CN102385289B - Toner replenishing bottle - Google Patents
Toner replenishing bottle Download PDFInfo
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- CN102385289B CN102385289B CN201110376448.XA CN201110376448A CN102385289B CN 102385289 B CN102385289 B CN 102385289B CN 201110376448 A CN201110376448 A CN 201110376448A CN 102385289 B CN102385289 B CN 102385289B
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Abstract
The invention discloses a toner replenishing bottle, which comprises a bottle body, a bottle cap and a waste toner collecting chamber, wherein the interior of the bottle body is hollow to form a toner storing chamber for storing toner; the bottle cap is detachably fixed at the opening of the bottle body, so as to enable that the toner storing chamber is sealed; a toner outlet tube communicated with the toner storing chamber and the external environment is arranged on one side of the bottle cap opposite to the bottle body; the waste toner collecting chamber is positioned in the bottle body and communicated with the toner storing chamber; and a waste toner channel communicated with the waste toner collecting chamber and the external environment is arranged on the inner wall of the toner outlet tube. The toner replenishing bottle provided by the utility model has a simple structure, can effectively avoid the toner from scattering when being used for replenishing toner for a processing box of a laser printer, is beneficial to keep environment clean, and prevents the toner from scattering and harming the health.
Description
Technical field
The present invention relates to toner replenishing bottle, particularly in the situation that the depleted toner replenishing bottle for handle box filling toner of the toner as developer of laser printer processing box content storage.
Background technology
In working of laser printer process, when the toner of its handle box content storage is depleted, user need to supplement toner to handle box in good time, in case totally can not carry out follow-up print job because of toner consumption.
Toner is the minuteness particle that particle diameter is very tiny while using as developer, and its quality is also quite slight, just as dust, may float in air, or moves about with air.Thereby, to laser printer processing box, adding in the process of toner, the residual toner of not used in laser printer processing box powder storehouse is meeting constantly migration with Air Flow under state of disturbance, so that often occur that toner is along with gas wafts and brims with to the phenomenon outside handle box powder storehouse, cause polluting working environment, harm staff's physical and mental health.
Summary of the invention
In order to overcome in above-mentioned toner filling process because toner wafts and brims with the problems such as pollution that cause, the object of the invention is to provide a kind of toner replenishing bottle.The phenomenon that can effectively avoid toner to waft and brim with while utilizing this toner replenishing bottle for laser printer processing box filling toner.
Toner replenishing bottle according to above-mentioned purpose design, comprises bottle, valve protection cap and useless powder collecting chamber.Bottle inner hollow is to form in order to store the storage powder chamber of toner.Valve protection cap is removably fixed on and on the opening of bottle, makes to store up powder chamber and be sealed.Valve protection cap is provided with back to a side of bottle the flour extraction pipe that is communicated with storage powder chamber and external environment condition.Useless powder collecting chamber is positioned at bottle inside and is communicated with storage powder chamber.On the inwall of flour extraction pipe, be provided with the useless powder passage that is communicated with useless powder collecting chamber and external environment condition.
Aforementioned toner replenishing bottle, it is in the same plane and sealed by dismountable bottle cap that its useless powder passage and flour extraction pipe are used for being communicated with the port of external environment condition back to bottle.
Aforementioned toner replenishing bottle, the connection between its useless powder collecting chamber and storage powder chamber realizes via window.
Aforementioned toner replenishing bottle, its window is positioned at the position at the bottom of the bottle that useless powder collecting chamber approaches bottle.
Aforementioned toner replenishing bottle, is provided with the first retaining valve that can open or close on its window.The opening direction of the first retaining valve is pointed to the inside of storage powder chamber by the powder collecting chamber that gives up.
Aforementioned toner replenishing bottle, is provided with the ventilated membrane that only allows gas to pass on its window.
Aforementioned toner replenishing bottle, the position that its useless powder collecting chamber is communicated with useless powder passage is provided with the second retaining valve that can open or close.The opening direction of the second retaining valve is pointed to the inside of useless powder collecting chamber by the powder passage that gives up.
Aforementioned toner replenishing bottle, its flour extraction pipe is the Taper Pipe that profile is taper.One end that Taper Pipe lateral dimension is less is positioned at the side away from bottle.
Aforementioned toner replenishing bottle is equipped with middle cover between its valve protection cap and bottle.Middle cover is provided with and leads tube cell back to a side of bottle.Lead tube cell and be nested in the inside of flour extraction pipe.Flour extraction pipe is communicated with storage powder chamber and external environment condition via leading tube cell.Useless powder passage is to lead reserved gap between tube cell outer wall and flour extraction pipe inwall.
Aforementioned toner replenishing bottle, it is in the same plane and sealed by dismountable bottle cap that its useless powder passage and flour extraction pipe are used for being communicated with the port of external environment condition back to bottle.Connection between useless powder collecting chamber and storage powder chamber realizes via window.Window is positioned at the position at the bottom of the bottle that useless powder collecting chamber approaches bottle.On window, be provided with the first retaining valve that can open or close.The opening direction of the first retaining valve is pointed to the inside of storage powder chamber by the powder collecting chamber that gives up.The position that useless powder collecting chamber is communicated with useless powder passage is provided with the second retaining valve that can open or close.The opening direction of the second retaining valve is pointed to the inside of useless powder collecting chamber by the powder passage that gives up.Flour extraction pipe is the Taper Pipe that profile is taper.One end that Taper Pipe lateral dimension is less is positioned at the side away from bottle.Between valve protection cap and bottle, be equipped with middle cover.Middle cover is provided with and leads tube cell back to a side of bottle.Lead tube cell and be nested in the inside of flour extraction pipe.Flour extraction pipe is communicated with storage powder chamber and external environment condition via leading tube cell.Useless powder passage is to lead reserved gap between tube cell outer wall and flour extraction pipe inwall.
Aforementioned toner replenishing bottle, it is in the same plane and sealed by dismountable bottle cap that its useless powder passage and flour extraction pipe are used for being communicated with the port of external environment condition back to bottle.Connection between useless powder collecting chamber and storage powder chamber realizes via window.Window is positioned at the position at the bottom of the bottle that useless powder collecting chamber approaches bottle.On window, be provided with the ventilated membrane that only allows gas to pass.The position that useless powder collecting chamber is communicated with useless powder passage is provided with the second retaining valve that can open or close.The opening direction of the second retaining valve is pointed to the inside of useless powder collecting chamber by the powder passage that gives up.Flour extraction pipe is the Taper Pipe that profile is taper.One end that Taper Pipe lateral dimension is less is positioned at the side away from bottle.Between valve protection cap and bottle, be equipped with middle cover.Middle cover is provided with and leads tube cell back to a side of bottle.Lead tube cell and be nested in the inside of flour extraction pipe.Flour extraction pipe is communicated with storage powder chamber and external environment condition via leading tube cell.Useless powder passage is to lead reserved gap between tube cell outer wall and flour extraction pipe inwall.
Toner replenishing bottle of the present invention for waft and brim with the problems such as the pollution that causes and health hazard in existing toner filling process because of toner, is provided with independently useless powder collecting chamber near the inner original storage powder of its bottle chamber.Useless powder collecting chamber is used for being communicated with the flour extraction pipe of external environment condition via useless powder passage port position in original storage powder chamber is communicated with external environment condition.Under this structural regime, when using toner replenishing bottle of the present invention for laser printer processing box filling during as the toner of developer, useless powder passage and flour extraction pipe by together with extend in the powder storehouse of laser printer processing box simultaneously, be accompanied by the indoor toner of storage powder and under Action of Gravity Field, constantly pour into powder storehouse, air in powder storehouse enters useless powder collecting chamber along useless powder passage because of pressurized, it is indoor that window on useless powder collecting chamber enters storage powder again, make powder storehouse, useless powder collecting chamber, storage powder chamber forms a dynamic gas pressure balancing system, meanwhile, the air flowing out in powder storehouse is not used in powder storehouse carrying and residual toner in migration state enters useless powder collecting chamber, thereby avoid these residual toner in migration state to waft to the outside of laser printer processing box powder storehouse and toner replenishing bottle of the present invention.The air flowing out in powder storehouse is carrying and in powder storehouse, is not being used and residual toner in migration state converges to useless powder collecting chamber when inner, retaining valve in useless powder passage is subject to opening from the pressure of powder storehouse one side, and the residual toner that air carries together with it can enter useless powder collecting chamber smoothly.When the window on useless powder collecting chamber is installed the first retaining valve, the first retaining valve will be opened from the relatively high pressure of useless powder collecting chamber one side, and residual toner can along with air, to enter storage powder indoor and fall to this; Window on useless powder collecting chamber is provided with and only allows gas to pass and while not allowing ventilated membrane that toner passes through, the air of useless powder collecting chamber still can be back to storage powder chamber, but residual toner can be trapped and be deposited in useless powder collecting chamber.This toner replenishing bottle is simple in structure, and the phenomenon that can effectively avoid toner to waft and brim with while utilizing it to be laser printer processing box filling toner, is conducive to keep clean environment, stops the health hazard that dust causes.
Accompanying drawing explanation
Fig. 1 toner replenishing bottle skeleton view of the present invention.
Fig. 2 toner replenishing bottle cut-open view of the present invention.
Fig. 3 toner replenishing bottle STRUCTURE DECOMPOSITION of the present invention skeleton view.
Fig. 4 toner replenishing bottle of the present invention fragmentary, perspective view.
Fig. 5 is the partial enlarged view of Fig. 2.
Embodiment
Below in conjunction with accompanying drawing, describe toner replenishing bottle of the present invention in detail.
Referring to Fig. 1～5, skeleton view and the cut-open view of toner replenishing bottle of the present invention under different assembled states and viewing angle is shown.
This toner replenishing bottle 100 structurally mainly comprises the useless powder collecting chamber 103 of bottle 101, valve protection cap 102 and its inner hollow.
Bottle 101 is slightly cylindrical, has certain elasticity, and its inner hollow is configured to store the storage powder chamber 104 as the toner of developer.The axial one end of bottle 101 by bottle at the bottom of 105 sealings, the other end is the opening 106 in open state.Valve protection cap 102 is removably fixed in the mode of screw thread combination outside the bottle 101 of same opening 106 correspondences on wall.Between valve protection cap 102 and bottle 101, be provided with the middle cover 107 of movable assembly.At valve protection cap 102, by screw thread 108, be tightened to outside the bottle corresponding with opening 106 101 under the state on wall, middle cover 107 is buckled between valve protection cap 102 and bottle 101 tightly, and by opening 106 sealings, making to store up powder chamber 104 becomes an airtight hollow cavity.A side at valve protection cap 102 back to bottle 101, is provided with the flour extraction pipe 109 that its profile is taper.One end that flour extraction pipe 109 lateral dimensions are less is positioned at the side away from bottle 101.A side at middle cover 107 back to bottle 101, is provided with and leads tube cell 110.Leading tube cell 110 is nested in flour extraction pipe 109.Storage powder chamber 104 is communicated with bottle 101 external environment condition in addition via leading tube cell 110.
Useless powder collecting chamber 103 is positioned at the inside of bottle 101, and it is with bonding way, to be jointly fitted on the inwall of bottle 101 and to be formed by dividing plate 117 and cotton pad 118.Wherein cotton pad 118 is placed between dividing plate 117 and the inwall of bottle 101 by pad, plays sealing function.The inwall of flour extraction pipe 109 and lead between the outer wall of tube cell 110 and remain with predetermined gap, this gap be opened in the useless powder passage 111 being interconnected between the external environment condition becoming after transitional pore 119 on middle cover 107 is communicated with beyond useless powder collecting chamber 103 and bottle 101.Useless powder passage 111 and lead tube cell 110, the port that both are used for being respectively communicated with external environment condition back to bottle 101 is in the same plane, and this port is sealed with connector or pluggable mode by dismountable bottle cap 112.Bottle cap 112 is articulated on valve protection cap 102 by connecting band 113.Useless powder collecting chamber 103 position of 105 at the bottom of the bottle that approaches bottle 101 is provided with window 114.Useless powder collecting chamber 103 is communicated with storage powder chamber 104 via window 114.On window 114, be provided with the first retaining valve 115.The position that is communicated with useless powder passage 111 at useless powder collecting chamber 103, for the entrance position of useless powder collecting chamber 103, is provided with the second retaining valve 116 in present embodiment.
The first retaining valve 115 opening directions are pointed to the inside of storage powder chamber 104 by the powder collecting chamber 103 that gives up.The first retaining valve 115 is when opening, and gas can only flow into storage powder chambers 104 and can not reverse flow by useless powder collecting chamber 103, and the residual toner that accumulate useless powder collecting chamber 103 inside can enter with gas the inside of storage powder chamber 104.When the first retaining valve 115 is during in closed condition, useless powder collecting chamber 103 with between storage powder chamber 104 correspondingly in state of isolation, the gas of storage 104 inside, powder chamber and toner can not enter the inside of useless powder collecting chamber 103.
The opening direction of the second retaining valve 116 points to useless powder collecting chamber 103 inside by the powder passage 111 that gives up.The second retaining valve 116 is when opening, and gas can only flow into useless powder collecting chamber 103 and can not reverse flow by useless powder passage 111, and the residual toner in useless powder passage 111 can enter with gas the inside of useless powder collecting chamber 103.When the second retaining valve 116 is during in closed condition, useless powder collecting chamber 103 with between useless powder passage 111 also correspondingly in state of isolation, the gas in useless powder collecting chamber 103 and residual toner can not enter the inside of useless powder passage 111.
The unlatching of the first retaining valve 115 or closed condition are controlled by the pressure differential of giving up between powder collecting chamber 103 and storage powder chamber 104.The unlatching of the second retaining valve 116 or closed condition are controlled by the pressure differential of giving up between powder collecting chamber 103 and useless powder passage 111.
Why above-mentioned useless powder passage 111 adopts with at flour extraction pipe 109 with lead gap form between tube cell 110 and form, and is mainly the make that to add middle cover 107 and adopt screw thread combination between valve protection cap 102 is with bottle 101 between valve protection cap 102 and bottle 101 in order to adapt to; If cancel middle cover 107 and lead tube cell 110 on it, useless powder passage 111 can directly form on the inwall of flour extraction pipe 109.
Toner in laser printer processing box powder storehouse is depleted, when utilizing this toner replenishing bottle 100 for laser printer processing box powder storehouse filling toner, first pull out bottle cap 112, and flour extraction pipe 109 is inserted in the powder storehouse of laser printer processing box, under this state, lead tube cell 110 and useless powder passage 111 and also extend in the powder storehouse of laser printer processing box simultaneously, the toner being installed in storage powder chamber 104 is circulated in powder storehouse through leading tube cell 110 immediately under Action of Gravity Field.Inside, laser printer processing box powder storehouse causes its internal air pressure to increase because toner flows into, the pressure of this increase transmits to useless powder collecting chamber 103 via useless powder passage 111, now to be subject to from useless powder passage 111 1 sides be the pressure that laser printer processing box powder storehouse is transmitted to the second retaining valve 116, and then be unlocked towards the inside of useless powder collecting chamber 103, residual toner in floating state in air and laser printer processing box powder storehouse can synchronously enter useless powder collecting chamber 103, the first retaining valve 115 is also experienced the pressure from useless powder collecting chamber 103 simultaneously, and then be unlocked towards the inside of storage powder chamber 104, the gas that is being mingled with floating toner in useless powder collecting chamber 103 is back to storage powder chamber 104 immediately after the first retaining valve 115, the negative pressure producing to fill up storage powder chamber 104 internal cause toners to flow out, make to store up the inside of powder chamber 104, especially the part near the bottle end 105 can not form negative pressure and hinder toner outflow.
In order to accelerate toner, flow out, improve powder filling speed, can push the bottle 101 of toner replenishing bottle 100.At bottle 101, be subject to manipulator extruding and opening 106 under unlimited state, the toner of storage 104 inside, powder chamber can produce wriggling, its mobility is strengthened, and then flow out via opening 106, on the other hand, the pressure of storage powder chamber 104 and useless powder collecting chamber 103 both inside also can increase, form storage powder chamber 104 internal pressures and be greater than useless powder collecting chamber 103 internal pressures, useless powder collecting chamber 103 internal pressures are greater than the state of useless powder passage 111 internal pressures, cause the first retaining valve 115 and the second retaining valve 116 all in closed condition.Therefore during extrusion bottle 101, the first retaining valve 115 and the second retaining valve 116 are all in closed condition, and the pressure of storage powder chamber 104 interior increases can be released via leading tube cell 110 toner effectively in printer processes box powder storehouse.When manipulator cancels extruding, bottle 101 restores to the original state, the toner of storage powder chamber 104 can be by resorption due to Action of Gravity Field, storage powder chamber 104 and useless powder collecting chamber 103 internal pressures all restore to the original state and reduce with bottle 101, in printer processes box powder storehouse, mix and have air that toner and pressure are relatively high along useless powder passage 111, wash the second retaining valve 116 open, through useless powder collecting chamber 103, wash again the first retaining valve 115 open, finally by crossing window 114, be back in storage powder chamber 104.
As another embodiment of the present invention, can cancel the first retaining valve 115 on window 114, and make window 114 all the time in opening-wide state.Now, storage powder chamber 104 is directly communicated with useless powder collecting chamber 103.
As this embodiment more of the present invention, can on window 114, install and only allow gas to pass but can prevent that the ventilated membrane that toner passes through from substituting the first retaining valve 115.Now gas can unhinderedly flow between storage powder chamber 104 and useless powder collecting chamber 103, but the residual toner of powder collecting chamber 103 inside of giving up can be stopped in useless powder collecting chamber 103 inside also final settlement in this, thereby prevents that the brand-new toner formation of the same storage of residual toner 104 inside, powder chamber of useless powder collecting chamber 103 inside from mixing.
Claims (10)
1. toner replenishing bottle, comprise bottle and valve protection cap, described bottle inner hollow is to form in order to store the storage powder chamber of toner, described valve protection cap is removably fixed on the opening of described bottle described storage powder chamber is sealed, described valve protection cap is provided with back to a side of described bottle the flour extraction pipe that is communicated with described storage powder chamber and external environment condition, it is characterized in that, also comprise the useless powder collecting chamber being communicated with described storage powder chamber, it is inner that described useless powder collecting chamber is positioned at described bottle, on the inwall of described flour extraction pipe, be provided with the useless powder passage that is communicated with described useless powder collecting chamber and external environment condition, described useless powder passage and described useless powder collecting chamber pass through assembly connection, described flour extraction pipe is the Taper Pipe that profile is taper, the less one end of described Taper Pipe lateral dimension is positioned at the side away from described bottle.
2. toner replenishing bottle according to claim 1, is characterized in that, it is in the same plane and sealed by dismountable bottle cap that described useless powder passage and described flour extraction pipe are used for being communicated with the port of external environment condition back to described bottle.
3. toner replenishing bottle according to claim 1, is characterized in that, the connection between described useless powder collecting chamber and described storage powder chamber realizes via window.
4. toner replenishing bottle according to claim 3, is characterized in that, described window is positioned at the position at the bottom of the bottle that described useless powder collecting chamber approaches described bottle.
5. toner replenishing bottle according to claim 4, is characterized in that, on described window, be provided with the first retaining valve that can open or close, the opening direction of described the first retaining valve is pointed to the inside of described storage powder chamber by described useless powder collecting chamber.
6. toner replenishing bottle according to claim 4, is characterized in that, is provided with the ventilated membrane that only allows gas to pass on described window.
7. toner replenishing bottle according to claim 1, it is characterized in that, the position that described useless powder collecting chamber is communicated with described useless powder passage is provided with the second retaining valve that can open or close, and the opening direction of described the second retaining valve is pointed to the inside of described useless powder collecting chamber by described useless powder passage.
8. toner replenishing bottle according to claim 1, it is characterized in that, between described valve protection cap and described bottle, be equipped with middle cover, described middle cover is provided with and leads tube cell back to a side of described bottle, describedly lead the inside that tube cell is nested in described flour extraction pipe, described flour extraction pipe is communicated with described storage powder chamber and external environment condition via the described tube cell of leading, and described useless powder passage is to lead reserved gap between tube cell outer wall and described flour extraction pipe inwall described.
9. toner replenishing bottle according to claim 1, it is characterized in that, it is in the same plane and sealed by dismountable bottle cap that described useless powder passage and described flour extraction pipe are used for being communicated with the port of external environment condition back to described bottle, connection between described useless powder collecting chamber and described storage powder chamber realizes via window, described window is positioned at the position at the bottom of the bottle that described useless powder collecting chamber approaches described bottle, on described window, be provided with the first retaining valve that can open or close, the opening direction of described the first retaining valve is pointed to the inside of described storage powder chamber by described useless powder collecting chamber, the position that described useless powder collecting chamber is communicated with described useless powder passage is provided with the second retaining valve that can open or close, the opening direction of described the second retaining valve is pointed to the inside of described useless powder collecting chamber by described useless powder passage, between described valve protection cap and described bottle, be equipped with middle cover, described middle cover is provided with and leads tube cell back to a side of described bottle, describedly lead the inside that tube cell is nested in described flour extraction pipe, described flour extraction pipe is communicated with described storage powder chamber and external environment condition via the described tube cell of leading, described useless powder passage is to lead reserved gap between tube cell outer wall and described flour extraction pipe inwall described.
10. toner replenishing bottle according to claim 1, it is characterized in that, it is in the same plane and sealed by dismountable bottle cap that described useless powder passage and described flour extraction pipe are used for being communicated with the port of external environment condition back to described bottle, connection between described useless powder collecting chamber and described storage powder chamber realizes via window, described window is positioned at the position at the bottom of the bottle that described useless powder collecting chamber approaches described bottle, on described window, be provided with the ventilated membrane that only allows gas to pass, the position that described useless powder collecting chamber is communicated with described useless powder passage is provided with the second retaining valve that can open or close, the opening direction of described the second retaining valve is pointed to the inside of described useless powder collecting chamber by described useless powder passage, between described valve protection cap and described bottle, be equipped with middle cover, described middle cover is provided with and leads tube cell back to a side of described bottle, describedly lead the inside that tube cell is nested in described flour extraction pipe, described flour extraction pipe is communicated with described storage powder chamber and external environment condition via the described tube cell of leading, described useless powder passage is to lead reserved gap between tube cell outer wall and described flour extraction pipe inwall described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110376448.XA CN102385289B (en) | 2011-11-23 | 2011-11-23 | Toner replenishing bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110376448.XA CN102385289B (en) | 2011-11-23 | 2011-11-23 | Toner replenishing bottle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102385289A CN102385289A (en) | 2012-03-21 |
| CN102385289B true CN102385289B (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110376448.XA Active CN102385289B (en) | 2011-11-23 | 2011-11-23 | Toner replenishing bottle |
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| Country | Link |
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| CN (1) | CN102385289B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676563B (en) * | 2013-12-31 | 2016-08-24 | 珠海天威飞马打印耗材有限公司 | Cartridge |
| CN108107695B (en) * | 2017-11-29 | 2020-09-25 | 苏州市信睦知识产权服务有限公司 | Carbon powder filling device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567102A (en) * | 2000-02-17 | 2005-01-19 | 株式会社理光 | Toner storing device and toner replenishing method and device |
| CN201444235U (en) * | 2009-07-24 | 2010-04-28 | 富美科技有限公司 | Device for accelerating powder filling |
| CN201707549U (en) * | 2010-06-23 | 2011-01-12 | 珠海天威飞马打印耗材有限公司 | Carbon powder bottle easy to add powder |
| CN201740978U (en) * | 2009-11-13 | 2011-02-09 | 富美科技有限公司 | Powder filling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3277177B2 (en) * | 2000-03-03 | 2002-04-22 | 東芝テック株式会社 | Toner bottle |
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2011
- 2011-11-23 CN CN201110376448.XA patent/CN102385289B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567102A (en) * | 2000-02-17 | 2005-01-19 | 株式会社理光 | Toner storing device and toner replenishing method and device |
| CN201444235U (en) * | 2009-07-24 | 2010-04-28 | 富美科技有限公司 | Device for accelerating powder filling |
| CN201740978U (en) * | 2009-11-13 | 2011-02-09 | 富美科技有限公司 | Powder filling device |
| CN201707549U (en) * | 2010-06-23 | 2011-01-12 | 珠海天威飞马打印耗材有限公司 | Carbon powder bottle easy to add powder |
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| CN102385289A (en) | 2012-03-21 |
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