JPH01120587A - Toner container - Google Patents
Toner containerInfo
- Publication number
- JPH01120587A JPH01120587A JP62278978A JP27897887A JPH01120587A JP H01120587 A JPH01120587 A JP H01120587A JP 62278978 A JP62278978 A JP 62278978A JP 27897887 A JP27897887 A JP 27897887A JP H01120587 A JPH01120587 A JP H01120587A
- Authority
- JP
- Japan
- Prior art keywords
- toner
- main body
- fitting
- wall
- toner container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 abstract description 11
- 239000000203 mixture Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- 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
- G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
- G03G15/0881—Sealing of developer cartridges
- G03G15/0884—Sealing of developer cartridges by a sealing film to be ruptured or cut
-
- 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
- G03G15/0865—Arrangements for supplying new developer
- G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening
- G03G15/087—Developer cartridges having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/06—Developing structures, details
- G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
- G03G2215/0663—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
- G03G2215/0673—Generally vertically mounting of said toner cartridge parallel to its longitudinal rotational axis
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/06—Developing structures, details
- G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
- G03G2215/0663—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
- G03G2215/0678—Bottle shaped container having a bottle neck for toner discharge
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、静電気記録装置、静電気印刷装置、静電気現
像装置等の静電気記録装置類にトナーを補給するための
トナー容器に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a toner container for replenishing toner to electrostatic recording devices such as electrostatic recording devices, electrostatic printing devices, and electrostatic developing devices.
この種のトナー容器として特に汎用されているのは、側
壁に開口部を有した円筒形で、複数層からなるプラスチ
ックフィルムで構成されたシール手段で前記開口部がシ
ールされたものである。このトナー容器の使用に際して
は、筒状物の手前側の端部に形成された取っ手を一方の
手に持ってこれを静電気記録装置類の所定箇所に押し込
むと同時に、他方の手で前記シール手段を手前に引っ張
りこれを引き剥がす必要がある。そのため、この従来の
トナー容器には、次のような問題点がある。A particularly widely used toner container of this type is a cylindrical one having an opening in its side wall, and the opening is sealed with a sealing means made of a plurality of layers of plastic film. When using this toner container, hold the handle formed at the front end of the cylindrical object with one hand and push it into a predetermined location of the electrostatic recording device, and at the same time use the other hand to press the sealing means. You need to pull it towards you and tear it off. Therefore, this conventional toner container has the following problems.
(発明の解決しようとする問題点〕
第一の問題点は、シール手段のシール強度が気温や湿度
の影響を受け、そのコントロールが難しいという点であ
る。即ち、シール強度が強すぎると、シール手段を剥離
する際にシール手段の一部が剥落してトナーに混入する
という問題点がある。一方、シール強度か弱すぎると、
輸送中の振動等によってシール手段が浮き上がり、或い
は剥がれてトナー洩れの原因となるという問題点がある
。(Problems to be Solved by the Invention) The first problem is that the sealing strength of the sealing means is affected by temperature and humidity and is difficult to control.In other words, if the sealing strength is too strong, There is a problem that when the sealing means is peeled off, a part of the sealing means comes off and gets mixed into the toner.On the other hand, if the sealing strength is too weak,
There is a problem in that the sealing means is lifted or peeled off due to vibrations during transportation, causing toner leakage.
第二の問題点は、トナー容器の大型化の要請に応えるこ
とができないという点である。つまり、静電気記録装置
は大型化・高速化してきており、それに応じてトナー容
器も大型化が要請されている。しかし、従来のトナー容
器では、静電気記録装W1.類の所定個所にトナー容器
を押し込む際に片手で行わなければならないので、精々
数百グラム程度のトナーしか収容することができないと
いう問題点がある。The second problem is that it is not possible to meet the demand for larger toner containers. In other words, electrostatic recording devices are becoming larger and faster, and toner containers are also required to be larger accordingly. However, in the conventional toner container, the electrostatic recording device W1. Since the toner container must be pushed into a predetermined location in the container with one hand, there is a problem in that only a few hundred grams of toner can be accommodated at most.
(問題を解決するための手段〕
本発明者は、前記問題点を解決するため種々考察をした
結果、前記した従来のトナー容器の問題点を解決した新
たなトナー容器に関する発明を完成するに至ったもので
ある。(Means for Solving the Problems) As a result of various considerations to solve the above-mentioned problems, the present inventor has completed an invention regarding a new toner container that solves the above-mentioned problems of conventional toner containers. It is something that
即ち、本発明に係るトナー容器は、静電気記録装置類の
トナー補給口内に嵌まり得る口筒部lを有し、該口筒部
lの内壁にリング状の嵌合凸部2が設けられたトナー容
器本体Aと、上壁3とその縁部から下方向に伸びる周壁
4と周壁4より中心側にあって上壁3から下方向に伸び
る垂下壁5とからなり、周壁4の外周には前記トナー容
器本体Aの嵌合凸部2に嵌まり得る嵌合凹部6が設けら
れ、垂下壁5の下端内側には鍔7が設けられ、上壁3と
垂下壁5と鍔7とで囲まれる空間部が前記トナー補給部
の中央部に設けられる係合突起と嵌まり得る形状をした
可撓性を有するキャップBとからなることを特徴とする
ものである。That is, the toner container according to the present invention has a spout l that can be fitted into a toner replenishment port of an electrostatic recording device, and a ring-shaped fitting protrusion 2 is provided on the inner wall of the spout l. It consists of a toner container main body A, an upper wall 3, a peripheral wall 4 extending downward from the edge thereof, and a hanging wall 5 located toward the center of the peripheral wall 4 and extending downward from the upper wall 3. A fitting recess 6 into which the fitting protrusion 2 of the toner container main body A can be fitted is provided, and a flange 7 is provided inside the lower end of the hanging wall 5, and is surrounded by the upper wall 3, the hanging wall 5, and the flange 7. The space portion in which the toner replenishes the toner replenishing portion is formed by a flexible cap B having a shape that can be fitted into an engaging protrusion provided at the center of the toner replenishing portion.
次に、本発明の構成を図面に基づいて詳細に説明する。Next, the configuration of the present invention will be explained in detail based on the drawings.
本発明に係るトナー容器は、トナー容器本体Aと、その
口筒部lに取りつけられるキャップBとから構成され、
トナー容器本体Aの口筒部1が静電気記録装置類のトナ
ー補給口20内に嵌められる。静電気記録装Wt類のト
ナー補給口20には例えば十字状のリプ(図示せず)が
設けられ、その中央に上向きの係合突起21が設けられ
ている。この係合突起21の形状は、例えば図面に示す
ようなキノコ状とすることができるが、必ずしもこの形
状に限定されるものではない。The toner container according to the present invention is composed of a toner container main body A and a cap B attached to the mouth barrel l thereof,
The spout portion 1 of the toner container main body A is fitted into a toner supply port 20 of an electrostatic recording device. The toner supply port 20 of the electrostatic recording device Wt is provided with, for example, a cross-shaped lip (not shown), and an upward engaging protrusion 21 is provided in the center thereof. The shape of the engaging protrusion 21 can be, for example, mushroom-shaped as shown in the drawings, but is not necessarily limited to this shape.
トナー容器本体Aは、プラスチックや紙等の非磁性体に
よって構成され、一端部に口筒部lを有する。The toner container body A is made of a non-magnetic material such as plastic or paper, and has a spout l at one end.
この口筒部1は静電気記録装置類のトナー補給口20内
に嵌まり合うように構成され、その内壁にはリング状の
嵌合凸部2が設けられている。この嵌合凸部2の断面形
状は、後述するキャップBの嵌合凹部6と合致する形状
であればいかなる形状を呈していてもよいが、図面に示
す如く上面にテーパーを持つ内向きの楔形としておけば
、嵌合凸部2と嵌合凹部6との嵌め合わせをスムーズに
行うことができる。This opening tube portion 1 is configured to fit into a toner replenishing port 20 of an electrostatic recording device, and a ring-shaped fitting convex portion 2 is provided on its inner wall. The cross-sectional shape of the fitting protrusion 2 may be any shape as long as it matches the fitting recess 6 of the cap B, which will be described later, but as shown in the drawing, it has an inward wedge shape with a tapered upper surface. By doing so, the fitting protrusion 2 and the fitting recess 6 can be smoothly fitted.
キャップBは、例えば、ポリエチレン、ポリプロピレン
等の可撓性を有するプラスチックで作られる。The cap B is made of flexible plastic such as polyethylene or polypropylene.
そしてこのキャップBは、上壁3とその縁部から下方向
に伸びる周壁4と周壁4より中心側にあって上壁3から
下方向に伸びる垂下壁5とによって構成される。上壁3
の形状は特に限定されることはないが、図面に示すよう
に所謂傘状を呈するようにしておけば、トナー容器本体
A内に収容されているトナーを余すことなくトナー補給
口20に排出することができる0周壁4の外周には前記
トナー容器本体Aの嵌合凸部2に嵌まり得る嵌合凹部6
が設けられている。The cap B is composed of an upper wall 3, a peripheral wall 4 extending downward from the edge thereof, and a hanging wall 5 located closer to the center than the peripheral wall 4 and extending downward from the upper wall 3. Upper wall 3
The shape of the toner container body A is not particularly limited, but if it has a so-called umbrella shape as shown in the drawing, all of the toner stored in the toner container body A can be discharged to the toner supply port 20. On the outer periphery of the circumferential wall 4, there is a fitting recess 6 that can fit into the fitting convex part 2 of the toner container main body A.
is provided.
周壁4の先端は、図面に示す如(外面にテーパーを持つ
下向きの楔形としておけば、嵌合凸部2と嵌合凹部6の
嵌合をスムーズならしめることができる。If the tip of the peripheral wall 4 is formed into a downward wedge shape with a tapered outer surface as shown in the drawing, the fitting between the fitting protrusion 2 and the fitting recess 6 can be made smooth.
垂下壁5は静電気記録装Wl類のトナー補給口20に設
けられた係合突起21を挟持するためのものであり、連
続的な壁によって構成されていても、多数の分割された
壁によって構成されていてもよい、垂下壁5の下端内側
には鐸7が設けられているが、このtq7は係合突起2
1の段差部22に係合される。前記した上壁3と垂下壁
5と鍔7とによって空間部8が形成されるが、この空間
部8には静電気記録装置類のトナー補給口20に設けら
れた係合突起21が嵌められる。The hanging wall 5 is for holding the engaging protrusion 21 provided in the toner replenishing port 20 of the electrostatic recording device Wl, and even if it is composed of a continuous wall, it can be composed of a large number of divided walls. A bell 7 is provided on the inner side of the lower end of the hanging wall 5, but this tq7 is connected to the engagement protrusion 2.
It is engaged with the stepped portion 22 of No. 1. A space 8 is formed by the above-mentioned upper wall 3, hanging wall 5, and collar 7, and an engaging protrusion 21 provided at a toner supply port 20 of an electrostatic recording device is fitted into this space 8.
なお、図中Cは保護キャップ、Dは栓を示す。In addition, in the figure, C indicates a protective cap and D indicates a stopper.
(使用方法と作用〕
本発明に係るトナー容器の使用方法と作用は次の通りで
ある。(Method of use and operation) The method of use and operation of the toner container according to the present invention are as follows.
その使用に際しては、トナー容器本体Aの口筒部1を下
向けにし、その口筒部1を静電気記録装置i71に4の
トナー補給口20に臨ませる(第2図イ参照)。When using the toner container main body A, the spout 1 of the toner container main body A is turned downward, and the spout 1 is made to face the toner replenishing port 20 of the electrostatic recording device i71 (see FIG. 2A).
トナー容器本体Aを押し込むと、トナー補給口20の中
央に設けた係合突起21の先端が垂下壁5を押し拡げな
がら空間部8に進入し、空間部8内に係合突起21が嵌
まる(第2図口参照)、更に、トナー容器本体Aを押し
込むと、上壁3の周囲が撓み、嵌合凸部2と嵌合凹部6
との嵌合が外れる(第2図ハ参照)、その結果、トナー
容器本体A内のトナーのトナー補給口20への排出が始
まることになる。このとき口筒部1の先端がトナー補給
口20内に挿入されるようにしておけば、口筒部1とト
ナー補給口20との間からトナーが外に飛び散ることを
完全に防止することができる。そして、トナー容器本体
Aをトナー補給口20の最下端まだ押し下げると、キャ
ップBは係合突起21によって相対的に持ち上げられた
状態となり、トナーの排出が一層進むことになる。この
とき、キャップBは係合突起21を空間部8で挟持して
いるので、キャップBがトナーの排出を邪魔することが
ない(第2図口参照)。トナーの排出が終わると、トナ
ー容器本体Aを引き上げる。When the toner container main body A is pushed in, the tip of the engagement protrusion 21 provided at the center of the toner supply port 20 enters the space 8 while pushing and expanding the hanging wall 5, and the engagement protrusion 21 is fitted into the space 8. (Refer to Figure 2) When the toner container main body A is further pushed in, the periphery of the upper wall 3 is bent, and the fitting convex portion 2 and the fitting concave portion 6 are bent.
As a result, the toner in the toner container main body A begins to be discharged to the toner supply port 20. At this time, if the tip of the opening tube part 1 is inserted into the toner supply port 20, it is possible to completely prevent toner from scattering outside from between the mouth tube part 1 and the toner supply port 20. can. When the toner container main body A is pushed down to the lowest end of the toner replenishing port 20, the cap B becomes relatively lifted by the engagement protrusion 21, and the toner is further discharged. At this time, since the cap B holds the engagement protrusion 21 in the space 8, the cap B does not interfere with the discharge of the toner (see the opening in FIG. 2). When the toner has been discharged, the toner container main body A is pulled up.
キャップBの周壁4の下端が口筒部1の嵌合凸部2に当
たると抵抗が生じ始める(第2図ハ参照)。その抵抗力
に抗して更にトナー容器本体Aを引き上げると嵌合凸部
2と嵌合凹部6とが嵌合する(第2図口参照)、そして
、トナー容器本体Aをより一層引き上げると、垂下壁5
の鍔7が段差部22から外れ、係合突起21は空間部8
から離脱して、トナーの補給は終了する(第2図口参照
)。When the lower end of the peripheral wall 4 of the cap B comes into contact with the fitting convex portion 2 of the mouth tube portion 1, resistance begins to occur (see FIG. 2C). When the toner container main body A is further pulled up against the resistance force, the fitting protrusion 2 and the fitting recess 6 are fitted together (see the opening in FIG. 2), and when the toner container main body A is further pulled up, hanging wall 5
The collar 7 is removed from the stepped portion 22, and the engagement protrusion 21 is removed from the space 8.
When the toner replenishment is completed, the toner replenishment is completed (see the opening in Figure 2).
本発明は、以上の如く構成してなるので、前記した従来
のトナー容器に較べて次の諸効果を期待することができ
る。即ち、本発明に係るトナー容器は、トナー容器本体
の嵌合凸部とキャップの嵌合凹部との嵌合によって開口
部をシールし、複数層からなるプラスチックフィルムに
よるシール手段を採用していないので、トナーへの異物
の混入や輸送中の振動等によるトナー洩れなどを起こす
ことがない。また、本発明に係るトナー容器は、トナー
容器本体の口筒部を静電気記録装置類のトナー補給口に
嵌め込み、補給が終わればこれを抜き取るだけであるか
ら、トナー容器が大型化しても何ら問題なくトナーの補
給作業を行うことができる。Since the present invention is configured as described above, the following effects can be expected compared to the conventional toner container described above. That is, the toner container according to the present invention seals the opening by fitting the fitting protrusion of the toner container main body with the fitting recess of the cap, and does not employ a sealing means using a plastic film consisting of multiple layers. , there is no possibility of foreign matter getting into the toner or toner leakage due to vibration during transportation. Further, in the toner container according to the present invention, since the mouth tube of the toner container main body is simply inserted into the toner replenishment port of an electrostatic recording device and removed after replenishment is completed, there is no problem even if the toner container becomes large. You can perform toner replenishment work without any hassle.
このように種々の効果を有する本発明は、産業上の利用
価値の高いものである。The present invention, which has various effects as described above, has high industrial utility value.
第1図は本発明に係るトナー容器の縦断面図、第2図は
第1図に示す本発明に係るトナー容器を静電気記録装置
類のトナー補給口へ嵌め込み脱着する状態の要部拡大断
面図を示す。
図中 A−・・・トナー容器本体、B・−・キャップ、
1−口筒部、2−・−嵌合凸部、3−上壁、4−・・周
壁、5−・垂下壁、6・−嵌合凹部、7−鍔。FIG. 1 is a longitudinal cross-sectional view of the toner container according to the present invention, and FIG. 2 is an enlarged cross-sectional view of the main parts of the toner container according to the present invention shown in FIG. shows. In the diagram A-...Toner container body, B--Cap,
1-mouth tube part, 2--fitting convex part, 3-upper wall, 4--peripheral wall, 5--hanging wall, 6--fitting recessed part, 7-flange.
Claims (1)
口筒部1を有し、該口筒部1の内壁にリング状の嵌合凸
部2が設けられたトナー容器本体Aと、上壁3とその縁
部から下方向に伸びる周壁4と周壁4より中心側にあっ
て上壁3から下方向に伸びる垂下壁5とからなり、周壁
4の外周には前記トナー容器本体Aの嵌合凸部2に嵌ま
り得る嵌合凹部6が設けられ、垂下壁5の下端内側には
鍔7が設けられ、上壁3と垂下壁5と鍔7とで囲まれた
空間部が前記トナー補給部の中央部に設けられた係合突
起と嵌まり得る形状をした可撓性を有するキャップBと
からなることを特徴とするトナー容器。(1) A toner container main body A having a spout portion 1 that can fit into a toner supply port of an electrostatic recording device, and a ring-shaped fitting convex portion 2 provided on the inner wall of the spout portion 1; Consisting of a wall 3, a peripheral wall 4 extending downward from the edge thereof, and a hanging wall 5 located toward the center of the peripheral wall 4 and extending downward from the upper wall 3, the toner container main body A is fitted onto the outer periphery of the peripheral wall 4. A fitting recess 6 into which the fitting protrusion 2 can be fitted is provided, a collar 7 is provided inside the lower end of the hanging wall 5, and a space surrounded by the upper wall 3, the hanging wall 5, and the collar 7 is used to store the toner. A toner container comprising a flexible cap B that is shaped to fit into an engaging protrusion provided at the center of a replenishing portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62278978A JPH01120587A (en) | 1987-11-04 | 1987-11-04 | Toner container |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62278978A JPH01120587A (en) | 1987-11-04 | 1987-11-04 | Toner container |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01120587A true JPH01120587A (en) | 1989-05-12 |
Family
ID=17604720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62278978A Pending JPH01120587A (en) | 1987-11-04 | 1987-11-04 | Toner container |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01120587A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5481344A (en) * | 1993-07-31 | 1996-01-02 | Kao Corporation | Auxiliary device, cartridge and apparatus for toner supply |
WO1999009460A1 (en) * | 1997-08-19 | 1999-02-25 | Showa Marutsutsu Co., Ltd. | Toner cartridge and mechanism for opening and closing communication port of the same |
KR100392752B1 (en) * | 2000-02-29 | 2003-07-28 | 가부시키가이샤 리코 | Powder container, method of assembling the same and method of reducing the volume of the same |
US8090302B2 (en) | 2007-11-16 | 2012-01-03 | Fuji Xerox Co., Ltd. | Closing member for a developer containing device and method for producing such device |
-
1987
- 1987-11-04 JP JP62278978A patent/JPH01120587A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5481344A (en) * | 1993-07-31 | 1996-01-02 | Kao Corporation | Auxiliary device, cartridge and apparatus for toner supply |
WO1999009460A1 (en) * | 1997-08-19 | 1999-02-25 | Showa Marutsutsu Co., Ltd. | Toner cartridge and mechanism for opening and closing communication port of the same |
KR100392752B1 (en) * | 2000-02-29 | 2003-07-28 | 가부시키가이샤 리코 | Powder container, method of assembling the same and method of reducing the volume of the same |
US8090302B2 (en) | 2007-11-16 | 2012-01-03 | Fuji Xerox Co., Ltd. | Closing member for a developer containing device and method for producing such device |
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