JP5197546B2 - Powder supply apparatus and powder supply method - Google Patents

Description

  The present invention is an apparatus for supplying powder from one container to another container while preventing the powder from scattering to the surroundings in the manufacturing field of fine chemicals, foods, drug substance intermediates, pharmaceuticals, etc. And a supply method thereof.

  In the fields of fine chemicals and pharmaceuticals, powders are sometimes handled as raw materials at the manufacturing site, but some powders are harmful to the human body, including highly pharmacologically active powders. It is necessary to ensure the safety of workers who handle In addition, there are powders that are dissolved by moisture, and when such powders are scattered at the work site, the working environment is deteriorated such that the floor gets wet. Furthermore, there are powders having a property of disabling oxygen, and in this case, it is necessary to transport the powder without touching the atmosphere. Therefore, it is widely performed to prevent the powder from being scattered by a so-called containment technique (see, for example, Patent Document 1).

In recent years, as a part of reducing the equipment cost of containment equipment, a technique for carrying out containment using a cylindrical member formed of a plastic film (for example, polyethylene) has been proposed.
In Patent Document 2, a metal cylinder for receiving the powder pressure to be transferred, and an opening is provided in a side portion of the metal cylinder to treat the remaining cylindrical member, and the opening is covered with the cylindrical member. There has been proposed an apparatus for transferring powder using a pressing metal fitting for preventing a cylindrical member from being detached from a metal cylinder during powder transfer. In this case, the powder passes through the metal cylindrical box, and the powder is opened inside the box and the powder contacts the inner surface, so thorough cleaning inside the cylinder is necessary. . In addition, a cylindrical member is attached to the powder passage opening provided in the lower part or the upper part of the metal cylinder, but the cylindrical member is brought into close contact with the metal cylinder so that the cylindrical member is not detached by the flow of the powder. A fixing ring is required, and the fixing ring is relatively large and requires a space for operation around the apparatus.

JP 2001-327873 A JP 2008-143712 A

In the present invention, the powder is taken out from the fixed powder processing equipment and transferred to another mobile container while preventing the powder from being scattered to the surroundings, or the powder is fixed from the mobile container. It is an object of the present invention to provide a powder supply apparatus and a powder supply method that are suitable for use in a powder processing facility.
Specifically, the powder feeding device and the powder that transfer the powder inside the cylindrical member and prevent the powder from scattering to the entire inside of the apparatus, thereby reducing the necessary cleaning parts inside the apparatus as much as possible. It is an object to provide a body supply method. It is another object of the present invention to provide a powder supply apparatus and a powder supply method that do not use a complicated method for attaching and detaching the cylindrical member.

  As a result of intensive studies on the above problems, the inventor of the present invention uses a double cylindrical member for the powder introduction part or the lead-out part, and allows the powder supply apparatus to attach and detach the cylindrical member from the outside. It is found that the above-mentioned problem can be solved by providing a part and having a specific structure operated by the operation part, and attaching and detaching the cylindrical member between the powder introduction pipe and the powder lead-out pipe. It was made based on.

That is, the present invention
<1> A powder supply apparatus for supplying powder stored in one container to the other container,
(A) a powder introduction tube is provided through the upper wall of the device;
(B) A powder lead-out tube provided through the lower wall of the device is connected to the inside of the device via the powder introduction tube and a cylindrical member (a), and the powder is led out outside the device. A powder outlet tube is provided so as to provide a cylindrical member (b) covering the opening of the tube;
(C) An operation unit that enables the tubular member (a) to be attached and detached from the outside is provided on the side wall of the device,
(D) Connection means that is detachable from the outside of the apparatus by being operated by the operation portion between the cylindrical member (a) and the powder introduction pipe and the powder lead-out pipe is provided. A powder supply device,
<2> A connecting means provided between the cylindrical member (a) and the powder introduction tube and the powder outlet tube is configured to fit the cylindrical member (a) by fitting the inner ring and the outer ring. The powder supply apparatus according to <1>, wherein the powder supply apparatus is sandwiched between the inner ring and the outer ring,
<3> The powder supply device according to <1> or <2>, wherein a storage unit for storing the used tubular member (b) is provided on a side wall portion facing the operation unit.
<4> A powder supply method for supplying powder stored in one container to the other container,
(E) The cylindrical member (a) is connected so as to cover the opening of the powder introduction tube and the opening of the powder outlet tube inside the powder supply apparatus according to any one of <1> to <3>. And connecting the opening of the bag-like member so as to cover the opening of the powder outlet tube outside the powder supply device or the opening of the powder introduction tube,
(F1) An opening or powder introduction tube opening of the powder outlet tube outside the powder supply device and a powder introduction tube opening or powder outlet tube outside the other container so as to cover the bag-like member Connecting the opening with the tubular member (b);
(G) One end or both ends of the cylindrical member (a) connected to the powder outlet tube opening and / or the powder inlet tube opening are removed, the bag member is removed, and the bag member is stored. The process of storing in,
(H) a step of reconnecting one end or both ends of the removed tubular member (a) to the powder outlet tube opening or the powder inlet tube opening,
(I) a step of supplying the powder stored in one container to the other container via the cylindrical member (a) connected in the powder supply device;
A powder supply method for supplying the powder stored in one container to the other bag-shaped container,
(E) The cylindrical member (a) is connected so as to cover the powder inlet tube opening and the powder outlet tube opening in the powder supply apparatus according to any one of <1> to <3>, Connecting the opening of the bag-like member so as to cover the opening of the powder outlet tube outside the powder supply device or the opening of the powder introduction tube;
(F2) connecting the opening of the powder outlet tube or the opening of the powder introduction tube outside the powder supply device and the opening of the other bag-like container so as to cover the bag-like member;
(G) One end or both ends of the cylindrical member (a) connected to the opening of the powder lead-out tube and / or the opening of the powder introduction tube are removed, the bag-shaped member is removed, and the bag-shaped member is removed. The process of storing in the storage unit,
(H) a step of reconnecting one end or both ends of the removed cylindrical member (a) to the opening of the powder outlet tube or the opening of the powder introduction tube;
(I) a step of supplying the powder stored in one container to the other bag-like container via the cylindrical member (a) connected in the powder supply device;
Including powder supply method,
Is to provide.

According to the powder supply device and the powder supply method of the present invention, the powder introduction tube and the powder discharge tube are connected inside the device via the cylindrical member, and the powder is transferred inside the device. There is no need to clean the entire inside of the powder feeder.
Further, since the connection between the cylindrical member and the powder introduction tube or the powder outlet tube is performed by an operation unit that enables the cylindrical member to be attached and detached from the outside, the operability is excellent.
Furthermore, since the powder introduction tube or the powder lead-out tube protruding outside the powder supply device is securely connected to another container via another cylindrical member by means that is easy to attach and detach, There is no leakage outside the equipment.

It is sectional drawing which shows the powder supply apparatus of preferable embodiment of this invention with which one container in which the powder was accommodated was directly connected to the upper part. It is sectional drawing which shows preferable one Embodiment of the powder supply method which transfers powder from the one container in which the powder was accommodated to the other container via the powder supply apparatus of FIG. It is sectional drawing which shows preferable one Embodiment of the powder supply method which transfers powder from the one container in which the powder was accommodated to the other container via the powder supply apparatus of FIG. It is sectional drawing which shows preferable one Embodiment of the powder supply method which transfers powder from the one container in which the powder was accommodated to the other container via the powder supply apparatus of FIG. It is sectional drawing which shows preferable one Embodiment of the powder supply method which transfers powder from the one container in which the powder was accommodated to the other container via the powder supply apparatus of FIG. It is sectional drawing which shows preferable one Embodiment of the powder supply method which transfers powder from the one container in which the powder was accommodated to the other container via the powder supply apparatus of FIG. It is sectional drawing which shows preferable one Embodiment of the powder supply method which transfers powder from the one container in which the powder was accommodated to the other container via the powder supply apparatus of FIG. FIG. 2 is a cross-sectional view showing a preferred embodiment of a powder supply method for transferring powder from one container storing powder to a reaction kettle or the like via the powder supply apparatus of FIG. 1. It is sectional drawing which shows preferable one Embodiment of the powder supply method which transfers powder from the one container in which the powder was accommodated to the bag-shaped container via the powder supply apparatus of FIG.

Hereinafter, a preferred embodiment of the present invention will be described with reference to the drawings. In the description of each drawing, the same reference numerals are given to the same elements. FIG. 1 is a cross-sectional view showing a powder supply apparatus of the present invention in which one container 20 containing powder is directly connected to the upper part via a flange 21a in the powder supply apparatus 100 of the present invention. The powder supply apparatus 100 supplies the powder stored in one container 20 to the other container (not shown).
The powder supply apparatus 100 is airtight with the outside and includes a powder supply apparatus main body 10. The powder supply apparatus body 10 includes an upper wall 12a, a lower wall 12b, and a side wall portion 12c. The material constituting the supply device main body 10 may be a metal (hard wall type) or a flexible plastic film (soft wall type). The upper wall 12a or the side wall portion 12c is preferably transparent so that the operation in the powder supply apparatus can be visually observed. Moreover, you may be comprised with the partially transparent member.
The planar shape of the powder supply apparatus main body 10 may be circular or polygonal, and is not particularly limited. Since the powder introduction tube 21 and the powder lead-out tube 22 penetrate the upper wall 12a and the lower wall 12b inside the powder supply device body 10, the powder supply device body 10 has a cylindrical or rectangular shape in consideration of strength. The shape is preferred.

  On one side wall portion 12c of the powder supply apparatus main body 10, there is provided an operation portion 11 that enables a cylindrical member (a) 30 and a bag-like member 15 described later to be attached and detached. For example, a glove 11 a for inserting a hand is attached to the operation unit 11 in order for an operator to operate from the outside. The material is preferably soft and has an appropriate strength so as not to be damaged during work, and examples thereof include rubber. Since the globe and its attachment are airtight, the transferred powder will not leak out of the globe.

In addition, a storage unit 14 is provided on the side wall portion opposite to the side wall portion on which the operation unit 11 of the powder supply apparatus 10 is provided. The storage unit 14 stores the bag-like member 15 until the used bag-like member 15 described later is processed as waste. The end of the storage unit 14 is covered with a bag-like member 15 and fixed with a fastening member 16 such as an O-ring.
The powder supply apparatus main body 10 is provided with a powder introduction tube 21 penetrating the upper wall 12 a of the powder supply apparatus main body 10. Further, the powder supply apparatus main body 10 is provided with a powder lead-out pipe 22 that faces the powder introduction pipe 21 and penetrates the lower wall 12b of the powder supply apparatus main body.
The cross sections of the powder introduction tube 21 and the powder lead-out tube 22 may be circular or rectangular, and are not particularly limited, and a preferable shape can be selected for powder handling.
End portions inside the powder supply device of the powder introduction tube 21 and the powder lead-out tube 22 are opened.
The powder introduction tube 21 and the powder lead-out tube 22 become a part of a passage for powder to pass from one container to the other, and the powder supply device in the powder introduction tube and the powder lead-out tube By connecting the inner end portions with the cylindrical member (a) 30 using the detachable connecting means 24, 25, a passage through which the powder also passes through the cylindrical member (a) 30 is provided. Become. The connection means 24 and 25 are performed when the operator puts a hand into the globe 11a, for example, in the operation unit 11.

The cylindrical member (a) 30 is not particularly limited as long as it is a flexible cylindrical member. However, since the powder is allowed to pass inside, the cylindrical member (a) 30 may not be damaged during the passage. is necessary. Further, the powder passing through the inside of the cylindrical member (a) 30 may include chemically unstable ones. Therefore, the cylindrical member (a) 30 is preferably made of a material that is chemically stable and excellent in chemical resistance. Furthermore, it is preferable that the cylindrical member (a) 30 has transparency so that the state of powder transfer can be confirmed from the outside of the powder supply apparatus.
From these points, the material of the tubular member (a) 30 is appropriately selected. Examples of this include plastics such as polyethylene and polypropylene. Of these, low density polyethylene can be preferably used in terms of strength, chemical stability, and transparency.
The thickness of the cylindrical member can be appropriately selected and used. Usually, about 0.1-0.25 mm can be used preferably.
Also, a cylindrical member (b) 31 to be described later is preferably used in the same manner as the cylindrical member (a) 30 because the powder passes inside.
Furthermore, it is desirable that the bag-shaped member is also a flexible member, and it is preferable to use the same material as the cylindrical members 30 and 31.

The connecting means 24 and 25 are not particularly limited as long as the operator can easily attach and detach the cylindrical member from the outside with the operation unit 11, but preferably the inner ring and the outer ring are fitted to each other. A means for sandwiching the tubular member (a) 30 between the inner ring and the outer ring can be exemplified. As a joint used in this method, a product name EziDock manufactured by EziDock System Limited may be mentioned.
The gap between the fitting portions of the inner ring and the outer ring is made relatively larger than the thickness of the tubular member (a) 30, thereby holding the tubular member (a) 30 between the inner ring and the outer ring. Even if this, the cylindrical member is not damaged. Further, by making the inner ring and the outer ring of the connecting means both plastics such as polypropylene, the weight can be reduced and the handling can be facilitated. Further, since the inner ring and the outer ring are used by being fitted together, after the cylindrical member is sandwiched, it becomes a strong joint, and a reliable connection is possible. Furthermore, it is possible to mount a fixture that is easy to handle after the connection means integrated as a joint is connected.
By using a flexible cylindrical member and lightweight connection means, the cylindrical member (a) 30, the powder inlet tube end, and the powder outlet tube can be reliably operated even when operated through the globe 11a. The end portions can be connected, and the powder does not leak to the entire inner surface of the powder supply apparatus main body 10.

As shown in FIG. 1, it is preferable to attach a flange 21a to the end of the powder introduction tube 21 on the outside of the main body of the powder supply device so that it can be easily connected to a container or other equipment. In addition, a lid plate may be separately attached to the flange 21a for curing during standby or conveyance.
Although FIG. 1 shows a case where one container 20 containing powder in the upper part is connected, it is necessary to install a valve for closing in the lower part. Since this valve generally has a type without a flange, a flange 20a is provided at the lower end of the container for the attachment, and the valve is sandwiched between the apparatus side flange 21a.
An end of the powder supply tube 22 outside the powder supply apparatus main body is opened, and a bag-like member 15 is provided so as to cover the opening, and is fixed by a fastening member 16 such as an O-ring.

Next, a powder supply method using the powder supply apparatus of the present invention will be described with reference to the drawings.
As an embodiment of the present invention, in a powder supply apparatus 100 shown in FIG. 1 in which a container 20 containing powder is connected above a powder supply apparatus, a powder outlet tube protruding downward from the apparatus is provided. The bag-like member 15 is fixed by the fastening member 16 so as to cover the opening 22. Thereafter, the tubular member (a) 30 connected to the end of the powder outlet tube 22 inside the apparatus is removed by hand from the operation unit 11 via the globe 11a and the like. The bag-like member 15 provided at the end is removed, and then the tubular member (a) 30 and the powder outlet tube 22 are connected. In this way, the powder can be transferred through the inside of the cylindrical member.

Hereinafter, each process will be described in detail with reference to the drawings.
(1) Fixing of the bag-like member 15 and the cylindrical member (b) 31 As shown in FIG. 1, the powder derivation that penetrates the lower wall 12b of the powder supply apparatus main body 10 of the present invention and projects downward is provided. The bag-like member 15 is fixed so as to cover the opening of the tube 22. The fixing is performed by the fastening member 16 so that the powder lead-out tube is fastened from the outside of the bag-like member 15. As will be described later, the bag-like member 15 is removed from the powder outlet tube 22 before the powder is transferred. Therefore, as the fastening member 16, a member that can be easily attached and detached, for example, a member using rubber elasticity can be used. One example is an O-ring.
When attaching the powder supply apparatus 100 to the container 20, it is preferable to manage so that external dust or the like does not enter. For this purpose, the flange 21a at the end of the powder introduction pipe 21 is covered with a curing lid. It is desirable to provide a plate and remove it immediately before the installation work. Similarly, the bag-like member 15 is attached to the powder outlet tube 22 before the powder supply device 100 is connected to one container 20 containing the powder via the flange 21a. It is preferable to keep it.

  After that, as shown in FIG. 2, one end of the cylindrical member (b) 31 is placed above the powder outlet tube 22 so as to cover the bag-shaped member 15 and the upper portion of the powder outlet tube 22. It is fixed with a fastening member 17 different from 16. At the same time, the other end of the cylindrical member (b) 31 is attached to the powder introduction tube 32 protruding above the other container 40 to which the powder is transferred. As a means for attaching the tubular member (b) 31, a member using rubber elasticity such as an O-ring is used as in the case of fixing the one end side of the bag-like member 15 and the tubular member (b) 31. However, in order to fix more reliably, it is preferable to use the connecting means 27 using a joint such as the above-mentioned EziDock.

(2) Removal of the cylindrical member (a) 30 and the bag-like member 15 As shown in FIG. 3, a hand is inserted into the glove or the like from the outside by the operation unit 11 and connected inside the powder supply apparatus main body 10. The cylindrical member (a) 30 is removed from the opening of the powder outlet tube 22. Although FIG. 3 shows the case where the cylindrical member (a) 30 is removed from the powder lead-out tube 22, it may be removed from the opening of the powder introduction tube 21. As described later, since it is necessary to remove the bag-like member 15, it is preferable to remove the tubular member (a) 30 from the opening of the powder outlet tube 22 in consideration of operability. Depending on the situation, the opening of the powder introduction tube 21 and the opening of the outlet tube 22 may be removed at the same time. Since the space between the one container 20 and the other container 40 is blocked from the external space, there is no influence from the outside.
Next, if a hand is inserted into the glove or the like from the outside with the operation unit 11, the bag-like member 15 and the fastening member 16 fixed in (1) can be removed as shown in FIG. The removed bag-like member 15 and the fastening member 16 are stored in the storage unit 14. The bag-like member 15 and the fastening member 16 stored in the storage unit 14 are disposed after all the powders have been transferred.

(3) Connection of cylindrical member (a) 30 As shown in FIG. 5, connection is made so as to connect the opening of the powder introduction tube and / or the opening of the powder outlet tube inside the powder supply apparatus body 10. The cylindrical member (a) 30 is connected to the opening of the powder introduction tube and / or the opening of the powder outlet tube by means 24 and / or 25. All of these operations are performed from the outside via the globe or the like by the operation unit 11. The connection means 24, 25 can be easily operated by using a joint such as EziDock.

(4) Transfer of powder As shown in FIG. 5, in the vicinity of the opening of the powder lead-out tube 22 projecting downward from the powder supply apparatus body 10, for example, from the outside of the cylindrical member (b) 31 The cylindrical member (b) 31 is fastened and fixed by the split fixing jig 41. By tightening and fixing, the cylindrical member (b) 31 is not fluttered by the powder pressure at the time of powder transfer, and the powder is formed between the inner side of the cylindrical member (b) 31 and the outer surface of the powder outlet tube 22. The powder can be transferred without splashing and entering. By the above steps, the container 20, the powder introduction tube 21, the cylindrical member (a) 30, the powder outlet tube 22, and the cylindrical member (b) 31 are connected seamlessly. Therefore, the powder is transferred within these members, and the powder does not leak to the entire inner surface of the powder supply apparatus main body 10 (FIG. 6).

(5) Processing after Powder Transfer As shown in FIG. 7, after the powder is transferred from one container 20 to the other container 40, connection means 27 between the end of the outlet tube 22 and the other container 40. Two portions of the cylindrical member (b) 31 between the two are bound by using means such as a binding band 43, and an intermediate portion thereof is cut. After cutting, the opening of the powder outlet tube 22 is covered. The remaining cylindrical member (b) 31 covering the opening is fixed by removing the fixing jig 41 and sliding down the fastening member 17 such as an O-ring at the top. A method of binding two portions of such a cylindrical member with a binding band or the like and cutting an intermediate portion thereof is widely used in the medical field as a bag-in-bag-out method.

Next, a second embodiment will be described with reference to FIG. In FIG. 8, a cylindrical member (b) 31 is connected above the powder supply apparatus, and a powder transfer destination container 50 such as a reaction kettle is directly connected below the apparatus.
The powder outlet tube 22 of the powder supply apparatus 10 is directly connected to a container 50 such as a reaction kettle. In this case, the bag-like member 15 is fixed so as to cover the opening of the powder introduction tube 21 protruding above the powder supply device 10. The fixing is preferably performed by a fastening member 16 such as an O-ring. Next, the powder supply apparatus main body 10 and the powder storage container 20 are connected by the cylindrical member (b) 31. In order to attach the cylindrical member (b) 31 to the powder introduction tube 21, the cylindrical member (b) 31 is fixed by the fastening member 17. As the fastening member 17, a member that can be easily attached and detached, for example, a member using rubber elasticity can be used. One example is an O-ring.
Thereafter, as in the case of the first embodiment, the cylindrical member (a) 30 used for connection to the powder outlet tube 22 inside the powder supply device is removed, and then the bag-shaped member 15 and the bag-shaped member are removed. Remove the fastening means 16 securing the. And the cylindrical member (a) 30 used for the connection of the powder introduction pipe | tube 21 and the powder derivation | leading-out pipe | tube 22 inside the powder supply apparatus main body 10 is connected. From the above, the container 50 such as the container 20, the cylindrical member (b) 31, the powder introduction pipe 21, the cylindrical member (a) 30, the powder outlet pipe 22, and the reaction kettle are connected without breaks. Therefore, the powder is transferred in these members, and the powder does not leak to the entire inner surface of the powder supply apparatus main body 10. After the powder is transferred to the container, the upper and lower portions of the cylindrical member (b) 31 are bound by using means such as a binding band, and the intermediate portion is cut.

Next, a third embodiment will be described with reference to FIG. In FIG. 9, one container 20 containing powder is directly connected above the powder supply apparatus, and a bag-like container 60 is directly connected below the apparatus.
The bag-like member 15 is fixed so as to cover the opening of the powder outlet tube 22 projecting downward from the powder supply apparatus main body 10. A bag-like container 60 that is to store powder is directly attached so as to cover the bag-like member 15. The fixing is preferably performed by a fastening member 17 such as an O-ring. What is necessary is just to be what the opening part of the bag-shaped container 60 acts like the cylindrical member (b). Therefore, the bag-like container 60 is preferably a flexible plastic film, for example, a powder storage bag such as low-density polyethylene.
Thereafter, the cylindrical member (a) 30 used for connecting the powder introduction tube 21 and the powder outlet tube 22 inside the powder supply device is removed, and then the bag-like member 15 is removed.
Thereafter, from one container 20 in which the powder is stored, through the powder introduction tube 21, the cylindrical member (a) 30, and the powder lead-out tube 22, the bag-like container 60 for storing the powder is supplied with the powder. Transfer takes place. After the powder is transferred to the bag-like container 60 for storing the powder, the two upper surplus portions of the bag-like container 60 for storing the powder are bound by using means such as a binding band, and the middle part thereof. Disconnect.

DESCRIPTION OF SYMBOLS 100 Powder supply apparatus 10 Powder supply apparatus main body 11 Operation part 11a Globe 12a Upper wall 12b Lower wall 12c Side wall part 14 Storage 15 Bag-shaped member 16 Tightening member 17 Tightening member 20 One container 20a in which powder is stored 20a, 21a Flange 21 Powder introduction pipe 22 Powder outlet pipe 24, 25, 27 Connecting means
30 Tubular member (a)
31 Tubular member (b)
32 Powder introduction pipe of the other container 40 Other container 41 Fixing jig 42 Transferred powder 43 Bundling member 50 Container such as reaction kettle 60 Bag-like container to store powder

Claims (5)

A powder supply device for supplying the powder stored in one container to the other container,
(A) a powder introduction tube is provided through the upper wall of the device;
(B) A powder lead-out tube provided through the lower wall of the device is connected to the inside of the device via the powder introduction tube and a cylindrical member (a), and the powder is led out outside the device. A powder outlet tube is provided so as to provide a cylindrical member (b) covering the opening of the tube;
(C) An operation unit that enables the tubular member (a) to be attached and detached from the outside is provided on the side wall of the device,
(D) Connection means that is detachable from the outside of the apparatus by being operated by the operation portion between the cylindrical member (a) and the powder introduction pipe and the powder lead-out pipe is provided. A powder supply device.   The connecting means provided between the cylindrical member (a) and the powder introduction pipe and the powder outlet pipe are fitted into the inner ring and the outer ring so that the cylindrical member (a) is connected to the inner ring. The powder supply device according to claim 1, wherein the powder supply device is sandwiched between the outer ring and the outer ring.   The powder supply apparatus according to claim 1 or 2, wherein a storage section for storing the used cylindrical member (b) is provided on a side wall section facing the operation section. A powder supply method for supplying powder stored in one container to the other container,
(E) The cylindrical member (a) is connected so as to cover the opening of the powder introduction pipe and the opening of the powder outlet pipe inside the powder supply apparatus according to any one of claims 1 to 3. Connecting the opening of the bag-like member so as to cover the opening of the powder outlet tube outside the powder supply device or the opening of the powder introduction tube;
(F1) An opening of the powder lead-out tube or the opening of the powder introduction tube outside the powder supply device and an opening or a powder of the powder introduction tube outside the other container so as to cover the bag-like member Connecting the opening of the outlet pipe with the tubular member (b);
(G) One end or both ends of the cylindrical member (a) connected to the opening of the powder lead-out tube and / or the opening of the powder introduction tube are removed, the bag-shaped member is removed, and the bag-shaped member is removed. The process of storing in the storage unit,
(H) a step of reconnecting one end or both ends of the removed cylindrical member (a) to the opening of the powder outlet tube or the opening of the powder introduction tube;
(I) a step of supplying the powder stored in one container to the other container via the cylindrical member (a) connected in the powder supply device;
A powder supply method including: A powder supply method for supplying powder stored in one container to the other bag-shaped container,
(E) The cylindrical member (a) is connected so as to cover the opening of the powder introduction pipe and the opening of the powder outlet pipe inside the powder supply apparatus according to any one of claims 1 to 3. Connecting the opening of the bag-like member so as to cover the opening of the powder outlet tube outside the powder supply device or the opening of the powder introduction tube;
(F2) connecting the opening of the powder outlet tube or the opening of the powder introduction tube outside the powder supply device and the opening of the other bag-like container so as to cover the bag-like member;
(G) One end or both ends of the cylindrical member (a) connected to the opening of the powder lead-out tube and / or the opening of the powder introduction tube are removed, the bag-shaped member is removed, and the bag-shaped member is removed. The process of storing in the storage unit,
(H) a step of reconnecting one end or both ends of the removed cylindrical member (a) to the opening of the powder outlet tube or the opening of the powder introduction tube;
(I) a step of supplying the powder stored in one container to the other bag-like container via the cylindrical member (a) connected in the powder supply device;
A powder supply method including:

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