EP3405347A1 - Procédé et dispositif de production d'un composite de matières et son utilisation - Google Patents

Procédé et dispositif de production d'un composite de matières et son utilisation

Info

Publication number
EP3405347A1
EP3405347A1 EP17701272.1A EP17701272A EP3405347A1 EP 3405347 A1 EP3405347 A1 EP 3405347A1 EP 17701272 A EP17701272 A EP 17701272A EP 3405347 A1 EP3405347 A1 EP 3405347A1
Authority
EP
European Patent Office
Prior art keywords
laminating
station
composite material
metal
calendering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17701272.1A
Other languages
German (de)
English (en)
Inventor
Gerold Raspudic
Klemens Heermann
Stella JANSSEN
Markus RUDACK
Josef Schneider
Klaus-Peter Koch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Steel Europe AG
ThyssenKrupp AG
Original Assignee
ThyssenKrupp Steel Europe AG
ThyssenKrupp AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ThyssenKrupp Steel Europe AG, ThyssenKrupp AG filed Critical ThyssenKrupp Steel Europe AG
Publication of EP3405347A1 publication Critical patent/EP3405347A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
    • B32B37/20—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of continuous webs only
    • B32B37/203—One or more of the layers being plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/082—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising vinyl resins; comprising acrylic resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/088—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/06—Coating on the layer surface on metal layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B32B2255/205—Metallic coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/24—Organic non-macromolecular coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/58—Cuttability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • B32B2307/734—Dimensional stability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/752—Corrosion inhibitor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2509/00—Household appliances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/08—Cars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/12—Ships
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/18—Aircraft

Definitions

  • the invention relates to a method for producing a composite material comprising at least two layers of a metallic material and at least one layer of a polymer matrix material arranged between the two layers comprising the following steps:
  • the invention relates to a device for producing a composite material comprising at least two layers of a metallic material and comprising at least one layer arranged between the two layers of a polymer matrix material
  • the invention relates to a use of the composite material.
  • FIG. 3 shows that a first material in the form of a metal strip wound on a coil, a second material in the form of a metal strip wound on a coil and a third material in the form of a coil wound on a polymer film are provided, which are unwound and
  • Metal strips and the plastic film are preheated to at least one preheating temperature and fed continuously to a laminating unit (double belt press) to produce a composite material under pressure and / or temperature. Subsequently, the composite material is fed continuously at least one cooling unit and / or a post-processing unit and finally cut to sheets or wound into a coil.
  • a laminating unit double belt press
  • Adhesive properties between the polymer matrix material and the / the metallic material (s) within the sandwich material is proposed to apply a primer, which can be applied in the coating process, to the metal sheet. Accordingly, metal bands are provided for the production of composite materials, which are already coated with a primer / primer layer.
  • the object is achieved in accordance with a method according to the invention in that the first and the second metal strip pass through at least one pretreatment unit between the unwinding and the preheating units, the first metal strip at least on one side in a first pretreatment unit in one
  • Conditioning station and the second metal strip are conditioned at least one side in a second pretreatment unit in a conditioning station and the respective conditioned sides of the metal strips in the laminating laminating calendering unit are brought into contact with the polymer film and bonded together.
  • the metal strips In the method according to the invention, there is no longer any need for the metal strips to be conditioned separately in upstream processes, in which case not only the adhesion properties in the composite material but also the forming and sliding properties of the composite material can be positively influenced.
  • the conditioning of the metal strips in the continuous laminating-laminating-calendering process for the production of material composites the production process can still be compared to the known state of the art
  • the metal strips are coated in the conditioning stations by means of application, in particular by means of spraying, by knife coating or preferably by means of coating with an adhesion promoter and / or adhesive system and / or conditioning agent and / or chemically and / or physically, preferably by means of plasma , activated.
  • Adhesion promoter and / or adhesive system and / or conditioning agent is particularly preferred because the coating at low tolerances and reproducible
  • the coating thickness of the applied wet film is between 0.001 and 0.1 mm, in particular between 0.001 and 0.05 mm, preferably between 0.001 and 0.03 mm, particularly preferably between 0.001 and 0.02 mm.
  • Metal bands is preferably carried out by means of plasma for chemical, mechanical and / or physical adjustment of the adhesion as well as the forming and / or sliding properties.
  • the metal strips pass through a drying station after the conditioning station.
  • the metal strip passes through at least one drying station, in which the preferably usually applied in liquid form adhesion promoter and / or the adhesive system and / or Conditioner is dried at a temperature between room temperature and preferably below the decomposition temperature of the adhesion promoter used and / or adhesive system and / or conditioning to ensure that the applied adhesion promoter and / or the adhesive system and / or conditioning agent remains on the metal strip, which then the other
  • Process steps can be supplied safely.
  • a drying can be omitted, for example, in a plasma treatment.
  • the metal strips in the pretreatment units in front of the conditioning station pass through at least one directional, one cutting and / or one cleaning station.
  • the metal strips In the cutting station, the metal strips can be trimmed continuously along their longitudinal edges in order to be able to supply the further process steps with a metal strip having a defined width and / or defined strip edge design.
  • the metal bands In the cleaning station, the metal bands, in particular the
  • the composite material is selectively cooled after the lamination-laminating calender unit in the cooling unit in at least one cooling station, in particular in two cooling stations.
  • the cooling can take place actively via suitable means or passively, for example via a free air gap.
  • the composite material in the post-processing unit passes through at least one cutting, one inspection, one inspection and / or one coating station.
  • the material composite can be trimmed continuously along its longitudinal edges in order to be able to impart to the composite material a defined width and / or a defined edge orientation.
  • the stresses generated in the material combination by the stresses generated in the process steps under the action of temperature and / or pressure can be compensated or specifically directed by stretch bend application in order to be able to impart a high dimensional stability and flatness and / or flatness to the material composite .
  • the material composite can be checked for surface, flatness, flatness and / or geometry errors in order to be able to automatically classify and document them, for example, when a corresponding error occurs.
  • the composite material for example, with a
  • Protective layer a primer layer, a lacquer layer and / or a
  • Forming agent layer preferably coated with a corrosion protection oil to provide temporary corrosion protection, at least until
  • a continuous guidance of the first and / or the second metal strip takes place via
  • Laminating calendering unit preferably such that the conditioned, preferably the side of the metal strip coated with an adhesion promoter and / or an adhesive system and / or conditioning agent does not come into contact with the means for guiding, thereby contaminating the means by possible adherence of conditioning constituents as well as contamination or damage, for example by partial detachment of the primer and / or adhesive system and / or conditioning agent, the conditioned side of the
  • the metal strips and the polymer film of the laminating / laminating calendering unit which has a laminating / laminating calendering station with a pair of laminating rollers forming a laminating nip, are supplied in such a way that the composite material is laminated in a laminating laminate Calendering station is generated.
  • the metal strips and the polymer film of the laminating lamination-calendering unit comprising a first laminating lamination calendering station with a first laminating roller pair forming a laminating nip and a second laminating lamination calendering station a second laminating roller pair forming a laminating nip, fed in such a way that in the first laminating lamination calendering station the second
  • Metal strip is connected to the polymer film to form a metal-polymer composite and in the second laminating laminating calendering station of the metal-polymer composite is connected to the first metal strip to a composite material, wherein the
  • Material composite is produced in two laminating lamination calendering stations.
  • Preferred polymers may be, for example, systems based on PA, PE, PP and / or mixtures thereof and
  • Polyester and / or polyacrylates If a steel material is used, it is coated, for example, inorganic and / or organic coated.
  • a metallic corrosion protection layer is provided as a coating, in particular based on preferably zinc, and / or mixtures with aluminum and / or magnesium, which was applied to the steel material in the hot-dip or particularly preferably in the electrolytic deposition process.
  • the material thickness of the first and / or the second metal strip is at most 1.5 mm, in particular at most 1.0 mm, preferably at most 0.5 mm and particularly preferably at most 0.35 mm and the material thickness of the polymer film is at most 20.0 mm, in particular at most 15.0 mm, preferably at most 10.0 mm, particularly preferably at most 5.0 mm.
  • the metal strips each have a material thickness of at least 0.05 mm, preferably at least 0.1 mm, and the polymer film has a material thickness of at least 0.02 mm, in particular at least 0.05 mm, preferably at least 0.1 mm.
  • the object is achieved with a device in that the device comprises means for pretreating at least the first and the second metal strip, wherein the means for pretreatment a first
  • Pre-treatment unit with a first conditioning station for at least one-sided conditioning of the first metal strip and a second
  • Pre-treatment unit comprising a conditioning station for at least one-sided conditioning of the second metal strip.
  • Integrated material composites so that the production process more cost-effective design and can be further optimized and in particular the degree of automation can be increased.
  • the conditioning stations comprise means for applying a coating, in particular means for spraying, knife coating or preferably a coater for coating a bonding agent and / or adhesive system and / or conditioning agent and / or means for chemical and / or physical activation, preferably by means of plasma.
  • a coating in particular means for spraying, knife coating or preferably a coater for coating a bonding agent and / or adhesive system and / or conditioning agent and / or means for chemical and / or physical activation, preferably by means of plasma.
  • Coaters can be economical and reperceable to at least one-sided Coating of metal strips can be used.
  • plasma devices which, for example, operate at atmospheric pressure and can activate the metal strips reliably and reproducibly at least one-sidedly.
  • the device for the metal strips each comprise at least one drying station.
  • the drying station which in particular seen in the process direction behind the
  • Conditioning station of the metal strips comprises at least one heating device for drying the preferably applied in the conditioning station in liquid form adhesion promoter and / or adhesive system and / or conditioning, for example, a circulating air dryer.
  • the pretreatment units each comprise at least one drawing, cutting and / or
  • the straightening station comprises at least one means for straightening the coiled-off metal strip, preferably a straightening machine.
  • the cutting station comprises at least one means for trimming the longitudinal edges of the metal strip, for example a trimming scissors.
  • the cleaning station comprises at least one means for cleaning and / or degreasing the metal strip, for example a brush for mechanical cleaning and / or preferably a system for chemical cleaning with a device for applying or immersing the metal strip with or in a solution of chemicals, a flushing device for rinsing the metal strip afflicted with the solution and optionally a drying device for drying the rinsed metal strip.
  • the cooling unit comprises at least one cooling station and / or the post-processing unit at least one cutting, a direction, an inspection and / or a
  • the cooling station comprises at least one (active) means for cooling the composite material, for example an air cooler. Alternatively, a passive cooling, for example, take place via a free cooling section.
  • the cutting station comprises at least one means for trimming the longitudinal edges of the Composite material, for example, a trimming scissors.
  • the straightening station comprises at least one means for smoothing the composite material, for example a straightening machine.
  • the inspection station comprises at least one means for testing the composite material in terms of surface, flatness, flatness and / or
  • Geometry error for example a measuring system with an evaluation unit.
  • Coating station comprises at least one means for coating the
  • Composite material for example, an electrostatic coating system.
  • the laminating / laminating calendering unit comprises at least one laminating / laminating calendering station, preferably two laminating laminating / calendering stations.
  • the at least first laminating lamination calendering station comprises at least one means for
  • each individual station comprises at least one means for laminating-laminating-calendering, preferably each one co-rotating
  • Laminating rollers The construction of Kaschierwalzencrus is compact and relatively easy to use and compared to the use of double belt presses cheaper.
  • the invention relates to a use of a material composite produced according to at least one embodiment of the method according to the invention for producing a component, in particular for vehicle construction, preferably as a body part of a vehicle, in particular as part of a
  • Body component or as a chassis part of a vehicle, in particular as part of a chassis component, particularly preferred for passenger cars,
  • the composite material produced according to the invention can be used as a component for the ship, aircraft, plant, mechanical engineering, household goods or construction sector.
  • the invention will be explained in more detail with reference to an illustrative drawing. Identical parts are provided with the same reference numerals. It shows
  • Figure 1 a first embodiment of an apparatus for producing a
  • Figure 2 a second embodiment of an apparatus for producing a
  • Figure 3 a third embodiment of an apparatus for producing a
  • Figure 4 a fourth embodiment of an apparatus for producing a
  • FIG. 1) shows a schematic representation of a first exemplary embodiment of a device (1) according to the invention for producing a composite material (2).
  • the composite material (2) has at least two layers of a metallic material and at least one layer of a polymer matrix material arranged between the two metallic layers.
  • Aluminum, magnesium or steel material are suitable as first and / or second metal strip (3, 4) and a polymer matrix material based on thermosetting or thermoplastic, for example, also filled and / or reinforced, as a polymer film (5) are used.
  • Preferred polymers are, for example, systems based on PA, PE, PP and / or mixtures thereof and also polyesters and / or polyacrylates.
  • a coated steel material is used with a zinc-based coating which is, for example, electrolytically coated.
  • a combination of different metallic materials is conceivable.
  • a first material in the form of a wound on a collar first metal strip (3), a second material in the form of a wound on a collar second metal strip (4) and a third material in the form of a coiled on a coil polymer film (5) are provided and the Production process via means for unwinding (6, 7, 8) of a bundle wound first and second metal strip (3, 4) and wound on a bundle polymer film (5) continuously to preheating with means for preheating (9, 10, 11) of the metal strips (3, 4) and the polymer film (5) fed.
  • the process direction is indicated by an arrow.
  • the preheating units (9, 10, 11) comprise means, for example inductor, conductor convector and / or infrared / laser / LED radiators and are in particular arranged within an enclosure, which then act as a continuous furnace.
  • other heating systems are possible, for example with recirculation-operated
  • the preheating of the metal strips (3, 4) takes place, for example, in continuous furnaces (9, 10) for at least one preheating temperature, which depending on the nature of the metallic material used between room temperature and
  • Decay temperature of the coating in particular between 150 ° C and 275 ° C may be and the preheating of the polymer film (5), for example, in a
  • Preheating for example, in a mixture of PE and PA between room temperature and 150 ° C, in particular between room temperature and 125 ° C, preferably between room temperature and 100 ° C, to a sufficient temperature for the subsequent lamination laminating calendering step
  • the means for laminating the metal strips (3, 4) with the polymer film (5) to produce a composite material (2) under pressure and / or temperature comprise at least one laminating lamination calendering station (12.1) with a laminating gap (12.12). forming laminating roller pair (12.11).
  • the laminating roller pair (12.11) which can be driven by means not shown, receives the preheated metal strips (3, 4) and the preheated polymer film (5) fed between the metal strips (3, 4) and laminates or joins them to form a composite material ( 2).
  • the clear width of the laminating gap (12.12) during the laminating-laminating-calendering process corresponds at most to the sum of the respective thicknesses of the metal strips (3, 4) and the polymer film (5) in the delivery state, preferably the inside width is lower to a defined Apply pressure to the composite material to be produced for laminating, laminating and calendering.
  • preheating the metal strips (3, 4) to at least one preheating temperature, in particular for activating the conditioning, preferably of the adhesion promoter and / or adhesive system and / or conditioning agent, and preheating the polymer film (5) to at least one preheating temperature, in particular for activation Become the required
  • the composite material (2) in the laminating lamination calender Station (12) is generated. If, for example, the required temperatures, depending on the nature of the tapes and films to be joined, can not be adjusted by the preheating units, the laminating roller pair can have tempering means, not shown here, in order to be able to provide the required heat / temperature.
  • Composite material (2) continuously supplied to a cooling unit (13), which at least one cooling station (13.1) with at least one means for cooling the composite material (2), for example an air cooler, which
  • Composite material (2) cools such that in the further process steps
  • the cooling unit may also be designed as a free air gap.
  • the composite material (2) leaves the cooling unit (13) at a temperature below 100 ° C.
  • drivers should be considered in order to ensure a continuous process can.
  • at least the laminating lamination calendering station (12.1) be designed, which, as already described above, an actively driven Kaschierwalzencru (12.11).
  • the means for guiding are provided with the reference numeral (27), in particular for deflecting the metal bands (3, 4), wherein as a further means for guiding the previously described units (6, 7, 8, 12) can be considered.
  • the cooled composite material (2) is continuously fed either to a means for cutting (14) of the composite material (2) into sheets, such as a drum shears, or a means for coiling (15) of the composite material (2) into a collar.
  • the first and the second metal strip (3, 4) pass through at least one each between the uncoiling and the preheating units (9, 10) in order to make the production of material composites (2) even more cost-effective and to further optimize and in particular to increase the degree of automation Pre-treatment unit (16, 17), wherein the first metal strip (3) at least one side in a first pretreatment unit (16) in a conditioning station (16.1) and the second metal strip (4) at least one side in a second pretreatment unit (17) in a conditioning station (17.1 ) are conditioned and the respective conditioned sides of the metal strips in the laminating unit (12) with the
  • Plastic film (5) are brought into contact and connected to each other.
  • Conditioning stations (16.1, 17.1) comprise means for applying a
  • the at least one-sided coating (16.11, 17.11) of the metal strips (3, 4) particularly preferably by means of coil coating with a bonding agent and / or adhesive system and / or
  • the coating thickness of the applied wet film is between 0.001 and 0.1 mm, in particular between 0.001 and 0.05 mm, preferably between 0.001 and 0.03 mm, particularly preferably between 0.001 and 0.02 mm.
  • the alternative or cumulative at least one-sided activation of the metal strips (3, 4) is preferably carried out by means of plasma for chemical, mechanical and / or physical adjustment of the adhesion as well as the forming and / or sliding properties of the composite material (2).
  • Figure 2 shows a second embodiment of an inventive device () for producing a composite material (2) in a schematic view.
  • the individual stations of the device (1) of the first embodiment can also be found in the second embodiment, but with the difference that the metal strips (3, 4) in the pretreatment units (16, 17) before
  • Conditioning station (16.1, 17.1) in each case at least one straightening station (20, 21), which compensates for the stresses contained in the metal strip (3, 4), which can lead to a rippling in the unwound state, by stretch bending application can be, so that the further process steps, a flat metal strip (3, 4) can be supplied.
  • the metal bands (3, 4) each pass through an intersection station (22, 23) in which the metal bands (3, 4) are trimmed continuously along their longitudinal edges in order to produce a metal band (3, 3) for the further process steps. 4) with a defined width and / or a defined edge alignment.
  • the metal strips (3, 4) each pass through a cleaning station (24, 25) in which the metal strips (3, 4), in particular the surfaces, clean and / or degrease the metal strips (3, 4) in order to be able to provide at least one clean surface for the activation and / or coating of the metal strips (3, 4) in the conditioning station (16.1, 17.1).
  • the metal strips (3, 4) each pass through at least one drying station (18, 19), in which preferably usually applied in liquid form adhesion promoter and / or the adhesive system and / or
  • the pre-heated metal strips (3, 4) and the preheated plastic foil (5) are continuously fed to a laminating laminating calendering unit (12 ') for producing a composite material (2).
  • the laminating / laminating calendering unit (12 ') comprises at least one laminating lamination calendering station (12'.1) with a pair of laminating rollers (12'.11) forming a laminating nip (12'.12), which comprises the
  • preheated metal strips (3, 4) and the between the metal strips (3, 4) supplied preheated polymer film (5) receives and conceals them such that the metal strips (3, 4) the metallic outer layers and the polymer film (5)
  • the laminating laminating calendering unit (12 ') further comprises at least one means for
  • Preheat temperature of the polymer film (5) in particular between 100 ° C and 300 ° C may be to the core layer between the metallic outer layers
  • Composite material (2) is then continuously at least one cooling unit (13), which a first cooling station (13.1), for example, an air cooler, in which the composite material (2) is cooled selectively to a first temperature, and a second cooling station (13.2), for example an air cooler, in which the composite material (2) is further cooled specifically to a second temperature, which is lower than the first, comprises.
  • a first cooling station (13.1) for example, an air cooler, in which the composite material (2) is cooled selectively to a first temperature
  • a second cooling station (13.2) for example an air cooler, in which the composite material (2) is further cooled specifically to a second temperature, which is lower than the first
  • Post-processing steps are supplied, in particular to ensure that further subsequent stations are not thermally stressed.
  • the cooled composite material (2) is fed to a post-processing unit (26) comprising at least one cutting station (26.1) with at least one means for trimming the longitudinal edges of the composite material (2), for example a trimming scissors, a straightening station (26.2) with at least one smoothing means the composite material (2), for example a straightening machine, an inspection station (26.3) with at least one means for testing the composite material (2) with respect to surface,
  • Flatness, flatness and / or geometry errors for example a measuring system with an evaluation unit, a coating station (26.4) with at least one means for coating the composite material (2), for example an electrostatic
  • the composite material (2) After passing through the post-processing unit (26), the composite material (2) can either be tabulated into sheets or wound up into a bundle.
  • FIG. 3 shows a third embodiment of a device (1 ") according to the invention for producing a composite material (2) in a schematic view, also in this embodiment, the individual stations of the first and the second embodiment can be found again and it is therefore only on the
  • the laminating calendering unit (12 ) includes, in addition to the already in the second
  • the preheated second metal strip (4) and the preheated polymer film (5) are fed to a first laminating lamination calendering station (12 ".1) which comprises a first pair of laminating rollers (12" .11) forming a laminating nip (12 ".12).
  • the metal-polymer composite (2 ') passes through after the first laminating a
  • Nachracermstation (12 ".33) for reheating or heating of the metal-polymer composite (2 ') to at least one heating temperature, which is higher than the preheating temperature of the polymer film (5), in preparation for a second laminating laminating calendering - Polymer composite (2 ') and the preheated first metal strip (3) are a second laminating laminating calendering station (12 ".2), which has a second laminating roller pair (12" .21) forming a laminating gap (12 ".22) , fed continuously and are laminated to a composite material (2) or connected
  • Composite material (2) is produced in two laminating lamination calendering stations (12 “.1, 12” .2).
  • the Nachissermstationen (12 “.31, 12” .32) and Nachkaschierstationen (12 “.41, 12” .42) can be omitted if necessary.
  • FIG. 4 A fourth exemplary embodiment of a device (1 "') according to the invention is shown in Figure 4. Only a part of the device (1"') is shown which differs from the previously described embodiments in that, in particular, the first metal strip (3), which in the course of producing the composite material (2) forms the upper metallic outer layer, between the
  • Unwinding and the preheating unit (9) passes through a pretreatment unit (16) in which the metal strip (3) is conditioned at least on one side in a conditioning station (16.1), preferably coated with an adhesion promoter and / or adhesive system and / or conditioning substance, the
  • Conditioned cloth is continuously fed, the metal strip (3) is heated in the preheating unit (9) and then fed to a laminating laminating calendering unit (12 "') comprising at least one laminating lamination calendering station ( 12 "'. 1).
  • a continuous guidance of the metal strip (3) via corresponding means (27) takes place at least between the conditioning station (16.1) and the laminating-laminating calendering unit (12 "') such that the
  • Conditioned, preferably coated with a primer and / or adhesive system and / or conditioning fabric side (16.11) of the metal strip (3) does not come into contact with the means for guiding (27), thereby contamination of the means (27) by a possible Adherence of conditioning components as well as contamination or damage, for example by partial detachment of the bonding agent and / or adhesive system and / or conditioning, the conditioned side (16.11) of the metal strip (3) exclude.
  • the reference symbol (28) symbolizes a separating / threading station which comprises means for completely severing the metal strip (3) and means for threading the separated metal strip (3). Among others, at the separating / threading station
  • Auxiliary memory (buffer) and / or handling systems may be provided.
  • Conditioning preferably the coated adhesion promoter and / or the coated adhesive system and / or the coated conditioning agent by means of dryers (18) suitably dried or dried and initially wound on a means for coiling (29), shown here in dashes.
  • dryers suitably dried or dried and initially wound on a means for coiling (29), shown here in dashes.
  • Suitably dried means that the layers do not bond with one another during coiling or do not adhere or are damaged. In this phase, no preheating takes place in the preheating unit (9).
  • the laminating / laminating calendering unit (12 "') can be a laminating laminating calendering station (12"'. 1) with a laminating gap (12 "'. 12)
  • the invention is not limited to the embodiments, but may also include further embodiments.
  • the inventive concept is not limited to the embodiments, but may also include further embodiments.
  • the inventive concept is not limited to the embodiments, but may also include further embodiments.
  • the inventive concept is not limited to the embodiments, but may also include further embodiments.
  • the inventive concept is not limited to the embodiments, but may also include further embodiments.
  • the inventive concept is not limited to the embodiments, but may also include further embodiments.
  • the layers for producing a composite material are not limited to three, but the layer structure is arbitrary. , 1 ', 1 ", V" device

Landscapes

  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un procédé et un dispositif de production d'un composite de matières (2) comprenant au moins deux couches (3, 4) d'une matière métallique et au moins une couche de matière matricielle polymère (5) disposée entre les deux couches. Le procédé comprend les étapes suivantes consistant à : produire deux bobines de métal (6,7) et une bobine (8) de film de polymère, dérouler les bobines et amener en continu les bandes métalliques (3, 4) et le film de polymère (5) à une unité de préchauffage respective, préchauffer les bandes métalliques (3, 4) et le film de polymère (5) dans les unités de préchauffage (9, 10, 11) et les amener en continu à une unité de calandrage, laminage et stratification (12) pour produire un composite de matières à une certaine pression et/ou une certaine température, puis amener le composite (2) à au moins une unité de refroidissement (13) et/ou à au moins une unité de post-traitement (14) et enfin découper le composite de matières en tôles ou enrouler le composite de matières pour former une bobine. Les première et seconde bandes métalliques (3, 4) passent chacune, entre le déroulement et les unités de préchauffage (9, 10, 11), par au moins une unité de prétraitement dans une station de conditionnement (16.1, 17.1) et les côtés conditionnés respectifs des bandes métalliques (3, 4) sont mis en contact avec le film polymère (5) et reliés entre eux dans l'unité de calandrage, laminage et stratification (12).
EP17701272.1A 2016-01-20 2017-01-04 Procédé et dispositif de production d'un composite de matières et son utilisation Withdrawn EP3405347A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016200667.3A DE102016200667A1 (de) 2016-01-20 2016-01-20 Verfahren und Vorrichtung zum Herstellen eines Werkstoffverbundes sowie dessen Verwendung
PCT/EP2017/050107 WO2017125261A1 (fr) 2016-01-20 2017-01-04 Procédé et dispositif de production d'un composite de matières et son utilisation

Publications (1)

Publication Number Publication Date
EP3405347A1 true EP3405347A1 (fr) 2018-11-28

Family

ID=57882051

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17701272.1A Withdrawn EP3405347A1 (fr) 2016-01-20 2017-01-04 Procédé et dispositif de production d'un composite de matières et son utilisation

Country Status (4)

Country Link
EP (1) EP3405347A1 (fr)
CN (1) CN108541236B (fr)
DE (1) DE102016200667A1 (fr)
WO (1) WO2017125261A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111234722B (zh) * 2020-03-25 2021-10-01 南通康尔乐复合材料有限公司 一种双层金属塑料复合膜导电胶带、制造方法及其涂布机
CN111546015B (zh) * 2020-05-20 2022-02-11 上海大趋金属科技有限公司 一种异型复合界面的制造方法
WO2024062103A1 (fr) * 2022-09-23 2024-03-28 Basf Se Procédé de production d'un composant composite comprenant au moins une couche métallique et une couche polymère
WO2024062033A1 (fr) 2022-09-23 2024-03-28 Chemetall Gmbh Matériaux hybrides métal-plastique avec de l'acier et/ou du zinc et/ou des alliages de ceux-ci en tant que composant métallique

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004022677A1 (de) * 2004-05-07 2005-11-24 Bayer Materialscience Ag Vorrichtung und Verfahren zur Herstellung von Sandwich-Verbundelementen
US7942991B1 (en) * 2005-09-13 2011-05-17 Loen Mark V Laminating polyester onto metal substrate
US9358766B2 (en) * 2005-09-13 2016-06-07 Toray Plastics (America), Inc. Applying biaxially oriented polyester onto a metal substrate
DE102007046226A1 (de) 2007-09-26 2009-04-09 Thyssenkrupp Steel Ag Verfahren zur Herstellung eines Leichtblechs
DE102012106206A1 (de) * 2012-07-10 2014-01-16 Thyssenkrupp Steel Europe Ag Sandwichblech und Verfahren zu dessen Herstellung
EP2896502B1 (fr) * 2014-01-16 2017-03-08 ThyssenKrupp Steel Europe AG Feuille composite et procédé de fabrication
DE102014107898A1 (de) * 2014-06-04 2015-12-17 Thyssenkrupp Ag Verfahren und Vorrichtung zur Verbundwerkstoffherstellung mit direkter Kaschierspalterwärmung
DE102014110252A1 (de) * 2014-07-21 2016-01-21 Thyssenkrupp Ag Vorrichtung und Verfahren zur Herstellung von Verbundblechen durch Mehrfachkaschierung

Also Published As

Publication number Publication date
DE102016200667A1 (de) 2017-07-20
CN108541236A (zh) 2018-09-14
WO2017125261A1 (fr) 2017-07-27
CN108541236B (zh) 2021-04-16

Similar Documents

Publication Publication Date Title
EP3172049B1 (fr) Dispositif et procédé de production de tôles composites par contre-collage multiple
EP3033231B1 (fr) Procédé pour produire un matériau composite
WO2017125261A1 (fr) Procédé et dispositif de production d'un composite de matières et son utilisation
EP3370961B1 (fr) Procédé et installation de fabrication de bandes ou de tôles composites
EP2147958B1 (fr) Procédé de fabrication d'un composant sandwich à partir de feuillard laminé à froid
EP2193021A2 (fr) Procédé de production d'une tôle légère
EP2925499A1 (fr) Procédé de fabrication d'un élément structural, en particulier pour une carrosserie
DE102009003683B4 (de) Verfahren zur Herstellung eines beschichteten Aluminiumbandes, Aluminiumband und dessen Verwendung
EP3359377B1 (fr) Procédé et installation de fabrication en continu de feuillards ou de tôles composites
WO2021224050A1 (fr) Installation de stratification
EP3253508B1 (fr) Procédé de fabrication d'un composant à partir d'un matériau sandwich et composant constitué d'un matériau sandwich
EP0157737A1 (fr) Procédé pour fabriquer un produit composite metal/matière plastique
CH619643A5 (en) Process for producing a laminated material
DE10130005A1 (de) Verfahren zur Beschichtung der Oberfläche eines Metallbandes mit einem Kunststoffilm
EP3359378B1 (fr) Procédé et installation de fabrication en continu de feuillards ou de tôles composites
DE102019217496B4 (de) Verfahren zur Herstellung eines warmumgeformten und pressgehärteten Stahlblechbauteils
DE102015109288A1 (de) Schweißverfahren und Vorrichtung hierzu
DE102020121303A1 (de) Vorrichtung und Verfahren zum Beschichten eines plattenförmigen Werkstücks
CH694013A5 (de) Verfahren zur Herstellung eines Dosenrumpfes.
DE102016214016A1 (de) Verfahren zum Herstellen eines Bauteils aus einem Sandwichmaterial, dessen Verwendung sowie eine Produktionsanlage zum Herstellen eines Bauteils aus einem Sandwichmaterial
DE102016115058A1 (de) Rollformvorrichtung zum Rollformen und Aufbringen von Verbundmaterial auf Blech
WO2017144513A1 (fr) Procédé de fabrication d'un produit semi-fini, produit semi-fini et son utilisation

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20180626

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20210521

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20220929