EP1275509A2 - Tintenpatrone mit Leerkammer - Google Patents
Tintenpatrone mit Leerkammer Download PDFInfo
- Publication number
- EP1275509A2 EP1275509A2 EP02013465A EP02013465A EP1275509A2 EP 1275509 A2 EP1275509 A2 EP 1275509A2 EP 02013465 A EP02013465 A EP 02013465A EP 02013465 A EP02013465 A EP 02013465A EP 1275509 A2 EP1275509 A2 EP 1275509A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- ink
- chamber
- ink cartridge
- empty
- cartridge
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 230000002745 absorbent Effects 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 206010040954 Skin wrinkling Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- -1 felt Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17513—Inner structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
Definitions
- the invention relates to an ink cartridge for an inkjet printer, which has a housing with longitudinal walls and a lid, the longitudinal walls between their have respective tapered ends and their respective lower ends.
- a such an ink cartridge generally has a cartridge housing with more than one chamber on, a porous material for storing the ink being provided in the chambers.
- the cartridge housing has a base plate, side walls, partitions and a cover on. Base plate, side walls and partitions are as a one-piece plastic injection molded part educated. Side walls and base plate can be both flat and preferably be structured in three dimensions.
- Such ink cartridges are out known in the art.
- the invention is therefore based on the object of an ink cartridge at the outset Specify the type described, which is technically simple and inexpensive can be produced without having the disadvantages of the prior art mentioned.
- the ink cartridge according to the invention has a housing with longitudinal walls and one Cover with the longitudinal walls of the housing between their respective upper end and have a taper at their respective lower ends, the inside of the Ink cartridge partition walls are formed which are a disc-shaped ink chamber or limit several disk-shaped ink chambers, and being next to the ink chamber or the ink chambers have at least one empty chamber.
- empty chamber is understood to mean a chamber which is not serves as an ink reservoir.
- the empty chamber essentially comprises that to the disk-shaped ink chamber (s) adjacent area between one of the partitions and one of the long walls.
- the empty chamber essentially comprises that to the disk-shaped ink chamber (s) adjacent area between one of the partitions and one of the long walls.
- the two empty chambers are connected to each other via a narrow side or that the two empty chambers, for example for reasons of stability, are further subdivided. So can for example, cross bracing to support the partitions.
- One or more disk-shaped ink chambers are formed by the partition walls, which the use of sponges of constant thickness and thus simpler geometry enable.
- “disk-shaped” is to be understood accordingly that the ink chamber in the has a uniform width over its entire base area. So that can the sponges used in such a cartridge in a conventional manner are punched out of sponge plates of constant thickness. An elaborate and expensive Adjustment of the ink storage sponges in the thickness direction can be omitted.
- the housing can be molded or cast from a plastic in the usual way.
- the Partitions are preferably integrally formed with the housing so that there is none additional work step is required to generate and use them. In this way this results overall in a time saving in the production of the invention Ink cartridge over those of the prior art. Connected to the simpler Sponge making is also a cost saving in sponge making and thus the entire ink cartridge.
- a on the top of the lid meandering groove formed, one end of which in a ventilation opening into the interior of the Housing opens.
- the ventilation opening is usually also used to fill the Ink cartridge.
- the lid is glued with a film to transport the cartridge or welded, which covers the entire groove and the ventilation opening. To this The interior of the cartridge is initially completely sealed. Before or after When the cartridge is inserted into the printer, part of the film is torn off, leaving the second End of the groove is exposed to the outside. That way inside the cartridge Penetrating air allows ink to be drawn from the printer. For tearing off the film a suitable predetermined tear point is preferably formed.
- the meandering shape of the groove serves to result from the ventilation opening Absorb pressure fluctuations as ink leaks and ink loss due to evaporation to keep as low as possible.
- the film can be one with a thermoplastic Material coated aluminum foil or a laminated or non-laminated thermoplastic film.
- the film can for example be glued, e.g. With a hot melt adhesive, attached to the lid.
- the ventilation opening opens into the ink chamber, wherein the ink chamber is hermetically sealed against the at least one empty chamber.
- the ventilation opening opens into one of the Empty chambers, a connecting line between this empty chamber and the Ink chamber is present.
- the empty chamber thus serves as a compensation chamber between Ink chamber and surrounding atmosphere.
- the Connection line preferably formed as a groove in the lid. This will ensures that ink is not immediately from the ink chamber to the empty chamber spilling over.
- the partitions themselves are designed without an opening.
- the connecting line between the chambers is therefore not a direct connecting line, but leads over the exterior of the housing.
- the film can be the same film act that also covers the meandering groove of the lid, but with the difference that the groove forming the connecting line must always be completely covered.
- the serving as compensation chamber An empty absorbent material can be attached, preferably in the area of the empty chamber Connection opening to the ink chamber, which serves as a result of pressure fluctuations absorb any ink that escapes.
- absorbent materials like Fibrous materials such as Cotton, felt, paper or porous materials such as Sponge materials, such as portions of the porous material used as an ink reservoir in question.
- FIGS. 1a and 1b is a perspective view of a housing 1 of an inventive See ink cartridge.
- the housing has a cover 2 (not in FIGS. 1a and 1b visible), which is firmly attached to the lower part of the housing (e.g. by welding) connected is.
- the housing has two longitudinal walls 3, between their upper ends 3a and their lower ends 3b each have a taper 3c. in the case shown, the housing of the ink cartridge is tapered downwards.
- the inside of the ink cartridge is divided by partitions 4.
- the partitions 4 delimit on the one hand a central ink chamber 5, which extends over the entire length has uniform thickness, and two empty chambers 6; 7th
- the two partition walls 4 extend consistently over the entire length of the housing 1. Between the ink chamber 5 and the two empty chambers 6; 7 there is no connection in the partition walls 4.
- the housing described can be closed, for example, by a cover 2, as it is 4 to 6 is shown.
- 4 is a meandering shape Groove 8 can be seen, one end 8a of which opens into an opening 9 into the interior of the housing.
- the opening 9 is arranged centrally here, so that it leads directly into the ink chamber 5.
- the second end 8b of the meandering groove is extended to a vertical arm.
- the cartridge is at least the area of the ventilation opening 9 and meandering groove 8 covered by a film, a predetermined tear point being formed that when the film is torn off, the end 8b is exposed, so that through the groove 8 and Ventilation opening 9 an air exchange with the environment can take place.
- FIG. 5 shows a cross section through the lid of FIG. 4, clearly showing the continuous ventilation opening 9 and the groove or recess 8 can be seen.
- FIG. 6a is the same cover in perspective from above and in perspective from below shown.
- Fig. 7 is the lid of a second embodiment of an inventive Ink cartridge shown in top view.
- the lower part of the housing of this second Embodiment corresponds to that shown in FIGS. 1 to 3.
- this lid is on the top of a meandering groove 8, one end 8a in a Ventilation opening 9 opens.
- the ventilation opening 9 shown here leads, however, differently than in the previously described embodiment, in one of the empty chambers in the present Fall into the right empty chamber. This empty chamber is thus above the groove with the environment in connection.
- a groove is formed at a distance from the ventilation opening Connection line 10 can be seen in the lid 2, which the ink chamber with one Empty chamber connects.
- This connecting line 10 runs here on the top of the Lid, as well as the meandering groove 8.
- connection opening 11 One end of the groove opens into one Connection opening 11, which leads to the empty chamber, and the other end of the Connection line 10 opens into an opening 12 which leads to the ink tank.
- the cover is completely or only in the area of the grooves and openings shown by a sealing film covered, which is partially indicated here by hatched lines.
- a sealing film covered On the dashed line in the upper left corner of the lid can be formed a predetermined tear through which front end 8b of the meandering groove can be exposed.
- the connecting line 10 is not a groove on the Top of the lid, but is formed as a groove on the underside of the lid.
- the Connection openings 11 and 12 can be omitted in this embodiment.
- An advantage This embodiment is that less sealing film is used because only the Area of the meandering groove 8 and the ventilation opening 9 may be covered by film got to. It is also possible to use the one that is not connected to the ink chamber Empty chamber with a hole in the outer wall to compensate for a drop in the ambient pressure, for example at high altitudes.
Landscapes
- Ink Jet (AREA)
- Pens And Brushes (AREA)
Abstract
Description
Claims (7)
- Tintenpatrone für einen Tintenstrahldrucker, aufweisend ein Gehäuse (1) mit Längswänden (3) und einem Deckel (2), wobei die Längswände (3) des Gehäuses (1) zwischen ihrem jeweiligen oberen Ende (3a) und ihrem jeweiligen unteren Ende (3b) eine Verjüngung (3c) aufweisen, dadurch gekennzeichnet, daß im Inneren der Tintenpatrone Trennwände (4) ausgebildet sind, die mindestens eine scheibenförmige Tintenkammer (5) zur Aufnahme eines porösen Materials begrenzen, und daß neben der mindestens einen Tintenkammer (5) mindestens eine Leerkammer (6; 7) vorhanden ist.
- Tintenpatrone nach Anspruch 1, dadurch gekennzeichnet, daß auf der Oberseite des Deckels (2) eine mäanderförmige Nut (8) ausgebildet ist, deren eines Ende (8a) in eine Belüftungsöffnung (9) ins Innere des Gehäuses (1) mündet.
- Tintenpatrone nach Anspruch 2, dadurch gekennzeichnet, daß die Belüftungsöffnung (9) in die Tintenkammer (5) mündet, wobei die Tintenkammer (5) hermetisch gegen die mindestens eine Leerkammer (6; 7) abgedichtet ist.
- Tintenpatrone nach Anspruch 2, dadurch gekennzeichnet, daß die Belüftungsöffnung (9) in eine der Leerkammern (6) mündet, wobei eine Verbindungsleitung (10) zwischen dieser Leerkammer (6) und der Tintenkammer (5) vorhanden ist.
- Tintenpatrone nach Anspruch 4, dadurch gekennzeichnet, daß die Verbindungsleitung (10) als eine Nut im Deckel (2) ausgebildet ist.
- Tintenpatrone nach Anspruch 5, dadurch gekennzeichnet, daß die die Verbindungsleitung (10) bildende Nut an der Oberseite des Deckels (2) ausgebildet und von einer Folie bedeckt ist.
- Tintenpatrone nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, daß an der Leerkammer (6) im Bereich der Verbindungsöffnung (11) zur Tintenkammer ein saugfähiges Material angebracht ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10133465 | 2001-07-10 | ||
| DE10133465A DE10133465B4 (de) | 2001-07-10 | 2001-07-10 | Tintenpatrone mit Leerkammer |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1275509A2 true EP1275509A2 (de) | 2003-01-15 |
| EP1275509A3 EP1275509A3 (de) | 2003-08-20 |
| EP1275509B1 EP1275509B1 (de) | 2006-10-11 |
Family
ID=7691264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02013465A Expired - Lifetime EP1275509B1 (de) | 2001-07-10 | 2002-06-14 | Tintenpatrone mit Leerkammer |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1275509B1 (de) |
| AT (1) | ATE342168T1 (de) |
| DE (2) | DE10133465B4 (de) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0640482A2 (de) | 1993-08-23 | 1995-03-01 | Canon Kabushiki Kaisha | Auswechselbare Tintenpatrone |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6247803B1 (en) * | 1983-10-13 | 2001-06-19 | Seiko Epson Corporation | Ink jet recording apparatus and method for replenishing ink in the tank cartridge |
| JP3513979B2 (ja) * | 1994-09-16 | 2004-03-31 | セイコーエプソン株式会社 | インクジェットプリンタ用インクカートリッジ |
| DE69031541T2 (de) * | 1989-10-20 | 1998-03-05 | Canon Kk | Farbstrahlgerät und Kassette mit Tintenvorratsbehälter auf diesem Gerät aufstellbar |
| US6007191A (en) * | 1993-08-19 | 1999-12-28 | Fuji Xerox Co., Ltd. | Ink supply unit |
| US6168266B1 (en) * | 1995-09-29 | 2001-01-02 | Canon Kabushiki Kaisha | Ink tank cartridge, a manufacturing method thereof and a packaging structure of the ink tank cartridge |
| EP0827836B1 (de) * | 1996-02-21 | 2005-05-04 | Seiko Epson Corporation | Tintenkartusche |
| JP3287791B2 (ja) * | 1997-07-30 | 2002-06-04 | キヤノン株式会社 | 液体収容室を有する液体収容容器への液体充填方法及び液体充填装置 |
| EP1300248B1 (de) * | 1998-03-30 | 2008-10-22 | Brother Kogyo Kabushiki Kaisha | Tintenpatrone und Verfahren zur Detektion der restlichen Tintenmenge |
-
2001
- 2001-07-10 DE DE10133465A patent/DE10133465B4/de not_active Expired - Fee Related
-
2002
- 2002-06-14 DE DE50208383T patent/DE50208383D1/de not_active Expired - Lifetime
- 2002-06-14 EP EP02013465A patent/EP1275509B1/de not_active Expired - Lifetime
- 2002-06-14 AT AT02013465T patent/ATE342168T1/de not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0640482A2 (de) | 1993-08-23 | 1995-03-01 | Canon Kabushiki Kaisha | Auswechselbare Tintenpatrone |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50208383D1 (de) | 2006-11-23 |
| EP1275509A3 (de) | 2003-08-20 |
| ATE342168T1 (de) | 2006-11-15 |
| DE10133465A1 (de) | 2003-01-30 |
| EP1275509B1 (de) | 2006-10-11 |
| DE10133465B4 (de) | 2006-10-05 |
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