EP0235632A2 - Dispositif d'alimentation en papier pour feuilles et en bandes dans les imprimantes en particulier des imprimantes matricielles - Google Patents
Dispositif d'alimentation en papier pour feuilles et en bandes dans les imprimantes en particulier des imprimantes matricielles Download PDFInfo
- Publication number
- EP0235632A2 EP0235632A2 EP87101953A EP87101953A EP0235632A2 EP 0235632 A2 EP0235632 A2 EP 0235632A2 EP 87101953 A EP87101953 A EP 87101953A EP 87101953 A EP87101953 A EP 87101953A EP 0235632 A2 EP0235632 A2 EP 0235632A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- paper
- friction
- lever
- transport device
- 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
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
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/48—Apparatus for condensed record, tally strip, or like work using two or more papers, or sets of papers, e.g. devices for switching over from handling of copy material in sheet form to handling of copy material in continuous form and vice versa or point-of-sale printers comprising means for printing on continuous copy material, e.g. journal for tills, and on single sheets, e.g. cheques or receipts
-
- 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
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/26—Pin feeds
- B41J11/30—Pin traction elements other than wheels, e.g. pins on endless bands
-
- 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
- B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
- B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
-
- 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
- B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
- B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
- B41J13/103—Sheet holders, retainers, movable guides, or stationary guides for the sheet feeding section
Definitions
- the invention relates to a paper transport device for single sheets and continuous paper webs in printers, in particular in matrix printers, with a pressure abutment and friction roller pairs associated therewith and a tractor for the endless web.
- Such paper transport devices require the processing of single sheets and continuous paper webs in a rough division of finite and endless paper webs, the threading of the single sheets and continuous paper webs and the processing, i.e. Printing and feeding should be largely trouble-free. In such paper transport devices, however, not only single sheets and continuous paper webs, but also flight tickets, check cards, receipts of all kinds, stickers and the like are. processed.
- unused empty paper web sections are required in order to bring the respective paper path into the effective range of the drive elements.
- the arrangement of the drive elements can contribute to the formation of waves which ultimately lead to a paper jam, ie to a malfunction of the printer operation.
- more and more special properties of such a paper transport device are required, such as, for example, the retraction of a paper web when the paper type is selected incorrectly.
- the present invention has for its object to enable the insertion, wave-free printing and the removal and retraction of a paper web regardless of the choice of a finite or an endless paper web. At the same time, extremely economical use of paper when feeding into the drive elements is required in order to avoid empty paper web sections.
- the object is achieved according to the invention in that a pair of inlet friction rollers for a single sheet and a push tractor for an endless paper web are arranged in the paper guide direction in front of the pressure abutment and in that a pair of outlet friction rollers is provided behind the pressure abutment, a friction roller on the printer frame being stationary and rotatable is stored and the respective other friction roller of the two friction roller pairs can be raised and adjusted to the stationary friction roller again with a fixed, dependent contact pressure.
- the use of a tractor as a push tractor therefore means a spatial freedom behind the outlet friction pair of rollers, so that there are no more paper losses and that an extremely short distance between the pressure point and the outlet friction roller pair can be maintained, which in turn means that a short-term
- the respective paper web can be returned to the printing position. After leaving the pair of discharge friction rollers, the paper web can moreover be torn off easily without the paper having to be re-inserted manually or automatically. If, however, wave formation or even a jam occurs with multi-layer form sets, it is possible to easily remove the jam paper by opening the friction roller pairs even with such a paper transport device.
- the predetermined dependent contact pressure is a further advantage of the two pairs of friction rollers, so that the desired train can easily be built up in the respective paper web.
- the paper is therefore always smooth in front of the platen.
- the paper transport device according to the invention is particularly advantageously suitable for bar-shaped pressure abutments with a more straight line of the paper web, but it can also be used advantageously with
- the removable friction rollers are each mounted on an inlet or outlet roller lever which can be rotated about a pivot bearing.
- one of the friction rollers can be rotatably mounted in a stationary manner and the other friction roller is mounted on the respective roller lever and can be pivoted with it.
- the outlet roller lever is rotatably mounted on an axis running parallel to the pressure abutment and that at least one profile section is provided on the axis, on which a spring lever is also fixed in a rotationally fixed manner.
- a leg spring is supported with its one leg and the other leg on the spring lever connected to the axle on an intermediate lever rotatably mounted on the printer frame and that the axle is rotatably arranged in the intermediate lever. This creates a toggle joint between the outlet roller lever, the spring lever and the intermediate lever.
- the intermediate lever forms a pivot point for a tension spring and that the other link position for the tension spring is on the infeed roller lever.
- the infeed roller lever is also spring-loaded and is constantly held in the active position with the infeed friction roller.
- the contact forces between the friction roller pairs by means of the lever lengths of the roller axes of the friction rollers to the pivot bearings on the printer frame or the axis and by means of the force of the tension spring is set approximately in a ratio of 1: 1.4, the greater contact force refers to the pair of inlet friction rollers.
- This difference in the contact pressure of the inlet friction roller pair and the outlet friction roller pair has an advantageous effect on the insertion and the retraction of a finite or a continuous paper web.
- the desired friction forces can also be transmitted in their different sizes by a friction roller pair consisting of one or more rubber-coated rollers and one steel roller each.
- a pair of friction rollers consists of a rubber-coated roller and several smooth plastic rollers.
- plastic rollers When using plastic rollers it is also advantageous that a plastic roller is axially articulated and axially displaceably mounted on a drive shaft with a polygon cross section. This design connects both a suitable system to the course of the Paper web with the most favorable distribution of the friction forces across the paper web width.
- roller body is mounted on the drive axle with an approximately articulated center bar and by means of a resilient plastic ring.
- the basic position of the paper transport device is also ensured in that the outlet roller lever is supported on a support block.
- the pressure abutment (2) is more advantageous as a so-called silenced pressure beam.
- a pair of inlet friction rollers (13, 14) for a single sheet (17) and a push tractor (15) is also arranged in front of the pressure abutment (2).
- the push tractor (15) lies horizontally, so that the continuous paper web (16) is pushed into the vertical with a deflection radius (22).
- the friction roller pairs (11, 12 and 13, 14) are in a fixed relationship with regard to their contact pressure.
- a prerequisite for this is that a friction roller (11 and 14) is mounted on the printer frame (2b) by means of a rotary bearing (2c).
- the respective other friction rollers (12 or 13) can be lifted off and can be re-adjusted to the stationary friction roller (11 or 14) with a fixed, dependent contact pressure.
- An inlet roller lever (4) and an outlet roller lever (3) are used for this purpose, of which the inlet roller lever (4) is pivotally mounted about a pivot bearing (2d).
- the outlet roller lever (3) is rotatably connected to an intermediate lever (3a) via an axis (8), and the intermediate lever (3a) is rotatably mounted on the printer frame (2b) via the pivot bearing (2d).
- the outlet roller lever (3) carries the adjustable friction roller (12) and the inlet roller lever (4) carries the friction roller (13).
- the outlet roller lever (3) is rotatably connected to the axis (8) running parallel to the pressure abutment (2) via a profile section (8a). On the axis (8), the profile section (8a) is designed as a D-profile.
- the axis (8) is rotatably supported in a bushing (30).
- the bushing (30) is inserted in the intermediate lever (3a) in a rotationally fixed manner.
- the inlet roller lever (4) is supported on this bushing (30) when the axis (8) is pivoted under the force of a tension spring (5).
- the intermediate lever (3a) which is rotatably mounted on the printer frame (2b) and which can be pivoted about a pivot bearing (2d) and carries a leg spring (10), one leg (10a) of which is attached to the intermediate lever (3a) and the other leg (10b) of which engages a spring lever (9).
- the spring lever (9) is non-rotatably connected to the axle (8).
- a link point (3b) for the tension spring (5) is also provided on the intermediate lever (3a).
- the other articulation point (4a) for the tension spring (5) is located on the inlet roller lever (4).
- the tension spring (5) therefore exerts a force which pulls the friction roller (13) against the friction roller (14) as a torque around the swivel bearing (2d) of the inlet roller lever (4).
- the contact forces (F1 and F2) between the friction roller pairs (11/12 and 13/14) by means of the distances (a, b, c, d), the force (F - spring) the tension spring (5) is set approximately in the ratio 1: 1.4, the larger contact pressure (F2) referring to the inlet friction roller pair (13/14).
- aleha 46.5 degrees
- beta 6 degrees
- a 46.3 mm
- b 32.6 mm
- c 12 mm
- d 17.7 mm.
- the friction roller pair (13/14 or 11/12) consists of a rubber-coated roller (11a or 14a) and a (knurled) steel roller (12a or 13a).
- the friction conditions are also determined by the fact that all of the rollers are driven by the friction roller pairs (11/12 or 13/14).
- the plastic roller (18) shown in Fig. 4 can be used.
- the plastic roller (18) is arranged axially articulated and axially displaceable about the drive axis (12b), the drive axis (12b) being provided with a polygon cross section (12c).
- the roller body (18b) has only one web (18c) located approximately in the middle of the length, to which a resilient plastic ring (18d) is assigned, so that the roller body (18) oscillates through the spring arms (18e) and the ring cavities (18f) can.
- the paper transport device works as follows:
- the discontinued friction roller pair (11/12) performs two tasks. It tensions the single sheet (17) or the continuous paper web (16). It exits the respective paper type after leaving the inlet friction roller pair (13/14) or the tractor (15) from the printer.
- the outlet friction roller pair (11/12) covers a distance that is 0.2% greater than that of the tractor (15) or the inlet friction roller pair (13/14).
- the accumulating crossing is compensated for by sliding the pair of outlet friction rollers (11/12) on the paper type.
- the paper transport device is capable of smoothly transporting the respective type of paper from approx.
- One DIN A4 page ( 297 mm length) backwards.
- the pair of inlet friction rollers (13/14) is the determining factor. For this reason, the friction force of this pair of rollers is greater than that of the discontinued pair of friction rollers (11/12). Contributing to this effect are that the friction roller (14) is rubber-coated, that the friction roller (13) forms a (knurled) steel roller, that the friction roller (11a) is rubber-coated and that the axle (12) has two or more smooth plastic rollers (18) wearing.
- the selected lever lengths (a, b, c, d), the angle values for alpha and beta ensure that the frictional force of the outlet friction roller pair (11/12) is always less than that of the inlet friction roller pair (13/14).
- Push tractor drives can become problematic with multi-layer form sets. A feature of this is also due to the deflection radius (22). This creates a path difference between the first and last paper layer of a multi-layer paper form.
- the rubber-coated friction roller (11a) exerts friction on the paper.
- the plastic rollers (18) only have a guiding and pressing function. The smooth surface of the plastic rollers (18) exerts hardly any frictional forces on the paper.
- the axis (12) is nevertheless driven to compensate for the braking effect of the bearing friction.
- the first layer of paper is therefore not braked on the plastic roller (18), which can often lead to the formation of waves and ultimately to a paper jam.
- the friction roller pairs (11/12 and 13/14) can be removed using the outlet roller lever (3) can be opened.
- the drive axle (12b) is pivoted with the intermediate lever (3a), the leg spring (10) being compressed against its force and the spring lever (9) in the direction (23a) is pivoted.
- the drive axis (12a) is pivoted with its D-profile section (8a), whereby the infeed roller lever (4) is pivoted about its pivot bearing (2d) in the sense that the outfeed friction roller (13 ) from the friction roller (14).
Landscapes
- Delivering By Means Of Belts And Rollers (AREA)
- Advancing Webs (AREA)
- Handling Of Cut Paper (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Handling Of Sheets (AREA)
- Handling Of Continuous Sheets Of Paper (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87101953T ATE63718T1 (de) | 1986-03-04 | 1987-02-12 | Papiertransporteinrichtung fuer einzelblaetter und endlospapierbahnen in druckern, insbesondere in matrixdruckern. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3607079 | 1986-03-04 | ||
DE19863607079 DE3607079A1 (de) | 1986-03-04 | 1986-03-04 | Papiertransporteinrichtung fuer einzelblaetter und endlospapierbahnen in druckern, insbesondere in matrixdruckern |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0235632A2 true EP0235632A2 (fr) | 1987-09-09 |
EP0235632A3 EP0235632A3 (en) | 1988-07-13 |
EP0235632B1 EP0235632B1 (fr) | 1991-05-22 |
Family
ID=6295466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87101953A Expired - Lifetime EP0235632B1 (fr) | 1986-03-04 | 1987-02-12 | Dispositif d'alimentation en papier pour feuilles et en bandes dans les imprimantes en particulier des imprimantes matricielles |
Country Status (5)
Country | Link |
---|---|
US (1) | US4834277A (fr) |
EP (1) | EP0235632B1 (fr) |
JP (1) | JPS62227669A (fr) |
AT (1) | ATE63718T1 (fr) |
DE (2) | DE3607079A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0341418A2 (fr) * | 1988-04-08 | 1989-11-15 | Seiko Epson Corporation | Dispositif d'alimentation en papier |
EP0383332A2 (fr) * | 1989-02-15 | 1990-08-22 | Tokyo Electric Co., Ltd. | Transporteur de feuilles pour une imprimante |
US5158381A (en) * | 1989-07-19 | 1992-10-27 | Fujitsu Limited | Printing media feeding apparatus for printers |
CN1074382C (zh) * | 1996-09-12 | 2001-11-07 | 阿尔卑斯电气株式会社 | 打印机用自动供纸装置 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0616766Y2 (ja) * | 1987-12-25 | 1994-05-02 | シチズン時計株式会社 | プリンタトップカバー |
JP2574883Y2 (ja) * | 1988-05-13 | 1998-06-18 | 沖電気工業株式会社 | 水平インサータプリンタ |
US5295616A (en) * | 1988-05-24 | 1994-03-22 | Ricoh Company, Ltd. | Switchable automatic document feeder capable of feeding continuous form documents or single sheet documents |
US5335837A (en) * | 1988-05-24 | 1994-08-09 | Ricoh Company, Ltd. | Automatic document feeder responsive to paper jam |
DE3906611A1 (de) * | 1989-03-02 | 1990-09-06 | Philips Patentverwaltung | Anordnung zur verstellung eines druckers |
JPH02269077A (ja) * | 1989-04-11 | 1990-11-02 | Brother Ind Ltd | プリンタの用紙給送装置 |
EP0397090B1 (fr) * | 1989-05-08 | 1996-04-10 | Canon Kabushiki Kaisha | Appareil d'enregistrement |
JP2928298B2 (ja) * | 1989-12-15 | 1999-08-03 | 株式会社リコー | 自動原稿送り装置 |
JP2925614B2 (ja) * | 1989-12-20 | 1999-07-28 | 株式会社リコー | 自動原稿送り装置 |
US5602571A (en) * | 1990-03-14 | 1997-02-11 | Canon Kabushiki Kaisha | Sheet feeding apparatus and recording system with it |
JP3034902B2 (ja) * | 1990-04-18 | 2000-04-17 | 株式会社リコー | 用紙給送装置 |
US5232210A (en) * | 1990-07-03 | 1993-08-03 | Ricoh Company, Ltd. | Document feeding method for a recycling automatic document feeder |
CA2052214C (fr) * | 1990-09-27 | 2000-11-14 | Sohei Tanaka | Appareil et methode d'enregistrement d'images utilisant une tete d'enregistrement serie |
US5264873A (en) * | 1992-09-04 | 1993-11-23 | Eastman Kodak Company | Traction surfaces for thermal printer capstan drives |
US5294204A (en) * | 1992-12-18 | 1994-03-15 | Clary John G | Multi-line printer for slips or the like |
JP3088963B2 (ja) * | 1997-02-03 | 2000-09-18 | ニスカ株式会社 | ヒンジ装置 |
DE19749603C2 (de) * | 1997-11-10 | 1999-11-25 | Oce Printing Systems Gmbh | Vorrichtung zum traktorlosen Transport eines bandförmigen Aufzeichnungsträgers in einem elektrografischen Druck- oder Kopiergerät |
US6641314B2 (en) * | 2001-03-09 | 2003-11-04 | Fuji Photo Film Co., Ltd. | Color thermal printer having tension roller |
US6612562B2 (en) | 2001-12-21 | 2003-09-02 | Pitney Dowes Inc. | Method and system for feeding media to a printer |
US7066670B2 (en) * | 2004-02-10 | 2006-06-27 | Tallygenicom Lp | Printing method and apparatus |
ATE437975T1 (de) * | 2004-04-13 | 2009-08-15 | Applied Materials Gmbh & Co Kg | Führungsanordnung mit mindestens einer führungswalze für die führung von bändern in bandbehandlungsanlagen |
JP4527522B2 (ja) * | 2004-06-01 | 2010-08-18 | セイコーインスツル株式会社 | 熱活性化装置およびシート材の搬送方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2533782A1 (de) * | 1975-07-29 | 1977-02-03 | H Radenhaeuser & U Radermacher | Papierandruckrolle fuer schreibmaschinen o.dgl. |
CH626832A5 (en) * | 1977-04-04 | 1981-12-15 | Mannesmann Ag | Device for printing forms, in particular tickets |
EP0071713A2 (fr) * | 1981-06-19 | 1983-02-16 | Tokyo Electric Co. Ltd. | Dispositif d'alimentation en papier, notamment pour caisse enregistreuse électronique |
US4548523A (en) * | 1984-01-20 | 1985-10-22 | Varitronic Systems, Inc. | Precision tape feed and guide mechanism |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3330458A (en) * | 1965-05-17 | 1967-07-11 | Quik Chek Electronics And Phot | Removable pressure roller mechanism |
US3561660A (en) * | 1968-10-28 | 1971-02-09 | Burroughs Corp | Swiveling pressure roller assembly |
US3753483A (en) * | 1970-03-20 | 1973-08-21 | Memorex Corp | Typewriter dual feed apparatus |
US4272001A (en) * | 1979-10-15 | 1981-06-09 | Stephen Horniak | Ticket dispenser |
DE3214549C2 (de) * | 1982-04-20 | 1985-01-17 | Siemens AG, 1000 Berlin und 8000 München | Transportvorrichtung für randgelochtes Faltpapier und für Rollenpapier |
JPS58203074A (ja) * | 1982-05-24 | 1983-11-26 | Tokyo Electric Co Ltd | プリンタ |
EP0123310B1 (fr) * | 1983-04-26 | 1990-02-07 | Siemens Aktiengesellschaft | Alimentation en feuilles et en bandes pour imprimantes |
US4606663A (en) * | 1983-11-29 | 1986-08-19 | Siemens Aktiengesellschaft | Switchable paper transport device for single sheets and continuous paper in printers |
-
1986
- 1986-03-04 DE DE19863607079 patent/DE3607079A1/de active Granted
-
1987
- 1987-02-12 AT AT87101953T patent/ATE63718T1/de not_active IP Right Cessation
- 1987-02-12 DE DE8787101953T patent/DE3770182D1/de not_active Expired - Fee Related
- 1987-02-12 EP EP87101953A patent/EP0235632B1/fr not_active Expired - Lifetime
- 1987-03-04 JP JP62047897A patent/JPS62227669A/ja active Pending
- 1987-03-04 US US07/021,454 patent/US4834277A/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2533782A1 (de) * | 1975-07-29 | 1977-02-03 | H Radenhaeuser & U Radermacher | Papierandruckrolle fuer schreibmaschinen o.dgl. |
CH626832A5 (en) * | 1977-04-04 | 1981-12-15 | Mannesmann Ag | Device for printing forms, in particular tickets |
EP0071713A2 (fr) * | 1981-06-19 | 1983-02-16 | Tokyo Electric Co. Ltd. | Dispositif d'alimentation en papier, notamment pour caisse enregistreuse électronique |
US4548523A (en) * | 1984-01-20 | 1985-10-22 | Varitronic Systems, Inc. | Precision tape feed and guide mechanism |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0341418A2 (fr) * | 1988-04-08 | 1989-11-15 | Seiko Epson Corporation | Dispositif d'alimentation en papier |
EP0341418A3 (en) * | 1988-04-08 | 1990-05-16 | Seiko Epson Corporation | Paper feeding device |
EP0383332A2 (fr) * | 1989-02-15 | 1990-08-22 | Tokyo Electric Co., Ltd. | Transporteur de feuilles pour une imprimante |
EP0383332A3 (fr) * | 1989-02-15 | 1991-04-24 | Tokyo Electric Co., Ltd. | Transporteur de feuilles pour une imprimante |
US5158381A (en) * | 1989-07-19 | 1992-10-27 | Fujitsu Limited | Printing media feeding apparatus for printers |
CN1074382C (zh) * | 1996-09-12 | 2001-11-07 | 阿尔卑斯电气株式会社 | 打印机用自动供纸装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS62227669A (ja) | 1987-10-06 |
US4834277A (en) | 1989-05-30 |
ATE63718T1 (de) | 1991-06-15 |
DE3607079A1 (de) | 1987-10-15 |
DE3770182D1 (de) | 1991-06-27 |
DE3607079C2 (fr) | 1988-08-25 |
EP0235632A3 (en) | 1988-07-13 |
EP0235632B1 (fr) | 1991-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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