EP2848319B1 - Slurry coating device and slurry coating method - Google Patents

Slurry coating device and slurry coating method Download PDF

Info

Publication number
EP2848319B1
EP2848319B1 EP13788396.3A EP13788396A EP2848319B1 EP 2848319 B1 EP2848319 B1 EP 2848319B1 EP 13788396 A EP13788396 A EP 13788396A EP 2848319 B1 EP2848319 B1 EP 2848319B1
Authority
EP
European Patent Office
Prior art keywords
band
slurry
swing
coating
annealing separator
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.)
Active
Application number
EP13788396.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2848319A1 (en
EP2848319A4 (en
Inventor
Hideo Kijima
Yushi Harada
Makoto Yamaguchi
Junichi TORIU
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.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP2848319A1 publication Critical patent/EP2848319A1/en
Publication of EP2848319A4 publication Critical patent/EP2848319A4/en
Application granted granted Critical
Publication of EP2848319B1 publication Critical patent/EP2848319B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
    • B05B13/0463—Installation or apparatus for applying liquid or other fluent material to moving work of indefinite length
    • B05B13/0468—Installation or apparatus for applying liquid or other fluent material to moving work of indefinite length with reciprocating or oscillating spray heads
    • B05B13/0473—Installation or apparatus for applying liquid or other fluent material to moving work of indefinite length with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
    • B05C11/025—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface with an essentially cylindrical body, e.g. roll or rod
    • 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
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • 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
    • B05C9/04—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 liquid or other fluent material to opposite sides of the work
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1238—Flattening; Dressing; Flexing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
    • C21D8/1283—Application of a separating or insulating coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/021—Apparatus for spreading or distributing liquids or other fluent materials already applied to the surface of an elongated body, e.g. a wire, a tube
    • 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
    • B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
    • 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
    • B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
    • 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
    • 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
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials

Definitions

  • the present invention relates to a slurry coating device and a slurry coating method that apply, on a grain-oriented electrical steel sheet, slurry that is an annealing separator to prevent seizure at the time of performing high temperature annealing on a coil in which the grain-oriented electrical steel sheet was wound.
  • a grain-oriented electrical steel sheet is mainly used as iron core material for transformers, power generators, and other electric devices.
  • the grain-oriented electrical steel sheet is required to have good surface films, in addition to good magnetic characteristics (iron loss).
  • the surface film of the steel sheet is composed of a ceramic film referred to as a forsterite film.
  • a forsterite film In forming a forsterite film, with a steel sheet rolled to a given sheet thickness by cold rolling as material, an oxide film (subscale), which is primarily composed of silicon oxide (SiO 2 ), to be a ground is first formed on the material. Next, after magnesium oxide (MgO) is applied on the oxide film, the steel sheet is wound into a coil shape. Subsequently, in a finish annealing process, heat treatment at a high temperature of 1000°C or higher is performed on the grain-oriented electrical steel sheet in a coil shape.
  • SiO 2 silicon oxide
  • SiO 2 and MgO react to each other on the surface of the steel sheet, and a forsterite film (Mg 2 SiO 4 film) is formed thereon.
  • the MgO applied on the surface of the steel sheet also serves as an adhesion inhibitor to prevent adhesion between coil layers in the finish annealing process, and is also referred to as an annealing separator. After the finish annealing process, flattening annealing is performed on the steel sheet to correct the shape of the steel sheet and to make it a product.
  • the annealing separator such as MgO is generally suspended in water and made into slurry. Then, on the outlet side of a continuous annealing furnace in a decarburization annealing process, feeding nozzles and squeeze rolls apply the slurry to be in a given film thickness on both surfaces of an upper surface and a lower surface of a band-like body. At this time, on the upper surface side of the band-like body, a liquid pool is often formed on the inlet side of the squeeze rolls. Subsequently, after the annealing separator is dried in a drying furnace, the band-like body is wound into a coil.
  • these feeding nozzles and squeeze rolls are disposed such that, after the slurry is fed on the band-like body by the feeding nozzles, the film thickness of the slurry can be adjusted by the squeeze rolls such as rough coating rolls and coating rolls.
  • the squeeze rolls such as rough coating rolls and coating rolls.
  • Patent Literature 2 there may be a case in which the slurry is fed to the band-like body by the feeding nozzles after the band-like body passes through all of the coating rolls.
  • a plurality of nozzles that feed the slurry are installed, at intervals of a few 100 millimeters, in a width direction that is a direction perpendicular to the running direction of the band-like body.
  • Japanese Patent Application JP 2005-066962 A discloses a method for manufacturing a preimpregnated fibre for a laminated sheet by spraying a dispersion of a thermosetting resin composition on a sheet like fibre base material using a spray device, wherein the thermosetting resin composition is prepared by dispersing a thermosetting resin composition containing a solid particulate thermosetting resin in a mixed liquid of water and organic solvent.
  • Japanese patent application JP 2004-057971 A discloses a slurry coating device that applies slurry to a running band-like body according to the preamble of claim 1.
  • an object of the present invention is to provide a slurry coating device and a slurry coating method that can suppress the occurrence of wrinkle-like shape defects that are along the longitudinal direction of a steel sheet and are likely to occur after flattening annealing in the manufacture of steel sheet, and can improve the yield in the manufacture of steel sheet.
  • the present invention provides a slurry coating device and a slurry coating method according to claims 1 to 11.
  • the slurry coating device and the slurry coating method according to the present invention have an effect in which the occurrence of wrinkle-like shape defects along the longitudinal direction of a steel sheet can be suppressed and the yield in the manufacture of steel sheet can be improved.
  • FIG. 1 is a diagram illustrating one example of the configuration of the slurry coating device in the first embodiment.
  • a slurry coating device 20 is a device that applies annealing separator slurry 4 on a steel sheet, and includes squeeze rolls 2 and slurry feeding nozzle 3.
  • the slurry feeding nozzle 3 is a slurry dispensing unit including a plurality of dispensing spouts that feed the annealing separator slurry 4 on a band-like body 1 that is a grain-oriented electrical steel sheet.
  • the squeeze rolls 2 are a pair of applicators that squeezes the annealing separator slurry 4 applied on the band-like body 1 into a given thickness.
  • the slurry feeding nozzle 3 in the first embodiment is configured to be able to swing relatively to the band-like body 1 in a direction substantially parallel to a face of the band-like body 1 and substantially perpendicular to a direction of discharging the band-like body 1 (a running direction of the band-like body 1), that is, a width direction of the band-like body 1.
  • the squeeze rolls 2 hold and press (clamp) the band-like body 1 in the thickness direction thereof, and squeeze the annealing separator slurry 4 applied on the surface of the band-like body 1 down to a given film thickness.
  • the band-like body 1 goes through various processes such as a finish annealing process (secondary recrystallization annealing process), a coating process, and a flattening annealing process, and is eventually made into a product of electrical steel sheet.
  • the inventors examined wrinkle-like shape defects formed on the surface of the band-like body 1 after the flattening annealing when a conventional slurry coating device was used. As a result, the inventors have found that, concerning the shape defects, a certain correlation is present between the location of the occurrence along the width direction of the band-like body 1 and the installed position of the slurry feeding nozzle 3 along the width direction. The inventors then focused on the film thickness of the annealing separator slurry 4 being non-uniformly distributed along the width direction of the band-like body 1, and came to evoke that this film thickness distribution influences the shape defects.
  • FIG. 2 illustrates the configuration of this conventional slurry coating device, and the film thickness distribution of the annealing separator slurry 4 along the width direction of the band-like body 1 after the annealing separator slurry 4 on the band-like body 1 was squeezed into a given film thickness.
  • the conventional slurry coating device 100 controlled the film thickness distribution of the annealing separator slurry 4 along the width direction of the band-like body 1 and the film thickness distribution of the annealing separator slurry 4 along the longitudinal direction of the band-like body 1.
  • the thickness differences in the film thickness of the annealing separator slurry 4 on the surface of the band-like body 1 fall within a given range.
  • the thickness differences in the film thickness of the annealing separator slurry 4 were made to fall within the given range, it was not possible to avoid the occurrence of the above-described wrinkle-like shape defects.
  • the occurrence of minute differences in the film thickness distribution of the annealing separator slurry 4 on the surface of the band-like body 1 attributed to the installed positions of the dispensing spouts of the slurry feeding nozzle 103 is unavoidable.
  • the uneven application of the annealing separator slurry 4, which is composed of crest portions in which the film thickness is relatively large and trough portions in which the film thickness is relatively small is attributed to the positions of the dispensing spouts of the slurry feeding nozzle 103, and thus it can be considered as an unavoidable phenomenon.
  • FIG. 3A is a cross-sectional perspective view of a conventional coil of the band-like body coated with the annealing separator slurry.
  • FIG. 3A illustrated is a cross section of the band-like body 1 along the width direction thereof in a state of a coil 10 in which the band-like body 1 coated with the annealing separator slurry 4 by the slurry feeding nozzle 103 is wound.
  • FIG. 3B is a partial enlarged cross-sectional view illustrating a cross section of the portion surrounded by the broken line in FIG. 3A .
  • the crest portions of the annealing separator slurry 4 on the surface of the band-like body 1 are layer-stacked in sequence in the radius direction of a circle in the cross section along the longitudinal direction of the band-like body 1 in the coil 10, and what is called buildups arise and the annealing separator slurry 4 projects (inside the surrounding broken lines in FIG. 3B ).
  • the buildups at the crest portions of the annealing separator slurry 4 on the surface of the band-like body 1 cause the occurrence of shape defects of the band-like body 1 in the finish annealing process.
  • the positions of streaks by uneven application that are visible after the annealing separator slurry 4 is fed on the surface of the band-like body 1 and the positions of shape defects formed on the surface of the band-like body 1 do not necessarily match.
  • the inventors evoked that, rather than completely suppressing the occurrence of non-uniform film thickness distribution of the annealing separator slurry 4 along the width direction of the band-like body 1, which is unavoidable, the occurrence of shape defects can be controlled, on the assumption of the occurrence of non-uniform film thickness distribution, if the film thickness distribution can be made as smooth as possible and if the buildups can be suppressed when the band-like body 1 is made into a coil.
  • the slurry coating device 20 in the first embodiment employs, as illustrated in FIG. 1 , a configuration in which the slurry feeding nozzle 3 including a plurality of dispensing nozzles is made to swing relatively to the band-like body 1 in a direction parallel to the face of the band-like body 1 and perpendicular to the running direction of the band-like body 1, that is, along the width direction of the band-like body 1.
  • the slurry feeding nozzle 3 dispenses and feeds the annealing separator slurry 4 on the surface of the band-like body 1 while swinging relatively to the band-like body 1 along the width direction of the band-like body 1.
  • FIGS. 4A to 4C are all graphic charts illustrating the examples of the control method of varying the amount of swing over time in swinging the slurry feeding nozzle 3.
  • FIG. 5 is a conceptual drawing illustrating the slurry coating device in the first embodiment, and the film thickness distribution of the annealing separator slurry on the surface of the band-like body when the slurry feeding nozzle was controlled in a sinusoidal wave form.
  • illustrated are the configuration diagram of the slurry coating device 20, and the graphic chart illustrating the film thickness distribution of the annealing separator slurry 4 on the surface of the band-like body 1 when the swing of the slurry feeding nozzle 3 was controlled based on the graphic chart illustrated in FIG. 4A .
  • the annealing separator slurry 4 is preferably substantially one half the distance between adjacent dispensing spouts out of the dispensing spouts of the slurry feeding nozzle 3. This averages the supply of the annealing separator slurry 4 in the width direction of the band-like body 1 between the dispensing spouts of the slurry feeding nozzle 3.
  • the pitch T indicated in FIGS. 4A and 4B is preferably 1 to 150 seconds, and more preferably, 2 to 120 seconds.
  • the annealing separator slurry 4 is gently applied on the surface of the band-like body 1 and the crest portions and the trough portions of the annealing separator slurry 4 are modestly formed, and thus the thickness difference in the film thickness distribution is eased and made smooth. Consequently, the occurrence of shape defects on the surface of the band-like body 1 can be prevented.
  • the waveform may be in a substantially triangular wave form for which the turning end portions thereof are smooth due to the restriction of a swing mechanism, or may be in a trapezoidal wave form as the slurry feeding nozzle 3 stops for a finite time at the turning end portions thereof.
  • these swings are included also in the swing in a triangular wave form.
  • FIG. 6A is a conceptual drawing illustrating the slurry coating device in the first embodiment, and the film thickness distribution of annealing separator slurry on the surface of the band-like body when the slurry feeding nozzle was controlled in a square wave form.
  • illustrated are the configuration diagram of the slurry coating device 20, and the graphic chart illustrating the film thickness distribution of the annealing separator slurry 4 on the surface of the band-like body 1 for two layers when the amount of swing of the slurry feeding nozzle 3 was controlled based on the graphic chart illustrated in FIG. 4C .
  • FIG. 4C the graphic chart illustrating the film thickness distribution of the annealing separator slurry 4 on the surface of the band-like body 1 for two layers when the amount of swing of the slurry feeding nozzle 3 was controlled based on the graphic chart illustrated in FIG. 4C .
  • FIG. 6B is a partial enlarged cross-sectional view of the band-like body coated with the annealing separator slurry which was formed in a coil-like condition in the first embodiment.
  • illustrated is the layer-stacked structure of the coil 10 that corresponds to FIG. 3B when, after the annealing separator slurry 4 was applied on the surface of the band-like body 1 as illustrated in FIG. 6A , the band-like body 1 was wound into a coil to be the coil 10 illustrated in FIG. 3A .
  • the width of swing of the slurry feeding nozzle 3 is preferably substantially one half the distance between adjacent dispensing spouts out of the dispensing spouts thereof.
  • the pitch T indicated in FIG. 4C is preferably 1 to 150 seconds, and more preferably, 2 to 120 seconds. This is because, when the time variation in the amount of swing of the slurry feeding nozzle 3 is controlled in a square wave form, if the pitch T is too shorter than one second, the non-uniformity in the film thickness of the annealing separator slurry 4 as illustrated in FIG. 2 remains. If the pitch T is too longer than 150 seconds, the shift amount for each winding is small at the time the band-like body 1 is made into the coil 10 and the crest portions and the trough portions of the annealing separator slurry 4 do not overlap with each other between two layers, whereby the buildups as illustrated in FIG. 3 arise.
  • the crest portions and the trough portions in the film thickness distribution of the annealing separator slurry 4 are layer-stacked in sequence in the radial direction of a circle in the cross section along the longitudinal direction of the band-like body 1 in the coil 10, and the above-described buildups can be prevented.
  • the occurrence of shape defects on the band-like body 1 can be suppressed.
  • the whole slurry coating device 20, which holds the slurry feeding nozzle 3 may be made to swing relatively to the running band-like body 1 to swing the slurry feeding nozzle 3 with respect to the band-like body 1, and subsidiary facilities such as coating rolls of the slurry coating device 20 may be made to swing together.
  • FIGS. 7A, 7B, and 7C are configuration diagrams illustrating a first modification, a second modification, and a third modification, respectively, of the slurry coating device in the first embodiment.
  • a slurry coating device 21 includes rough coating rolls 2a, a pair of backup rolls 2b, a pair of coating rolls 2c, and a pair of before-rough coating roll nozzles 3a.
  • the pair of before-rough coating roll nozzles 3a is a pair of slurry dispensing units that dispenses and feeds the annealing separator slurry 4 onto both surfaces of the band-like body 1.
  • the pair of rough coating rolls 2a is a pair of applicators that coarsely applies the annealing separator slurry 4 fed by the pair of before-rough coating roll nozzles 3a onto both surfaces of the band-like body 1 by pressing (clamping) the band-like body 1 while holding the band-like body 1 in the thickness direction thereof.
  • the pair of coating rolls 2c is an applicator that is supported by the pair of backup rolls 2b provided on both surface sides of the band-like body 1, and squeezes the coarsely applied annealing separator slurry 4.
  • the before-rough coating roll nozzles 3a are configured to be able to swing relatively to the band-like body 1 along the width direction (direction perpendicular to the drawing in FIG.
  • the before-rough coating roll nozzles 3a dispense and feed the annealing separator slurry 4 on both surfaces of the band-like body 1 while swinging in this way. Consequently, the before-rough coating roll nozzles 3a can feed the annealing separator slurry 4 to the band-like body 1 while varying the relative positional relation of the dispensing spouts thereof and the band-like body 1 along the width direction of the band-like body 1 with time.
  • a slurry coating device 22 according to the second modification in the first embodiment includes, as illustrated in FIG. 7B , downstream of the before-rough coating roll nozzle 3a as the same slurry dispensing unit of the slurry coating device 21 in the first modification or as a second or a third slurry dispensing unit and upstream of the pair of coating rolls 2c in the running direction of the band-like body 1, a before-coating roll nozzle 3b as a slurry dispensing unit or as the third or the second slurry dispensing unit on one surface side of the band-like body 1.
  • At least one of the before-rough coating roll nozzles 3a and the before-coating roll nozzle 3b is configured to be able to swing relatively to the band-like body 1 along the width direction (direction perpendicular to the drawing in FIG. 7B ) of the band-like body 1.
  • At least one of the before-rough coating roll nozzles 3a and the before-coating roll nozzle 3b dispenses and feeds the annealing separator slurry 4 on both surfaces of or one surface of the band-like body 1 while swinging in this way.
  • At least one of the before-rough coating roll nozzles 3a and the before-coating roll nozzle 3b can feed the annealing separator slurry 4 to the band-like body 1 while varying the relative positional relation of the dispensing spouts thereof and the band-like body 1 along the width direction of the band-like body 1 with time.
  • a slurry coating device 23 according to the third modification in the first embodiment, as illustrated in FIG. 7C has the same configuration as that of the slurry coating device 21 in the first modification, and in addition, includes an after-coating roll nozzle 3c as a second slurry dispensing unit downstream of the pair of coating rolls 2c in the running direction of the band-like body 1.
  • at least one of the before-rough coating roll nozzles 3a and the after-coating roll nozzle 3c is configured to be able to swing relatively to the band-like body 1 along the width direction (direction perpendicular to the drawing in FIG. 7C ) of the band-like body 1.
  • At least one of the before-rough coating roll nozzles 3a and the after-coating roll nozzle 3c dispenses and feeds the annealing separator slurry 4 on both surfaces of or one surface of the band-like body 1 while swinging in this way. Consequently, at least one of the before-rough coating roll nozzles 3a and the after-coating roll nozzle 3c can feed the annealing separator slurry 4 to the band-like body 1 while varying the relative positional relation of the dispensing spouts thereof and the band-like body 1 along the width direction of the band-like body 1 with time.
  • a cold-rolled grain-oriented electrical steel sheet of a final sheet thickness of 0.3 millimeters containing 3.4 weight percent silicon (Si) is used as the band-like body 1.
  • the annealing separator slurry 4 was then applied on the band-like body 1 by using the slurry coating device 22 of the above-described second modification in the first embodiment.
  • magnesium oxide is applied on both surfaces of the band-like body 1 with the applying weight of 7.0 g/m 2 as the coating amount of the annealing separator slurry 4 per one surface.
  • finish annealing is performed on the coil 10 in a temperature condition of 1200°C.
  • a shape correction of the band-like body 1 is performed under the condition in which the temperature is at 850°C. Then, on the shape-corrected band-like body 1, the presence of shape defects along the longitudinal direction was inspected visually.
  • the swing of at least one of the before-rough coating roll nozzles 3a and the before-coating roll nozzle 3b at the time the annealing separator slurry 4 is applied on the surface of the band-like body 1 is performed in the following manner.
  • only the before-rough coating roll nozzles 3a are made to swing by controlling the time variation in the amount of swing thereof in a sinusoidal wave form with the pitch T indicated in FIG. 4A of 1, 2, 60, 120, and 150 seconds, respectively.
  • only the before-coating roll nozzle 3b is made to swing by controlling the time variation in the amount of swing thereof in a sinusoidal wave form with the pitch T indicated in FIG. 4A of 1, 2, 60, 120, and 150 seconds, respectively.
  • only the before-rough coating roll nozzles 3a are made to swing by controlling the time variation in the amount of swing thereof in a square wave form with the pitch T indicated in FIG. 4C of 1, 2, 60, 120, and 150 seconds, respectively.
  • the before-coating roll nozzle 3b is made to swing by controlling the time variation in the amount of swing thereof in a square wave form with the pitch T indicated in FIG. 4C of 1, 2, 60, 120, and 150 seconds, respectively.
  • the before-rough coating roll nozzles 3a and the before-coating roll nozzle 3b are both made to swing by controlling the time variation in the amount of swing thereof in a sinusoidal wave form with the pitch T indicated in FIG. 4A of 1, 2, 60, 120, and 150 seconds, respectively.
  • the before-rough coating roll nozzles 3a and the before-coating roll nozzle 3b are both made to swing by controlling the time variation in the amount of swing thereof in a square wave form with the pitch T indicated in FIG. 4C of 1, 2, 60, 120, and 150 seconds, respectively. Furthermore, in the comparative example 1, as is conventionally performed, without making the before-rough coating roll nozzles 3a and the before-coating roll nozzle 3b swing, the annealing separator slurry 4 is applied on the surface of the band-like body 1.
  • Table 1 is a table representing the results of the examples 1 to 30 and the comparative example 1.
  • Table 1 can tell that, in the examples 1 to 30, the occurrence of shape defects on the grain-oriented electrical steel sheet that is the band-like body 1 is not present at all, or is reduced as compared with the conventional case. In contrast, in the comparative example 1, it can tell that shape defects occurred. From the comparisons of the examples 1 to 30 with the comparative example 1, it can tell that, as in the examples 1 to 30, making at least one of the before-rough coating roll nozzles 3a and the before-coating roll nozzle 3b swing relatively to the band-like body 1 along the width direction of the band-like body 1 can suppress the occurrence of shape defects on the grain-oriented electrical steel sheet.
  • a cold-rolled grain-oriented electrical steel sheet of a final sheet thickness of 0.23 millimeters containing 3.4 weight percent silicon (Si) is used as the band-like body 1.
  • the annealing separator slurry 4 was then applied on the band-like body 1 by using the slurry coating device 22 of the above-described second modification in the first embodiment.
  • magnesium oxide (MgO) is applied on both surfaces of the band-like body 1 with the applying weight of 7.0 g/m 2 as the coating amount of the annealing separator slurry 4 per one surface.
  • finish annealing is performed on the coil 10 in a condition at a temperature of 1200°C.
  • a shape correction of the band-like body 1 is performed under the condition in which the temperature is at 850°C. Then, on the shape-corrected band-like body 1, the presence of shape defects along the longitudinal direction was inspected visually.
  • the effect of making the coating nozzle for the annealing separator slurry 4 swing in the width direction of the steel sheet in the invention is to promote the uniformity in the coating amount of the annealing separator slurry 4 on the steel sheet by dispersing the minute variations in the coating amount of the annealing separator slurry 4, which are attributed to the placement of the coating nozzle, in the width direction of the steel sheet. It is further conceivable that, because the steel sheet is wound into a coil after the annealing separator slurry 4 is applied, it is more preferable that the combination of the coating amount of the adjacent or neighboring annealing separator slurry 4 on the steel sheet in the radial direction of the coil be made uniform.
  • the coating nozzle is made to swing one period not for each one turn pitch but for each two turn pitches. The inventors found that this had a possibility in which the total of the coating amount of the annealing separator slurry 4 between the layers of the steel sheet in a coil condition is further homogenized in the width direction of the steel sheet.
  • the ratio (V/2L) of the line velocity V of the band-like body 1 and twice the turn pitch L of the coil 10 is defined as a turn-pitch frequency (in unit of "Hz"), and the line velocity V and the coil diameter of the coil 10 were set such that the turn-pitch frequency was to be 0.665 Hz.
  • the annealing separator slurry 4 was applied on the surface of the band-like body 1 while the swing frequency of the before-rough coating roll nozzles 3a was varied within the range of 0.010 to 1.000 Hz.
  • the time variation in the amount of swing of the before-rough coating roll nozzles 3a was controlled in a sinusoidal wave form.
  • Table 2 represents the respective inspection results of shape defects in the foregoing examples 31 to 36 and the comparative example 2.
  • Table 2 can tell that, in the examples 31 to 36, the occurrence of shape defects on the band-like body 1 (grain-oriented electrical steel sheet) is not present at all, or is reduced as compared with the conventional case.
  • it can further tell that, when the swing frequency of the before-rough coating roll nozzles 3a is in a condition of being close to the turn-pitch frequency, that is, being at the same value as or in the neighborhood of 0.665 Hz, the shape defects of the band-like body 1 do not occur.
  • the comparative example 2 it can tell that shape defects of the band-like body 1 occurred.
  • the turn-pitch frequency was set based on twice the turn pitch as in the foregoing, and the swing of the before-rough coating roll nozzles 3a was controlled based on this turn-pitch frequency.
  • the turn-pitch frequency was set based on the turn pitch multiplied by an even number and the before-rough coating roll nozzles 3a were made to swing matching the turn-pitch frequency thus set, the same effect was obtained.
  • the slurry feeding nozzle 3 is made to swing along the width direction of the band-like body 1 at the time the annealing separator slurry 4 is applied on the surface of the band-like body 1 by using the slurry feeding nozzle 3. This makes the non-uniformity in the film thickness distribution of the annealing separator slurry 4 along the width direction smooth, and the buildups can be prevented even when the band-like body 1 is wound into the coil 10.
  • a slurry dispensing unit such as the slurry feeding nozzle 3 has been made to swing relatively to the band-like body 1 along the width direction of the band-like body 1, thereby feeding the annealing separator slurry 4 onto the band-like body 1 while the relative positional relation of the band-like body 1 and the slurry dispensing unit along the width direction of the band-like body 1 was varied over time.
  • the band-like body 1 is made to swing relatively to the slurry dispensing unit along the width direction of the band-like body 1, thereby feeding the annealing separator slurry 4 onto the band-like body 1 while the relative positional relation of the band-like body 1 and the slurry dispensing unit along the width direction of the band-like body 1 is varied over time.
  • FIG. 8 is a diagram illustrating one example of the configuration of the slurry coating device in the second embodiment.
  • a slurry coating device 30 is a device that applies annealing separator slurry on a steel sheet, and includes squeeze rolls 12, a slurry feeding nozzle 13, and band-like body conveying rolls 15.
  • the slurry feeding nozzle 13 is a slurry dispensing unit including a plurality of dispensing spouts that feed the annealing separator slurry 4 on the band-like body 1 that is a grain-oriented electrical steel sheet.
  • the squeeze rolls 12 are a pair of applicators that clamps the band-like body 1 in the thickness direction thereof and squeezes the annealing separator slurry 4 applied on the band-like body 1 into a given thickness.
  • the band-like body conveying rolls 15 are each a band-like body conveying unit that is structured in a columnar shape, for example, and is configured to be able to convey the band-like body 1 by rotating around the central axis of the circle of the column.
  • the squeeze rolls 12 and the band-like body conveying rolls 15 in the second embodiment are a band-like body conveying unit that is configured to be able to swing the band-like body 1 relatively to the slurry dispensing unit in a direction substantially parallel to the surface of the band-like body 1 and substantially perpendicular to the running direction of the band-like body 1, that is, the width direction of the band-like body 1.
  • the slurry feeding nozzle 13 first dispenses and feeds the annealing separator slurry 4 on the surface of the band-like body 1. Then, the squeeze rolls 12 hold and press the band-like body 1 in the thickness direction thereof, and squeeze the annealing separator slurry 4 applied on the surface of the band-like body 1 into a given thickness. Subsequently, the band-like body 1 goes through various processes such as a finish annealing process (secondary recrystallization annealing process), a coating process, and a flattening annealing process, and is eventually made into a product of electrical steel sheet.
  • a finish annealing process secondary recrystallization annealing process
  • a coating process a coating process
  • a flattening annealing process flattening annealing process
  • the inventors examined wrinkle-like shape defects formed on the surface of the band-like body 1 after the flattening annealing process as the same as that done in the above-described first embodiment. As a result, the inventors have found that, concerning the shape defects, a certain correlation is present between the location of the occurrence along the width direction of the band-like body 1 and the installed position of the slurry feeding nozzle 13 along the width direction. The inventors then focused on the film thickness of the annealing separator slurry 4 being non-uniformly distributed along the width direction of the band-like body 1, and came to evoke that this film thickness distribution influences the shape defects.
  • the conventional slurry coating device 100 when the slurry feeding nozzle 103 of the conventional slurry coating device 100 feeds the annealing separator slurry 4 on the surface of the band-like body 1, the film thickness of the annealing separator slurry 4 is large at positions close to the respective dispensing spouts of the slurry feeding nozzle 103 and is small at positions away from them.
  • the conventional slurry coating device 100 controlled the film thickness distribution of the annealing separator slurry 4 along the width direction of the band-like body 1 and the film thickness distribution of the annealing separator slurry 4 along the longitudinal direction of the band-like body 1.
  • the thickness differences in the film thickness of the annealing separator slurry 4 on the surface of the band-like body 1 fall within a given range. Even when the thickness differences in the film thickness of the annealing separator slurry 4 were made to fall within the given range, however, it was not possible to avoid the occurrence of the above-described wrinkle-like shape defects.
  • the inventors made a careful investigation and further examined the influence of uneven application of the annealing separator slurry 4 on the occurrence of shape defects.
  • the inventors evoked that, as the same as that in the first embodiment, rather than completely suppressing the occurrence of non-uniform film thickness distribution of the annealing separator slurry 4 along the width direction of the band-like body 1, which is unavoidable, the occurrence of shape defects can be controlled, on the assumption of the occurrence of non-uniform film thickness distribution, if the film thickness distribution can be made as smooth as possible and if the buildups can be suppressed when the band-like body 1 is made into a coil.
  • the slurry coating device 30 in the second embodiment employs a configuration in which the band-like body 1 is made to swing, by the squeeze rolls 12 and the band-like body conveying rolls 15, relatively to the slurry feeding nozzle 3 in a direction parallel to the face of the band-like body 1 and perpendicular to the running direction of the band-like body 1, that is, along the width direction of the band-like body 1.
  • the slurry feeding nozzle 13 dispenses and feeds the annealing separator slurry 4 on the surface of the band-like body 1 that is swinging and running while the squeeze rolls 12 and the band-like body conveying rolls 15 make the band-like body 1 swing along the width direction of the band-like body 1 relatively to the slurry feeding nozzle 13.
  • This enables the slurry feeding nozzle 13 to feed the annealing separator slurry 4 onto the band-like body 1 while varying the relative positional relation of the dispensing nozzles thereof and the band-like body 1 along the width direction of the band-like body 1 with time.
  • FIGS. 9A to 9C are all graphic charts illustrating the examples of time variation in the amount of swing in the swing control for the band-like body 1 at the time the band-like body 1 is made to swing by the squeeze rolls 12 and the band-like body conveying rolls 15.
  • FIG. 10 is a conceptual drawing illustrating the slurry coating device in the second embodiment, and the film thickness distribution of annealing separator slurry on the surface of the band-like body when the swing control was performed on the band-like body in a sinusoidal wave form.
  • FIG. 10 is a conceptual drawing illustrating the slurry coating device in the second embodiment, and the film thickness distribution of annealing separator slurry on the surface of the band-like body when the swing control was performed on the band-like body in a sinusoidal wave form.
  • FIG. 10 illustrated are the configuration diagram of the slurry coating device 30, and the graphic chart illustrating the film thickness distribution of the annealing separator slurry 4 along the width direction of the band-like body 1 when the swing control was performed on the band-like body 1 based on the graphic chart illustrated in FIG. 9A .
  • the squeeze rolls 12 and the band-like body conveying rolls 15 make the band-like body 1 swing in a sinusoidal wave form as illustrated in FIG. 9A along the width direction of the band-like body 1, or make it swing in a triangular wave form as illustrated in FIG. 9B . Consequently, as is apparent when a broken line portion and a bold line portion in the graphic chart of the film thickness distribution of the annealing separator slurry 4 illustrated in FIG. 10 are compared, the film thickness distribution of the annealing separator slurry 4 along the width direction of the band-like body 1 is smoother as compared with the conventional case (see FIG. 2 and the broken line portion in the graphic chart in FIG.
  • the width of swing of the band-like body 1 illustrated in FIG. 10 is preferably substantially one half the distance between adjacent dispensing spouts out of the dispensing spouts of the slurry feeding nozzle 13. This can average the supply of the annealing separator slurry 4 in the width direction of the band-like body 1 between the dispensing spouts of the slurry feeding nozzle 13.
  • the pitch T as a swing period of the band-like body 1 indicated in FIGS. 9A and 9B is preferably 1 to 150 seconds, and more preferably, 2 to 120 seconds. Consequently, as compared with the non-uniformity in the film thickness distribution of the annealing separator slurry 4 illustrated in FIG. 2 , as illustrated in FIG. 10 , the annealing separator slurry 4 is gently applied on the surface of the band-like body 1 and the crest portions and the trough portions of the annealing separator slurry 4 are modestly formed.
  • the waveform may become a substantially triangular wave form for which the turning end portions thereof are smooth due to the restriction of a swing mechanism, or may become a trapezoidal wave form as the band-like body 1 is made to stop at the turning end portions thereof for a finite time.
  • these swings are included also in the swing in a triangular wave form.
  • FIG. 11A is a conceptual drawing illustrating the slurry coating device in the second embodiment, and the film thickness distribution of annealing separator slurry on the surface of the band-like body when the swing control was performed on the band-like body in a square wave form.
  • illustrated are the configuration diagram of the slurry coating device 30, and the graphic chart illustrating the film thickness distribution of the annealing separator slurry 4 on the surface of the band-like body 1 for two layers when the swing control was performed on the band-like body 1 based on the graphic chart illustrated in FIG. 9C .
  • FIG. 11A illustrated are the configuration diagram of the slurry coating device 30, and the graphic chart illustrating the film thickness distribution of the annealing separator slurry 4 on the surface of the band-like body 1 for two layers when the swing control was performed on the band-like body 1 based on the graphic chart illustrated in FIG. 9C .
  • FIG. 9C the graphic chart illustrating the film thickness distribution of the annealing separator slurry 4 on the surface of
  • FIG. 11B is a partial enlarged cross-sectional view of the band-like body coated with the annealing separator slurry which was formed in a coil-like condition in the second embodiment.
  • illustrated is the layer-stacked structure of the coil 10 that corresponds to FIG. 3B when, after the annealing separator slurry 4 was applied on the surface of the band-like body 1 as illustrated in FIG. 11A , the band-like body 1 was wound into a coil to be the coil 10 illustrated in FIG. 3A .
  • the width of swing of the band-like body 1 is preferably substantially one half the distance between adjacent dispensing spouts out of the dispensing spouts of the slurry feeding nozzle 13.
  • the pitch T that is a swing period of the band-like body 1 indicated in FIG. 9C is preferably 1 to 150 seconds, and more preferably, 2 to 120 seconds. This is because, when the time variation in the amount of swing of the band-like body 1 is controlled in a square wave form, if the pitch T is too shorter than one second, the non-uniformity in the film thickness of the annealing separator slurry 4 as illustrated in FIG. 2 remains.
  • the pitch T is too longer than 150 seconds, the amount of shift for each winding is small at the time the band-like body 1 is made into the coil 10, and the crest portions and the trough portions of the annealing separator slurry 4 between two layers do not overlap with each other appropriately, whereby the buildups as illustrated in FIG. 3B arise.
  • the swing control is performed on the band-like body 1 in a square wave form, it is difficult to move the band-like body 1 along the width direction thereof instantly as the moving velocity of the band-like body 1 is limited, and thus the swing of the band-like body 1 itself is substantially in a trapezoidal wave form.
  • such swing control is also included in the swing in a square wave form.
  • the crest portions and the trough portions in the film thickness distribution of the annealing separator slurry 4 are layer-stacked alternately in sequence in the radial direction of a circle of the cross section along the longitudinal direction of the band-like body 1 in the coil 10, and the above-described buildups can be prevented.
  • the occurrence of shape defects on the band-like body 1 can be suppressed.
  • FIGS. 12A, 12B, and 12C are configuration diagrams illustrating a first modification, a second modification, and a third modification, respectively, of the slurry coating device in the second embodiment.
  • a slurry coating device 31 includes a pair of rough coating rolls 12a, a pair of backup rolls 12b, a pair of coating rolls 12c, and a pair of before-rough coating roll nozzles 13a.
  • the pair of before-rough coating roll nozzles 13a is a pair of slurry dispensing units that dispenses the annealing separator slurry 4 onto both surfaces of the band-like body 1.
  • the pair of rough coating rolls 12a is a pair of applicators that coarsely applies the annealing separator slurry 4 fed by the before-rough coating roll nozzles 13a onto both surfaces of the band-like body 1 by pressing (clamping) the band-like body 1 while holding it in the thickness direction thereof.
  • the pair of coating rolls 12c is a pair of second applicators that is supported by the pair of backup rolls 12b provided on both surface sides of the band-like body 1, and presses (clamps) the band-like body 1 while holding it in the thickness direction thereof and squeezes the coarsely applied annealing separator slurry 4.
  • the band-like body conveying rolls (not depicted), the rough coating rolls 12a, and the coating rolls 12c, with the backup rolls 12b as necessary, are configured as a band-like body swinging unit to be able to swing with the band-like body 1 relatively to the before-rough coating roll nozzles 13a along the width direction (direction perpendicular to the drawing in FIG. 12A ) of the band-like body 1.
  • the band-like body swinging unit thus configured swings the band-like body 1 relatively to the before-rough coating roll nozzles 13a along the width direction of the band-like body 1
  • the before-rough coating roll nozzles 13a dispense and feed the annealing separator slurry 4 on both surfaces of the band-like body 1 that is swinging and running. Consequently, the before-rough coating roll nozzles 13a can feed the annealing separator slurry 4 to the band-like body 1 while varying the relative positional relation of the dispensing spouts thereof and the band-like body 1 along the width direction of the band-like body 1 with time.
  • a slurry coating device 32 according to the second modification in the second embodiment has the same configuration as that of the slurry coating device 31 in the first modification, and further includes a before-coating roll nozzle 13b as a second slurry dispensing unit on one surface side of the band-like body 1 downstream of the before-rough coating roll nozzles 13a as a slurry dispensing unit and upstream of the pair of coating rolls 12c along the running direction of the band-like body 1.
  • the band-like body conveying rolls (not depicted), the rough coating rolls 12a, and the coating rolls 12c, with the backup rolls 12b as necessary, are configured as a band-like body swinging unit to be able to swing with the band-like body 1 relatively to the before-rough coating roll nozzles 13a along the width direction (direction perpendicular to the drawing in FIG. 12B ) of the band-like body 1.
  • the before-rough coating roll nozzles 13a and the before-coating roll nozzle 13b dispense and feed the annealing separator slurry 4 on both surfaces of or one surface of the band-like body 1 that is swinging and running.
  • the before-rough coating roll nozzles 13a and the before-coating roll nozzle 13b can feed the annealing separator slurry 4 to the band-like body 1 while varying the relative positional relation of the dispensing spouts thereof and the band-like body 1 along the width direction of the band-like body 1 with time.
  • either one of the before-rough coating roll nozzles 13a and the before-coating roll nozzle 13b may be configured to swing with the squeeze rolls integrally, more specifically, only either one of the before-rough coating roll nozzles 13a and the before-coating roll nozzle 13b may be configured to swing relatively to the band-like body 1.
  • a slurry coating device 33 according to the third modification in the second embodiment has the same configuration as that of the slurry coating device 31 in the first modification, and further includes an after-coating roll nozzle 13c as a second slurry dispensing unit on the other surface side of the band-like body 1 downstream of the pair of coating rolls 12c along the running direction of the band-like body 1.
  • the band-like body conveying rolls (not depicted), the rough coating rolls 12a, and the coating rolls 12c, with the backup rolls 12b as necessary, are configured as a band-like body swinging unit to be able to swing with the band-like body 1 relatively to the before-rough coating roll nozzles 13a along the width direction (direction perpendicular to the drawing in FIG. 12C ) of the band-like body 1.
  • the before-rough coating roll nozzles 13a and the after-coating roll nozzle 13c dispense and feed the annealing separator slurry 4 on both surfaces of or one surface of the band-like body 1 that is swinging and running.
  • the before-rough coating roll nozzles 13a and the after-coating roll nozzle 13c can feed the annealing separator slurry 4 to the band-like body 1 while varying the relative positional relation of the dispensing spouts thereof and the band-like body 1 along the width direction of the band-like body 1 with time.
  • either one of the before-rough coating roll nozzles 13a and the after-coating roll nozzle 13c may be configured to swing with the squeeze rolls integrally, more specifically, only either one of the before-rough coating roll nozzles 13a and the after-coating roll nozzle 13c may be configured to swing relatively to the band-like body 1.
  • a cold-rolled grain-oriented electrical steel sheet of a final sheet thickness of 0.3 millimeters containing 3.4 weight percent silicon (Si) was used as the band-like body 1.
  • the annealing separator slurry 4 was then applied on the band-like body 1 by using the slurry coating device 32 of the above-described second modification in the second embodiment.
  • magnesium oxide (MgO) is applied on both surfaces of the band-like body 1 with the applying weight of 7.0 g/m 2 as the coating amount of the annealing separator slurry 4 per one surface.
  • finish annealing is performed on the coil 10 in a condition at a temperature of 1200°C.
  • a shape correction of the band-like body 1 is performed under the condition in which the temperature is at 850°C. Then, on the shape-corrected band-like body 1, the presence of shape defects along the longitudinal direction was inspected visually.
  • the control of the swing of the band-like body 1 at the time the annealing separator slurry 4 is applied on the surface of the band-like body 1 is performed in the following manner.
  • the swing control is performed on the band-like body 1 in a sinusoidal wave form with the pitch T indicated in FIG. 9A of 1, 2, 60, 120, and 150 seconds, respectively.
  • the swing control is performed on the band-like body 1 in a triangular wave form with the pitch T indicated in FIG. 9B of 1, 2, 60, 120, and 150 seconds, respectively.
  • the swing control is performed on the band-like body 1 in a square wave form with the pitch T indicated in FIG. 9C of 1, 2, 60, 120, and 150 seconds, respectively.
  • Table 3 is a table representing the results of the examples 37 to 51 and the comparative example 3.
  • Table 3 Swing Waveform Pitch Shape Defects Example 37 Present Sinusoidal 1 sec. Reduced Example 38 Present Sinusoidal 2 sec. None Example 39 Present Sinusoidal 60 sec. None Example 40 Present Sinusoidal 120 sec. None Example 41 Present Sinusoidal 150 sec. Reduced Example 42 Present Triangular 1 sec. Reduced Example 43 Present Triangular 2 sec. None Example 44 Present Triangular 60 sec. None Example 45 Present Triangular 120 sec. None Example 46 Present Triangular 150 sec. Reduced Example 47 Present Square 1 sec. Reduced Example 48 Present Square 2 sec. None Example 49 Present Square 60 sec. None Example 50 Present Square 120 sec. None Example 51 Present Square 150 sec. Reduced Comparative Example 3 None - - Present
  • Table 3 can tell that, in the examples 37 to 51, the occurrence of shape defects on the grain-oriented electrical steel sheet that is the band-like body 1 is not present at all, or is reduced as compared with the conventional case. In contrast, in the comparative example 3, it can tell that shape defects occurred. From the comparisons of the examples 37 to 51 with the comparative example 3, it can tell that, as in the examples 37 to 51, performing the swing control on the band-like body 1 along the width direction of the band-like body 1 by making the band-like body conveying rolls 15 and the squeeze rolls 12 as a band-like body swinging unit swing relatively to the slurry dispensing unit can suppress the occurrence of shape defects in the grain-oriented electrical steel sheet.
  • a cold-rolled grain-oriented electrical steel sheet of a final sheet thickness of 0.23 millimeters containing 3.4 weight percent silicon (Si) is used as the band-like body 1.
  • the annealing separator slurry 4 was then applied on the band-like body 1 by using the slurry coating device 32 of the above-described second modification in the second embodiment.
  • magnesium oxide (MgO) is applied on both surfaces of the band-like body 1 with the applying weight of 7.0 g/m 2 as the coating amount of the annealing separator slurry 4 per one surface.
  • finish annealing is performed on the coil 10 in a condition at a temperature of 1200°C.
  • a shape correction of the band-like body 1 is performed under the condition in which the temperature is at 850°C. Then, on the shape-corrected band-like body 1, the presence of shape defects along the longitudinal direction was inspected visually.
  • the effect of making the band-like body 1 swing in the width direction of the steel sheet thereof by the band-like body swinging unit in the invention is to promote the uniformity in the coating amount of the annealing separator slurry 4 on the band-like body 1 by dispersing the minute variations in the coating amount of the annealing separator slurry 4, which are attributed to the placement of the coating nozzle, in the width direction of the steel sheet of the band-like body 1.
  • the band-like body 1 is wound into a coil after the annealing separator slurry 4 is applied, it is more preferable that the combination of the coating amount of the adjacent or neighboring annealing separator slurry 4 on the steel sheet in the radial direction of the coil be made uniform.
  • the band-like body 1 is made to swing one period not for each one turn pitch but for each two turn pitches. The inventors found that this had a possibility in which the total of the coating amount of the annealing separator slurry 4 between the layers of the steel sheet in a coil condition is further homogenized in the width direction of the steel sheet.
  • the ratio (V/2L) of the line velocity V of the band-like body 1 and twice the turn pitch L of the coil 10 is defined as the turn pitch frequency (in unit of "Hz"), and the line velocity V and the coil diameter of the coil 10 were set such that the turn pitch frequency was to be 0.665 Hz.
  • the annealing separator slurry 4 was applied on the surface of the band-like body 1 while the swing frequency of the band-like body 1 was varied within the range of 0.010 to 1.000 Hz.
  • the time variation in the amount of swing of the band-like body 1 was controlled in a sinusoidal wave form.
  • Table 4 can tell that, in the examples 52 to 57, the occurrence of shape defects on the band-like body 1 (grain-oriented electrical steel sheet) is not present at all, or is reduced as compared with the conventional case.
  • the examples 52 to 54 it further suggests that, when the swing frequency of the band-like body 1 is in a condition of being close to the turn pitch frequency, that is, being at the same value as or in the neighborhood of 0.665 Hz, the shape defects of the band-like body 1 do not occur. In contrast, in the comparative example 4, it can tell that shape defects of the band-like body 1 occurred.
  • the turn-pitch frequency was set based on twice the turn pitch as in the foregoing, and the swing of the band-like body 1 was controlled based on this turn-pitch frequency.
  • the turn-pitch frequency was set based on the turn pitch multiplied by an even number and the band-like body 1 was made to swing matching the turn-pitch frequency thus set, the same effect was obtained.
  • the band-like body 1 is made to swing along the width direction of the band-like body 1 by the band-like body conveying rolls 15 and the squeeze rolls 12 at the time the annealing separator slurry 4 is applied on the surface of the band-like body 1.
  • the pitch T at the time of controlling the slurry feeding nozzle 3 in a sinusoidal wave form or a square wave form is set to 2 to 120 seconds, and the swing frequency of the coating nozzle is set to a given value (for example, 0.665 Hz) matching the turn pitch of the coil 10.
  • the period and the frequency may be made variable in response to the line velocity of the band-like body 1 and the position of the coil 10 after the winding.
  • the band-like body 1 is made to swing by using the band-like body conveying rolls 15.
  • the band-like body 1 can also be made to swing by using a pinch roll and a bridle roll provided on inlet and outlet sides of an annealing separator coating device as a slurry coating device.
  • the pitch T at the time the swing control is performed on the band-like body 1 in a sinusoidal wave form, a triangular wave form, or a square wave form is set to 2 to 120 seconds, and the swing frequency of the band-like body 1 is set to a given value (for example, 0.665 Hz) matching the turn pitch of the coil 10.
  • the period and the frequency can be made variable to various values in response to the line velocity of the band-like body 1 and the position of the coil 10 after the winding.
  • the slurry feeding nozzle 13 may also be made to swing while coordinating with the swing control performed on the band-like body 1.
  • the slurry coating device and the slurry coating method according to the present invention are useful for applying slurry such as annealing separator on the surface of a steel sheet, and in particular, are suitable for suppressing shape defects of the steel sheet and improve the yield in the manufacture of steel sheet.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Battery Electrode And Active Subsutance (AREA)
EP13788396.3A 2012-05-09 2013-05-09 Slurry coating device and slurry coating method Active EP2848319B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012107886 2012-05-09
JP2013098836A JP6011446B2 (ja) 2012-05-09 2013-05-08 スラリー塗布装置およびスラリー塗布方法
PCT/JP2013/063077 WO2013168777A1 (ja) 2012-05-09 2013-05-09 スラリー塗布装置およびスラリー塗布方法

Publications (3)

Publication Number Publication Date
EP2848319A1 EP2848319A1 (en) 2015-03-18
EP2848319A4 EP2848319A4 (en) 2015-06-03
EP2848319B1 true EP2848319B1 (en) 2018-12-26

Family

ID=49550809

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13788396.3A Active EP2848319B1 (en) 2012-05-09 2013-05-09 Slurry coating device and slurry coating method

Country Status (6)

Country Link
EP (1) EP2848319B1 (enrdf_load_stackoverflow)
JP (1) JP6011446B2 (enrdf_load_stackoverflow)
KR (1) KR101716944B1 (enrdf_load_stackoverflow)
IN (1) IN2014MN02163A (enrdf_load_stackoverflow)
RU (1) RU2607407C2 (enrdf_load_stackoverflow)
WO (1) WO2013168777A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11040370B2 (en) 2017-02-28 2021-06-22 Jfe Steel Corporation Slurry application method and slurry application device

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3144683B2 (ja) 1990-06-29 2001-03-12 戸田工業株式会社 紡錘形を呈した鉄を主成分とする金属磁性粒子粉末
WO2015126931A1 (en) 2014-02-18 2015-08-27 3M Innovative Properties Company Easy to apply air and water barrier articles
SG11201606628SA (en) * 2014-02-18 2016-09-29 3M Innovative Properties Co Method and apparatus for forming articles with non-uniform coatings
CN105797898B (zh) * 2016-06-01 2018-06-26 王保锋 一种铁制品表层喷漆装置
CN107824370A (zh) * 2017-12-21 2018-03-23 芜湖戎征达伺服驱动技术有限公司 一种板料涂油机
CN110732455B (zh) * 2019-11-06 2020-12-01 济南西门子变压器有限公司 一种变压器用硅钢片涂漆设备
CN110694826A (zh) * 2019-12-03 2020-01-17 湖州友星木业有限公司 一种板材甲醛吸附剂的喷涂设备
CN112090642B (zh) * 2020-08-19 2022-09-13 普兰设计工程(济南)有限公司 一种中空式木板表面用胶水涂抹装置
RU2767647C1 (ru) 2021-03-05 2022-03-18 МСД Текнолоджис С.а р.л. Добавка к резиновым композициям, способ получения добавки, способ получения резины с повышенными электропроводностью и физико-механическими свойствами и резина

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4867118A (enrdf_load_stackoverflow) 1971-12-20 1973-09-13
JPS6267118A (ja) 1985-09-18 1987-03-26 Kawasaki Steel Corp 電磁鋼板への焼鈍分離剤の塗布方法および装置
JPH03188973A (ja) * 1989-12-20 1991-08-16 Kawasaki Steel Corp 塗装鋼帯の線状疵防止方法
EP1011630B2 (en) * 1997-09-12 2008-10-15 The Procter & Gamble Company Cleansing and conditioning article for skin or hair
JP3878335B2 (ja) * 1998-07-23 2007-02-07 新日本製鐵株式会社 方向性珪素鋼板の焼鈍分離剤塗布方法及び装置
JP2004057971A (ja) * 2002-07-30 2004-02-26 Jfe Steel Kk 帯状体へのスラリーの塗布方法および装置
JP2005066962A (ja) * 2003-08-22 2005-03-17 Sumitomo Bakelite Co Ltd プリプレグと積層板の製造方法、及びプリプレグの製造装置
CN101415884B (zh) * 2006-04-01 2013-02-06 Sca卫生产品有限责任公司 起泡薄纸产品

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11040370B2 (en) 2017-02-28 2021-06-22 Jfe Steel Corporation Slurry application method and slurry application device

Also Published As

Publication number Publication date
KR20140143222A (ko) 2014-12-15
JP6011446B2 (ja) 2016-10-19
WO2013168777A1 (ja) 2013-11-14
KR101716944B1 (ko) 2017-03-27
EP2848319A1 (en) 2015-03-18
RU2014144620A (ru) 2016-07-10
JP2013253320A (ja) 2013-12-19
RU2607407C2 (ru) 2017-01-10
CN104271258A (zh) 2015-01-07
EP2848319A4 (en) 2015-06-03
IN2014MN02163A (enrdf_load_stackoverflow) 2015-08-28

Similar Documents

Publication Publication Date Title
EP2848319B1 (en) Slurry coating device and slurry coating method
WO2015115156A1 (ja) 冷間圧延設備および冷間圧延方法
JP7151773B2 (ja) 方向性電磁鋼板の製造方法および焼鈍分離剤の塗布設備
JP7338042B2 (ja) 大幅の極薄金属リチウムストリップを調製するためのグラビアコーティング装置及びその方法
CN102212659B (zh) 一种具有生产退火板和电工钢功能的复合机组
CN104475448A (zh) 一种预防极薄钢卷“塌芯”缺陷的生产工艺
CN103866219B (zh) 一种热镀铝锌带钢的生产方法和生产线
EP2781625A1 (en) High speed horizontal electroforming apparatus for manufacturing metal foil and method for manufacturing metal foil
CN101945714B (zh) 钢板的冷轧方法及冷轧设备
CN102041375B (zh) 沉淀硬化型合金薄带的制造装置、冷却辊以及沉淀硬化型合金薄带的制造方法
CN102836873A (zh) 一种不锈钢带轧制系统
CN104271258B (zh) 料浆涂敷装置及料浆涂敷方法
JP6988497B2 (ja) エナメル線用導体の製造方法及び製造装置並びにエナメル線の製造方法及び製造装置
US20130239636A1 (en) Method and devices for connecting an aluminum strip to a copper strip under protective gas
US5904953A (en) Insulated metallic strip and method for producing same
KR20140130021A (ko) 핀치롤 및 래퍼롤
CN106163954B (zh) 锥形卷绕细长材料的装置和细长材料的锥形卷绕方法
JPH0646570Y2 (ja) 帯状材の進行方向変更設備
JP2004057971A (ja) 帯状体へのスラリーの塗布方法および装置
JP7575207B2 (ja) 基材搬送装置
CN214289068U (zh) 用于轧制带钢覆层的辊涂机
JPS63153222A (ja) 方向性電磁鋼板の鉄損低減処理ライン
CN210230946U (zh) 清洗线开卷机防打滑偏离装置
WO2021182418A1 (ja) 絶縁電線の製造方法及び絶縁電線の製造装置
EP3611275B1 (en) Sealing device

Legal Events

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

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20141105

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

RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20150508

RIC1 Information provided on ipc code assigned before grant

Ipc: B05D 7/24 20060101ALI20150430BHEP

Ipc: B05C 1/08 20060101ALI20150430BHEP

Ipc: B05C 11/02 20060101AFI20150430BHEP

Ipc: B05C 9/04 20060101ALI20150430BHEP

Ipc: B05C 5/02 20060101ALI20150430BHEP

Ipc: B05B 13/04 20060101ALI20150430BHEP

Ipc: C21D 8/12 20060101ALI20150430BHEP

Ipc: B05D 1/26 20060101ALN20150430BHEP

Ipc: B05D 1/28 20060101ALI20150430BHEP

DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

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

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 8/12 20060101ALI20180705BHEP

Ipc: B05C 9/04 20060101ALI20180705BHEP

Ipc: B05C 5/02 20060101ALI20180705BHEP

Ipc: B05D 1/26 20060101ALN20180705BHEP

Ipc: B05D 7/24 20060101ALI20180705BHEP

Ipc: B05C 11/02 20060101AFI20180705BHEP

Ipc: B05C 1/08 20060101ALI20180705BHEP

Ipc: B05D 1/28 20060101ALI20180705BHEP

Ipc: B05B 13/04 20060101ALI20180705BHEP

INTG Intention to grant announced

Effective date: 20180726

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

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

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

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

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1080697

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190115

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602013048867

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190326

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190326

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20181226

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190327

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1080697

Country of ref document: AT

Kind code of ref document: T

Effective date: 20181226

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190426

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190426

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602013048867

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

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

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20190927

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20190509

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190531

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190531

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20190531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190509

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190509

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190509

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20130509

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20250402

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20250401

Year of fee payment: 13