Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M4/00—Electrodes
  • H01M4/02—Electrodes composed of, or comprising, active material
  • H01M4/04—Processes of manufacture in general
  • H01M4/043—Processes of manufacture in general involving compressing or compaction
  • H01M4/0435—Rolling or calendering
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
  • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
  • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
  • B05C1/0817—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for removing partially liquid or other fluent material from the roller, e.g. scrapers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
  • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
  • B22F3/18—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by using pressure rollers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
  • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
  • B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
  • B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
  • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
  • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
  • B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
• • C—CHEMISTRY; METALLURGY
  • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
  • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
  • C23C24/00—Coating starting from inorganic powder
  • C23C24/02—Coating starting from inorganic powder by application of pressure only
• • C—CHEMISTRY; METALLURGY
  • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
  • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
  • C23C24/00—Coating starting from inorganic powder
  • C23C24/02—Coating starting from inorganic powder by application of pressure only
  • C23C24/04—Impact or kinetic deposition of particles
• • C—CHEMISTRY; METALLURGY
  • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
  • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
  • C23C24/00—Coating starting from inorganic powder
  • C23C24/02—Coating starting from inorganic powder by application of pressure only
  • C23C24/06—Compressing powdered coating material, e.g. by milling
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M4/00—Electrodes
  • H01M4/02—Electrodes composed of, or comprising, active material
  • H01M4/04—Processes of manufacture in general
  • H01M4/0402—Methods of deposition of the material
  • H01M4/0404—Methods of deposition of the material by coating on electrode collectors
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M4/00—Electrodes
  • H01M4/02—Electrodes composed of, or comprising, active material
  • H01M4/04—Processes of manufacture in general
  • H01M4/0402—Methods of deposition of the material
  • H01M4/0416—Methods of deposition of the material involving impregnation with a solution, dispersion, paste or dry powder
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
  • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
  • B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
  • B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
  • B22F2007/042—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal characterised by the layer forming method

Definitions

• the invention relates to a device for coating, in particular dry coating, a carrier substrate with a powdery material according to claim 1.
• a film is produced by calendering a powder mixture and wound onto a roll in order to be fed as such into a further process in which it can be laminated onto a collector.
• the powder mixture is placed on a belt and guided into the nip of two rollers.
• KR 102359521 B1 discloses a device for dry coating a current collector web with an active material layer, wherein a first and a second roller are provided on each side of the web, between which an active material layer is formed, and wherein the respective active material layer is applied to the current collector web in a nip between the two second rollers.
• a first and a second device for adjusting the roller spacing are provided, by means of which the distances between the first and second rollers can be adjusted.
• the first and second devices comprise a mechanical cylinder driven by a servo motor.
• a third device is provided for adjusting the roller gap formed between the second rollers. This allows the thickness of the electrode to be easily controlled via the gap width.
• an air cylinder can also be provided between the second rollers, by means of which the distance is kept constant.
• DE 102008 009 341 A1 concerns a grinding, mixing, dispersing, homogenizing or the like of liquid to pasty masses in a roller train with several rollers, each mounted on both front sides in bearing holders, whereby the mass is conveyed successively from a first roller to a last, a removal roller, and is removed there and there by a scraper.
• Two outer rollers of three rollers can be changed in their distance or their position to a middle roller by pivoting the bearing holders.
• the front-side bearing holders of at least one of the rollers are designed to be adjustable independently of one another transversely to the roller axis by respective eccentric bearings in such a way that a position offset from the other roller can be set by opposing deflection of the eccentrics.
• the invention is based on the object of creating a device for coating, in particular dry coating, a carrier substrate with a powdery material.
• the device can reliably produce a coated carrier substrate with an active material layer that is as uniform and/or defined as possible.
• a carrier substrate with a powdery material that is particularly suitable for the invention, it has at least one first application unit that comprises a first roller and a second roller that form a first gap in the nip between their lateral surfaces that serves to form a film, through which powdery material can be conveyed in order to form a first dry film, and a roller that acts as a counter-pressure roller that forms a second gap with the second roller or with a further roller of the first application unit that follows directly or indirectly downstream of the second roller, viewed in the direction of the material flow. through which a carrier substrate to be coated can be guided and exposed to the dry film formed in the first gap and transported in particular via the second roller and optionally the further roller to the second gap.
• the first, the second and the roller acting as a counter-pressure roller are each mounted on both sides in frame walls of three different sub-frames, wherein the sub-frame carrying the second roller is arranged in a frame- or spatially fixed manner and the sub-frames carrying the first roller and the counter-pressure roller are each mounted in a positionally variable manner in a direction perpendicular to the axis of rotation of the second roller relative to the sub-frame of the second roller that is arranged in a frame- or spatially fixed manner - in particular along a preferably straight-line adjustment direction or adjustment movement - and in particular in such a way that a respective distance of the rotation axes of the first roller from the rotation axis of the second roller and of the counter-pressure roller from the rotation axis of the second roller or of the further roller downstream of the second roller can be varied and/or a respective setting force effective in the first gap between the lateral surfaces of the first and second rollers and in the second gap between the counter-pressure roller and the second roller or the further roller downstream of the
• the frame is made up of several parts and the adjustment is done by moving the frames, larger adjustment devices and/or several adjustment devices can be provided on each side of the frame, as opposed to adjusting individual bearings, since the attack does not take place on the bearing itself. For example, if the attack points are arranged in a favorable manner in the bearing or frame plane, the bending of pins caused by the force attack can be minimized.
• first and the second roller can be inclined relative to each other with respect to the relative course of their rotation axes and can be varied in their relative inclination by rotating the first or the second roller in the device by an actual or imaginary pivot axis is pivotally mounted, which runs perpendicular to the axis of rotation of the pivotable roller.
• the rotation axes which are inclined to one another are preferably located in two planes which are parallel to one another and/or the pivotable bearing is provided and/or designed such that the pivoting movement of the rotation axis takes place in a plane which is perpendicular to the adjustment direction for setting the distance and/or the setting force between the first or the second roller and/or perpendicular to the pivot axis, without this plane moving in the direction of the pivot axis as a result of the pivoting and/or without the pivot axis changing its position in space.
• the roller axes can be interlocked against each other without additional shear forces acting on the front bearings or even the risk of bearing damage due to inclination.
• one or more adjusting devices with a drive means are provided between two or two adjacent partial frames, which act on the partial frames with a respective active end and are designed in such a way that a tensile force can be introduced between the adjacent partial frames, causing a relative movement between the partial frames and/or an adjusting force between the rollers.
• the force acts precisely and only between these two rollers, and not via one of the two rollers onto a if necessary, another adjacent roller.
• an adjusting device with two acting ends that can be varied in distance from one another acts on two or each two adjacent sub-frames, the distance between which can be varied and/or the actuating force on one another, in such a way that a same plane - in particular an imaginary plane - running perpendicular to the axis of rotation of at least one of the rollers mounted on the two adjacent sub-frames intersects at least one attack surface formed in the area of the acting ends with the respective sub-frame in question as well as a respective effective support width of the rollers mounted in the two sub-frames, viewed in the axial direction.
• a dry film can be produced on both sides of the carrier substrate.
• application units with a respective laminating roller are provided on both sides of the substrate path, which form a two-sided application or laminating gap in a nip between their outer surfaces.
• the two laminating rollers forming the gap between them act as mutual counter-pressure rollers.
• the carrier substrate guided through these laminating rollers can thus be exposed on both sides to the dry film formed in the respective application unit.
• Fig. 1 is a schematic representation of a product to be manufactured
• Fig. 2 is a schematic diagram for the production and application of a dry film
• Fig. 3 shows an embodiment of a machine for producing a multi-layer product with a dry film applied to a carrier substrate with an application stage according to an embodiment of a first group of embodiments
• Fig. 4 is an enlarged view of the application stage of the first embodiment from Fig. 3;
• Fig. 5 shows an alternative embodiment of an embodiment of the first group of embodiments
• Fig. 6 shows a further alternative embodiment of the embodiment of a first group of embodiments
• Fig. 7 shows a further alternative embodiment of the embodiment of a first group of embodiments
• Fig. 8 is a schematic diagram of an embodiment of a second group of embodiments.
• Fig. 9 is a schematic diagram of a further embodiment of a second group of embodiments.
• Fig. 10 shows an embodiment of a machine for producing a multilayer product with a dry film applied to a carrier substrate with an application stage according to an embodiment of the second group of embodiments
• Fig. 11 is an enlarged view of the application stage from Fig. 10 with pairwise coupling of two rollers in a first embodiment
• Fig. 12 is an enlarged view of the application stage of Fig. 10 with pairwise coupling of two rollers in a second embodiment
• Fig. 13 a view from below with removal devices
• Fig. 14 is an oblique view of a product section with a slight lateral primer overhang
• Fig. 19 is a sectional view through a partial frame of a multi-part frame
• Fig. 20 is a schematic sectional view through a storage area of a sub-frame
• Fig. 21 is a sectional view through a partial frame with stop means for limiting the adjustment movement
• Fig. 22 a schematic diagram of two rollers with rotation axes inclined to each other;
• Fig. 23 is a front view of a partial frame with a bearing allowing pivoting.
• a product 001; 002 to be manufactured by a machine mentioned below can, for example, be formed by an intermediate product 002 that is still to be cut, e.g. in web form, e.g. a product strand 002 formed as an electrode strand 002, or by arc-shaped end products 001 that have already been cut in the machine, e.g. product sections 001 formed as electrode units 001, or electrodes 001 for short.
• a carrier substrate 006 preferably a carrier substrate web 006, e.g. a current collector substrate 006 formed by, for example, a current collector foil 006, a device 100; 100* for Coating, in short coating device 100; 100*, in particular for dry coating, a, in particular web-shaped, e.g.
• a dry film 003; 003' should, for example, have a thickness of 20 pm to 240 pm, preferably 40 pm to 100 pm, after application and pressing.
• An above-mentioned powder mixture 004; 004' in particular in the form of a dry powder, comprises - in particular for the production of electrode units 001 for lithium ion batteries or accumulators - for example more than ninety percent by weight of an active material such as one or more of the lithium compounds lithium iron phosphate, lithium manganese oxide, nickel-rich lithium nickel manganese cobalt oxide, lithium nickel cobalt aluminum oxide, lithium cobalt oxide, lithium manganese nickel oxide and/or lithium titanate, a few, e.g. three percent by weight of a conductive additive, e.g. graphite or so-called CNTs, i.e. multi-walled carbon nanotubes, and a few, e.g. two percent by weight of a plastic that acts as a binding agent in the subsequent powder composite, e.g. polytetrafluoroethylene (PTFE).
• an active material such as one or more of the lithium compounds lithium iron phosphate, lithium manganese oxide, nickel-
• the carrier substrate 006 simultaneously represents the current-conducting layer of the electrode unit 001 and is formed, for example, by an electrically conductive material in the form of a foil, fleece or fabric, e.g. a metal. It is, for example, particularly for the production of electrode units 001 for lithium-ion batteries or accumulators - made of aluminum or copper and/or has, for example, a thickness d006 of 5 to 16 pm.
• anode In the case of the production of an anode, it is made in particular of copper with, for example, a thickness d006 of, for example, in the range of 5 to 13 pm and in the case of the production of a cathode, it is made in particular of aluminum with, for example, a thickness d006 in the range of 7 to 16 pm.
• the carrier substrate 006 has, at least in the surface area to be coated with the dry film 003; 003', a surface coating with a bond-supporting or bond-inducing agent 007; 007', e.g. a binder 007; 007', a primer 007; 007' or an adhesive 007; 007'.
• a bond-supporting or bond-inducing agent 007; 007' e.g. a binder 007; 007', a primer 007; 007' or an adhesive 007; 007'.
• Such an agent 007; 007' can be formed by a thermoplastic or reactive binder or primer and can, for example, comprise a thermoplastic component and/or have a thickness d007 of only a few pm, e.g. at most 5 pm, in particular at most 3 pm.
• a thickness d003; d003' of the active material layer 003; 003' of the product 001; 002, i.e. of the electrode unit 001 or of the electrode strand 002, is, for example, at most 240 pm, in particular at most 150 pm, preferably at most 100 pm and/or is, for example, at least 20 pm, in particular at least 30 pm, preferably at least 40 pm.
• a total thickness of the product 001; 002 coated on both sides amounts to - if necessary after passing through a calendering process following the application or coating of the carrier substrate 006 with the dry film 003, 003' inline or in another machine - e.g. up to 500 pm, in particular up to 320 pm, preferably up to 220 pm and/or at least 50 pm, in particular at least 70 pm, preferably at least 90 pm.
• a density of the applied material 004, 004 is e.g. greater than 3000 kg/m 3 , preferably at least 3500 kg/m 3 .
• a machine for pure coating i.e.
• the intermediate product 002 leaving the coating may optionally have a lower density, but for example of at least 2000 kg/m 3 , preferably of at least 2500 kg/m 2 , in particular of at least 2900 kg/m 3 .
• the total thickness of the finished product 001; 002, optionally further compacted by at least one calendering process is for example up to 255 pm, in particular up to 165 pm, preferably up to 65 pm and/or at least 30 pm, in particular at least 40 pm, preferably at least 50 pm.
• the above-mentioned values for the total thickness and/or density of the end product 001 or of the intermediate product 002, which only needs to be cut crosswise, can be represented without subsequent calendering after the coating process.
• web-shaped carrier material 006 is preferably processed into an above-mentioned end or intermediate product which, for example, has a width b006 of at least 300 mm, advantageously at least 500 mm, in particular at least 550 mm, or even 600 mm and more, in an advantageous embodiment even up to 1,200 mm.
• the carrier material 006 is not coated with the dry film 003; 003' over its entire width, for example, but only up to a free edge region in which the surface of the metallically conductive carrier material 006 remains free and accessible - e.g. for connecting cables.
• Such a width b003 of the coating amounts, for example, to at least 200 mm, advantageously to at least 230 mm, or even to 300 mm and more.
• a first roller 102', in particular metering roller 102', and a second roller 103', in particular laminating roller 103' are preferably provided such that they form a first gap 104', in particular second film-forming gap 104', in the nip between their outer surfaces, through which the powder mixture 004' can be conveyed to form the second dry film 003'.
• a combined adjustment mechanism 112; 113; 112, 113 is provided, which allows optionally a position-based or force-based adjustment of the pair towards the counter-pressure roller 106; 106'; 103'; 103.
• the second roller 003' of the second applicator 101' or a roller of the second applicator 101' that interacts with the second roller 103' directly or indirectly via one or more further rollers form a common gap 107 that acts as a two-sided laminating gap 107 with the second or further roller 103 of the first applicator 101 that acts as a laminating roller 103 in a nip between their lateral surfaces, wherein the two laminating rollers 103; 103' that form the gap 107 between them act mutually as counterpressure rollers 103'; 103.
• the carrier substrate 006 can be guided between the latter and can be exposed, in particular on both sides, to the dry films 003', 003' formed via the first and second film formation gaps 104; 104'.
• Such an arrangement of two application units 101; 10T that work together for simultaneous application on both sides is also referred to below as a double application unit 101, 10T.
• the two planes run in a common horizontal plane or horizontally but vertically offset from each other (see e.g. Fig. 8).
• the two planes run in a common plane inclined to the horizontal or in two planes inclined to the horizontal but vertically offset from one another.
• the common plane or the two offset planes are inclined to the horizontal by an acute angle ß of 2° to 15°, in particular 3° to 10° (see, for example, Fig. 9).
• a first of the two laminating rollers 103 or another roller of a first of the two application units 101 acting as a laminating roller can be mounted with its rotation axis R103 in an operationally stationary manner, although possibly adjustable, while the second of the laminating rollers 103' or another roller acting as a second laminating roller can be mounted with the associated metering roller 102; 102' via a common bearing mechanism 112; 112' and/or a common actuator 109; 109';111;111' in pairs in one direction with at least one movement component towards and/or away from the associated counter-pressure roller 106; 106', and in addition to this, the respective metering rollers 102; 102' are mounted via bearing mechanisms 112; 112';113;113' and/or actuators 109; 109';111;111' in one direction with at least one movement component towards and/or away from the associated laminating roller 103
• rollers between the metering roller 102; 102' and the roller acting as a laminating roller these are also connected via the common bearing mechanism 112; 112' and/or the common actuator 109; 109';111; 11 T can be adjusted together in one direction with at least one movement component towards and/or away from the associated counter-pressure roller 106; 106'.
• a position-based actuator 109; 109' is provided in the above sense and/or in an above-mentioned embodiment for setting the respective dosing roller 102; 102'.
• a force-based actuator 111; 111 can be provided for force-based setting in the above sense and/or in an above-mentioned embodiment.
• the metering roller 102; 102' can be adjusted in a force-based manner and the roller pair 103, 102; 103', 102 can be adjusted in a position-based manner.
• the above is also to be transferred and applied in the respective correspondence.
• both rollers 102; 102'; 106; 106 can be adjusted based on force and in a fourth embodiment both rollers 102; 102'; 106; 106 can be adjusted based on position.
• the above is to be transferred and applied in the respective correspondence.
• a combined adjusting mechanism 112; 113; 112';113' is provided, which optionally allows a position-based adjustment of the pair against the laminating roller 103'; 103 acting as counter-pressure roller 103'; 103 via a position-based actuator 109; 109' and a force-based adjustment via a force-based actuator 111; 111 '.
• a position-based actuator 109; 109' in the above sense and/or in an above-mentioned embodiment is provided for setting the first gap 104; 104' of the respective dosing roller 102; 102', and a force-based actuator 111; 111 for force-based setting in the above sense is provided for setting the second gap 107 or setting the counter-pressure roller 103', wherein the two dosing rollers 102; 102' and the counter-pressure roller 103; 103' to be set can each be adjusted individually, i.e. without being coupled in pairs.
• a position-based actuator 109; 109' is provided for setting at least the dosing roller 102; 102' and/or for setting the second gap 107 or setting the counter-pressure roller 103', a combined setting mechanism 112; 113; 112'; 113' in the above sense and/or in the above embodiment is provided.
• the two jointly adjustable rollers 102; 103; 102; 102' can be mounted on both sides in supports, in particular in side parts of a base frame, which in turn are mounted so as to be pivotable about a pivot axis parallel to the rotation axis of the first, stationary laminating roller 103; 103' (see e.g. Fig. 12).
• At least one further roller can be provided which acts as a laminating roller and forms the laminating gap 107; 107' with the counter-pressure roller 106; 103'.
• a removal device 114; 114' in particular a cleaning doctor blade 114; 114', is provided in the respective application unit 101; 101', which is surrounded by, for example, a material removal device 127; 127' and can be optionally placed on and off the outer surface of the first roller 102; 102' for cleaning purposes. This extends, for example, at least over the width of the roller outer surface effective for film formation.
• the material removal 127; 127' in the respective application unit 101; 10T comprises, viewed axially parallel to the second roller 103; 103', two removal devices 116; 116', in particular side edge doctor blades 116; 116', which can be adjusted axially parallel and positioned or positioned against the second roller 103; 103' and by means of which a dry film 003; 003' conveyed over the second roller 103; 103' can be removed in the region of its side edges and, for example, deposited in a collecting device 117; 117'.
• This removal serves, for example, as so-called edge trimming to obtain a straight edge and/or a desired width b003; b003' of the dry film 003; 003.
• the collected amount can, for example, B. be fed back into the supply of the powder mixture 004; 004'.
• Such a removal device 116; 116' can also be used to remove an edge strip 008; 008', which is used, for example, in determining a density of the material layer 003; 003'.
• a second roller 103; 103', a removal device 129; 129', in particular a cleaning blade 129; 129', which can be switched on and off, can be provided, which extends, for example, at least over the width of the roller shell surface effective for film formation, and optionally a suction or collecting device (not shown).
• an above-mentioned powder supply device 700; 700' for supplying a powdery material is provided, wherein in the region of the gusset above the gap 104; 104', i.e. in the space formed above the gap 194, 104' between the lateral surfaces of the two rollers 102; 103; 102; 103', which in profile is in particular wedge-like or triangular, preferably a filling and/or supply space 126 with a width extending in the axial direction of the second roller 103; 103' is formed and/or provided.
• two boundaries 124 are provided in the application unit 101; 101 'above the first gap 104; 104', which are spaced apart from one another axially parallel to the first roller 102; 102' and can be adjusted, for example, in the axially parallel direction, which each seal off an area of the upper gusset formed between the jacket surfaces of the first and second rollers 102; 103; 102';103' towards both end faces of the application unit 101; 101 ' and thereby form an intermediate filling and/or storage space 126, preferably variable in width, for receiving the powder mixture 004; 004'.
• the bearing mechanism 112; 112'; 113; 113' and/or the actuator 109; 109'; 111; 111' are advantageously designed to set and/or apply a line force of, for example, at least 500 N/mm, advantageously at least 700 N/mm, preferably a line force of between 500 N/mm and 3000 N/mm, in the first gap 104; 104', at least in the region of its width contributing to film formation, between the rollers 102; 102'; 102; 103' forming the first gap 104; 104'.
• any of the two rollers 102; 102'; 103; 103'; 106; 106' involved in the gap in question 104; 104'; 107; 107' can in principle be adjusted in this way by the corresponding combined actuator 109; 109'; 111; 111' and/or connected to corresponding combined adjusting mechanisms 112; 112'; 113; 113' must be mounted accordingly.
• a drive means 133 which acts on the sub-frame 128.3; 128.4 carrying the first roller 102; 102' and on the sub-frame 128.1; 128.2 carrying the second roller 103; 103'; 106 and is operable or operated in a force-based manner
• a cylinder-piston system 133 which can be acted upon by pressurized fluid, in particular hydraulically, is provided as drive means 133, as well as at least one cylinder-piston system 133 which can be acted upon by pressurized fluid, in particular hydraulically, and which is effective and - e.g. B.
• actuators Actuating and/or driving means, actuator
• Drive means rotary, drive motor, speed-adjustable or controllable
• Drive means rotary, drive motor, speed-adjustable or controllable
• Substrate guide element measuring roller, web tension measuring roller Substrate path section, conveyor section, first, upstream, feed side
• Pretreatment station cleaning station, deionization station
• Measuring station (carrier substrate thickness)
• Pretreatment station application station
• Pretreatment station thermal, tempering station, infrared radiation source
• Substrate path section conveyor section, second, downstream, discharge side
• Cooling device * Cooling device (alternative or additional)
• Measuring station (product strand thickness)
• Substrate guide element measuring roller
• Defect marking 500 Product holder, product winder, roll changer 501
• Dancer roller 504 Cooling device, substrate guide element, roller, cooling roller 504.1 Cooling roller
• Cooling roller 505 506 Traction mechanism 507 Substrate guide element, measuring roller, web tension measuring roller 508 Sensor, temperature sensor
• 600 Calendering unit, unit, calendering unit 600* Calendering unit (alternatively or additionally), unit, calendering unit 601 Roll, calender roll, first, heated 601* Roll, calender roll, first (alternatively or additionally) 602 Roll, calender roll, second, heated 602* Roll, calender roll, second (alternatively or additionally)
• powder feeding device 700' Device for feeding powdery material powder feeding device b Width b151 Support width d Thickness, layer thickness b003 Width (003; 003') b006 Width (006) b008 Width (008) d003 Strength, layer thickness (003) d003' Strength, layer thickness (003') d006 Strength (006) d008 Strength, layer thickness (008)

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• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Mechanical Engineering (AREA)
• Materials Engineering (AREA)
• General Chemical & Material Sciences (AREA)
• Electrochemistry (AREA)
• Composite Materials (AREA)
• Organic Chemistry (AREA)
• Metallurgy (AREA)
• Dispersion Chemistry (AREA)
• Coating Apparatus (AREA)
• Battery Electrode And Active Subsutance (AREA)
• Powder Metallurgy (AREA)

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• 2023
  • 2023-09-01 JP JP2025519886A patent/JP2025536239A/ja active Pending
  • 2023-09-01 US US19/117,119 patent/US20260011710A1/en active Pending
  • 2023-09-01 CN CN202380070332.4A patent/CN119947850A/zh active Pending
  • 2023-09-01 KR KR1020257014274A patent/KR20250069683A/ko active Pending
  • 2023-09-01 EP EP23764878.7A patent/EP4577365A1/de active Pending
  • 2023-10-24 US US19/117,199 patent/US20260009140A1/en active Pending
  • 2023-10-24 CN CN202380070815.4A patent/CN119998066A/zh active Pending
  • 2023-10-24 WO PCT/EP2023/079568 patent/WO2024149484A1/de not_active Ceased
  • 2023-10-24 JP JP2025519888A patent/JP2025533142A/ja active Pending
  • 2023-10-24 EP EP23797744.2A patent/EP4577367A1/de active Pending
  • 2023-10-24 KR KR1020257014284A patent/KR20250073477A/ko active Pending

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