealed film 17 of the sealed cap 5. Further the discharge outlet 19 of the cock body 15 is brought to correspond to the discharge outlet 27 of the rotary member 21. The liquid within the bag is discharged from the discharge outlets 19, 27 through liquid outlets 9, 26 of both the sealed cap 5 and the rotary member 21 and the inside thereof. After discharge, the discharge outlet 27 is sealed with revolution of the rotary member 21. Therefore, there is no necessity to replace the sealed cap with the cock and hence it is practical. The cock serves as an overcap.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a liquid bag in which a cock and a sealing cap are attached to a spout, and a method for aseptically filling the bag with liquid.

<Prior art> Conventionally, containers for containing beverages such as milk and syrup that are susceptible to deterioration when exposed to air have been made by placing an inner bag made of plastic film for containing liquid in an outer box made of cardboard or the like. So-called R, ■, and B containers, which have a heavy structure, are known.

Such B, 1. In B, a spout is used to pour in and out a predetermined liquid.

One end of the spout is fixed to the opening of the bag, and the opening at the other end is closed with a cap.

<Problems to be Solved by the Invention> By the way, a cock may be attached to the above-mentioned spout to facilitate pouring.

In this case, there is a problem in that it takes time and effort to remove the camp from the spout and attach the cock.

Therefore, a spout with a cock installed in advance may be considered. However, it is difficult to maintain sterility with this cook;
The problem of how to maintain this sterility must be solved.

The present invention aims to solve the above problem.

<Means for Solving the Problems> The present invention has been made to solve the above problems.
A bag body having an opening, a spout body attached to the opening, a sealed camp inserted and fixed into the spout body and having a breakable opening portion for communicating with the bag body, and the sealed camp. A cock body is attached to the camp and has a spout, and the cock body is rotatably inserted into the cock body to break the opening portion, and after the opening opening portion is broken, the inside of the bag and the cock body are poured. A liquid bag characterized by comprising a rotating member communicating with an outlet.

Also, store the liquid bag in a sterile room, remove the cock and sealing cap in sequence, fit the filling nozzle to the spout to fill the liquid, and pour the liquid into the bag to which the sealing cap and cock are sequentially attached. This is an aseptic filling method, and is characterized in that the removal and attachment of the cock is performed in a separate room formed within a sterile room.

<Function> The liquid bag of the present invention is attached to the spout in combination with a sealing cap having a pre-breakable opening portion and a cock (consisting of a cock body and a rotating member), so that sealing performance is ensured. Retained. Further, when the rotating member of the cock is rotated, the opening portion is broken, and the inside of the bag communicates with the spout of the cock body, allowing the content liquid to be poured out.

<Example> The present invention will be explained in detail using an example. In the figure, (1) is a bag body, and the bag body (1) has an opening (2), and the annular spout body (3) is attached to the lower flange (4) in the opening (2). ) is attached by fixing it. Above the spout body (3), insert into this,
A protrusion (for fitting the sealing cap (5) to be fixed)
6), which has a step (7) on its inner surface. In addition, there are flanges (8a) (8b) on the sides.
(8c) is provided. Said sealing cap (5)
consists of a concave camp body 011D having a liquid spout hole (9) at the bottom, a flange (11) provided around the upper end of the camp body GO), and the flange having a protrusion (12) projecting inward. It consists of a side wall (13) provided on the lower surface, and the protrusion (12) is connected to the protrusion (6) of the spout main body (3).
) can be mated with.

Further, the outer surface of the cap body 00) is provided with a sealing rib (14) that comes into contact with the step (7) of the spout body (3), and the one direction surface is provided with a sealing rib (14) that is inserted into the cap body θω. groove for fixing the cock body (15)
16) is provided. In addition, the liquid pouring hole (9)
is sealed with a sealing film (17).

Note that the liquid pouring hole (9) may be formed in a thin and breakable sealed manner.

The cock body (15) has a cylindrical shape, and a rib (18) is provided on its lower outer surface to fit into and seal the groove (16) of the sealing cap (5). Further, it has a spout (19) above the side portion, and a flange (20) is provided around the approximately center thereof. Furthermore, a rotating member (2z) inserted into the cock body (15) is provided at its upper end.
A rib (22) is provided for rotatably attaching the. The rotating member (2,' 1) has a ceiling wall (24) extending above the cylindrical body (23).
1. At the bottom thereof, there is a tapered part (25) with a sharp tip, and when rotated, the sealing film (17) of the sealing cap (5) can be broken by the taper part (25). A liquid spouting hole (26) communicating with the inside of the broken rear body (1) is formed in the tapered part (25). Above the cylindrical body (23) is the cock body (
15), and has a spout (27) that can be aligned with
The top wall (24) is provided with a groove (24) on the inner surface via a connecting wall (28) that fits into the rib (22) of the cock body (15).
29) is provided with a predetermined gap (corresponding to the thickness of the cock body) from the cylindrical body (23), and a rotating member (21) is attached to the cock body (15). At this time, the upper part of the cock body (15) is connected to the cylindrical body (
23) and the side wall (30), and the lip (22) and the groove (29) fit together, making it rotatable.

In the bag filled with liquid and configured as described above, the cock consisting of the cock body (15) and the rotating member (21) serves as an overcap, and has excellent sealing performance. In addition, when dispensing liquid, rotate the rotating member (21) to lower the taper part (25), break the sealing film (17) of the sealing cap (5), and release the cock body (15). spout (
19) and the spout (27) of the rotating member (21). Thereby, the liquid inside the bag can be removed by the sealing cap (5).
The liquid spout hole (9) of the rotating member (21), the liquid spout hole (9) of the rotating member (21)
26), and a spout (21) passing through the rotating member (21).
19) and (27). After pouring, the rotating member (21) is rotated to seal the spout (27).

Next, a method for filling liquid into the liquid bag of the present invention will be explained.

The bag configured as described above is filled with liquid in a sterile room.

As shown in FIG. 2, the sterile chamber (31) has a small chamber (32) for attaching and detaching the cock, and a main chamber (33) for attaching and detaching the sealing cap (5) and filling with liquid.

First, after the bag is sterilized by Hiiragi, it is placed inside the sterile room (31)'/;
Store it in. The bag has its spout body (3) held by a spout holder (34), and the bag has a spout body (3) held by a spout holder (34).
move inward. Then, the cock (consisting of a cock body and a rotating member) is removed from the sealing cap (5) by the cock detaching unit (36) operated by the air cylinder (35). Thereafter, the spout holder (34) was moved in a sterile atmosphere, and the bag that had been released from the cock was removed from the main character (33).
) move inside. Then, the sealing cap (5) is removed from the spout body (3) by the sealing cap detaching unit (38) operated by the air cylinder (37). After that, the entire sterile room (31) rises and the main body of the subout (3)
The filling nozzle (39) is fitted to start filling the liquid.

After the filling is completed, the entire sterile chamber (31) is lowered and the spout main body (3) is removed from the filling nozzle (39). Then, the sealing cap (5) is installed by the sealing cap detachment unit (38).
) is attached to the spout body (3). Sealing cap (
5) is moved into the small chamber (32) again by movement of the spout holder (34). The cock is then attached to the sealing cap (5) by the cock detaching unit (36). After that, remove the spout body (3) from the spout holder (34) and place the bag in the sterile room (3).
1) and filling is completed.

When filling with the above method, the cock acts as an overcap, and the process of attaching and removing the cock and the process of attaching and removing the sealing cap and filling are performed in separate chambers, so that secondary contamination can be prevented. Further, since the sealing cap and the stopcock are attached in a sterile room, the work efficiency is high, and since the stopcock serves as an overcap, the sealing performance and the sterility inside the bag are maintained.

<Effects of the Invention> The liquid bag of the present invention is equipped with a combination of a sealing cap having a breakable opening portion and a cock (consisting of a cock body and a rotating member) on a spout body, and the cock is rotated easily. Just by rotating the movable member, the planned opening part is broken and the liquid can be poured out, so there is no need to replace the sealing cap and cock as in the past (this is practical and Since the cock acts as an overcap, sealing and sterility can be maintained.

In addition, in the filling method of the present invention, the process of attaching and removing the cock and the process of attaching and detaching the sealing cap and filling are performed in separate chambers, so there is no risk of secondary contamination, and the attachment of the cock as well as the sealing cap is sterile. Work efficiency is high because it is done indoors.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a cross-sectional view thereof, and FIG. 2 is a schematic view of an apparatus used for filling.

Claims (1)

[Claims] 1) A bag body having an opening, a spout body attached to the opening, and a spout body inserted and fixed within the spout body,
and a sealing cap having a rupturable opening portion for communication with the bag body, a cock body attached to the sealing cap and having a spout, and a cock body inside the cock body for rupturing the opening opening portion. A liquid bag characterized by comprising a rotatable member that is rotatably inserted and connects the bag body and the spout of the cock body after breaking the opening portion. 2) Store a bag with a spout with a cock and a sealing cap attached to the opening in a sterile chamber, remove the cock and sealing cap one by one, fit a filling nozzle to the spout to fill the bag with liquid, and fill the bag with liquid. A method for aseptically filling a bag with liquid into a bag by sequentially attaching a sealing cap and a cock, the method comprising removing and installing the cock in a separate room formed within a sterile chamber.