EP2622137A1 - Dispositif d'application directe ou indirecte d'une substance à appliquer liquide à pâteuse et procédé de fonctionnement d'un tel dispositif - Google Patents
Dispositif d'application directe ou indirecte d'une substance à appliquer liquide à pâteuse et procédé de fonctionnement d'un tel dispositifInfo
- Publication number
- EP2622137A1 EP2622137A1 EP11755315.6A EP11755315A EP2622137A1 EP 2622137 A1 EP2622137 A1 EP 2622137A1 EP 11755315 A EP11755315 A EP 11755315A EP 2622137 A1 EP2622137 A1 EP 2622137A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- material web
- fluid jet
- web
- applying
- directed against
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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
- D21H23/46—Pouring or allowing the fluid to flow in a continuous stream on to the surface, the entire stream being carried away by the paper
- D21H23/48—Curtain coaters
-
- 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
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/005—Curtain coaters
Definitions
- the invention relates to a device for direct or indirect application of liquid to pasty application medium in the form of at least one free-falling curtain on a movable material web, in particular fibrous web with at least one, arranged in a space bounded by a housing commissioned work and in the direction of passage of the web to the commissioned work upstream means for reducing an air boundary layer which can be formed on a surface of the material web.
- the invention further relates to a method for operating such a device for the direct or indirect application of liquid to pasty application medium.
- a material web is understood to mean a planar structure having a considerably greater extension in the longitudinal direction and the width direction than in the vertical direction, wherein the extent in the longitudinal direction is also considerably greater than in the width direction.
- These may be fibrous webs, plastic webs or textile webs.
- the invention is particularly suitable for the coating and / or finishing of webs in the form of fibrous webs.
- the fibrous web may be in the form of a paper, board or tissue web.
- application media find liquid to pasty media use, which are suitable to refine the surface of a web and / or impart certain functions in terms of the subsequent use.
- a coating medium in the form of pigments, additives and other additives containing coating color is used.
- application media such as glue or starch or suitable for producing thermal or other functional layers.
- the formation of the free-falling curtain is carried out either directly to a discharge opening of the commissioned work in alignment in the vertical direction downwards, ie in the direction of gravity or at a trailing edge after prior guidance of the application medium on at least one inclined plane.
- the exit from a single nozzle of the commissioned work can also be considered in the vertical direction in the direction of gravity or against it.
- the individual commissioned work is preferably arranged in a climatic chamber to maintain a stable curtain.
- the air boundary layers transport uncontrolled heat and moisture into the climatic chamber of a curtain coating plant.
- the introduction of heat and / or moisture increases with the increase in the basis weight of the respective material web and leads to a disturbance of the conditions set within the climatic chamber.
- the maintenance of this and the guarantee of constant boundary conditions when applied in the field of free-falling curtain therefore require for the above-described embodiment of the prior art, a complex monitoring and continuous readjustment, which is possibly ensured only by additional measures.
- air flows at the outlet of the coated material web from the climate chamber can also have a negative effect on the forming curtain.
- the invention is therefore based on the object, a device for applying liquid or pasty application media of the type mentioned in such a way that the disadvantages mentioned are avoided and the climatic conditions, at least in the immediate vicinity of the free-falling curtain, especially in one of the free Falling curtain and the commissioned work surrounding and limited by a housing space with low design and control and control engineering effort and free of additional control devices can be kept constant.
- An undesirable introduction of heat and / or moisture into the climate chamber is to be reduced or avoided.
- the solution according to the invention is characterized by the features of claims 1, 12 and 13. Advantageous embodiments are described in the subclaims.
- a fluid jet is understood as meaning a jet formed from at least one gas and / or one liquid.
- air is used.
- In the area of the inlet includes arrangements with immediate Vor Mr the funds before the housing, in particular attachment to the outer circumference of the housing, in the wall of the housing or attachment to the inner circumference of the wall.
- the solution according to the invention offers the advantage of a considerable disturbance, preferably a strong reduction of the movable material web in the Housing on a surface of the web entrained air boundary layers, which act as a heat and / or moisture carrier, by peeling and generating turbulence in this.
- a considerable disturbance preferably a strong reduction of the movable material web in the Housing on a surface of the web entrained air boundary layers, which act as a heat and / or moisture carrier, by peeling and generating turbulence in this.
- the housing within the meaning of the invention may be so-called climatic chambers, which are in terms of climatic conditions in the space enclosed by this control, preferably regulated.
- climatic chambers are thermally insulated and the internal temperature and the indoor humidity are adjustable.
- the housing within the meaning of the invention may also be enclosures which are free of control / regulation of the temperature in the space enclosed by it and / or free of control / regulation of the humidity in the space enclosed by it and / or are free of thermal insulation.
- the enclosures can be made walkable or walk-in in the form of space-saving covers.
- at least one device for applying a fluid jet directed against the surface of the material web is at least one of the surfaces to be coated with the applicator Material web assigned.
- the device may be a so-called air knife in a particularly advantageous embodiment.
- the air knife allows due to the properties of the emerging therefrom fluid jet with a very high exit velocity interruption or separation the air boundary layer of the surface of the material web.
- the effect of the air knife can be controlled and / or regulated.
- a further possible advantageous embodiment consists in the formation of the individual device as blowing tube extending over at least a partial region of the extension of the material web in the width direction.
- the beam directed against the material web can be controlled and / or regulated in terms of its properties.
- the alignment of the directed against the material web fluid jet in the direction of movement of the material web is considered to be directed opposite.
- arrangements with a jet or exit angle in the range of in each case including 30 ° to 90 ° of the fluid jet emerging from the individual device with respect to the surface of the material web are preferably selected.
- the component of the fluid jet acting on it, which is directed counter to the movement of the air boundary layer, undergoes peeling and furthermore a removal and swirling of the air boundary layer away from the surface of the material web.
- the preferably selected angular range serves to optimize the effect of the individual fluid jet on the air boundary layer.
- the individual device for applying a directed against the surface of the material web fluid jet is preferably formed such that extends the effective range transversely to the direction of the web over at least a portion of the extension of the device, preferably over the entire extension of the device transverse to the direction of the fibrous web.
- the machine-width one or more parts training has the advantage of being able to affect the air boundary layer over the entire width of the material web.
- the individual device can be designed as a single unit machine width or extend over only a portion of the extension transversely to the web direction of travel. In the latter case is then to Ensuring the safe operation of a plurality of individual means for applying a fluid jet across the direction of travel of the web adjacent to each other free of spaces with respect to the effective range arranged.
- the machine-wide fluid jet is thus generated either with a single, extending over the machine width, for example, slot die or via the interconnection of a plurality of individual nozzles.
- a design with slot die is selected, since here the design control effort can be kept low.
- the embodiment with a plurality of individual nozzles arranged side by side also permits the setting of different effects of these over the width of the material web, i. a profile transverse to the direction of the web considered at this.
- the outlet for the fluid jet of the individual device for applying a directed against the surface of the material web fluid jet at a distance from the respective surface of the material web of ⁇ 50 mm, preferably ⁇ 30 mm, respectively.
- the individual device for applying a directed against the surface of the material web fluid jet is at least in one of the following sizes made adjustable:
- the exiting fluid jet acting on the material web can be adjusted in a targeted manner.
- the mode of action can be optimized with regard to the local conditions and the boundary conditions of the individual case.
- the fluid jet is controlled and / or regulated.
- the individual device for applying at least one fluid jet against the material web is preferably movable out of its functional position characterizing the action against the material web for reducing the air boundary layers, for example displaceable or pivotable.
- This mobility is useful in a particularly advantageous manner in the case of a web break to avoid interference in the region of the individual device for applying a fluid jet and also to ensure a safe web guidance when starting the device after a standstill.
- means are additionally provided for reducing the influence of air boundary layers on the material web in the region of the exit of the material web from the space surrounded by the housing. These may be upstream or downstream.
- the arrangement can be made in the wall or attachable to this.
- These further means for reducing an air boundary layer which can be formed on a surface of the material web in the region of the outlet of the space delimited by the housing can preferably comprise at least one of the following non-contact devices: aperture, electrode arrangement, ultrasound arrangement and / or a device for Applying a directed against the one surface of the material web fluid jet.
- An inventive method for operating a device for direct or indirect application of liquid to pasty application medium in the form of at least one free-falling curtain on a movable material web, in particular fibrous web with at least one arranged in a housing applicator and means for reducing a on a surface of the web can be formed air boundary layer is characterized in that one can be formed on one surface of the material web air boundary layer in the direction of passage of the material web in the inlet and / or outlet from this in the space bounded by the enclosure at least one can be applied against this fluid jet such, that their influence on the conditions in the room (8) is reduced.
- the individual fluid jet can change the air boundary layer in such a way that the processes in the bounded space are no longer or only slightly influenced. This can be done by the fact that this changes the flow shape of the air boundary layer, in particular the generation of turbulence and / or a profile adjustment in the width direction of the material web and / or height direction conditional.
- the air boundary layer may further be defined by the at least one fluid jet be so influenced that it enters less energy in the space bounded by the housing.
- An additional or alternative effect is to reduce the inflow velocity of the air boundary layer.
- it may be suitable to allow only a smaller or no air flow to flow into the bounded space, ie less volume per unit time.
- the fluid jet directed against a surface of the material web to additionally impair the air boundary layer is additionally cooled, in order to ensure a further reduction of the heat input into the housing due to a temperature difference to the air boundary layer and the resulting heat transfer.
- the inventive solution offers the active influence on the entrained by the web of air boundary layers the advantage of actively influencing the heat and / or moisture entry through this in the enclosure, in particular reduce and possibly virtually eliminate.
- the fluid is preferably air use. This can be removed in a simple manner from the ambient air and be brought to the desired operating parameters according to the design of the individual devices.
- FIG. 1 illustrates in a schematically simplified illustration a possible one
- FIG. 2 illustrates a schematic simplified representation of a
- Figures 3a and 3b illustrate possible arrangements of the individual devices for applying a directed against the surface of the material web fluid jet viewed transversely to the direction of the fibrous web;
- FIG. 4 shows, by way of example, a detailed detail from a device for indirect application.
- FIG. 1 shows, in a schematically simplified representation, the basic structure of a device 1 designed for direct or indirect application of liquid to pasty application medium onto a movable material web in the form of a fibrous web F.
- a coordinate system is applied to the device 1 by way of example.
- the X-direction describes the longitudinal direction of the device 1, which coincides with the direction of passage of the fibrous web F through the device 1.
- the Y direction describes the width direction, i. the direction transverse to the direction of passage of the fibrous web F.
- the Z direction corresponds to the height direction.
- the device 1 is here described as separate, i. stand-alone device shown. This can be immediately downstream either as an on-line device of a device for producing fibrous webs F, wherein the leadership of the fibrous web F then takes place directly from the machine for producing fibrous webs F in the device 1.
- the coating is temporally and spatially separated from the production of the fibrous web F.
- the fibrous web F is then provided as a roll which is to be unwound for the purpose of the coating.
- the device 1 comprises at least one applicator unit 2 which is arranged above the fibrous web F at a distance from the surface 4 of the fibrous web F to be coated.
- the applicator 2 is used for applying liquid to pasty application medium in the form of at least one free-falling curtain 3 on a movable surface, which for direct application according to Figure 1, the surface 4 of the fibrous web F, for indirect order, as schematically simplified in Figure 4 illustrates the surface of a transmission element 17 corresponds.
- FIG. 1 shows, by way of example, an application head 5 with a discharge opening 6, which is aligned in the direction of gravity, for application medium.
- the commissioned work 2 is arranged to ensure stable climatic conditions, in particular a temperature level to be maintained of the exiting curtain 3 in a space 8 formed by a housing 7. This is exemplified by both sides of the commissioned work 2 and the shield against environmental influences serving and the commissioned hood enclosing walls 9 limited.
- the walls 9 extend to the bottom 10 of the device 1.
- the fibrous web F is thereby passed through the enclosure 7 through the commissioned work 2.
- the direction of movement of the fibrous web F is shown here by means of an arrow.
- the leadership of the fibrous web F by a contractor 2 defined by the application area 13 takes place here by way of example, arranged on both sides of the commissioned work 2 and spaced to this arranged guide rollers 14.
- the fibrous web F is thereby guided between the inlet 1 1 to the outlet 12 along the at least one commissioned work 2.
- the fibrous web F in the direction of passage through the device 1 in the region of the inlet 1 1 in the area enclosed by the enclosure 7 space 8 means 15 for reducing a formable on the surface of the fibrous web F air boundary layer assigned.
- these are arranged upstream of the space 8 or in the region of the inlet 1 1 in the room and comprise at least one device 16 assigned to at least one of the surfaces of the fibrous web F for applying a direction directed against the surface of the fibrous web F.
- Fluid jet The assignment of the at least one individual device 16 is at least to a fibrous web page, for example, the fibrous web page forming the surface to be coated 4, here the fibrous web top side F 0 or the fibrous web bottom Fu.
- the assignment takes place, as shown in FIG. 1, on both oppositely oriented sides F 0 and Fu of the fibrous web F.
- This variant with devices 16.1, 16.2 arranged on both sides of the fibrous web F is reproduced by way of example in FIG.
- the devices 16.1, 16.2 are preferably arranged in the direction of passage of the fibrous web F free of offset from each other.
- the arrangement of the individual device 16.1, 16.2 takes place here in each case directly in or in front of the inlet 1 1 in the bounded by the enclosure 7 space 8, preferably at a distance a from 0 to 500 mm, more preferably 0 to 300 mm.
- the devices 16.1 and 16.2 are part of the means 15 for reducing a formable on the surface 4 of the material web air boundary layer.
- these means 15 further comprise a device 18 for applying a fluid jet against the surface 4 of the fibrous web F to be coated, in the form of an air knife, which is arranged directly in the housing 7 upstream of the application region 13.
- the device 18 is preferably opposite to the guide roller 14 upstream of the application region 13 in the direction of passage for supporting the fibrous web F and enclosing it over a partial region of the wrap angle of the fibrous web F.
- the commissioning unit 2 associated collecting device 19 for collecting application medium from the commissioned work 2 in the event of a web break or during startup to the formation of a stable curtain or at the desired completion of the contract.
- the collecting device 19 and / or the applicator 2 are relative to each other movable. In the case shown, the arrangement of the collecting device 19 is stationary. In the case of an interruption of the order on the fibrous web F or During startup, an adjustment, in particular displacement of the commissioned work 2 in the horizontal direction by means of an adjusting device 20th
- the means for applying a directed against the surface of the material web fluid jet 16.1 and 16.2 are preferably designed as an air knife or machine-wide blowpipe.
- the effective range of a single device is as a function of the position of the device 16.1, 16.2, in particular angle of the outlet opening 25 relative to the fibrous web F, distance of the outlet opening 25 of the fibrous web F, the exit conditions of the fluid jet from this, such as geometry of the outlet opening 25 and speed of the Departure from this determined.
- the individual device 16.1, 16.2 can be pivoted out of its functional position, which is characterized by the formation of the effective region on the surface 4 of the fibrous web F guided past it.
- a here only by way of example indicated by a broken line pivoting device 21 .1 and 21 .2 provided.
- means 22.1 and 22.2 are provided for influencing at least one variable which at least indirectly characterizes the mode of action or the exiting fluid jet. These are also shown by a broken line.
- adjusting devices for adjusting the distance x of an outlet opening 25 of the individual device 16.1, 16.2 for adjusting the geometry and / or dimensions of the outlet gap at the outlet opening 25 and / or an adjusting device for adjusting the outlet or jet angle relative to the Surface 4 of the fibrous web F act.
- the means 22.1, 22.2 can also control devices for adjusting the state of Include fluids of varying sizes or process parameters of the exiting fluid jet.
- the adjusting devices for setting these sizes are well known, which is why at this point not further discussed.
- the adjustment itself can be done hydraulically, pneumatically, mechanically or electronically. A combination of these possibilities is also conceivable.
- FIG. 2 illustrates a possible influence parameter on the quality and the effective range of the fluid jet to be ejected by way of example for a single nozzle of a device 16.
- FIG. 2 shows only the outlet opening 25 of a device 16 and the fibrous web F guided past it.
- Another important factor is the distance x of the outlet opening 25 from the nozzle of the device 16 with respect to the surface 4 of the fibrous web F. This is preferably ⁇ 50 mm.
- the angle of the fluid jet emerging from the device 16 is determined by the angle of incidence of the nozzle relative to the fibrous web F.
- This angle also referred to as exit angle, jet angle or blowing angle, is here designated ⁇ and describes the exit direction of the fluid jet from the device 16 with respect to the surface of the movable surface guided past it, in particular fibrous web F.
- Another important influencing criterion for the formation of the fluid jet the geometry of the outlet opening 25. This can be profiled in a particularly advantageous embodiment.
- the most diverse geometries in the direction transverse to the direction of passage of the fibrous web F as well as in a direction of passage of the fibrous web F are conceivable.
- the concrete selection is made on the basis of the concrete case of application.
- FIG. 1 illustrates a particularly advantageous arrangement of the devices 16.1 and 16.2 for applying one against the surface of the material web, in particular fibrous web F directed fluid jet.
- the arrangement of the devices 16.1, 16.2 takes place on both sides of the fibrous web F and in the case illustrated, free of offset in the direction of passage of the fibrous web F considered to each other.
- both devices 16.1 and 16.2 preferably simultaneously become effective on both surfaces of the fibrous web sides F 0 and Fu directed away from one another. But it is also conceivable only a one-sided arrangement.
- the embodiment of the device 1 shown in FIG. 1 is exemplary in terms of the guidance of the fibrous web F within the housing 7, the arrangement of the devices 16. 1, 16. 2 and the execution of the applicator 2. Other embodiments are also conceivable. Decisive here is the arrangement of the devices 16.1 and 16.2 for applying a fluid jet against the material web in the region of the inlet 1 1 in the space bounded by the enclosure 7 8th
- the outlet 12 can be assigned from the enclosure 7 7 bounded space 8 means 26 for the reduction of air boundary layers.
- these can be designed in various ways.
- non-contact devices are selected.
- at least one surface of the fibrous web F is likewise provided with at least one device for applying a fluid jet directed against the one surface 4 of the material web.
- This is assigned here by way of example the uncoated underside of the fibrous web Fu and indicated only by a broken line.
- the arrangement in the region of the outlet 12 takes place additionally or according to the second approach also alternatively.
- FIG. 3a and 3b illustrate exemplary two possible embodiments with a machine-width device 16 and a plurality of juxtaposed devices 16.1 1 to 16.1 n to form a functional unit transverse to the direction of the fibrous web F in a view of the side away from the respective device side of the fibrous web F, here the fibrous web bottom Fu ,
- the devices 16, 16.1 1 to 16.1 n are therefore shown only by a broken line, since behind the fibrous web F befindlich.
- FIG. 3 a a machine-wide device 16 is provided.
- Figure 3b shows an embodiment with a plurality of transversely to the direction of the fibrous web F arranged devices 16.1 1 to 16.1 n, for example in the form of individual nozzles, which allows a modular structure of the means 15.
- the individual devices 16.1 1 to 16.1 n are free from offset in the direction of passage of the fibrous web F considered to each other.
- FIG. 4 shows by way of example an embodiment with application of the curtain 3 to a transfer element 17 in the form of a roller.
Landscapes
- Coating Apparatus (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010041713 DE102010041713A1 (de) | 2010-09-30 | 2010-09-30 | Vorrichtung zum direkten oder indirekten Auftrag von flüssigem bis pastösem Auftragsmedium und Verfahren zum Betreiben einer derartigen Vorrichtung |
PCT/EP2011/065490 WO2012041673A1 (fr) | 2010-09-30 | 2011-09-07 | Dispositif d'application directe ou indirecte d'une substance à appliquer liquide à pâteuse et procédé de fonctionnement d'un tel dispositif |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2622137A1 true EP2622137A1 (fr) | 2013-08-07 |
Family
ID=44645694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11755315.6A Withdrawn EP2622137A1 (fr) | 2010-09-30 | 2011-09-07 | Dispositif d'application directe ou indirecte d'une substance à appliquer liquide à pâteuse et procédé de fonctionnement d'un tel dispositif |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2622137A1 (fr) |
CN (1) | CN103261518A (fr) |
DE (1) | DE102010041713A1 (fr) |
WO (1) | WO2012041673A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2811069B1 (fr) | 2012-11-22 | 2018-08-29 | Valmet Technologies, Inc. | Dispositif pour traiter un voile de fibres |
DE102017101373B4 (de) * | 2017-01-25 | 2022-02-03 | Voith Patent Gmbh | Vorhang-Auftragswerk und Verfahren zum Auftragen eines Auftragsmediums |
CN110997158A (zh) * | 2017-08-02 | 2020-04-10 | 福伊特专利有限公司 | 用于对料幅进行涂层的方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19702605A1 (de) * | 1997-01-24 | 1998-07-30 | Voith Sulzer Papiermasch Gmbh | Vorrichtung und Verfahren zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn |
DE19839916A1 (de) * | 1998-09-02 | 2000-03-09 | Jagenberg Papiertech Gmbh | Verfahren und Vorrichtung zur Verminderung des Volumens oder Drucks eines Fluids, das von sich bewegenden Oberflächen in einen Spalt eingeschleppt wird |
DE10358508A1 (de) | 2003-12-13 | 2005-07-07 | Voith Paper Patent Gmbh | Auftragsvorrichtung |
DE102004037214A1 (de) * | 2004-07-30 | 2006-03-23 | Voith Paper Patent Gmbh | Vorrichtung zum direkten Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn |
DE102005036667A1 (de) * | 2005-08-04 | 2007-02-08 | Voith Patent Gmbh | Auftragsverfahren |
DE102007029646A1 (de) * | 2007-06-26 | 2009-01-08 | Voith Patent Gmbh | Auftragsverfahren sowie Vorhangauftragswerk |
FI20085816A0 (fi) * | 2008-09-02 | 2008-09-02 | Metso Paper Inc | Paperi-/kartonkikoneeseen integroitu päällystys- ja kalanterointilaitteisto |
-
2010
- 2010-09-30 DE DE201010041713 patent/DE102010041713A1/de not_active Withdrawn
-
2011
- 2011-09-07 EP EP11755315.6A patent/EP2622137A1/fr not_active Withdrawn
- 2011-09-07 WO PCT/EP2011/065490 patent/WO2012041673A1/fr active Application Filing
- 2011-09-07 CN CN2011800576557A patent/CN103261518A/zh active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO2012041673A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN103261518A (zh) | 2013-08-21 |
DE102010041713A1 (de) | 2012-04-05 |
WO2012041673A1 (fr) | 2012-04-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0881330B1 (fr) | Procédé et dispositif pour enduire un matériau fluide ou pâteux sur une bande en mouvement | |
AT509802B1 (de) | Verfahren und anlage zur behandlung einer faserbahn | |
DE102008021541B4 (de) | Verfahren und Vorrichtung zum Behandeln einer Faserbahn | |
DE10012344A1 (de) | Vorhang-Auftragsverfahren | |
DE1696619B2 (de) | Verfahren zur steuerung der dicke eines metallischen ueberzugs | |
EP3697543B1 (fr) | Mécanisme d'application à nappe et procédé d'application d'une substance à appliquer | |
EP1516087B1 (fr) | Dispositif d'enduction des deux faces d'une bande notamment de papier ou de carton et de sechage de cette bande | |
EP2157240B1 (fr) | Dispositif d'application de rideau | |
EP1541765B1 (fr) | Dispositif de revêtement | |
DE69430837T2 (de) | Verfahren und Vorrichtung zur Beschichtung eines laufenden Bahnes | |
AT519423B1 (de) | Verfahren und system zum auftragen einer schicht einer substanz auf eine sich bewegende faserbahn mittels schaumauftragung | |
WO2012041673A1 (fr) | Dispositif d'application directe ou indirecte d'une substance à appliquer liquide à pâteuse et procédé de fonctionnement d'un tel dispositif | |
EP1676957B1 (fr) | Dispositif d'enduction | |
DE10232949A1 (de) | Vorhang-Auftragsvorrichtung | |
EP3574144B1 (fr) | Dispositif de revetement par rideau et procede pour appliquer un materiau de revetement | |
EP2277630A2 (fr) | Dispositif de revêtement d'une bande traversante | |
DE3535944A1 (de) | Verfahren und vorrichtung in einer papiermaschine zum verhindern von induziertem ueberdruck in dem keilfoermigen raum zwischen lippenbalken und brustwalze | |
DE102005035317A1 (de) | Auftragsverfahren | |
WO2004074148A2 (fr) | Dispositif pour guider une bande de matiere fibreuse en deplacement | |
AT506423B1 (de) | Verfahren zur stabilisierung eines streichvorhangs beim florstreichen und eine das verfahren anwendende vorrichtung | |
DE10358754B4 (de) | Bahnfördervorrichtung | |
EP2409781B1 (fr) | Dispositif de revêtement par rideau | |
DE4334468C2 (de) | Verfahren und Vorrichtung zur Stabilisierung einer laufenden Bahn | |
DE102004003899A1 (de) | Vorrichtung zum Führen einer laufenden Faserstoffbahn | |
AT508973B1 (de) | Vorrichtung und ein verfahren zur stützung einer faserbahn |
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 |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20130502 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: FISCHER, FRANZ Inventor name: HENNINGER, CHRISTOPH Inventor name: SASA, TADASHI |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: HENNINGER, CHRISTOPH Inventor name: FISCHER, FRANZ Inventor name: SASA, TADASHI |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20170401 |