KR101705772B1 - Toner Powder Charging Apparatus with Air Pressure Stabilizied Toner Powder Container - Google Patents

Toner Powder Charging Apparatus with Air Pressure Stabilizied Toner Powder Container Download PDF

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KR101705772B1
KR101705772B1 KR1020150085658A KR20150085658A KR101705772B1 KR 101705772 B1 KR101705772 B1 KR 101705772B1 KR 1020150085658 A KR1020150085658 A KR 1020150085658A KR 20150085658 A KR20150085658 A KR 20150085658A KR 101705772 B1 KR101705772 B1 KR 101705772B1
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air
toner
layer
conveying
bottle
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KR1020150085658A
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Korean (ko)
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KR20160148891A (en
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김동정
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주식회사 지알에스코리아
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0808—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer supplying means, e.g. structure of developer supply roller
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0812—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer regulating means, e.g. structure of doctor blade
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/0005—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
    • G03G21/0052—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium using an air flow; Details thereof, e.g. nozzle structure

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Air Transport Of Granular Materials (AREA)
  • Basic Packing Technique (AREA)

Abstract

Disclosed is a toner filling apparatus having an automatic air pressure distributing apparatus toner bottle, comprising: a toner passage for storing toner; A storage container in which toner is transported and stored; A toner conveying device for conveying the toner; An air pump for supplying air; A controller for setting a charged amount of the toner; And a waste toner bottle. The toner bottle has a structure in which a separation membrane separating the toner and the air layer is provided. In the lower toner layer, a toner transfer device for transferring the toner is provided. An air injection needle for supplying air to the upper air layer It is a mounted structure. The toner conveying device is equipped with an air supply needle for supplying air and a toner conveying hose for conveying the toner. An air supply hose is connected to the air outlet of the air pump, and one end is connected to the air supply needle, and the other end is connected to the air supply needle of the toner transfer apparatus to connect the air supply needle and the air supply And the same toner conveying required pressure is generated in the toner layer and the air layer by simultaneously supplying air to the needles. Since the amount of air required for the toner conveying required pressure of the toner layer and the air layer is proportional to the volume of the air flowable space of each layer, the conveying required pressure is generated by a very small amount of air only in a toner layer having a substantially constant airflow space, Transfer. Even if the volume of the air layer is increased due to the increase in the volume of the air layer due to the filling of the toner, the compressed air in the air layer is not transferred to another space in the apparatus due to the separation layer between the toner layer and the air layer, Do not. In addition, even when compressed air is discharged from the air layer at the time of completion of charging, there is no problem such as toner scattering.

Figure 112015058415328-pat00001

Description

TECHNICAL FIELD [0001] The present invention relates to an automatic air pressure distributor, and more particularly,

The present invention relates to an apparatus for filling a toner cartridge or other necessary storage container with a toner or a similar fine powder, and uses air as a scattering solvent for ultrafine powder to directly inject air Is a device for solving the problem that the amount of air for generating the transfer demand pressure changes exponentially in accordance with the change in the internal space volume in which air is injected. More particularly, the present invention relates to a device for stably and continuously conveying toner or fine powder particles by a sufficient amount of air with a small amount of air regardless of the volume inside the toner bottle when the toner or the ultra fine powder is transferred.

As a technology related to the transfer of powder, a technique using air as a scattering solvent has been proposed and widely used for applications and devices.

However, in spite of the fact that air is a good non-acidic solvent for the ultrafine powder, it is difficult to use due to its easy compression properties. In particular, toner transfer technology for development of an infinite toner supply device for laser printers and copying machines, There has been a difficulty in development due to the characteristics of a toner cartridge, the toxicity of the toner to the human body, and the specificity to be considered together with the beauty for installation in a space close to the human body.

Recently, the application number 10-2015-0018079 of the laser printer automatically supplies the toner powder to the lower part of the toner bottle, thereby providing a very easy toner scattering and transferring technique. It has solved the problem that was difficult to carry out many times.

[Patent Document 1] Patent No. 10-0980385 [Patent Document 2] Patent No. 10-0892392 [Patent Document 3] Patent No. 10-1032482 [Patent Document 4] Patent No. 10-1367805 [Patent Document 4] Patent No. 10-1193959

[5] Development of Transport System: Korea Institute of Machinery & Materials (1994) [6] Development of Transport System: Korea Institute of Science and Technology Information (2002)

It is an object of the present invention to provide a practical device for stably transferring fine particles of a toner or a similar material into a storage container using air as a scattering solvent.

Recent application No. 10-2015-0018079 In the automatic supply device of toner powder of laser printer, the characteristics of the toner as the ultrafine powder, the specificity of installation such as office space, and the structure of the toner cartridge mounted on the laser printer are simple, There have been proposed practical inventions that can be widely used because they have few manufacturing costs.

However, while the automatic supply of the toner powder of the laser printer is practically feasible in most laser printers and copying machines, it is necessary to charge the toner to the charging room or the toner cartridge manufacturer When the volume of the air layer in the toner bottle is increased due to the charging of the toner due to the charging of the toner, the excessive air amount is injected There is a problem that the toner is scattered at a low degree of airtightness by raising the pressure of the entire inside of the apparatus.

Further, when the air is discharged to the outside in order to reduce the pressure, it is troublesome and costly to use an ultrafine dust filter to remove the scattered toner contained in the discharged air.

An object of the present invention is to provide a method capable of obtaining a conveying required pressure of a toner with a constant air amount irrespective of a change in the volume of an air layer inside a toner bottle without a troublesome device.

In order to accomplish the above object, the present invention provides a toner filling apparatus (A) having an automatic air pressure distributing apparatus toner bottle, comprising a toner bottle (100) and a main body (10) A storage container 20 for storing the toner conveyed by the toner conveying device 200, an air pump 300 for supplying air to the toner conveying device 200, and a control device 400 for controlling the charging device.

The interior of the toner bottle 100 is composed of a flexible separation membrane 130 sufficient to separate the toner layer 110 and the air layer 120 to reflect changes in the volume of the two layers as the toner is charged, An air injection needle 121 for receiving the toner is mounted and a toner transfer device 200 is mounted below the toner layer 110.

The toner conveying device 200 includes an air supplying needle 210 for supplying air and a toner conveying hose 220 for conveying the toner. The toner conveying hose 220 receives air through the air supplying needle 210, The toner is scattered in the discharging portion to reduce the flow resistance, and when the conveying demand pressure is reached, the toner is conveyed to the storage container 20 through the toner conveying hose 220.

The flexible separator 130 in the toner bottle 100 which is the main invention of the present invention is preferably a rubber film of a flexible material sufficient to separate the toner layer 110 and the air layer 120 in accordance with the variation in the amount of toner, Is not limited to a sufficient and special material.

The air pump 300 is connected to an air outlet through an air supply hose 310 and is separated into a Y-shaped hose so that one end thereof is connected to the air injection needle 121 mounted in the air layer 120, The air supply needle 210 is connected to the air supply needle 210 of the air supply unit 200 so that air is simultaneously discharged from the air supply needle 221 and the air supply needle 210 during operation of the air pump 300.

The same transporting demand pressure is formed in the toner layer 110 and the air layer 120 when the air pump 300 is operated and the amount of air injected into each layer is proportional to the volume of the air flowable space in each layer, In the toner layer 110, the conveying required pressure can be obtained even with a small amount of constant air.

Since the volume of the air layer increases due to the use of the toner, the amount of air required to generate the transfer required pressure is distributed to the air layer 120, so that air discharged from the air layer after the filling is discharged to the outside, thereby eliminating problems caused by excessive air injection without toner scattering.

The technique of transferring the toner by directly injecting air into the toner bottle has the advantage that the structure is very simple and the manufacturing cost is low. However, when the volume of the air layer inside the toner bottle increases due to the easily compressible properties of air, There was a problem of excessive air infusion.

The present invention is a device using a principle in which the inside of the toner bottle is completely separated from the toner layer and the air layer, and air is simultaneously injected into both layers to generate the same transporting demand pressure on both layers.

Even if the same transporting pressure is formed on both layers, the amount of air to be distributed is proportional to the volume of the space that can be air-freed. Therefore, in a toner layer having a small volume of air-flowable space, .

Further, even if the volume of the air layer increases due to the increase of the volume of the air layer due to the filling of the toner, the air in the air layer is not injected into the toner layer, the transfer hose and the storage container due to the separation membrane even if the air amount for generating the transfer demand pressure increases exponentially. . In addition, air in the air layer is clean air that does not scatter toner, so it may be discharged after the charging is completed.

The present invention can sufficiently transfer the toner or the ultrafine powder with a constant amount of air regardless of the volume of the toner bottle so that the toner or the ultrafine powder can be conveyed in a quantitative manner. There is an effect that various designs can be used.

1. Fig. 1 is an overall configuration diagram of the present invention
Figure 2 is a schematic view of the toner bottle of the present invention
Figure 2-a is a schematic view of the tubular toner bottle of the present invention
Figure 2-b is a schematic view of the toner delivery hose-mounted toner bottle of the present invention
2C is a schematic view of the toner bottle with the rubber pouch of the present invention mounted thereon.
Figure 3 is a detailed view of the toner transporting apparatus of the present invention
Figure 4 is a schematic view of the toner-transfer hose storage container connection toner filter of the present invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout.

1, a toner filling apparatus A having an automatic air pressure distributor toner bottle includes a main body 10, a storage container 20, a waste toner bottle 30, 100, a toner conveying device 200, an air pump 300, and a control device 400.

1. The main body 10 of FIG. 1 includes a woofer guide 11 to which a toner bottle 200 can be mounted and an under guide 12. When the toner bottle 200 is pressed or rotated downward, Is sufficient.

The toner bottle 100 of FIG. 2 includes a separator 130 for separating the toner layer 110 from the air layer 120 and an air injection needle 121 for supplying air to the air layer 120 Respectively. A toner transfer device 200 having an air supply needle 210 and a toner transfer hose 220 is installed below the toner layer 110 of the toner bottle 100.

An air supply hose 310 is installed in the air discharge part of the air pump 300 shown in FIG. 1. The air supply hose 310 is connected to the air supply needle 121 at one end and is connected to the air supply needle 210 at the other end. And simultaneously air is supplied to both layers when the air pump 300 is operated. When the air is injected, the same feed pressure is generated in both layers, but the injected air amount is automatically distributed in proportion to the volume of the air flowable space in the toner layer 110 and the volume of the airflowable space in the air layer 120. The air flowable space in the toner layer 110 is very small due to the flowable separation membrane 130 inside the toner bottle 100 so that the transfer demand pressure is reached even with a small amount of air.

The operation of the air pump 300 by the command of the control device 400 of Figure 1 causes the air supply needle 210 of the toner transport device 200 installed in the toner layer 110 to move, The toner is scattered by a very small amount of constant air in the discharging portion to reduce the flow resistance, and then the toner is conveyed together with the air. When the volume of the air layer 120 increases due to the filling of the toner, the amount of air required for the transfer demand pressure increases exponentially. However, since the increased air amount is distributed only to the air layer 120, the toner layer 110, the toner transfer hose 220, The problem of pressure rise does not occur in the container 20 or the like. Even when the compressed air in the air layer 120 is discharged to the outside at the time of completion of charging, problems such as toner scattering do not occur.

2-a. The toner bottle 100a is a schematic view of another embodiment in which a separator is formed in the form of a flexible tube film 130a. The same effect can be obtained in the structure in which the toner layer 110a is formed inside the tube film 130a and the air layer 120a is formed outside.

2-b. And the toner conveying hose 210b is directly connected to the lower portion of the toner bottle 100b. In this structure, the air supply needle 111b is directly attached to the lower portion of the toner layer 110b without a separate toner conveying device The same effect can be obtained. That is, the toner charging apparatus according to an embodiment of the present invention includes: a toner bottle 100b storing toner; A toner conveyance hose 220b directly connected to the lower portion of the toner bottle 100b; And an air supply needle 111b connected to the lower portion of the toner bottle 100b and supplying air supplied from the air pump 300. The toner bottle 110b and the air layer The air layer 120b is provided with an air injection needle 121b for supplying air supplied from the air pump 300 and an air discharge device 122b for discharging air The air supply needle 111b and the air supply needle 121b are connected to the air pump 300 through the air supply hose 310 so that the air supply needle 111b and the air injection needle And air is simultaneously supplied through the first and second passages 121a and 121b.

2-c. The toner bottle 100c is a schematic view in which the air bag 120c is mounted on the toner layer 110c more easily and can alleviate the problem caused by the compressed air in proportion to the size of the air bag. When air is injected into the air bag 120c during operation of the air pump 300 and the compressed air in the air bag 120c is discharged at the time of completion of the charging operation, problems due to excessive air injection as much as the compressed air distributed to the air bag 120c Can be seen.

In the automatic air pressure distributing apparatus toner bottle, which is the main invention of the present invention, when the toner layer and the air layer are separated and air is simultaneously injected into each space, the same pressure is generated in both layers, but the amount of air to be injected is The present invention is not limited to the above-described design, but may be variously designed and implemented according to the purpose of the user.

3, the toner conveying apparatus 200 is composed of an air supply needle 210 and a toner conveying hose 220 and is installed below the toner layer 110 of the toner bottle 100. It is preferable that the air supply needle 210 is located within 1 cm to 3 cm of the upper portion of the toner transfer hose 220. However, considering the pressure of the air pump 300, the diameter and length of the toner transfer hose 220, Proper design is required.

When air is introduced into the air supply needle 210 of the toner delivery device 200 by the operation of the air pump 300, the air is discharged from the air supply needle 210 to reduce the flow resistance, And transfers the toner through the hose 220.

The toner conveying apparatus 200 as a main invention of the present invention may be designed in accordance with the original purpose of separating the toner layer and the air layer and simultaneously injecting air into both layers, and is not limited to the drawings shown in the present application.

4. The toner filter 221 is attached to the connection portion of the storage container 20 at the end of the toner conveying hose 220 and is a filter for preventing the toner from scattering when the air is discharged to the outside due to the pressure rise of the storage container when the toner is transported A structure in which only air is discharged to the outside without toner scattering is sufficient, and various designs can be designed in consideration of convenience and aesthetics of the user.

The waste toner bottle 30 shown in Fig. 1 is used for a large-capacity toner filter as a device which is recommended to be used when it is difficult to prevent scattering of toner outside the toner filter 221 shown in Fig. The air is sucked into the waste toner box 30 through the suction hose 21 connected to the inside of the storage container 20 and then the toner is filtered to discharge the air to the outside.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1. A toner filling apparatus A having an automatic air pressure distributor toner bottle is operated by an air pump 300 in response to a command from a control device 400 to supply air to the toner layer 110 Air is supplied to the air layer 120. Since the amount of air to be distributed is proportional to the volume of the air flowable space in each layer, the required transporting pressure is generated even with a small amount of air in the toner layer 110 having a very small air flowable space .

When the volume of the air layer is increased due to the use of the toner, the amount of air increases exponentially to generate the transfer demand pressure. However, since the increased amount of air is distributed to the air layer 120, the air in the air layer is discharged to the outside, The problem of external scattering of the toner does not occur.

When the residual toner needs to be removed to prevent the remaining toner from adhering to the after-filling toner transfer hose 120, compressed air is discharged from the air layer at the end of charging, and then a certain amount of air is further discharged, The residual toner of the toner transfer hose 220 is removed by the vacuum generated in the layer 110.

The toner filling apparatus with the automatic air pressure distributing apparatus toner bottle of the present invention can be used for the purpose of transferring toner powder and similar fine particulate matter.

It is recommended to use for the toner infinite feeder for more precise toner conveyance. Especially, it is recommended to use a toner filling room or toner cartridge manufacturing factory which requires a large amount of toner powder to be continuously charged, as well as a cosmetic for the purpose of transferring various ultrafine powder to a storage container It is a useful device that can be used at a very low cost in factories and pharmaceutical companies.

A: Toner charging device
10: Main body
11: Woofer guide
12: Under the guide
20: Storage container
21: Suction hose
30: waste toner bottle
100, 100a, 100b, 100c: toner bottle
110, 110a, 110b, and 110c:
120, 120a, 120b: air layer
121, 121a, 121b, 121c: air injection needle
122, 122a, 122b, 122c:
130, and 130b:
130a:
120c: rubber pouch
200: Toner transfer device
210, 111b: air supply needle
220, 220a, 220b: Toner transfer hose
221, 221a: Toner filter
300: air pump
310: Air supply hose
400: control device

Claims (9)

The toner charging device (A) for charging the toner or the ultrafine powder with similar properties
A toner bottle 100 in which toner is stored;
A main body 10 having a toner bottle built therein;
A storage container (20);
A toner conveying device 200 for conveying the toner in the toner container 100 to the storage container 20;
An air pump 300 for supplying air to the toner conveying device 200;
A control device 400;
And a waste toner bottle 30,
The interior of the toner bottle 100 is formed of a separation membrane 130 separating the toner layer 110 and the air layer 120,
A toner conveying device 200 is provided below the toner layer 110 and an air injection needle 121 and an air discharging device 122 are installed to receive air from the air layer 120,
The toner transfer apparatus 200 includes an air supply needle 210 for receiving air from the air pump 300 and a storage container 20 for transferring the toner to the storage container 20 after air is supplied thereto, And a toner conveying hose 220 connected to the conveying path 220,
The air pump 300 is connected to the air supply needle 121 and the air supply needle 210 by connecting the air supply hose 310 for supplying air to the air discharge mouth of the air pump 300, And air is simultaneously supplied through each needle at the time of operation.
The toner bottle according to claim 1, wherein the toner bottle includes a separator for separating the toner layer from the air layer, and a needle for supplying air to the toner bottle. Wherein the same transporting demand pressure is formed in each layer when air is supplied by operation.
The toner bottle 100a is provided with a tube film 130a so that the toner layer 110a inside the tube film 130a and the air layer 120a outside the tube film 130a during the operation of the air pump 300, And the required pressure is formed.
A toner bottle 100b storing the toner;
A toner conveyance hose 220b directly connected to a lower portion of the toner bottle 100b; And
And an air supply needle 111b connected to a lower portion of the toner bottle 100b to supply air supplied from the air pump 300,
A separation membrane 130 separating the toner layer 110b and the air layer 120b is formed in the toner bottle 100b,
The air layer 120b is provided with an air injection needle 121b for supplying air supplied from the air pump 300 and an air discharge device 122b for discharging air,
The air supply needle 111b and the air injection needle 121b are connected to the air pump 300 through the air supply hose 310 so that the air supply needle 111b and the air injection needle 121b, And the air is simultaneously supplied through the ink supply port (121b).
The toner charging apparatus according to claim 1, further comprising a flexible air bag (120c) disposed inside the toner bottle and supplied with air from the air injection needle.
The toner conveying apparatus according to claim 1, wherein the toner conveying device is constructed by mounting an air supply needle (210) and a toner conveying hose (220) And the toner is conveyed through the toner conveying hose 220 together with the air after the flow resistance is reduced.
The image forming apparatus according to claim 1, further comprising a toner filter (221) installed at a connection portion of the distal end of the toner transfer hose (220) with the storage container (20) And the air is discharged.
The waste toner bottle according to claim 1, wherein the waste toner bottle (30) is connected to a discharge hose (21) connected to the inside of the storage container (20) to suck air in the storage container (20) Thereby preventing external scattering of the toner.
 The apparatus according to claim 1, wherein the air discharging device (122) is configured to be openable and closable, closed at the time of filling, opened at the time of completion of filling, and discharged out of the air layer (120) And further sucking the toner remaining in the toner supply hose (220) by forming a vacuum in the toner layer (110).
KR1020150085658A 2015-06-17 2015-06-17 Toner Powder Charging Apparatus with Air Pressure Stabilizied Toner Powder Container KR101705772B1 (en)

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Publication number Priority date Publication date Assignee Title
KR102002314B1 (en) * 2018-02-22 2019-07-23 주식회사 에코티스 (Ecotis) Automatic toner supplying apparatus
KR20230157025A (en) * 2022-05-09 2023-11-16 주식회사 에코티스 (Ecotis) Appratus and method for automatically refilling a toner at a toner cartridge

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JP2001322687A (en) * 2000-05-15 2001-11-20 Ricoh Co Ltd Powder body storage container
JP2002333765A (en) * 2001-05-07 2002-11-22 Ricoh Co Ltd Developer carrying device and image forming device
JP2007086346A (en) * 2005-09-21 2007-04-05 Ricoh Co Ltd Toner conveying device and image forming apparatus
JP2008134591A (en) * 2006-11-01 2008-06-12 Ricoh Co Ltd Developer-replenishing device, container, image forming device

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Publication number Priority date Publication date Assignee Title
FR2833107B1 (en) 2001-12-05 2004-02-20 Saint Gobain ELECTRODE OF ELECTROCHEMICAL / ELECTROCOMMANDABLE DEVICES
KR100892392B1 (en) 2009-01-19 2009-04-10 (주)유로시스템 An automatic toner refiller for cartridge
KR100980385B1 (en) 2010-05-07 2010-09-07 주식회사 에코티스 (Ecotis) An automatic cartridge toner refiller of laser printer
KR101032482B1 (en) 2011-02-01 2011-05-03 주식회사 에코티스 (Ecotis) Automatic cartridge toner refiller at toner cartridge
KR101367805B1 (en) 2013-06-21 2014-02-27 (주)두림텍 Suppling device of powder and liquid

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001322687A (en) * 2000-05-15 2001-11-20 Ricoh Co Ltd Powder body storage container
JP2002333765A (en) * 2001-05-07 2002-11-22 Ricoh Co Ltd Developer carrying device and image forming device
JP2007086346A (en) * 2005-09-21 2007-04-05 Ricoh Co Ltd Toner conveying device and image forming apparatus
JP2008134591A (en) * 2006-11-01 2008-06-12 Ricoh Co Ltd Developer-replenishing device, container, image forming device

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