EP3697543A1 - Vorhang-auftragswerk und verfahren zum auftragen eines auftragsmediums - Google Patents
Vorhang-auftragswerk und verfahren zum auftragen eines auftragsmediumsInfo
- Publication number
- EP3697543A1 EP3697543A1 EP18782395.0A EP18782395A EP3697543A1 EP 3697543 A1 EP3697543 A1 EP 3697543A1 EP 18782395 A EP18782395 A EP 18782395A EP 3697543 A1 EP3697543 A1 EP 3697543A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- curtain
- air
- medium
- applicator
- application
- 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
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000003570 air Substances 0.000 claims abstract description 137
- 239000000463 material Substances 0.000 claims abstract description 45
- 239000011248 coating agent Substances 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 239000012080 ambient air Substances 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 235000011837 pasties Nutrition 0.000 claims abstract description 7
- 238000011010 flushing procedure Methods 0.000 claims description 89
- 238000009826 distribution Methods 0.000 claims description 13
- 239000007769 metal material Substances 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 28
- 238000004378 air conditioning Methods 0.000 description 10
- 238000009833 condensation Methods 0.000 description 9
- 230000005494 condensation Effects 0.000 description 9
- 238000010926 purge Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 7
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- 238000004519 manufacturing process Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 239000002356 single layer Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000001143 conditioned effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000006261 foam material Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007766 curtain coating Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- YAFQFNOUYXZVPZ-UHFFFAOYSA-N liproxstatin-1 Chemical compound ClC1=CC=CC(CNC=2C3(CCNCC3)NC3=CC=CC=C3N=2)=C1 YAFQFNOUYXZVPZ-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- 238000009420 retrofitting Methods 0.000 description 1
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- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009849 vacuum degassing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B05C5/007—Slide-hopper coaters, i.e. apparatus in which the liquid or other fluent material flows freely on an inclined surface before contacting the work
- B05C5/008—Slide-hopper curtain coaters
-
- 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
- D21H23/30—Pretreatment of the paper
-
- 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
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/06—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying two different liquids or other fluent materials, or the same liquid or other fluent material twice, to the same side of the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/30—Processes for applying liquids or other fluent materials performed by gravity only, i.e. flow coating
- B05D1/305—Curtain coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2252/00—Sheets
- B05D2252/02—Sheets of indefinite length
Definitions
- the invention relates to a curtain commissioned work according to the preamble of claim 1 and a method for coating a moving material web, in particular a fibrous web according to the preamble of claim 1 1st
- a coating In the production of fibrous webs such as paper or board webs, a coating, a so-called line, is frequently applied to one or both sides of the material web to improve the surface properties.
- the coating has been established by means of a curtain applicator in recent years.
- curtain coaters are often used in the paper or B & P production to achieve a particularly high quality of coating with low use of the expensive coating color. Curtain applicators are therefore often used to produce the uppermost, the so-called cover layer. Since the top layer of the paper or B & P web is the layer which determines the appearance of the paper or board, the top layer is subject to particularly high quality requirements.
- a high quality of the coating is also an important quality criterion when using such applicators in layers for layers below the cover layer.
- Curtain applicators for coating a moving material web with at least one liquid and / or pasty application medium generally have an applicator head which comprises at least one trailing edge extending substantially across the width of the applicator head, at which the application medium leaves the applicator head in the form of a free-falling curtain ,
- Such a curtain is particularly susceptible to air currents. Especially in applications where a large curtain height is needed or desired, or at low flow rates of coating color, the curtain is particularly sensitive.
- drag material is carried along by the material web itself, which can disturb the curtain.
- various devices for air boundary layer removal are known from the prior art. For example, DE 10 2008 040 419 and DE 10 2008 040 405 are cited.
- curtain applicators In order to degas the paint of curtain applicators, ie, to ensure that the coating color can pass out of the applicator head of the curtain applicator without air bubbles, vacuum degassing devices are also used which must be operated at low temperature to prevent the coating from boiling. Due to the cool coating color, which is performed in the gun, the warm ambient air at the gun, especially at the trailing edge of the gun can condense and condensate drops on the fibrous web to be produced or condensate drops on the nozzle lip disturb the liquid curtain and with stripes generate less stroke. To prevent this, curtain applicators are usually operated in a surrounding enclosure or encapsulation, which is air-conditioned.
- a major disadvantage of such air-conditioned enclosures is that the air conditioning is very expensive, both in the purchase as well as during operation.
- a further object of the invention is to propose a curtain application unit in which the curtain remains largely unaffected by air currents even at a greater curtain height or a lower application quantity of application medium.
- Another object of the invention is to allow easy maintenance and control of the curtain applicator, so that the curtain is not affected by the movements of the operator or only to a very limited extent.
- a further object of the invention is to propose a compact and flexible design for a curtain applicator, in order to enable retrofitting even in tight spaces and given web guide.
- a curtain coater is provided for applying a liquid or pasty application medium on at least one surface of a moving material web, in particular a fibrous web.
- the curtain applicator comprises an applicator head, with at least one substantially over the width of the application skopfes extending tear-off edge at which the application medium leaves the gun in the form of a free-falling curtain.
- at least one rinsing device is provided, by means of which at least one of the at least one spoiler edge is acted upon by a flowing gaseous rinsing medium.
- At least one blocking device is provided, which is suitable for keeping air movements of the ambient air away from the curtain.
- the locking device according to the invention ensures that the curtain remains largely unaffected by air currents even at a greater curtain height.
- the curtain applicator can adapt to the circumstances of the installation situation, the running of the web, etc., that maintenance and control of the curtain commissioned work is easily possible without the curtain being significantly influenced by the movements of the operator.
- at least one rinsing device is provided by means of which at least one of the at least one spoiler is acted upon or acted upon by a flowing gaseous rinsing medium, it is achieved that in the region of the spoiler edge little or no ambient air can accumulate at the spoiler edge can condense.
- the invention may be possible by the invention to dispense with the usual complete housing of the curtain applicator together with a part of the moving web. This simplifies the design and installation of the curtain applicator in a coating system significantly in tight spaces, and also significantly reduces the costs incurred.
- the invention also has a high degree of flexibility with regard to the possibilities of the web guide, since many restrictions of the web guide resulting from a fixed housing are now eliminated.
- the application head preferably comprises at least one transverse distribution chamber and a nozzle gap with exit opening connected to it such that the application medium coming from the transverse distribution chamber via the nozzle gap to the exit opening leaves the application head at the exit opening, wherein the at least one separation edge is formed by at least part of the exit opening.
- the exit opening can provide a first and a second spoiler edge, wherein, when the applicator head is used as intended in the running direction of the material web, the first spoiler edge is arranged at the front and the second spoiler edge at the rear.
- a first and / or a second rinsing device is or are arranged such that, when the applicator head is used as intended in the direction of travel of the material web, the first rinsing device acts on the first rupture edge from the front with the rinsing medium and the second rinsing device applies the second rupture edge acted upon from the back with the flushing medium.
- the applicator head comprises at least one transverse distribution chamber and a nozzle gap with outlet opening connected thereto and an adjoining sliding surface which in turn adjoins the tear-off edge such that viewed in the direction of flow of the application medium From the transverse distribution chamber via the nozzle gap and the outlet opening coming application medium flows after the outlet opening on the sliding surface to the trailing edge and leaves the applicator head at the trailing edge.
- the at least one purging device can be arranged outside the nozzle gap.
- the at least one flushing device is designed and arranged such that the flow of the gaseous flushing medium is directed in the direction of the free-falling curtain.
- the applicator head comprise a housing block, in particular of a metallic material, in which the transverse distribution chamber and the nozzle gap are arranged, wherein the housing block is at least partially surrounded by an outer lining and / or a thermally insulating layer which in contact with the environment comes.
- the metallic material may in particular be a steel, in particular an alloyed or unalloyed stainless steel.
- the classification of steels or stainless steels can be found in DIN EN 10020.
- the housing block entirely or only partially made of the metallic material, in particular the steel.
- a proportion of more than 90% by weight can be advantageous.
- the outer lining may in this case, for example, at least in sections by at least one flat and / or bent sheet or by at least one flat and / or curved plastic plate such as.
- a plexiglass be provided or include.
- the outer lining may be at least partially thermally decoupled from the housing block by the thermally insulating layer.
- the thermally insulating layer is arranged at least in sections between the outer lining and the housing block.
- the outer lining which is thermally decoupled from the housing block, ensures that the ambient air does not come into direct contact with the "cool" housing block through which the application medium is conducted.
- a heating of the housing block is prevented by warmer ambient air, which can lead to a deformation of the housing block Due to the high demands on the accuracy of the nozzle gap, for example, even small deformations can have a great influence on the quality of the coating
- Nozzle insulation allows the profile quality of the coating in the CD direction to be kept constant.
- the outer lining may also be formed at least in sections by a thermally insulating layer.
- a thermally insulating layer Experiments by the applicant have shown that a very stable operation of the curtain applicator can be achieved in particular by combining a - at least partially thermal insulation of the housing block with the rinsing of at least one spoiler edge with a gaseous flushing medium such as air.
- the thermally insulating layer comprises a foam material and / or a honeycomb structure and / or glass wool and / or mineral wool or is formed by one or more of the foregoing.
- the thermally insulating layer is formed by a gaseous insulating medium which is arranged or guided in a gap between the housing block and the outer cladding, wherein in particular the gap in the region of the trailing edge in the range 0.5 mm - 50 mm, preferably 2- 10mm, is.
- the gaseous insulating medium is at least partially, preferably completely, provided by the flowing gaseous flushing medium. In this case, isolation of the housing block as well as flushing of the at least one tear-off edge can be provided in a particularly simple manner.
- the gaseous insulating medium and / or the gaseous flushing medium in particular air
- the air has been conditioned prior to use as a flushing medium and / or insulation medium with respect to their temperature and / or their moisture content.
- at least one blocking device it can be provided that at least one blocking device is arranged in the direction of travel of the material web before or after the application head.
- two or more locking devices may be provided, wherein at least one locking device is arranged in front of the gun and at least one locking device after the gun.
- the at least one blocking device in particular all blocking devices, may comprise means for producing an air shield, in particular one or more air nozzles.
- the flow direction of the air of the air shield has a component which points from the applicator head path and / or has a component which points away from the material web.
- the blocking effect of the locking device we realized in these embodiments, that specifically an air flow is generated, which is directed so that it does not disturb the curtain.
- the air flow of the air shield should be dimensioned so strong that the air movements of the ambient air, which are generated for example by the movement of the operator, not, or penetrate only very greatly mitigated through the air shield.
- the air shield will often extend at least over the width of the material web, or the width of the curtain, or go a little beyond.
- the amounts of air can advantageously be in the range between 0.2 m 3 / min / m and 12 m 3 / min / m. Particularly preferably, the amounts of air can be between 0.5 m 3 / min / m and 0.9 m 3 / min / m. Alternatively, the amounts of air may be more than 1.2 m 3 / min / m, in particular between 2.4 and 9 m 3 / min / m.
- the information on the air volume is measured at 20 ° C and 1 bar pressure.
- Another great advantage of this air shield is that the operator can simply turn off the air shield for repair or maintenance work, or even can easily reach through the air shield.
- An optionally complex disassembly of a permanently installed rigid device can be omitted.
- a suitable receptacle or sample carrier through the air shield through to Curtain be led. For this neither the order process has to be interrupted nor the air shield switched off.
- the distance of the locking device to the applicator head is less than 150 cm, in particular less than 100 cm, particularly preferably less than 50 cm.
- the risk can be reduced that in the space between the barrage and the curtain applicator air movements are generated, which can interfere with the curtain.
- a distance of 20 cm or more, in particular 25 cm or 30 cm and more can be selected. Such positioning makes the attachment of the air nozzles easier. On the other hand, it can also be avoided that a suction is generated by the rising air of the air shield, which can disturb the curtain.
- the flushing device and the at least one blocking device are connected to a common air supply.
- the common air supply can be a central compressed air supply, which is usually present anyway in the production hall. Such a common air supply reduces especially the investment costs of the system.
- fans or compressors can be used as air pressure generator for the air shield and / or the purging devices, for example. It can unconditioned air, are used, which is taken for example directly from the environment of the curtain commissioned work. But it can also be provided facilities for conditioning the air, especially for adjusting the temperature and humidity.
- the purging device or purging devices are operated with air of a higher air pressure than the air shield or shields.
- purging devices can be operated by means of the central compressed air supply, while the air shield is generated by a fan or compressor
- the nozzles used with compressors usually have slot widths of less than 0.8 mm.
- the air jets, which are operated with fans for the production of air shields usually have slot width gap widths of less than 3 mm.
- Air nozzles with compressors work with high static pressures ( ⁇ 10 bar).
- Air nozzles with fans usually operate at low static pressure ( ⁇ 1 bar).
- the purging devices and the air shields are operated with different compressed air generators, it may be advantageous that they are connectable to the same compressed air generator. So it may be advantageous, for example, if the air shield in the event of failure of the fan or compressor is also connectable to the central compressed air supply, which also the Rinsing supplies supplied, and thus can be operated easily uncomplicated.
- the connectivity can be realized for example via a stopcock or the like. But it can also be provided that, for example, a hose connection must be changed over. It is essential that the connection can be made quickly without major structural measures.
- the curtain applicator has means to adjust the temperature of the flushing medium and / or the application medium. It is advantageous that the temperature of the flushing medium is between the temperature of the environment and the temperature of the application medium or below the temperature of the application medium or below the temperature of the ambient air.
- the means are in particular designed to adjust the temperature of the flushing medium in the range from 0.4 times to 1.5 times, preferably from 0.6 times to 1.5 times the temperature of the environment and / or the application medium ,
- the information on multiples should refer here to the temperature value in ° C.
- the means for adjusting or matching the temperature of the flushing medium and / or the temperature of the application medium may in particular include heating and / or cooling devices and temperature measuring devices, by means of which the temperature of the flushing medium and the application medium can be measured and adjusted to a desired value.
- the means further comprise a control and / or regulating device with which the heating and / or cooling devices are automatically controlled and / or controlled on the basis of the measured temperatures of the flushing medium and the application medium and the set temperatures for the flushing medium and the application medium.
- the curtain applicator comprises means for dehumidifying the flushing medium or to reduce the moisture content of the flushing medium.
- various direct or indirect means may be provided.
- a dehumidifying device can be provided which is assigned directly to the curtain applicator, in particular the rinsing device.
- the flushing medium is air, which is taken from the compressed air system of the factory or factory.
- This air is usually already conditioned to a certain humidity and temperature. Depending on the application, this already performed for the compressed air system of the factory already dehumidifying the air may be sufficient.
- the means for dehumidifying the compressed air can be added as an indirect means for dehumidifying the curtain applicator.
- the curtain applicator comprises means, in particular sensors for determining the temperature of the application medium and / or the temperature of the flushing medium and / or the relative humidity of the flushing medium.
- the invention makes it possible in particular for the curtain applicator to have no housing. In this case, a particularly compact design and a very high flexibility in the guidance of the web are possible.
- the curtain applicator has an enclosure, the enclosure is not air-conditioned.
- the enclosure is particularly designed to at least surround the application head and the area where the curtain of application medium meets the fibrous web. It can be provided that such an enclosure is not completely closed, and is eg only open to the top or to one side. Since the enclosure is not air-conditioned, this is easily possible. Furthermore, it may be advantageously provided that the distance of the opening from the material web is at least 100 mm. In many preferred applications, the distance can be between 120 mm and 180 mm. But it can also occur distances of more than 200 mm, or more than 300mm. In such an embodiment, the drop height of the curtain during curtain application is comparatively very large. The curtain here is also very susceptible to disturbances, especially for air movements of the ambient air. The invention can be advantageously used in such an embodiment.
- the at least one blocking device comprises a plate which is fastened to or in the immediate vicinity of the application head and extends substantially parallel to the curtain.
- a plate can be viewed in the running direction of the material web, be mounted before or after the curtain.
- a further plate can also be provided, which is fastened to or in the immediate vicinity of the applicator head. In that case, one plate will often be provided in front, and the other plate behind the curtain.
- one or both of these plates are provided at a distance from the curtain of less than 100 mm, preferably less than 50 mm.
- the curtain coater can still include a stripping device, which is suitable to keep entrained with the material web drag air away from the curtain.
- a stripping device can usually be arranged in the running direction of the material web in front of the applicator head.
- Stripping devices are known, for example, so-called air-cutters (air-cut) in the industry.
- the stripper extends until just before the impact of the curtain.
- this scraper acts only against the air boundary layer in the immediate vicinity of the moving web and is not suitable air movements of the ambient air, which are generated for example by the movement of the operator or rotating machine parts to keep away from the curtain.
- the outer lining is at least in the area of the spoiler edge arranged and designed such that it does not affect the free fall of the curtain.
- the housing block comprises a first and a second housing block part and the transverse distribution chamber and the nozzle gap are formed by a cavity formed between the two housing block parts.
- the two housing block parts by connecting means, in particular screws, connected to each other.
- the first housing block part comprises a first nozzle lip providing the first trailing edge and the second housing block part comprises a second nozzle lip providing the second trailing edge, which are adjustable relative to one another such that the width of the nozzle gap in the region of the outlet opening in the transverse direction the applicator head, and thus in the transverse direction of the fibrous web, is individually adjustable.
- the application head according to the invention can be constructionally constructed particularly simply with an adjustable nozzle gap.
- the applicator head has an upper side and a lower side and the outlet opening is arranged on the underside.
- the flushing medium which at least partially provides the isolation medium is in one of the direction of flow directed towards the bottom, in particular from the top to the bottom, to the region of the tear-off edge.
- the conditioned flushing medium e.g., air
- the conditioned flushing medium should have a suitable humidity and temperature such that the formation of condensed water, e.g. can be safely avoided or eliminated on the lips of the gun or its demolition edge.
- the object is achieved by a method for coating a moving material web with at least one liquid and / or pasty application medium by means of a curtain applicator, in particular a curtain applicator according to one aspect of the invention.
- the method is characterized in that the application medium leaves the application head in the form of a freely falling, single or multilayer curtain which subsequently enters the material web, the region of at least one of the at least one separation edge being exposed to a flowing gaseous rinsing medium.
- the curtain applicator comprises a blocking device, which in turn comprises means for generating an air shield.
- These may in particular be one or more air nozzles.
- the speed of the air of the air shield can be in particularly advantageous embodiments between 10 m / s and 60 m / s, in particular between 20 m / s and 50 m / s.
- Advantageous amounts of air can be in the range between 0.2 m 3 / min / m and 1, 2 m 3 / min / m. In particular, the amounts of air can be between 0.5 m 3 / min / m and 0.9 m 3 / min / m.
- the air shield can be produced by means of a slot nozzle which has a slot width between 1 mm and 5 mm, in particular between 2 mm and 4 mm.
- the values of the above table are merely illustrative of the invention, but in no way constitute a limitation.
- the treatment may, for example, include filtering and / or dehumidifying and / or heating or cooling.
- An advantageous embodiment of the method is characterized in that by the application head, the application medium with a flow rate of less than 10 l / min * m, in particular less than 6 l / min * m, more preferably between 2 l / min * m and 5 l / min * m is applied.
- This will be a comparatively thinner Curtain generated, which can be particularly easily influenced by air movements of the ambient air.
- the use of a curtain applicator device according to the invention with a locking device is particularly advantageous. In particular, even if the drop height of the curtain is more than 100mm, more than 200 mm, or even 300mm and more.
- the application medium may also be advantageous to apply the application medium at a greater flow rate, for example 20 l / min * m, 25 l / min * m or more. In this way, order quantities of 20 g / m 2 or even 30 g / m 2 can be realized
- the material web is moved at a speed of between 100 m / min and 1200 m / min, in particular between 200 m / min and 800 m / min.
- the composition and / or the thickness of the curtain must be adjusted accordingly, which in turn makes the curtain more susceptible to ambient air.
- the use of a curtain applicator device according to the invention with a locking device is again particularly advantageous.
- the method can also be used advantageously at speeds above 800 m / min, e.g. at 1000 m / min, 1200 m / min, 1500 m / min or more
- the invention is very advantageous, in particular but not exclusively in combination with a height of the curtain of 100mm or more.
- line weights shown here between 8 g / m 2 and 14 g / m 2 are quite common. However, line weights of up to 20 g / m 2 or more can also be realized with the method according to the invention or the device according to the invention.
- the gaseous flushing medium may in particular be air.
- the purging medium e.g., air
- the purging medium should have a suitable moisture and temperature so that the formation of condensation, e.g. can be safely avoided or eliminated on the lips of the gun or its demolition edge.
- the temperature of the flushing medium may be smaller, greater than or equal to the temperature of the application medium.
- a preferred embodiment of the method provides that the temperature of the flushing medium is maintained between the temperature of the environment and the temperature of the application medium.
- the temperature of the flushing medium is slightly, for example less than 10 ° K, especially 7 ° K or 5 ° K, below the temperature of the application medium and / or below the temperature of the ambient air. It is conceivable in this context, in particular, that the temperature of the flushing medium in the range of 8 ° C to 55 ° C, preferably from 18 ° C to 40 ° C, that of the application medium in the range of 18 ° C to 40 ° C, preferably 25 ° C is up to 35 ° C and the temperature of the environment is less than 65 ° C.
- the temperature of the flushing medium deviates by up to 7 ° K, more preferably by a maximum of 5 ° K, downwards or upwards from the temperature of the application medium.
- the temperature of the flushing medium is greater than the temperature of the application medium.
- the temperature of the flushing medium between 4 ° K and 25 ° K, especially between 7 ° K and 15 ° K be greater than the temperature of the application medium.
- the relative humidity of the purge medium is less than 100 RH%.
- the relative humidity of the flushing medium is less than 80% RH or less than 70% RH.
- the temperature of the housing block will essentially correspond to the temperature of the application medium. (Possibly with 1 ° K, 2 ° K or a maximum of 5 ° K difference). The trailing edge will then assume the same temperature.
- the flushing medium In applications where the temperature of the flushing medium, e.g. the scavenging air is higher than that of the application medium, the flushing medium is cooled down in the direction of the temperature of the application medium when the spoiler edge or the remaining parts of the housing block. This increases the relative humidity of the flushing medium. If the temperature of the flushing medium falls below the dew point, undesirable condensation may occur.
- the moisture content of the flushing medium is kept so low -ggf. by an upstream dehumidification - that this condensation at the die lips and / or the tear-off edges are avoided.
- the temperature of the flushing medium is greater than the temperature of the application medium, and the moisture content of the flushing medium is adjusted so that the dew point of the flushing medium above the temperature of the application medium, in particular more than 2 ° K above the temperature of the application medium lies.
- the relative humidity of the flushing medium remains then even after cooling at the trailing edge far below 100% RH, for example, at 80% RH, 70% RH or less, so that no condensation on the die lips or on the Abrissitate arises.
- the outflow velocity of the rinsing medium is between 6 m / min and 40 m / min, in particular between 12 m / min and 20 m / min
- the exit speed of the application medium from the application head is between 10 m / min and 200 m / min, in particular between 16 m / min and 66 m / min.
- the outflow velocity of the flushing medium is between 40% and 140%, in particular between 50% and 100% of the exit velocity of the application medium.
- FIG. 1 shows schematically a curtain coater according to the prior art.
- Figure 2 shows a curtain applicator according to one aspect of the invention
- FIGS 3 and 4 show schematically each a part of a curtain applicator according to further aspects of the invention.
- FIGS 5 to 11 show possible implementations of an applicator head in accordance with various aspects of the invention.
- Figure 1 shows a curtain applicator as known in the art.
- the material web 4 is guided through a slot in an enclosure 30 inside. Supported by two rollers 3, it is guided under an applicator head 1, whereby a curtain 2 of application medium is deposited on the material web 4.
- the material web 4 is guided out of the housing through a further slot.
- an air scraper 5 in particular an air-cut is provided.
- the housing 30 is conditioned by means of air conditioning 31. Without suitable air conditioning, such a housed curtain applicator can not be operated stably.
- the material web 4 is usually deflected by a non-contact deflecting element 32, which is also known as air-turn 32, and optionally forwarded to a drying.
- the housing 30 requires a relatively large amount of space. In addition, the necessary air conditioning in purchase and operation is associated with considerable costs.
- FIG. 2 shows a curtain applicator according to one aspect of the invention.
- a head 1 is provided, from which the curtain 2 is applied to the moving material web 4.
- the application head 1 comprises at least one flushing device, by means of which at least one separation edge can be acted upon by a flowing gaseous flushing medium such as, for example, air.
- the outer lining is in many embodiments, at least in sections by a thermally insulating layer decoupled from the housing block in the Netherlands. This is very advantageous, but may also be possible to dispense with such isolation.
- the material web 4 moves in the machine direction MD from left to right.
- the order takes place here between two guide rollers 3, over which the material web is guided. However, this is not necessary for the invention.
- the order can for example also take place on a roller.
- a stripping device 5 is provided in the direction of the web 4 seen in front of the curtain 2. It can for example be designed as a so-called air-cut. Alternatively, however, it can also be provided, for example, that the stripping device 5 comprises or consists of a brush, foil or lip which can be applied to the material web 4. Both embodiments can fulfill the important function of the stripping device 5, namely to reduce or remove the air boundary layer entrained by the material web 4.
- the curtain applicator in Figure 2 also shows two locking devices 9, wherein a locking device 9 is arranged in front of the application head 1, and a further locking device 9 after the application head 1.
- a nozzle arrangement 6 is provided.
- These air nozzles 6 each generate an air shield 9, which achieves the desired barrier effect, namely to keep air movements of the ambient air away from the curtain 2.
- the air shield is here in both locking devices 9 directed so that the flow velocity of the air has a component which faces away from the applicator head 1 and also has a component which faces away from the material web 4. In this way, a disturbing influence of the air shield on the web run or the curtain stability can be avoided most effectively.
- the curtain applicator unit is very flexible and can also be well integrated into existing installations. On the one hand - especially in the absence of an enclosure - can be built very compact.
- the Curtain coater requires only a relatively small space in the cross machine direction. In addition, however, the web guide of the material web 4 can be adjusted. In a closed curtain applicator the web is fed in and out through a gap in the housing. This gap is fixed. In addition, it is usually designed to be very narrow in order to ensure adequate air conditioning of the enclosure.
- FIG. 2 shows by way of example that such restrictions are largely eliminated with curtain coating units according to the invention.
- the dashed curves 4a and 4b show two possible courses of the material web 4, 4a, 4b before the order.
- the guide rollers 3a and 3b can be positioned comparatively close to the commissioned work.
- the curtain applicator shown in Figure 3 comprises an applicator head 1, from which a curtain 2 is applied under the influence of gravity on a material web 4, for example a paper or board web.
- the material web 4 is diverted by means of a guide roller 3, that their course extends substantially horizontally below the curtain 2.
- the impact point of the curtain is viewed here in the running direction of the material web 4 slightly behind the guide roller 3.
- the entrained with the material web 4 drag air is kept away from the curtain 2 here by a stripping device 5.
- suitable stripping devices 5 for example so-called air knives (air-cut) are known in the industry. Frequently, the stripping device 5 extends to shortly before the point of impact of the curtain.
- the inventive at least one locking device 9, 9a, 9b in the form of two plates 9a and 9b realized.
- the two plates 9a, 9b are fastened here directly to the applicator head. While it is in principle also possible to fix the plates elsewhere, the attachment directly to the application head 1 has the advantage that the distance of the plates 9a, 9b to the curtain 2 is extremely low. Distances of less than 100mm, and even less than 50mm are feasible here. This leads to a very compact design.
- the environment around the applicator head for example the deflecting roller 3 or the stripping device 5, is free for maintenance work and the like during operation accessible, without the curtain 2 is disturbed by the resulting movement of the ambient air.
- FIG. 4 shows a curtain applicator according to a preferred aspect of the invention.
- the at least one locking device 9, 9a, 9b realized by an air shield 9.
- the air shield 9 From an air nozzle 6, or a row of nozzles 6, the air exits to produce the air shield 9.
- the direction of flow of the air, and thus the orientation of the air shield 9 can go vertically upwards, or be slightly inclined to this direction.
- this inclination will be directed away from the applicator head 1, and thus also away from the curtain 2, in order to avoid influencing the curtain 2 by the air shield 9.
- the air shield 9 can extend at least over the entire width of the curtain 2 in the cross machine direction.
- the air nozzle 6 or nozzle row 6 is fastened directly to a stripping device 5. This may be advantageous, but depending on the situation, other possibilities of attachment may be possible and useful.
- the distance of the air shield to the gun less than
- FIG. 5 shows - in a cross-sectional view in a plane parallel to the web running direction MD and perpendicular to the web CD transverse direction (CD extends perpendicular to the plane of Figures 5-1 1) - a first embodiment of an applicator head 1 according to the invention for producing a single-layer free-falling curtain.
- 2 a liquid and / or pasty application medium for coating a moving material web.
- the application head 1 has a transverse distribution chamber 23 and a nozzle gap 24 connected to this outlet opening 25 such that the of the transverse distribution chamber 23rd Application medium coming from the nozzle gap 24 to the outlet opening 25 leaves the application head 1 at the outlet opening 25.
- the outlet opening 25 provides a front tear-off edge 26 which is viewed in the web running direction MD and a rear tear-off edge 27 which is viewed in the web running direction MD.
- the application head 1 comprises a first flushing device 28 and a second flushing device 29, which are designed and arranged such that, when the application head 1 is used as intended in the web running direction of the material web 4, the first flushing device 28 is the first flushing device 28 Tear-off edge 26 from the front with a, by a flowing flushing medium 13 (dash-dotted line with arrow) acted upon and the second flushing device 29, the second tear-off edge 27 from behind with a flowing flushing medium 14 (dash-dotted line with arrow) acted upon.
- the two flushing devices 28, 29 are arranged outside the nozzle gap 24. In the present case, each of the two flushing devices provides a flushing medium in the form of air.
- the application head 1 comprises a housing block made of a metallic material, advantageously a steel, in which the transverse distribution chamber 23 and the nozzle gap 24 are arranged.
- the housing block comprises a first housing block part 10 (in the present embodiment, front housing block part 10) and a second housing block part 1 1 (in the present embodiment, the rear housing block part 1 1), wherein formed by a formed between the two housing block parts 10, 1 1 cavity the transverse distribution chamber 23 and the nozzle gap 24 are formed.
- the first housing block part 10 comprises a first nozzle lip 10. 1, which provides the first tear-off edge 26 in the region of the outlet opening 25 of the nozzle gap 24.
- the second housing block part 1 1 comprises a second nozzle lip 1 1 .1, which provides the second tear-off edge 27 in the region of the outlet opening 25 of the nozzle gap 24.
- the two nozzle lips 10.1 and 11.1 are adjustable relative to one another such that the width of the nozzle gap 24 in the region of the outlet opening 25 in the transverse direction of the application head 1 is individually adjustable.
- the housing block is partially surrounded by an outer lining 12.1, 12.2, which comes into contact with the environment.
- the outer lining 12.1, 12.2 in this case has a front part of the outer lining 12.1 in the direction of web travel MD in the form of a bent sheet metal and a rear part of the outer covering 12.2 in the direction of web travel MD in the form of a bent sheet metal.
- the outer lining 12.1, 12.2 is arranged and formed in the region of the tear-off edges 26, 27 in such a way that it does not impair the free fall of the curtain 2.
- the outer lining 12 is at least partially thermally decoupled from the housing block 10, 1 1 by a thermally insulating layer.
- the thermally insulating layer between the front part of the outer lining 12.1 and the front housing block part 10 is formed by a gaseous insulating medium, which is guided in a gap between the front housing block part 10 and the front part of the outer lining 12.1 and by the flowing gaseous rinsing medium 13 the first rinsing device 28 is provided.
- the upper part of the gap between the rear housing block part 1 1 and the rear part of the outer lining 12. 2 in FIG. 5 is formed by a foam material.
- the lower part of the gap between the rear housing block part 1 1 and the rear part of the outer lining 12.2, which adjoins the upper part in FIG. 5, is formed by a gaseous insulating medium which flows through the flowing gaseous flushing medium 14 is provided from the second rinsing device 29.
- the rinsing medium flows in a direction of flow directed from the top to the bottom towards the two rupture edges 26, 27.
- FIGS. 6 to 11 For the following discussion of FIGS. 6 to 11, it should be noted that only the differences from the respectively explicitly mentioned embodiment (eg that of FIG. 5) are discussed and that identical or similar technical objects or features are designated by the same reference numerals.
- FIG. 6 shows a variant of the application head 1 shown in FIG.
- both rinsing devices 28, 29 in the lower region of the application head. 1 appropriate.
- Both the upper part of the gap between the rear housing block part 1 1 and the rear part of the outer panel, 12.2, as well as the upper part of the gap between the front housing block part 10 and the front part of the outer panel, 12.1 is in this case wholly or at least partially by a foam material filled.
- FIG. 7 shows a second embodiment of an application head 1 according to the invention for producing a single-layer, freely falling curtain 2.
- the application head of Figure 7 differs from the application head shown in Figure 5 essentially in that the applicator head of Figure 7 both purging devices 28, 29 in the lower region of the application head 1, i. At the height of the die lips 10.1 and 1 1 .1 are arranged and the outer panel 12.1 and 12.2 in front of and behind the curtain in the direction of the free-falling curtain 2 up to 100 millimeters on the two demolition edges 26, 27 projecting at the outlet opening 25, whereby the freely falling curtain 2 is shielded from disturbing environmental influences such as air currents.
- the front part of the outer covering 12.1 comprises a deflection plate 12.1 .1.
- the rear part of the outer lining 12.2 comprises a deflecting plate 12.2.2, whereby the flowing flushing medium 14 provided by the second flushing device 29 is deflected onto the second spoiler edge 2.
- the thermally insulating layer between the front part of the outer lining 12.1 and the housing block 10, 11 and the rear part of the outer lining 12.2 and the housing block 10, 11 are respectively provided by air, which is not penetrated by the flushing medium 13 , 14 is provided.
- air instead of the air, another thermally insulating layer, such as e.g. Foam, mineral wool, etc. is used.
- FIG. 8 shows a third embodiment of an application head 1 according to the invention for producing a single-layer, freely falling curtain 2.
- the application head 1 of FIG. 8 differs from the application head shown in FIG. 5 essentially in that the thermally insulating layer between the rear part of the outer covering 12.2 and the rear housing block part 11 is also formed by the gaseous insulation medium which is in FIG the gap between the rear housing block part 1 1 and the rear part of the outer panel 12.2 is guided and is provided by the flowing gaseous flushing medium 14 from the second flushing device 29.
- FIG. 9 shows a further embodiment of an application head 1 according to the invention for producing a single-layer, freely falling curtain 2.
- the application head 1 of FIG. 9 differs from the application head shown in FIG. 8 essentially in that no outer covering 12.1 and 12.2 are provided.
- the housing block 10, 1 1 surrounded only by the thermally insulating layer which comes into contact with the environment, wherein the front housing block part 10 surrounding the thermally insulating layer by the flowing gaseous flushing medium 13 from the first flushing device 28 and the the rear housing block part 1 1 surrounding thermal insulating layer is provided by the flowing gaseous flushing medium 14 from the second flushing device 29.
- FIG. 10 also shows an embodiment of an application head 1 according to the invention for producing a single-layer, freely falling curtain 2.
- the application head 1 of FIG. 10 has a transverse distribution chamber 23 and a nozzle gap 24 connected to the outlet opening 25 and an adjoining sliding surface 17 which in turn is adjoined by a trailing edge 16 such that, viewed in the direction of flow of the application medium, the transverse distribution chamber 23 passes over the nozzle gap 24 and the outlet opening 25 coming application medium after the outlet opening 5 via the sliding surface 17 to the trailing edge 16 flows and leaves the applicator head 1 at the trailing edge 16.
- the sliding surface 17 is provided by a sliding surface block 15 arranged on the front housing block part 10.
- two flushing devices 28, 29 are provided, by means of which by means of the trailing edge 16 with the flowing gaseous flushing medium 13, 14 can be acted upon.
- FIG. 11 shows an embodiment of an applicator head 1 according to the invention for producing a multilayer free-falling curtain 2 ' .
- the applicator head 1 of FIG. 1 1 differs from the applicator head shown in FIG. 8 essentially in that the housing block additionally has a housing front and rear housing block part 10 ' , 1 1 ' has a housing block center part 18, and two Quererverteilkannnnern 23.1 and 23.2 are provided with each associated nozzle gap 24.1, 24.2, which meet at the outlet opening 25 to produce a two-layer free-falling curtain 2 ' .
- the application of the two demolition edges 26, 27 and the thermal insulation of the housing block 10 ' , 1 1 ' , 18 is achieved analogously to the embodiment of Figure 8, namely loading the first separation edge 26 with the provided by the first flushing device 28 flushing medium 13 and loading the second tear-off edge 27 with the flushing medium 14 provided by the second flushing device 29, wherein the two flushing media 13, 14 respectively from the upper part of the housing block 10 ' , 1 1 ' , 18 in the gap between the outer panel 12.1 and 12.2 in a from the top to Bottom directed flow direction are performed.
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102017124280.5A DE102017124280A1 (de) | 2017-10-18 | 2017-10-18 | Vorhang-Auftragswerk und Verfahren zum Auftragen eines Auftragsmediums |
PCT/EP2018/076779 WO2019076627A1 (de) | 2017-10-18 | 2018-10-02 | Vorhang-auftragswerk und verfahren zum auftragen eines auftragsmediums |
Publications (2)
Publication Number | Publication Date |
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EP3697543A1 true EP3697543A1 (de) | 2020-08-26 |
EP3697543B1 EP3697543B1 (de) | 2023-03-29 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP18782395.0A Active EP3697543B1 (de) | 2017-10-18 | 2018-10-02 | Vorhang-auftragswerk und verfahren zum auftragen eines auftragsmediums |
Country Status (7)
Country | Link |
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US (1) | US11434607B2 (de) |
EP (1) | EP3697543B1 (de) |
CN (1) | CN111246944B (de) |
DE (1) | DE102017124280A1 (de) |
FI (1) | FI3697543T3 (de) |
PL (1) | PL3697543T3 (de) |
WO (1) | WO2019076627A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102017101373B4 (de) * | 2017-01-25 | 2022-02-03 | Voith Patent Gmbh | Vorhang-Auftragswerk und Verfahren zum Auftragen eines Auftragsmediums |
DE102021113804A1 (de) | 2021-05-28 | 2022-05-05 | Voith Patent Gmbh | Beschichterdüse |
DE102022105518B4 (de) * | 2022-03-09 | 2024-03-21 | Voith Patent Gmbh | Auftragsdüse, Auftragswerk und Verfahren |
DE102022105510B4 (de) * | 2022-03-09 | 2024-01-04 | Voith Patent Gmbh | Auftragsdüse, Auftragswerk und Verfahren |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3365325A (en) * | 1964-02-13 | 1968-01-23 | Continental Can Co | Apparatus for creation of a falling curtain of liquid |
DE3316992C2 (de) * | 1983-05-10 | 1985-05-02 | Mannesmann AG, 4000 Düsseldorf | Vorrichtung zum Stabilisieren des Wasservorhanges in Kühlvorrichtungen für Bleche und Bänder |
DE69317706T2 (de) * | 1992-07-08 | 1998-07-30 | Nordson Corp | Apparat und Verfahren zum Auftrag von diskontinuierlichen Beschichtungen |
JPH06190308A (ja) * | 1992-12-25 | 1994-07-12 | Shiyuto Kosoku Doro Gijutsu Center | スプレー塗装装置 |
EP0704752B1 (de) * | 1994-09-27 | 2001-05-30 | ILFORD Imaging Switzerland GmbH | Verfahren und Vorrichtung zur Vorhangbeschichtung eines bewegten Trägers |
DE19513531A1 (de) * | 1995-04-10 | 1996-10-17 | Du Pont Deutschland | Verfahren und Vorrichtung zur Verminderung von Störungen beim Vorhanggießen |
JP3549075B2 (ja) * | 1995-06-02 | 2004-08-04 | 三菱製紙株式会社 | カーテン塗布装置及び塗布方法 |
US5690740A (en) * | 1996-01-19 | 1997-11-25 | Smith; William C. | High volume low pressure air entrapment of overspray |
JP3621204B2 (ja) * | 1996-08-20 | 2005-02-16 | 三菱製紙株式会社 | カーテン塗布装置及び塗布方法 |
JP3676182B2 (ja) | 2000-04-03 | 2005-07-27 | 三菱重工業株式会社 | 塗工装置および塗工方法 |
US6805965B2 (en) * | 2001-12-21 | 2004-10-19 | Kimberly-Clark Worldwide, Inc. | Method for the application of hydrophobic chemicals to tissue webs |
AU2002346497C1 (en) * | 2001-12-21 | 2009-01-22 | Kimberly-Clark Worldwide, Inc. | Method for the application of a viscous composition to the surface of a paper web and their products |
GB0205572D0 (en) | 2002-03-09 | 2002-04-24 | Chawla Brinda P S | Medicament delivery and packaging |
FI20021677A (fi) * | 2002-09-20 | 2004-03-21 | Metso Paper Inc | Järjestely paperi-/kartonkirainan päällystyslaitteessa |
EP1428582B1 (de) * | 2002-12-12 | 2006-03-01 | Metso Paper, Inc. | Verfahren und Vorrichtung zum Vorhang- Beschichten |
JP2005161152A (ja) | 2003-12-01 | 2005-06-23 | Voith Paper Patent Gmbh | 塗工装置 |
DE102005039169A1 (de) * | 2005-08-17 | 2007-03-01 | Voith Patent Gmbh | Auftragsverfahren |
DE102008040405A1 (de) | 2008-07-15 | 2010-01-21 | Voith Patent Gmbh | Vorhang-Auftragswerk |
DE102008040419A1 (de) | 2008-07-15 | 2010-01-21 | Voith Patent Gmbh | Vorhang-Auftragswerk |
DE102016209336B4 (de) | 2016-05-30 | 2021-08-05 | Voith Patent Gmbh | Vorhangauftragswerk |
DE102017101373B4 (de) | 2017-01-25 | 2022-02-03 | Voith Patent Gmbh | Vorhang-Auftragswerk und Verfahren zum Auftragen eines Auftragsmediums |
-
2017
- 2017-10-18 DE DE102017124280.5A patent/DE102017124280A1/de not_active Withdrawn
-
2018
- 2018-10-02 PL PL18782395.0T patent/PL3697543T3/pl unknown
- 2018-10-02 WO PCT/EP2018/076779 patent/WO2019076627A1/de unknown
- 2018-10-02 EP EP18782395.0A patent/EP3697543B1/de active Active
- 2018-10-02 US US16/651,593 patent/US11434607B2/en active Active
- 2018-10-02 FI FIEP18782395.0T patent/FI3697543T3/fi active
- 2018-10-02 CN CN201880067840.6A patent/CN111246944B/zh active Active
Also Published As
Publication number | Publication date |
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WO2019076627A1 (de) | 2019-04-25 |
PL3697543T3 (pl) | 2023-07-24 |
EP3697543B1 (de) | 2023-03-29 |
CN111246944A (zh) | 2020-06-05 |
US11434607B2 (en) | 2022-09-06 |
US20200256017A1 (en) | 2020-08-13 |
DE102017124280A1 (de) | 2019-04-18 |
FI3697543T3 (fi) | 2023-06-21 |
CN111246944B (zh) | 2022-06-10 |
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