EP0578158A2 - Toner supply device - Google Patents

Toner supply device Download PDF

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Publication number
EP0578158A2
EP0578158A2 EP93110654A EP93110654A EP0578158A2 EP 0578158 A2 EP0578158 A2 EP 0578158A2 EP 93110654 A EP93110654 A EP 93110654A EP 93110654 A EP93110654 A EP 93110654A EP 0578158 A2 EP0578158 A2 EP 0578158A2
Authority
EP
European Patent Office
Prior art keywords
toner
container
refill device
cone
spring
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.)
Withdrawn
Application number
EP93110654A
Other languages
German (de)
French (fr)
Other versions
EP0578158A3 (en
Inventor
Fritz Beglinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEMO KLEINMONTAGEN AG
Original Assignee
BEMO KLEINMONTAGEN AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BEMO KLEINMONTAGEN AG filed Critical BEMO KLEINMONTAGEN AG
Publication of EP0578158A2 publication Critical patent/EP0578158A2/en
Publication of EP0578158A3 publication Critical patent/EP0578158A3/xx
Withdrawn legal-status Critical Current

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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
    • G03G15/0894—Reconditioning of the developer unit, i.e. reusing or recycling parts of the unit, e.g. resealing of the unit before refilling with toner
    • 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
    • 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

Definitions

  • the present invention relates to a refill device for fine-grained or powdery goods, in particular toners for toner cartridges of laser printers, photocopiers and the like. the like
  • Either disposable toner modules, which are replaced after toner consumption, or refillable toner cartridges are common for the after-supply.
  • a refill device for fine-grained or powdery goods in particular toner for toner cartridges of laser printers, photocopiers and the like.
  • a container which holds refillable material and which on the outlet side merges via a funnel-shaped wall part into an inlet connector which is intended for insertion into a filling opening of a toner cartridge and comprises a closure pin or closure cone which can be displaced relative to the container against the action of a closing spring.
  • each toner cartridge with a corresponding filling opening in a form-fitting manner to the inlet nozzle on the refill device is provided, quickly and absolutely clean and to be refilled several times with toner, whereby the pressure exerted to move the sealing cone against the action of the closing spring ensures an effective seal between the inlet nozzle and the cartridge to be filled, thus preventing the toner from being dusted into the environment.
  • a further refinement of the subject matter of the invention can then preferably consist of the closure cone being displaceable out of the inlet connection via an actuating rod which penetrates the container and can be pressed down against the spring, or that the closure cone on the inside of a cylindrical outlet part forming the inlet connection Container surrounding, arranged against the action of the spring sleeve
  • the container is closed on the top side by a cover part which has a vent hole which is closed by a tear-off and guarantee film.
  • the present invention further relates to a use the refill device according to the invention for refilling toner in a toner cartridge of a laser printer, photocopier or the like.
  • the refill device according to FIG. 1 comprises a container 1 which holds the toner and, on the outlet side, merges via a funnel-shaped wall part 2 into an inlet connection 3 intended for insertion into a filling opening of a toner cartridge (not shown).
  • a closure cone 5 cooperates with the inlet nozzle 3, which can be pressed out of the inlet nozzle 3 against the action of a spring 4 in order to allow the toner to flow out.
  • the wear cone 5 is fastened to an actuating rod 6, which penetrates the container 1 upwards and can be pressed down against the spring 4 and which carries an actuating flange 7 at the free end, which forms a counter shoulder for the spring 4, which is supported on the other hand on the cover part 8.
  • a securing sleeve (not shown in detail) can be placed on the free end of the actuating rod in order to prevent the locking cone from being pressed down undesirably.
  • An essentially axial bore 9 in the actuating rod 6 serves to vent the module to be filled (not shown).
  • a bore 13 in the cover part 8 serves for pressure equalization in the emptying container 1, which is expediently closed by a tear-off and guarantee film 12.
  • the sealing cone 5 ' is alternatively arranged on the inside of a sleeve which is open on the bottom and forms a inlet part 3' and surrounds a cylindrical outlet part 10 on the container 1 and can be pressed in against the action of the spring 4 between it.
  • a jacket bore 14 serves to vent the module to be filled (not shown).
  • the container of the refill device can be made of any material, but preferably crystal-clear plastic, the latter allowing the toner color to be recognized without further markings.
  • the container can have any geometric cross-section, but can preferably be cylindrical.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

The supply device for finely granulated or powdery products, in particular for toner for toner cartridges of laser printers, photocopiers and the like, is characterised by a container (1) which receives the supply product and merges on the outlet side via a funnel-shaped wall part (2) into an inlet nozzle (3; 3') which is intended for insertion into a filling opening of a toner cartridge. The container comprises a closure pin or closure cone (5; 5') which can be displaced relative to the container (1) counter to the effect of a closing spring (4). It is thus possible to supply each toner cartridge, which is provided with a corresponding filling opening in a positive-locking manner with the inlet nozzle on the supply device, with toner quickly and completely cleanly as well as repeatedly, the pressure exerted for displacing the closure cone counter to the effect of the closing spring guaranteeing an effective seal between the inlet nozzle and the cartridge to be filled and thus preventing the toner being spilt into the surroundings. <IMAGE>

Description

Die vorliegende Erfindung betrifft eine Nachfüllvorrichtung für feingranulare oder pulverförmige Güter, insbesondere Toner für Toner-Kassetten von Laserdrucker, Fotokopierer u. dgl.The present invention relates to a refill device for fine-grained or powdery goods, in particular toners for toner cartridges of laser printers, photocopiers and the like. the like

Für Laserdrucker, Fotokopierer u. dgl. stellt sich das Problem der Nachversorgung des Toners, der sich in Abhängigkeit der Anzahl Ausdrucke resp. Kopien relativ rasch verbraucht.For laser printers, photocopiers and The like. The problem of supplying the toner arises, which is dependent on the number of prints or Copies used up relatively quickly.

Für die Nachversorgung sind entweder wegwerfbare Toner-Module, die nach Toner-Verbrauch ausgewechselt werden, oder nachfüllbare Toner-Kassetten üblich.Either disposable toner modules, which are replaced after toner consumption, or refillable toner cartridges are common for the after-supply.

Während erstere vergleichsweise teuer und höchst umweltbelastend sind, stossen letztere auf Widerstand beim Verbraucher, da das Nachfüllen des staubförmigen Toners aus Beuteln oder Flaschen o. dgl. eine ziemlich umständliche und sehr schmutzige Angelegenheit ist.While the former are comparatively expensive and extremely polluting the latter encounter resistance from the consumer, since refilling the dusty toner from bags or bottles or the like is a rather cumbersome and very dirty matter.

Es ist somit Aufgabe der vorliegenden Erfindung, eine Nachfüllvorrichtung für feingranulare oder pulverförmige Güter, insbesondere Toner für Tonerkassetten von Laserdrucker, Fotokopierer u. dgl. zu schaffen, welche eine leichte und absolut saubere Nachfüllung von Toner-Kassetten erlaubt, wobei mit dieser Nachfüllvorrichtung jede bestehende Art von Toner-Kassetten, evtl. nach geringer Vorbereitung (Herstellung einer Füllöffnung), nachgefüllt werden kann.It is therefore an object of the present invention to provide a refill device for fine-grained or powdery goods, in particular toner for toner cartridges of laser printers, photocopiers and the like. To create, which allows easy and absolutely clean refill of toner cartridges, with this refill any existing type of toner cartridges, possibly after little preparation (making a fill opening), can be refilled.

Dies wird erfindungsgemäss erreicht durch einen, Nachfüllgut aufnehmenden Behälter, der auslaufseitig über einen trichterförmigen Wandungsteil in einen, zum Einstecken in eine Füllöffnung einer Toner-Kassette bestimmten Einlaufstutzen übergeht sowie einen relativ zum Behälter gegen die Wirkung einer Schliessfeder verschiebbaren Verschlusszapfen oder Verschlusskegel umfasst.This is achieved according to the invention by a container which holds refillable material and which on the outlet side merges via a funnel-shaped wall part into an inlet connector which is intended for insertion into a filling opening of a toner cartridge and comprises a closure pin or closure cone which can be displaced relative to the container against the action of a closing spring.

Durch diese erfindungsgemässen Massnahmen ist es nunmehr möglich, jede Toner-Kassette, die mit einer entsprechenden Füllöffnung formschlüssig dem Einlaufstutzen an der Nachfüllvorrichtung versehen ist, rasch und absolut sauber sowie mehrmals mit Toner nachzufüllen, wobei der ausgeübte Druck zum Verschieben des Verschlusskegels gegen die Wirkung der Schliessfeder eine wirksame Abdichtung zwischen Einlaufstutzen und zu füllenden Kassette gewährleistet und so ein Ausstauben des Toners in die Umgebung verhindert.By means of these measures according to the invention, it is now possible to fit each toner cartridge with a corresponding filling opening in a form-fitting manner to the inlet nozzle on the refill device is provided, quickly and absolutely clean and to be refilled several times with toner, whereby the pressure exerted to move the sealing cone against the action of the closing spring ensures an effective seal between the inlet nozzle and the cartridge to be filled, thus preventing the toner from being dusted into the environment.

Bevorzugt kann eine weitere Ausgestaltung des Erfindungsgegenstandes dann darin bestehen, dass der Verschlusskegel über eine, den Behälter nach oben durchdringende, gegen die Feder niederdrückbare Betätigungsstange aus dem Einlaufstutzen heraus verschiebbar ist oder, dass der Verschlusskegel innenseitig einer, den Einlaufstutzen bildenden, einen zylindrischen Auslaufteil am Behälter umgebenden, gegen die Wirkung der Feder eindrückbaren Hülse angeordnetA further refinement of the subject matter of the invention can then preferably consist of the closure cone being displaceable out of the inlet connection via an actuating rod which penetrates the container and can be pressed down against the spring, or that the closure cone on the inside of a cylindrical outlet part forming the inlet connection Container surrounding, arranged against the action of the spring sleeve

ist. Zudem kann es für einen Druckausgleich im sich entleerenden Behälter zweckmässig sein, wenn der Behälter obenseitig durch einen Deckelteil verschlossen ist, der eine, durch eine Abreiss- und Garantiefolie verschlossene Entlüftungsbohrung aufweist.is. In addition, for pressure equalization in the emptying container, it can be expedient if the container is closed on the top side by a cover part which has a vent hole which is closed by a tear-off and guarantee film.

Weiter betrifft die vorliegende Erfindung eine Verwendung der erfindungsgemässen Nachfüllvorrichtung zum Nachfüllen von Toner in einer Toner-Kassette eines Laserdruckers, Fotokopierers o. dgl.The present invention further relates to a use the refill device according to the invention for refilling toner in a toner cartridge of a laser printer, photocopier or the like.

Beispielsweise Ausführungsformen des Erfindungsgegenstandes sind nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:

Fig. 1
in schaubildartiger Darstellung teilweise im Schnitt eine Nachfüllvorrichtung für Toner zum Nachfüllen von Toner-Kassetten und
Fig. 2
eine Ausführungsvariante der Anordnung gemäss Fig. 1.
For example, embodiments of the subject matter of the invention are explained in more detail below with reference to the drawing. Show it:
Fig. 1
in a diagrammatic representation, partly in section, a refill device for toner for refilling toner cartridges and
Fig. 2
an embodiment of the arrangement according to FIG. 1.

Die Nachfüllvorrichtung gemäss Fig. 1 umfasst einen, den Toner aufnehmenden Behälter 1, der auslaufseitig über einen trichterförmigen Wandungsteil 2 in einen, zum Einstecken in eine Füllöffnung einer Toner-Kassette (nicht gezeigt) bestimmten Einlaufstutzen 3 übergeht.The refill device according to FIG. 1 comprises a container 1 which holds the toner and, on the outlet side, merges via a funnel-shaped wall part 2 into an inlet connection 3 intended for insertion into a filling opening of a toner cartridge (not shown).

Mit dem Einlaufstutzen 3 wirkt innenseitig ein Verschlusskegel 5 zusammen, der gegen die Wirkung einer Feder 4 aus dem Einlaufstutzen 3 herausdrückbar ist, um den Toner ausfliessen zu lassen.On the inside, a closure cone 5 cooperates with the inlet nozzle 3, which can be pressed out of the inlet nozzle 3 against the action of a spring 4 in order to allow the toner to flow out.

Hierfür ist der Verschleisskegel 5 an einer, den Behälter 1 nach oben durchdringenden, gegen die Feder 4 niederdrückbaren Betätigungsstange 6 befestigt, die am freien Ende einen Betätigungsflansch 7 trägt, der eine Gegenschulter für die Feder 4 bildet, die sich andrerseits am Deckelteil 8 abstützt.For this purpose, the wear cone 5 is fastened to an actuating rod 6, which penetrates the container 1 upwards and can be pressed down against the spring 4 and which carries an actuating flange 7 at the free end, which forms a counter shoulder for the spring 4, which is supported on the other hand on the cover part 8.

Eine nicht näher gezeigte Sicherungshülse kann hierbei auf das freie Ende der Betätigungsstange aufgesetzt sein, um ein unerwünschtes Niederdrücken des Verschlusskegels zu verhindern.A securing sleeve (not shown in detail) can be placed on the free end of the actuating rod in order to prevent the locking cone from being pressed down undesirably.

Der Entlüftung des zu füllenden Moduls (nicht gezeigt) dient eine im wesentlichen axiale Bohrung 9 in der Betätigungsstange 6.An essentially axial bore 9 in the actuating rod 6 serves to vent the module to be filled (not shown).

Für einen Druckausgleich im sich entleerenden Behälter 1 dient eine Bohrung 13 im Deckelteil 8, die zweckmässig durch eine Abreiss- und Garantiefolie 12 verschlossen ist.A bore 13 in the cover part 8 serves for pressure equalization in the emptying container 1, which is expediently closed by a tear-off and guarantee film 12.

Gemäss Fig. 2 ist alternativ der Verschlusskegel 5' innenseitig einer, den Einlaufstutzen 3' bildenden, einen zylindrischen Auslaufteil 10 am Behälter 1 umgebenden, gegen die Wirkung der hier zwischenliegenden Feder 4 eindrückbaren, bodenseitig offenen Hülse angeordnet.According to FIG. 2, the sealing cone 5 'is alternatively arranged on the inside of a sleeve which is open on the bottom and forms a inlet part 3' and surrounds a cylindrical outlet part 10 on the container 1 and can be pressed in against the action of the spring 4 between it.

Der Entlüftung des zu füllenden Moduls (nicht gezeigt) dient eine Mantelbohrung 14.A jacket bore 14 serves to vent the module to be filled (not shown).

Selbstverständlich sind im Rahmen der Erfindung eine Reihe von Ausführungsvarianten denkbar, ohne dabei den Erfindungsgedanken zu verlassen.Of course, a number of design variants are conceivable within the scope of the invention without departing from the inventive concept.

So kann der Behälter der Nachfüllvorrichtung von beliebigem Material, vorzugsweise aber glasklarem Kunststoff sein, wobei letzteres gestattet, die Tonerfarbe ohne weitere Markierungen zu erkennen. Der Behälter kann dabei jeden geometrischen Querschnitt aufweisen, vorzugsweise aber zylinderförmig sein.The container of the refill device can be made of any material, but preferably crystal-clear plastic, the latter allowing the toner color to be recognized without further markings. The container can have any geometric cross-section, but can preferably be cylindrical.

Claims (5)

Nachfüllvorrichtung für feingranulare oder pulverförmige Güter, insbesondere Toner für Toner-Kassetten von Laserdrucker, Fotokopierer u. dgl., gekennzeichnet durch einen, Nachfüllgut aufnehmenden Behälter (1), der auslaufseitig über einen trichterförmigen Wandungsteil (2) in einen, zum Einstecken in eine Füllöffnung einer Toner-Kassette bestimmten Einlaufstutzen (3;3') übergeht sowie einen relativ zum Behälter (1) gegen die Wirkung einer Schliessfeder (4) verschiebbaren Verschlusszapfen oder Verschlusskegel (5;5') umfasst.Refill device for fine-grained or powdery goods, in particular toner for toner cartridges of laser printers, photocopiers and the like. The like., characterized by a container (1) which holds refillable goods and which on the outlet side merges via a funnel-shaped wall part (2) into an inlet connector (3; 3 ') intended for insertion into a filling opening of a toner cartridge and also relative to the container ( 1) comprises locking pin or locking cone (5; 5 ') which can be displaced against the action of a closing spring (4). Nachfüllvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Verschlusskegel (5) über eine, den Behälter (1) nach oben durchdringende, gegen die Feder (4) niederdrückbare Betätigungsstange (6) aus dem Einlaufstutzen (3) heraus verschiebbar ist.Refill device according to claim 1, characterized in that the closure cone (5) is displaceable out of the inlet port (3) via an actuating rod (6) which penetrates the container (1) and can be pressed down against the spring (4). Nachfüllvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Verschlusskegel (5') innenseitig einer, den Einlaufstutzen (3') bildenden, einen zylindrischen Auslaufteil (10) am Behälter (1) umgebenden, gegen die Wirkung der Feder (4) eindrückbaren Hülse angeordnet ist.Refill device according to Claim 1, characterized in that the closure cone (5 ') is arranged on the inside of a sleeve which forms the inlet connection (3') and surrounds a cylindrical outlet part (10) on the container (1) and can be pressed in against the action of the spring (4) is. Nachfüllvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Behälter (1) obenseitig durch einen Deckelteil (8) verschlossen ist, der eine, durch eine Abreiss- und Garantiefolie (12) verschlossene Entlüftungsbohrung (13) aufweist.Refill device according to claim 1, characterized in that the container (1) is closed at the top by a cover part (8) which has a vent hole (13) closed by a tear-off and guarantee film (12). Verwendung der Nachfüllvorrichtung nach Anspruch 1 zum Nachfüllen von Toner in eine Toner-Kassette eines Laserdruckers, Fotokopierers o. dgl.Use of the refill device according to claim 1 for refilling toner in a toner cartridge of a laser printer, photocopier or the like.
EP93110654A 1992-07-07 1993-07-03 Toner supply device Withdrawn EP0578158A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH214292 1992-07-07
CH2142/92 1992-07-07

Publications (2)

Publication Number Publication Date
EP0578158A2 true EP0578158A2 (en) 1994-01-12
EP0578158A3 EP0578158A3 (en) 1994-04-13

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EP93110654A Withdrawn EP0578158A2 (en) 1992-07-07 1993-07-03 Toner supply device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004036319A1 (en) * 2002-10-14 2004-04-29 Stockforsa Invest Ab Feeding of toner
WO2008085126A1 (en) * 2007-01-08 2008-07-17 Tfm Sweden Aktiebolag Method and device for refilling of toner powder
CN110347026A (en) * 2019-08-12 2019-10-18 佛山普瑞威尔科技有限公司 A kind of powder adding barrel with flour feeding hole and plus powder box

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2017852A1 (en) * 1969-04-16 1970-11-05 Creed & Company Ltd., Brighton, Sussex (Großbritannien) Device for dust-free refilling of magnetic powder storage containers
JPS6080878A (en) * 1983-10-08 1985-05-08 Olympus Optical Co Ltd Toner cartridge
JPS60230676A (en) * 1984-04-28 1985-11-16 Ricoh Co Ltd Toner containing vessel
JPS63271378A (en) * 1987-04-30 1988-11-09 Toshiba Corp Toner feeder for copying machine
JPH049982A (en) * 1990-04-27 1992-01-14 Mita Ind Co Ltd Image forming device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2017852A1 (en) * 1969-04-16 1970-11-05 Creed & Company Ltd., Brighton, Sussex (Großbritannien) Device for dust-free refilling of magnetic powder storage containers
JPS6080878A (en) * 1983-10-08 1985-05-08 Olympus Optical Co Ltd Toner cartridge
JPS60230676A (en) * 1984-04-28 1985-11-16 Ricoh Co Ltd Toner containing vessel
JPS63271378A (en) * 1987-04-30 1988-11-09 Toshiba Corp Toner feeder for copying machine
JPH049982A (en) * 1990-04-27 1992-01-14 Mita Ind Co Ltd Image forming device

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 97 (P-446)(2154) 15. April 1986 & JP-A-60 230 676 (RICOH K.K.) 16. November 1985 *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 89 (P-836)(3437) 2. März 1989 & JP-A-63 271 378 (TOSHIBA CORP) 9. November 1988 *
PATENT ABSTRACTS OF JAPAN vol. 16, no. 160 (P-1340)20. April 1992 & JP-A-04 009 982 (MITA IND CO LTD) 14. Januar 1992 *
PATENT ABSTRACTS OF JAPAN vol. 9, no. 224 (P-387)(1947) 10. September 1985 & JP-A-60 080 878 (OLYMPUS KOGAKU KOGYO K.K.) 8. Mai 1985 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004036319A1 (en) * 2002-10-14 2004-04-29 Stockforsa Invest Ab Feeding of toner
WO2008085126A1 (en) * 2007-01-08 2008-07-17 Tfm Sweden Aktiebolag Method and device for refilling of toner powder
CN110347026A (en) * 2019-08-12 2019-10-18 佛山普瑞威尔科技有限公司 A kind of powder adding barrel with flour feeding hole and plus powder box

Also Published As

Publication number Publication date
EP0578158A3 (en) 1994-04-13

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