EP2646169A1 - Vorrichtung zum beschichten von papier- oder kartonbahnen - Google Patents
Vorrichtung zum beschichten von papier- oder kartonbahnenInfo
- Publication number
- EP2646169A1 EP2646169A1 EP11826108.0A EP11826108A EP2646169A1 EP 2646169 A1 EP2646169 A1 EP 2646169A1 EP 11826108 A EP11826108 A EP 11826108A EP 2646169 A1 EP2646169 A1 EP 2646169A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- scraper
- roller
- coating material
- chamber
- doctor
- 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
- 239000011248 coating agent Substances 0.000 title claims abstract description 63
- 238000000576 coating method Methods 0.000 title claims abstract description 63
- 239000011111 cardboard Substances 0.000 title abstract 3
- 239000011087 paperboard Substances 0.000 title abstract 3
- 239000000463 material Substances 0.000 claims abstract description 52
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 12
- 239000012535 impurity Substances 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 8
- 239000000356 contaminant Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 3
- 239000000976 ink Substances 0.000 description 2
- 239000010893 paper waste Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
- D21H23/56—Rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
- B05C1/083—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets being passed between the coating roller and one or more backing rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
- B05C11/041—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for positioning, loading, or deforming the blades
Definitions
- the invention relates to a device for coating paper or board webs with two axially parallel juxtaposed rollers which form a gap through which the paper or board web is guided, and with an application and metering system for at least one of the rollers for applying a metered Film of coating material on the surface thereof, wherein the application and dosing system includes an open to the roller application chamber having a supply for coating material and is closed on the roll outlet side of the dosing.
- Devices of the generic type are used for finishing paper or board webs with glue, starch or pigment inks and are referred to as so-called film presses.
- the coating material is first applied as a metered film to one or both rollers by the application and metering system associated with a roller, and then it is delivered to the web in the coating gap between the two rollers.
- CONFIRMATION COPY The coating material not delivered to the web in the coating gap remains on the roll surface and is transported back to the application and metering system. Usually there is an overflow gap on the inlet side, from which the excess coating material emerges against the direction of rotation of the roller. The emerging excess coating material usually rinses off the recycled coating material. It is thus collected with this in a contract tray and returned to the application chamber.
- a coating device of the generic type is described in DE 10 2004 039162 A1.
- impurities for example waste paper fibers
- the impurities are taken up in the transfer nip from the roll with the remaining coating material and transported to the application and metering system. Often they stick to the rollers and then cause problems at the metering element closing the chamber, for example by the impurities clogging the profiles of a profiled metering rod used as metering element.
- the invention is therefore based on the object to improve a device of the generic type so that contaminants can be removed without the use of a separate cleaning fluid and without additional space from the roll surface.
- This object is achieved in that at a distance from the dosing of the dosing a scraper is arranged, which extends across the width of the application chamber and as stabbing scraper against the roller can be adjusted, wherein coating material can be supplied both before and behind the scraper against the roll surface is.
- the scraper is set against the roller with an angle of attack ⁇ between 140 ° and 175 °, preferably between 160 ° and 165 °.
- a scraper of polyethylene or a plastic having comparable properties has been found to be particularly suitable for scouring the contaminants without damaging the roll surface. It is very advantageous if the chamber has an overflow gap on its inlet side, from which excess coating material can escape with the scraped off contaminants.
- a scraper which can be swiveled with its scraper edge against the roller makes it possible to completely swivel the scraper as well as to adjust the setting angle.
- the scraper is arranged within the application chamber both at a distance from the roller inlet of the chamber and at a distance from the metering element.
- the scraper with its scraper edge against the roller is pivotally attached to the free end of a resilient element, in particular a spring plate.
- a resilient element in particular a spring plate.
- the resilient element can be designed so that the scraper can avoid any disturbances on the roller, especially in so-called roll winder, which occur in a demolition of the paper web to be coated.
- a spring plate from the overflow gap limiting overflow plate to the chamber interior, at the free end of a plastic scraper is attached.
- the spring plate then has at least one passage opening for coating material prior to attachment of the scraper.
- a further advantageous device is designed so that the overflow gap limiting overflow plate is resilient, preferably designed as a spring plate, at the free end of which is mounted in the interior of the chamber extending scraper.
- the trained as overflow edge mounting foot of the scraper allows the overflow gap Roller free, the other end of the scraper has an applicatable to the roller scraper edge and in front of the scraper edge at least one passage opening for coating material.
- This embodiment has the advantage that the liquid areas in front of the scraper edge are largely separated from the interior of the chamber.
- the inlet-side boundary of the chamber is formed by a resilient element extending in the direction of the dosing element, in particular a spring plate, to whose free end the scraper is attached.
- the resilient element is pivotally mounted to adjust the contact pressure of the scraper against the roller with his foot.
- the resilient element and / or the scraper has openings through which coating material from the chamber against the roller surface can be fed.
- the metering system preferably contains a profiled metering rod as the metering element, which enables volumetric metering on the roller.
- the claims 11 to 14 contain advantageous embodiments in which the scraper is a part of the doctor bed.
- the doctor bed has within the application chamber a scraper-shaped lip with a scraper edge, which is also pressed against the roller during pivoting at a distance from the dosing. So that coating material can be guided against the roll surface behind the scraper, the lip has throughflow openings.
- the doctor blade bed holding the doctor blade bed is preferably supported on its rear side by a pressure hose whose pressure is adjustable.
- the scraper forming lip of the doctor bed is supported by an additional pressure hose to adjust the contact pressure against the roller can.
- FIG. 1 shows a section through a coating device.
- FIG. 2 shows an enlarged view of a section through the application and dosing system, in which the doctor bed has a scraper-shaped lip.
- FIG. 3 shows an application and metering system in which a pivotable scraper is mounted in the application chamber.
- Figure 4 shows a scraper which is attached to the inlet-side overflow plate of the application chamber.
- FIG. 1 shows embodiments in which the scraper is attached to the free end of a spring plate and together with the spring plate forms the inlet side boundary of the chamber.
- the coating apparatus shown in FIG. 1 is integrated in a paper machine. It consists of two axially parallel side by side in a frame rotatably mounted rollers 1, 2 of which one roller fixed, the other roller circumferentially against the stationary roller is mounted pressable. Both rollers 1, 2 are connected to a rotary drive, with which they can be rotated in opposite directions in the direction of arrows 3, 4 about their longitudinal axes. Both rolls 1, 2 are gummed on their outer surface. When pivoting the rollers 1, 2 against each other, a press nip 5, through which the paper or board web 6 to be coated - in the example coming from above - is guided.
- an application and metering system 7, 8 is arranged on the opposite side to the press nip 5, which can be pivoted to the respective roller 1, 2.
- coating material in the example pigment coating ink, is initially applied in excess to the surface of the associated roller 1, 2 and then scraped off again to the desired film thickness.
- the applied to the rollers 1, 2 film of coating material is discharged in the press nip 5 to the web 6.
- the application and metering 7, 8 are fixed in a known manner in each case on a pivotable scraper bar 9, 10. They each contain a roller 1, 2 towards open application chamber 1 1, which is supplied via a feed 12 coating material. At the roll outlet side, the application chamber 1 1 is closed by the metering system, which contains a metering rod 13 as a metering.
- the doctor bar 13 is preferably profiled on its lateral surface with circumferential grooves. It is rotatably held in a doctor bed 14, which is supported on its rear side in a known manner by a pressure hose 15 whose pressure against the back of the doctor bed 14 by means of a set of adjusting screws 16 is adjustable in zones. The desired film thickness on the roller surface can be adjusted by way of the pressure in the pressure hose 15.
- the squeegee bed 14 has a foot 17 with which it is releasably secured in a squeegee holder 18. To attach the foot 17 is clamped in the holder 18 with a clamping tube 19. At the inlet side, the application chamber 11 is delimited by an overflow plate 20, which leaves an overflow gap 21 free for the respective roller 1, 2, through which the excess of coating material emerges and is collected by a collecting trough 26. The collected coating material is filtered to remove the impurities and then returned via the supply 12 back into the application chamber 11.
- the application chamber 11 may contain one or more blade-like elements abutting the roller 1, 2 to prevent the entry of adhering air into the chamber 11 as an alternative to the overflow gap 21 forming a liquid seal. These known blade-shaped elements are referred to as "sealing blades.”
- a scraper 22 is arranged both at a distance from the roller inlet, ie the overflow plate 20, and at a distance from the dosing element 13. The scraper 22 extends over the width of the scraper Application chamber 11, that is at least across the width of the paper web 6 to be coated, and can be adjusted as a piercing scraper 22 against the respective roller 1, 2 to scrape contaminants from the roller 1, 2.
- the scraper 22 is made of polyethylene or a plastic having comparable properties.
- Its angle of attack ⁇ to the roller 1, 2 is in the scraping working position between 140 ° and 175 °, preferably between 160 ° and 165 °.
- the angle of attack ⁇ is measured between the direction of extension of the scraper 22 in the direction of the roller 1, 2 and the tangent to the roller 1, 2 at the Anstellline, the geometry of the doctor blade is not taken into account.
- doctor tip on its front and / or on its back with a chamfer, so to make wedge-shaped tapering towards the roller 1,2.
- the design of the doctor tip and the employment of the scraper 22 to the roller 2 is chosen so that at a chamfer at the inlet side front of the angle between the tangent to the roller 2 and the chamfer in operation of 100 ° to 160 °.
- the doctor blade is designed and employed so that the angle between the tangent to the roller 2 and the chamfer on the back in the operation of 5 ° to 40 °, preferably 5 ° to 20 °.
- the scraper 22 is formed by a scraper-shaped lip, which is part of or attached to the doctor bed 14.
- the lip acting as a scraper 22 has a scraper edge, which is also pressed against the roller 1, 2 when the doctor bed 14 is pivoted with the dosing element 13 mounted therein.
- the scraper-shaped lip 22 is designed so that it is pressed against the roller 2 at a distance from the metering element 13 within the chamber 11 when the doctor bed 14 is pivoted.
- the lip has passage openings 23 in this area.
- the doctor bed 14 For splitting the liquid flow emerging from the supply 12 in the region in front of the scraper 22 and In the area behind the scraper 22, the doctor bed 14 has a dividing edge 24 which extends in a wedge shape toward the supply 12.
- the lip 22 of the doctor bed 14 forming the scraper is supported on the rear side of the doctor bed 14 by an additional pressure hose 25.
- the pressure hose 25 is arranged between the doctor blade holder 18 and the doctor bed 14 and presses the lip 22 against the roller 2.
- Figure 3 and Figure 4 embodiments are shown in which an independent of the doctor bed 14 scraper 22 is disposed within the application chamber.
- the scraper 22 is in each case pivotable against the roller 2 so attached to the application system, that in the pivoted position of the angle ⁇ to the roller 2 is also between 140 ° and 175 °, preferably between 160 ° and 165 °. Either in the attachment of the scraper 22 or in the scraper 22 itself through openings 23 are arranged for coating material, so that coating material from the supply 12 both in the area in front of the scraper 22 and in the area behind the scraper 22, ie before the metering element 13, can be performed.
- the spring plate 27 extends from the overflow plate 20 to the chamber interior and has at least one passage opening 23 for coating material prior to the attachment of the scraper 22.
- the angled mounting foot of the spring plate 27 can be fastened together with the overflow plate 20 on a chamber wall.
- FIG. 4 shows a further very advantageous embodiment, which prevents mixing of coating material in the chamber 11 with contaminants as well as with air that has been introduced.
- the overflow gap 21 limiting overflow plate 20 is designed as a resilient element, preferably as a spring plate.
- a scraper 22 extending into the interior of the chamber 11 is fastened, wherein the fastening foot 22.1 of the scraper 22 designed as an overflow edge leaves the overflow gap 21 free for the roller.
- the other end of the scraper 22 has an applicatable to the roller 2 scraper edge 22.2.
- Before the scraper edge 22.2 and behind the mounting foot 22.1 at least one passage opening for coating material is arranged. Through the opening 23, the excess of the coating material from the chamber 11 flows against the direction of rotation of the roller 2 from the overflow gap 21. The scraped off by the scraper edge 22.2 impurities and the scraped air are removed.
- the coating material guided in the area between the scraper edge 22.2 and the metering element 13 against the roller 2 is thus free of contaminants and air.
- the squeegee rod 13 holding the squeegee bed 14 is designed with a reduced cross-section and designed as a wearing part which can be inserted into a holder 30.
- the holder 30 is clamped in a known manner with his foot in a clamping bar 31 of the application and metering system.
- the doctor bed 14 is clamped by a clamping tube 32 in the holder 30 during operation. By venting the clamping tube 32, the doctor rod 13 and the doctor bed 14 can be removed from the holder 30.
- the inlet-side boundary of the chamber 11 is formed by a resilient element extending in the direction of the metering element 13, in particular a spring plate 33, which is clamped with its foot in a holder 34.
- a resilient element extending in the direction of the metering element 13, in particular a spring plate 33, which is clamped with its foot in a holder 34.
- the spring plate 33 thus forms the inlet-side boundary of the application chamber. Its foot is externally attached to the wall 35, from which the supply 12 of coating material is limited in the chamber 1 1.
- the holder 34 of the resilient element (spring plate 33) is pivotally mounted with the clamped foot of the element in order to adjust the contact pressure of the scraper 22 against the roller 1, 2 can.
- the scraper 22 includes openings 23 which are arranged in front of the voltage applied to the roller 2 scraper edge 22.2. Through the openings 23, the excess coating material flows against the direction of rotation of the roller 2 in front of the chamber 1 1. The scraped off by the scraper edge 22.2 impurities and the scraped air are removed.
- the structure of the embodiment of Figure 6 corresponds to the structure of the embodiment of Figure 5 with the difference that the scraper 22 contains no openings for coating material.
- the openings 23 are arranged in the resilient element, in the example in the spring plate 33. Through the openings 23 coating material flows from the chamber 1 against the roller 2 and is discharged via the roller 2 facing side of the spring plate 33 together with the scraped impurities and the scraped air. In operation, coating material flows from the supply 12 into the areas in front of the scraper 22 and behind the scraper 22. The material guided in front of the scraper 22 flows counter to the direction of rotation of the roller 2 and thereby absorbs the scrapes scraped off by the scraper 22. At the same time the penetration of air is largely prevented by the seal on the inlet side.
- the scraper 22 is arranged inside the chamber 11, therefore, the material guided in front of the scraper 22 flows out of the overflow gap 21. By flowing through the gap 21, this is at the same time sealed and the ingress of air is largely prevented.
- the scraper 22 simultaneously serves as a seal on the inlet side of the chamber 11. The supply of coating material in front of the scraper 22 takes place in such a way that the material is guided out of the chamber against the roller 2 through openings 23.
- the effluent is collected in the tub 22 and then filtered to remove the contaminants. Thereafter, it is returned together with new Be Mrsungsmatenal on the supply 12 in the application chamber 11.
- the Be Mrsungsmatenal behind the scraper 22 is scraped off again by the metering element 13 to the desired film thickness of the roll surface 2.
- the remaining on the roller 2 film is discharged except for the entrained by the rollers 1, 2 rest with the impurities in the nip 5 to the paper web 6.
Landscapes
- Coating Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010052649A DE102010052649A1 (de) | 2010-11-30 | 2010-11-30 | Vorrichtung zum Beschichten von Papier- oder Kartonbahnen |
PCT/EP2011/005726 WO2012072196A1 (de) | 2010-11-30 | 2011-11-14 | Vorrichtung zum beschichten von papier- oder kartonbahnen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2646169A1 true EP2646169A1 (de) | 2013-10-09 |
EP2646169B1 EP2646169B1 (de) | 2017-02-22 |
Family
ID=45833262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11826108.0A Active EP2646169B1 (de) | 2010-11-30 | 2011-11-14 | Vorrichtung zum beschichten von papier- oder kartonbahnen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2646169B1 (de) |
DE (1) | DE102010052649A1 (de) |
WO (1) | WO2012072196A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3842591A1 (de) | 2019-12-23 | 2021-06-30 | Andritz Küsters GmbH | Vorrichtung zum auftragen eines auftragsmediums |
CN112275576A (zh) * | 2020-10-14 | 2021-01-29 | 台州弘锐精密机械有限公司 | 一种镁铝合金板材表面处理加工系统 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2843371C2 (de) * | 1978-10-05 | 1985-07-11 | Zanders Feinpapiere AG, 5060 Bergisch Gladbach | Verfahren zum Beschichten von laufenden Bahnen aus Papier oder Karton mit üblichen Pigmentdispersionen und Vorrichtung zum Einstellen des Naßauftragsgewichtes von Beschichtungen, insbesondere zur Durchführung des Verfahrens |
ATE1769T1 (de) * | 1979-12-03 | 1982-11-15 | Zanders Feinpapiere Ag | Vorrichtung und verfahren zum beschichten von laufenden bahnen beispielsweise aus papier oder karton. |
DE3614582A1 (de) * | 1986-04-30 | 1987-11-05 | Will E C H Gmbh & Co | Vorrichtung zum gleichmaessigen auftragen einer beschichtungsmasse auf eine beschichtungswalze |
SE467528B (sv) * | 1988-09-27 | 1992-08-03 | Btg Kaelle Inventing Ab | Anordning foer bestrykning av en loepande bana |
DE4320833C1 (de) * | 1993-06-23 | 1994-09-22 | Roland Man Druckmasch | Verfahren und Vorrichtung zum Austausch eines Rakelblattes einer Kammerrakel für Rotationsdruckmaschinen |
DE4444779B4 (de) * | 1994-12-15 | 2005-08-04 | Voith Sulzer Papiermaschinen Gmbh | Vorrichtung zum Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn, insbesondere aus Papier oder Karton |
JPH09192557A (ja) * | 1996-01-19 | 1997-07-29 | Inoue Kinzoku Kogyo Kk | 塗布装置 |
US5720816A (en) * | 1996-03-08 | 1998-02-24 | Beloit Technologies, Inc. | Reverse feed film applicator |
DE19826647A1 (de) | 1998-06-16 | 1999-12-23 | Voith Sulzer Papiertech Patent | Verfahren zum Reinigen einer weichen Walzenoberfläche |
DE19845427A1 (de) * | 1998-10-02 | 2000-04-06 | Basf Ag | Vorrichtung zum Aufbringen eines fließfähigen Mediums auf eine bewegte Oberfläche und deren Verwendung |
FIU20010246U0 (fi) * | 2001-06-15 | 2001-06-15 | Metso Paper Inc | Järjestely paperi- tai kartonkikoneen hihnan tai pehmeän telapinnoitteen kaapimiseksi |
DE102004039162B4 (de) | 2004-08-11 | 2013-03-14 | Horst Sprenger Gmbh | Vorrichtung zum Beschichten von Papier- und Kartonbahnen |
-
2010
- 2010-11-30 DE DE102010052649A patent/DE102010052649A1/de not_active Ceased
-
2011
- 2011-11-14 EP EP11826108.0A patent/EP2646169B1/de active Active
- 2011-11-14 WO PCT/EP2011/005726 patent/WO2012072196A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2012072196A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2012072196A1 (de) | 2012-06-07 |
DE102010052649A1 (de) | 2012-05-31 |
EP2646169B1 (de) | 2017-02-22 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
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