EP1425632B1 - Elektrofotographische druckvorrichtung - Google Patents
Elektrofotographische druckvorrichtung Download PDFInfo
- Publication number
- EP1425632B1 EP1425632B1 EP02797593A EP02797593A EP1425632B1 EP 1425632 B1 EP1425632 B1 EP 1425632B1 EP 02797593 A EP02797593 A EP 02797593A EP 02797593 A EP02797593 A EP 02797593A EP 1425632 B1 EP1425632 B1 EP 1425632B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- substrate
- electrophotographic printing
- printing apparatus
- electrically conductive
- transport
- 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.)
- Expired - Lifetime
Links
- 239000000758 substrate Substances 0.000 claims abstract description 96
- 238000007600 charging Methods 0.000 claims abstract description 37
- 239000012212 insulator Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229920001342 Bakelite® Polymers 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004642 Polyimide Substances 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims description 2
- 239000004637 bakelite Substances 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims description 2
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 241001354243 Corona Species 0.000 claims 4
- 239000004020 conductor Substances 0.000 claims 2
- 239000005030 aluminium foil Substances 0.000 claims 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 229910052593 corundum Inorganic materials 0.000 claims 1
- 229910001845 yogo sapphire Inorganic materials 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract 1
- 238000007786 electrostatic charging Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
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
- G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
- G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
- G03G15/1625—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer on a base other than paper
Definitions
- the invention relates to an electrophotographic printing apparatus comprising a toner developing unit, an exposure apparatus, a developer drum, a photoconductor, a transfer unit and a grounded charging device, wherein the substrate to be printed on a transport device moves past the transfer zone of the transfer unit and the toner image of the transfer unit the substrate are transferred.
- Such a printing device is known from DE 198 49 500 A1 known.
- the developer unit operates on a toner and is associated with a photoconductor drum.
- the photoconductor drum is activated by means of an exposure device on its surface, so that a toner application is possible thereon.
- the photoconductor drum is in contact with a transfer roller via a contact line.
- the transfer roller rolls on the surface of the substrate to be printed from and is thereby transferred with the aid of electrostatic charging of the substrate to the transfer unit facing the top of the substrate.
- the first transfer process occurs during the transition from the photoconductor drum to the transfer roller, the second transfer of the toner to the substrate.
- the transfers do not completely transfer the toner. It is desirable to achieve the highest possible transition rate so that clear, contour-sharp print images are created. In this case, the uniform and sufficient formation of the charge image in the region of the surface of the substrate, i. the charge transfer from the charging device to the substrate is of crucial importance.
- This object is achieved according to the invention in that between the grounded transport device and the substrate, an insulator and between the substrate and the insulator, an electrically conductive layer are arranged, which extends over the charging device located above the substrate and in Transport direction oriented dimension of the substrate to be printed extends.
- the electrically conductive layer between the substrate and the insulator is charged to a potential (field voltage U F ) of 1 to 10 kV, typ. Between 1.5 and 4 kV to ground.
- the electrically conductive layer is constructed insulated from the transport device.
- the charging device is preferably designed so that the charging device divides a partial charging device arranged in front of and behind the transfer zone, which are housed in grounded housings which are open towards the substrate.
- the substrate to be printed is first fed to the arranged before the transfer unit sub-charging device and is thereby charged electrostatically on its surface before it is fed to the transfer zone.
- the transfer zone the toner transfer takes place.
- the arranged after the transfer zone sub-charger then prevents a charge drop by this recharges the substrate. In this way, a uniform and effective toner transfer across the entire transport path of the substrate is ensured by a homogeneous charging.
- the transport of the substrates can be carried out so that a table-like transport device is used, which is linearly guided past the transfer zone and covered by a one-piece or segmented insulating insulator as an insulator, and that the segments or the one-piece insulating plate on the substrate facing the top a conductive layer, eg a metal layer is (are) provided.
- a table-like transport device is used, which is linearly guided past the transfer zone and covered by a one-piece or segmented insulating insulator as an insulator, and that the segments or the one-piece insulating plate on the substrate facing the top a conductive layer, eg a metal layer is (are) provided.
- the table-like transport device functional elements carries, which are guided by the segments or the one-piece insulating plate and the conductive layer and are electrically conductively connected to the conductive layer, but are electrically isolated from the transport device.
- the functional elements must always be flush with the conductive layer, e.g. is achieved by resilient support of the functional elements on the transport device and leads to the rich concern of the same on the underside of the substrate.
- the transport of the substrates can also be carried out in such a way that the transport device has an endless conveyor belt which itself is formed as a metal strip or is provided with a metal layer on the outer side carrying the substrates, that the endless conveyor belt is guided over reversing rollers designed as an insulator, and in that the endless conveyor belt is movable between the reversing rollers on an insulating plate covering the transport frame.
- the transport device has an endless conveyor belt which itself is formed as a metal strip or is provided with a metal layer on the outer side carrying the substrates, that the endless conveyor belt is guided over reversing rollers designed as an insulator, and in that the endless conveyor belt is movable between the reversing rollers on an insulating plate covering the transport frame.
- the transport of the substrates can be carried out continuously without having to move the machine frame.
- the construction of a homogeneous and sufficient charging of the substrates remains ensured even in this embodiment of the transport device.
- the charging device are designed as instructorsncoronen extending over the entire, transversely to the transport direction extending width of the surface to be printed of the substrates and at least partially aligned over the transport direction Surface of the substrates, wherein it is also provided that the legislativencoronen have electrically non-conductive Coronendrahthalter which are stretched in grounded housings on which a plurality of juxtaposed, electrically conductive Coronendrumblete are maintained, which is supplied with a uniform charge potential, the counter potential is grounded.
- the printing device is further constructed so that the two partial charging devices have a distance which is smaller than the extent of the surface to be printed of the substrate in the transport direction.
- the mentioned electrically conductive layer consists of a thin aluminum or copper foil. Also suitable are thin sheets or films made of steel and also made electrically conductive plastic films made of polyurethane, silicone and the like.
- the electrical conductivity of the layer must be large enough compared to the insulator.
- resistances are less than 1000 ⁇ / cm 2 .
- Suitable insulators are materials made of highly impact-resistant plastics, such as polyamide, polyimide, epoxy resins, kraft paper, bakelite.
- the insulator may according to a further embodiment of abrasion-resistant and mechanically strong ceramic or silicate material, such as Al 2 O 3 or thin glass exist.
- the metal layer consists of aluminum or copper foil, thin sheet metal, steel foil or electrically conductive made of plastic films of polyurethane, silicone and the like., Which have an electrical conductivity of less than 1000 ⁇ / cm 2 .
- Metal layer and insulator can also be combined into one unit and consist of a copper-clad epoxy resin.
- the conductive layer can also be made so that an elastic base with a conductive or metallized surface is applied to the insulator of the transport device, which leads to the uniform contact of the substrate underside. Also, a segmentation of the pad is possible if the segments are electrically conductively connected to each other. In order to achieve an effective transfer, the conductive surface of the pad is charged to a potential (field voltage U F ) of 1 to 10 kV, in particular 3.5 to 5 kV to ground.
- U F field voltage
- a further embodiment of the printing device provides that the substrate to be printed is placed in a shape adapted to the substrate size.
- the mold is made of an electrically insulating material, the substrate underside facing surface of the mold is electrically conductive or with an electrically conductive layer or metal plate Mistake.
- the conductive layer or the metal plate is charged via sliding contacts, which are mounted directly in front of and behind the charging device located above the substrate, to the potential (field voltage U F ) of 1 to 10 kV, in particular 1.5 to 4 kV with respect to ground.
- the underside of the substrates 30 facing the top of the insulator plate 17 or the segments 17.1 to 17.n are provided with a metal layer 31.
- the transport device 25 is grounded, that is placed on the counter potential of the charge voltage Uc.
- the corona wires of the partial charging devices 16 and 18 are uniformly set to the potential of the charging voltage Uc.
- the metal layer 31 of the insulator 17 or the segments 17.1 to 17.n remains potential-free or is charged to further improve the toner transfer to a voltage (U F ) of 1 to 10 kV, in particular from 3.5 to 5 kV to ground.
- the transfer unit In the area of the transfer zone, the transfer unit is in contact with the substrate 30 for the toner transfer, wherein the transport speed of the substrate 30 is matched or coupled to the rotational speed of the transfer unit such that no slip occurs between the two.
- Fig. 1 functional elements 34 can be integrated in the transport device 25, which are in contact with the underside of the substrates 30 to be printed through the insulator 17.
- These functional elements 34 may be suction openings, grooves, transport elements, sensors, cable feedthroughs and other components which preferably terminate with the upper side of the metal layer 31 and, where necessary, are held with springs 32 under spring tension on the underside of the substrate 30, such as Fig. 3 shows.
- the functional elements 34 may be connected by potential equalization lines 33 to the reference potential of the charge voltage Uc and the metal layer 31, but they are kept electrically isolated in the transport direction 25, as the small air gap can be seen.
- Such transport devices 25 can successively pass through the transfer zone and be each covered with one or more substrates to be printed 30.
- a toner such as a ceramic, a thermoplastic or duromeric plastic toner is stored.
- the developer unit 10 is associated with a developer drum 15 which supplies the toner to a photoconductor 20.
- the photoconductor 20 is cylindrical and is in a contact zone 21 in linear contact with the transfer unit 22.
- an exposure device 11 is arranged, which exposes a photosensitive layer on the circumference of the photoconductor 20. This creates a latent electrostatic charge image. Due to the charge image For example, toner particles are transferred from the developer drum 15 to the photoconductor layer 20 via electrostatic processes. These toner particles are passed on to the transfer unit 22 in the region of the contact zone 21.
- a downstream in the direction of rotation of the photoconductor 20 cleaning device 14 removes still adhering toner residues from the photoconductor 20. After the cleaning device 14 is followed by a quenching light 13, which discharges the photosensitive layer of the photoconductor 20. Thereafter, the photosensitive layer of the photoconductor 20 is brought back to a uniform charge structure with a charger 1 2 so that they can again provided by the exposure device 11 with an electrostatic charge image who can.
- the transfer unit rolls on the substrate 30 to be printed. At this time, the toner on the transfer unit in the transfer zone is transferred onto the substrate 30. Since the partial charge devices 16 and 18 cause a full-surface charge of the substrate 30 with opposite potential to the charge on the photoconductor 20, a clear toner transfer takes place with high efficiency.
- the distance in the transport direction between the sub-charge devices 16 and 18 is smaller than the dimension of the substrate 30 in this direction to ensure that the substrate 30 remains charged during the entire passage of the transfer zone.
- the Fig. 4 shows a transport device 25 which is grounded and between two reversing rollers has an endless conveyor belt, which is itself electrically conductive and forms the conductive layer 31.
- the guide rollers form an insulator 17.3, which may also be formed by guide rollers with an insulating peripheral layer, eg PTFE layer.
- the base of the guide rollers may also consist of insulating material.
- the additional voltage is supplied, for example via additional sliding contacts 37.
- the endless conveyor belt may be a close-meshed metal belt, which facilitates a fixation of the substrates 30 by means of suction.
- Fig. 5 shows similar to the Fig. 2 a grounded transport device 25 with an insulator 17 arranged thereon.
- the electrically conductive layer 31 between the substrate 30 and the insulator 17 is charged to 1 to 10 kV, preferably 1.5 to 4 kV, via a field voltage U F.
- the charging devices 16 and 18 and the transfer zone 24 above the substrate 30 are as in FIG Fig. 2 trained and arranged.
- the substrate 30 can also be absorbed by an insulating mold 35.1 with edges 35.2.
- the mold may be disposed on an electrically conductive layer 31, which is separated from the earthed conveyor 25 via an insulator 17, but is transported therewith.
- the inclusion of the mold 35.1 carries an electrically conductive surface 36, which is supplied via sliding contacts 37, the field voltage U F.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Measuring Fluid Pressure (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Recording Measured Values (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10142443A DE10142443C1 (de) | 2001-08-31 | 2001-08-31 | Elektrofotographische Druckvorrichtung |
DE10142443 | 2001-08-31 | ||
PCT/EP2002/009247 WO2003021362A1 (de) | 2001-08-31 | 2002-08-19 | Elektrofotographische druckvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1425632A1 EP1425632A1 (de) | 2004-06-09 |
EP1425632B1 true EP1425632B1 (de) | 2009-10-14 |
Family
ID=7697072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02797593A Expired - Lifetime EP1425632B1 (de) | 2001-08-31 | 2002-08-19 | Elektrofotographische druckvorrichtung |
Country Status (8)
Country | Link |
---|---|
US (1) | US7123868B2 (ja) |
EP (1) | EP1425632B1 (ja) |
JP (1) | JP2005502090A (ja) |
CN (1) | CN100370373C (ja) |
AT (1) | ATE445864T1 (ja) |
CA (1) | CA2458535A1 (ja) |
DE (2) | DE10142443C1 (ja) |
WO (1) | WO2003021362A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004054132A1 (de) * | 2004-11-08 | 2006-05-18 | Schott Ag | Elektrofotografisch verarbeitbarer Toner |
US7867594B2 (en) * | 2008-07-09 | 2011-01-11 | Day International, Inc. | Endless belt for use in digital imaging systems |
CN103786250A (zh) * | 2014-01-16 | 2014-05-14 | 佛山市博晖机电有限公司 | 一种陶瓷用的激光打印布料装置 |
EP3414627A1 (en) | 2016-03-31 | 2018-12-19 | Hp Indigo B.V. | Photoconductor charging uniformity correction |
US10831127B2 (en) * | 2018-09-21 | 2020-11-10 | Canon Kabushiki Kaisha | Developing member, electrophotographic process cartridge, and electrophotographic image forming apparatus |
JP2024003989A (ja) | 2022-06-28 | 2024-01-16 | 富士フイルムビジネスイノベーション株式会社 | 画像形成装置 |
JP2024003992A (ja) | 2022-06-28 | 2024-01-16 | 富士フイルムビジネスイノベーション株式会社 | 画像形成装置 |
JP2024003991A (ja) | 2022-06-28 | 2024-01-16 | 富士フイルムビジネスイノベーション株式会社 | 画像形成装置 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3992557A (en) * | 1974-07-17 | 1976-11-16 | Canon Kabushiki Kaisha | Image transfer method |
DE2809017C3 (de) * | 1977-03-03 | 1981-04-02 | Olympus Optical Co., Ltd., Tokyo | Verfahren zum Herstellen von mehreren Kopien einer Vorlage |
JPS586397A (ja) * | 1981-07-03 | 1983-01-13 | Matsushita Refrig Co | 炉中ろう付けによる熱交換器 |
JPS5863967A (ja) | 1981-10-14 | 1983-04-16 | Fuji Xerox Co Ltd | 電子複写機のトナ−像転写方法 |
US4674860A (en) * | 1984-08-21 | 1987-06-23 | Konishiroku Photo Industry Co. | Image transfer device |
JP3073030B2 (ja) * | 1990-06-29 | 2000-08-07 | 株式会社リコー | 転写装置 |
US5136336A (en) * | 1991-07-12 | 1992-08-04 | Xerox Corporation | Transfer mechanism for a sheet transport system |
US5424540A (en) * | 1994-08-19 | 1995-06-13 | Eastman Kodak Company | Corona charger wire tensioning mechanism |
US5732310A (en) * | 1995-04-21 | 1998-03-24 | Canon Kabushiki Kaisha | Image forming apparatus having cleaning device for cleaning intermediate transfer member |
EP0760495B1 (en) * | 1995-09-01 | 2001-11-21 | Canon Kabushiki Kaisha | Image forming apparatus |
US5701567A (en) * | 1995-10-27 | 1997-12-23 | Eastman Kodak Company | Compliant transfer member having multiple parallel electrodes and method of using |
NL1004179C2 (nl) * | 1996-10-03 | 1998-04-06 | Oce Tech Bv | Inrichting voor het decoderen van keramische en glazen dragers en tonerpoeder te gebruiken in deze inrichting. |
US6146805A (en) * | 1996-12-27 | 2000-11-14 | Kao Corporation | Printing method, printer, printed object, and optical disk |
JP3429160B2 (ja) * | 1997-06-06 | 2003-07-22 | シャープ株式会社 | 画像形成装置 |
JPH11354371A (ja) * | 1998-06-04 | 1999-12-24 | Murata Mfg Co Ltd | セラミック電子部品の製造方法 |
DE19849500C2 (de) | 1998-10-27 | 2000-12-21 | Schott Glas | Verfahren zum Aufbringen von Dekors und/oder Zeichen auf Glas-, Glaskeramik- und Keramikerzeugnisse |
DE19921321C1 (de) * | 1998-10-27 | 2000-11-23 | Schott Glas | Vorrichtung zum Aufbringen von Dekors und/oder Zeichen auf Glas-, Glaskeramik- und Keramikerzeugnisse |
US6228448B1 (en) * | 1999-02-24 | 2001-05-08 | Day International, Inc. | Endless belt for use in digital imaging systems |
-
2001
- 2001-08-31 DE DE10142443A patent/DE10142443C1/de not_active Expired - Fee Related
-
2002
- 2002-08-19 CN CNB02816833XA patent/CN100370373C/zh not_active Expired - Fee Related
- 2002-08-19 EP EP02797593A patent/EP1425632B1/de not_active Expired - Lifetime
- 2002-08-19 AT AT02797593T patent/ATE445864T1/de not_active IP Right Cessation
- 2002-08-19 DE DE50213928T patent/DE50213928D1/de not_active Expired - Lifetime
- 2002-08-19 JP JP2003525385A patent/JP2005502090A/ja active Pending
- 2002-08-19 US US10/487,389 patent/US7123868B2/en not_active Expired - Fee Related
- 2002-08-19 CA CA002458535A patent/CA2458535A1/en not_active Abandoned
- 2002-08-19 WO PCT/EP2002/009247 patent/WO2003021362A1/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP1425632A1 (de) | 2004-06-09 |
US20040240911A1 (en) | 2004-12-02 |
DE10142443C1 (de) | 2003-04-24 |
CN100370373C (zh) | 2008-02-20 |
WO2003021362A1 (de) | 2003-03-13 |
DE50213928D1 (de) | 2009-11-26 |
CN1549955A (zh) | 2004-11-24 |
CA2458535A1 (en) | 2003-03-13 |
ATE445864T1 (de) | 2009-10-15 |
US7123868B2 (en) | 2006-10-17 |
JP2005502090A (ja) | 2005-01-20 |
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: HOMMES, HANS-JUERGEN Inventor name: SCHULTHEIS, BERND Inventor name: SOLBACH, RAINER Inventor name: KOEBRICH, HOLGER Inventor name: JUNG, DIETER |
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: HOMMES, HANS-JUERGEN Inventor name: SCHULTHEIS, BERND Inventor name: SOLBACH, RAINER Inventor name: KOEBRICH, HOLGER Inventor name: JUNG, DIETER |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SCHOTT AG |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ASAHI GLASS CO., LTD. |
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GRAP | Despatch of communication of intention to grant a patent |
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