EP3228389A1 - Procédé de formation d'une barre structurale tridimensionnelle - Google Patents

Procédé de formation d'une barre structurale tridimensionnelle Download PDF

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Publication number
EP3228389A1
EP3228389A1 EP17164535.1A EP17164535A EP3228389A1 EP 3228389 A1 EP3228389 A1 EP 3228389A1 EP 17164535 A EP17164535 A EP 17164535A EP 3228389 A1 EP3228389 A1 EP 3228389A1
Authority
EP
European Patent Office
Prior art keywords
strand
structural
coating
parent
fluidized bed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17164535.1A
Other languages
German (de)
English (en)
Other versions
EP3228389B1 (fr
Inventor
Niklas Andreas Wilm WEISEL
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.)
Weisel Niklas Andreas Wilm
B+M Textil GmbH and Co KG
Original Assignee
Weisel Niklas Andreas Wilm
B+M Textil GmbH and Co KG
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 Weisel Niklas Andreas Wilm, B+M Textil GmbH and Co KG filed Critical Weisel Niklas Andreas Wilm
Publication of EP3228389A1 publication Critical patent/EP3228389A1/fr
Application granted granted Critical
Publication of EP3228389B1 publication Critical patent/EP3228389B1/fr
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Classifications

    • 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
    • B05D7/20—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 to wires
    • 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
    • B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
    • B05D1/22—Processes for applying liquids or other fluent materials performed by dipping using fluidised-bed technique
    • B05D1/24—Applying particulate materials
    • 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
    • B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
    • B05D1/322—Removable films used as masks
    • 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
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/30—Processes for applying liquids or other fluent materials performed by gravity only, i.e. flow coating
    • 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
    • B05D2254/00—Tubes
    • B05D2254/02—Applying the material on the exterior of the 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
    • B05D2256/00—Wires or fibres

Definitions

  • the present invention relates to a method for forming a three-dimensional strand, wherein the strand is passed through a fluidized bed chamber or a powder cloud in which turbulent powder particles of at least one coating material are applied to the strand and accumulate thereon to form a coating.
  • the known method is suitable for applications in which the surface of the strand or cable to be coated consists essentially of one and the same material and is homogeneous.
  • the publication DE 26 19 491 A1 discloses a method of making an insulated electrical conductor wherein a powdered polymeric material is electrostatically deposited on a wire conductor having a layer formed of heat resistant material, heat is added to the conductor for fusing the polymeric material and forming an outer insulating layer, and cooling the polymer coated conductor becomes.
  • a method for producing a coated fiber strand is in the document DE 699 07 881 T2 described.
  • the fiber strand has a primary, a secondary and a tertiary coating, wherein the tertiary coating is applied by means of a fluidized bed.
  • the publication DE 198 14 632 C1 includes a method for applying a protective layer on an elongate body.
  • the coating of the body is preferably carried out by means of vortex sintering, wherein the coating is applied only to selected portions of the body.
  • the non-coated portions of the body are covered during the coating process with a U-shaped cap or a spreadable clip.
  • a method of the type mentioned in which the strand is passed through a fluidized bed chamber or a powder cloud are applied in the swirled powder particles of at least one coating material on the strand and attach to it to form a coating, as a strand from each other spaced on or in a basic strand lined structural body exhibiting structural strand is used, which is a cord or a hose with thereonlub Georgdelten and / or therein structural bodies, wherein the parent strand and the structural body of different material or the same material with different surface properties, the powder particles react chemically and / or physically in the fluidized-bed chamber or the powder cloud with the base strand and / or the structural bodies and / or with a primer applied to the base strand and / or the structural bodies, and / or thermally bonded in or to the surface of the structural body and / or the primer.
  • a three-dimensional structural strand can be produced in which, depending on the strand, Struktur Eisen- and coating material used and depending on the process used, either only the structural body, so only the three-dimensional components of the structural strand, only the parent strand, so only the two-dimensional component of the structural strand, or both are coated / are. It can be applied to the structural strand with the process a variety of coatings that can lead to a refinement and / or functionalization of the components of the structural strand.
  • the structural bodies are threaded onto the structural strand formed as a cord or hose and / or introduced into it.
  • a textile thread, a textile thread or fiber composite, a textile strip, a tube, a mesh tube, a wire, a rubber, a cord, a braid-like structure or the like can be used as the parent strand.
  • the structural body may be formed, inter alia, as lead balls, plastic beads or frozen ice bodies.
  • the structural strand coated with the coating material from the fluidized-bed chamber or the powder cloud is preferably continuously conducted further into an after-treatment chamber in which the coating applied to the structural strand is stabilized and / or fixed and / or solidified.
  • the structural strand in the aftertreatment device and / or at least one of the fluidized bed chamber or the powder cloud in the structure strand conveying direction upstream pre-treatment chamber is guided over deflection rollers.
  • the relative distance of the opposing deflection rollers depending on the required residence times in the process steps of the process and / or the length and / or geometry and / or material composition and / or stress of the structural strand in the pre-and / or post-treatment of the structure strand changed become.
  • the structural bodies are removed from the structural strand after application of the coating, for example by means of dissolving or clearing away.
  • a two-dimensional strand structure can be produced from the three-dimensional structural strand by removing or extracting the three-dimensional structural body, in which an untreated parent strand is present at the locations where the structural bodies previously were, while the intermediate areas are coated with the coating ,
  • the structural bodies are physically and / or chemically and / or mechanically pretreated in a pretreatment chamber upstream of the fluidized bed chamber or the powder cloud in a structural strand conveying direction and / or applied to the base strand.
  • the structural body can be applied to the parent strand, for example by means of drop application.
  • FIG. 1 shows in cross-section an embodiment of a three-dimensional structure strand 1 to be coated in the method according to the invention.
  • the structural strand 1 has a base strand 2 on or in which structure bodies 3 are provided at intervals from one another.
  • the structural strand 1 can be, for example, a cord or a tube with structural bodies 3 threaded onto it, fastened thereto and / or incorporated therein, or applied thereto, such as lead balls, plastic beads or even frozen ice bodies, or a string of pearls.
  • the structural body 3 may consist of different material compared to the material of the foundation bar 2 or of the same material as the basic strand 2, but with different surface properties than the basic bar 2.
  • the structural body 3 consist in the embodiment shown of a different material than the parent strand. 2
  • the base strand 2 can be, for example, a textile thread, textile thread or fiber composite, textile strip, hose, mesh hose, wire, rubber, a cord, a braid-like structure or the like.
  • the structural body 3 may consist of the same or different materials.
  • the structural bodies 3 may further have the same or different characteristics, such as equal or different heat capacity, electrical conductivity, gloss, weight, magnetizability, shape, porosity, melting temperature, piezoactivity, radioactivity, taste, solubility, ionizability, strength, etc.
  • a coating 4 can be applied not only to the structural body 3 but also to the base strand 2 located between the structural bodies 3.
  • the coating 4 may be provided on the structural strand 1 for various purposes or for various reasons.
  • the coating 4 may be for surface functionalization, surface finishing, sealing, activation, passivation, dyeing, ionization, doping, magnetization, metallization, plasticization, etc. of the structural strand 1.
  • the coating 4 takes place completely on the entire structural strand 1.
  • the coating 4 encloses the structural strand 1, wherein it may be that the coating 4 penetrates into the structural strand 1 and / or between the parent strand 2 and the structural body 3.
  • the first untreated structural strand 1 or only the basic pole 2 first passes through a pre-treatment chamber 5.
  • the provision of the pre-treatment chamber 5 is optional.
  • the structural body 3 can be applied to the foundation 2, for example by means of drop application.
  • a method is used which prepares the parent strand 2 and / or the structural bodies 3 for the subsequent coating step, depending on whether only the parent strand 2 or the structural bodies 3 or both are to be functionalized and / or finished.
  • one or more devices for preparing the functionalization and / or refinement which takes place in the fluidized-bed chamber 10 described below or in a powder cloud, can be integrated for this purpose.
  • a thermal pretreatment of the structural strand 1 can take place.
  • at least one heating source 6 and / or at least one electromagnetic radiation source can be provided in the pretreatment chamber 5.
  • at least one gas inlet, at least one gas outlet and / or at least one cooling device or another pretreatment device 5 can be provided in or on the pretreatment chamber 5 with which the structural strand 1 is prepared for the subsequent coating step in the fluidized bed chamber 10 this can be prepared.
  • a structural strand 1 which consists of a basic strand 2 made of cotton with structural bodies 3 applied thereon in the form of lead spheres, should be completely coated, it should be noted that the base strand 2 and the structural body 3 have different heat capacities, whereby the parent strand 2 and the Structural body 3 heat up at different rates during a thermal pretreatment in the pre-treatment chamber 5 and store the heat for different lengths of time. This effect is also dependent on the respective dimensions of the base strand 2 and the structural body 3.
  • the structural strand 1 is guided in the pretreatment chamber 5 by a plurality of deflection rollers 8, 8 ', so that the entire chamber size of the pretreatment chamber 5 can be used suitably for the pretreatment of the largest possible amount of the structural strand 1.
  • the deflection rollers 8, 8 ' can also be omitted.
  • the height H of the upper guide rollers 8 can be changed.
  • the upper pulleys 8 are located on a common, height-adjustable bar. The same is possible with the lower pulleys 8 '.
  • the pretreated structural strand 1 leaving the pretreatment chamber 5 is then continuously guided further into the fluidized bed chamber 10 or a powder cloud.
  • pulverized particles are fluidized or fluidized by means of a gas flow.
  • the powder cloud can be produced by various measures, for example by the effect of sound pressure or vibration on powder particles and / or by spraying, pouring, trickling and / or mixing of powder particles.
  • the powder particles are used in the embodiment of FIG. 2 via a powder feeder 12, which may be, for example, a powder storage silo, which allows a continuous powder tracking, an interior of the Fluidized bed chamber 10 is supplied.
  • a powder feeder 12 By the powder feeder 12, a constant fluidized bed density can be ensured.
  • the powder particles may be formed, for example, but not exclusively, from a polymer powder such as polyethylene, polypropylene, polyester or PES (polyethersulfone).
  • a polymer powder such as polyethylene, polypropylene, polyester or PES (polyethersulfone).
  • the powder particles may consist of different materials and / or may be formed of materials of different density and / or may have different particle sizes.
  • the surface of the structural strand 1 may be, for example, electrically conductive and / or hydrophobic and / or white and / or magnetic and / or corrosion-resistant and / or piezo-active after such a mixed functionalization.
  • a porous bottom plate 13 which serves to introduce air into the fluidized-bed chamber 10.
  • gas such as air
  • a filter 15 is also placed on the fluidized bed chamber 10.
  • the filter 15 prevents discharge of the powder particles.
  • the fluidized bed 11 forming in the fluidized-bed chamber 10 or the powder cloud from the powder particles swirls around the structural strand 1 and allows the powder particles to react with the base strand 2 and / or the structural bodies 3 and / or a primer provided on the base strand 2 and / or the structural bodies 3 or ensures that powder particles are thermally stored in or on the parent strand 2 and / or the structural body 3 and / or a primer provided on the base strand 2 and / or the structural bodies 3.
  • FIG. 2 As it further looks like FIG. 2 is apparent after the fluidized bed chamber 10 or in other embodiments after the powder cloud an after-treatment device 16 in Form of an aftertreatment chamber provided, in which the coming out of the fluidized bed chamber 10 out of coated composite structure strand 1 is continued.
  • the coating 4 applied to the structural strand 1 in the fluidized-bed chamber 10 or the powder cloud is stabilized and / or solidified.
  • the solidification of the coating 4 takes place in the in FIG. 2 illustrated embodiment by means of at least one heat source 6, for the heat distribution at least one heat distribution device 7, such as at least one fan, is provided.
  • At least one other radiation source at least one infrared treatment device, at least one paint coating device and / or at least one ionization device can be provided in the aftertreatment chamber 16 instead of or in addition to the at least one heating source 6.
  • aftertreatment chamber 16 at least one gas inlet, at least one gas outlet and / or at least one cooling device.
  • the structural strand 1 in the aftertreatment chamber 16 is also guided around a plurality of deflection rollers 8, 8 ', so that the entire chamber size of the aftertreatment chamber 16 can be used for the aftertreatment of the largest possible amount of the coated structure strand 1 at high throughputs or short residence times.
  • the pulleys 8, 8 'in the aftertreatment chamber 16 may also be omitted.
  • the height H of the upper guide rollers 8 can be changed.
  • the upper pulleys 8 are located on a common, height-adjustable bar. The same is possible with the lower pulleys 8 '.
  • both the parent strand 2 and the structural body 3 with the coating 4 to form the in FIG. 6 schematically coated coated structure strand 1c coated are on the structural strand 1, both the parent strand 2 and the structural body 3 with the coating 4 to form the in FIG. 6 schematically coated coated structure strand 1c coated.
  • embodiments of the invention may, as shown schematically in the FIGS. 4 and 5 is shown, only the structural body 3 to form the coated structure strand 1a or only the parent strand 2 with the coating 4 to form the coated structure strand 1 b to be coated.
  • FIG. 3 schematically shows another possible device for realizing a further embodiment of the method according to the invention.
  • the same components of the device of FIG. 3 with the same reference numerals as in FIG FIG. 2 provided, with reference to the above description of these components is fully referenced.
  • the structure strand supply unit 17 includes at least one structure strand storage device and at least one drive, unwinding and conveying unit for the structural strand 1.
  • the structural strand supply unit 17 has for this purpose in the example shown, a roller 18, from which the unprocessed structure strand 1 unwound and the pre-treatment chamber 5 is supplied.
  • an aftertreatment device 19 is provided, which may comprise, for example, at least one heating source or at least one other radiation source, such as at least one IR or at least one UV radiation source.
  • the coating 4 applied to the structural strand 1 is solidified.
  • the aftertreatment device 19 is in the embodiment of FIG. 3 an air cooling or a gas outlet 20 downstream with a heat distribution device 7 in the form of a fan. As a result, a heat recovery can be realized.
  • FIG. 3 are on the structural strand 1 only the structural body 3 with the coating 4 to form the in FIG. 4 schematically shown coated structural strand 1a coated.
  • FIGS. 5 and 6 are on the structural strand 1 only the structural body 3 with the coating 4 to form the in FIG. 4 schematically shown coated structural strand 1a coated.
  • not shown embodiments of the invention may, as shown schematically in the FIGS. 5 and 6 is shown, only the parent strand 2 of the structural strand 1 with the coating 4 to form the coated structure strand 1 or the entire structural strand 1, including the base strand 2 and structural body 3, be coated with the coating 4 to form the coated structure strand 1c.
  • the coated structural strand 1 a, 1 b or 1 c is described below in the FIG. 3 shown embodiment wound in a take-up unit 21 on at least one roller 22.
  • the take-up unit 21 is for this purpose connected to a drive unit 23, such as a motor.
  • the winding unit 21 may be formed as a cabinet for waste heat absorption.
  • FIG. 4 schematically shows a first variant of a structure strand 1a coated with the method according to the invention.
  • the coating 4 is in this first variant only on the structural bodies.
  • FIG. 5 schematically shows a second variant of a structure strand 1b coated with another embodiment of the method according to the invention.
  • the coating 4 is only on the parent strand. 2
  • FIG. 6 schematically shows a third variant of a coated with a further embodiment of the inventive method structure strand 1c, in which both the parent strand 2 and the structural body 3 are provided with the coating 4.
  • FIG. 7 1 schematically shows an embodiment of a structure strand 1d coated with the method according to the invention, from which, after application of the coating 4, the structural bodies 3 have been removed or detached.
  • the removal or detachment of the structural body 3 can take place, for example, by dissolving with solvent or, if the structural bodies 3 are ice cubes or spheres, for example, by means of rolling away the structural body 3.
  • FIG. 7 to see a structural thread 1d based on the base strand 2 with a surface sequenced by the spaced-apart coating 4.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP17164535.1A 2016-04-08 2017-04-03 Procédé de formation d'une barre structurale tridimensionnelle Active EP3228389B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016106480.7A DE102016106480A1 (de) 2016-04-08 2016-04-08 Verfahren zur Ausbildung eines dreidimensionalen Strukturstranges

Publications (2)

Publication Number Publication Date
EP3228389A1 true EP3228389A1 (fr) 2017-10-11
EP3228389B1 EP3228389B1 (fr) 2020-03-11

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DE (1) DE102016106480A1 (fr)
ES (1) ES2792059T3 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB702829A (en) * 1950-05-05 1954-01-27 North British Rayon Ltd Improvements in or relating to coated threads
US3919437A (en) * 1972-02-22 1975-11-11 Owens Corning Fiberglass Corp Method for electrostatically impregnating strand
DE2619491A1 (de) 1975-05-05 1976-11-18 Northern Telecom Ltd Polymerbeschichteter waermeisolierter elektrischer leiter und verfahren zur herstellung desselben
DE2948650A1 (de) 1979-12-04 1981-06-11 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Verfahren zur herstellung eines feuchtigkeitsgeschuetzten kunststoffisolierten elektrischen energiekabels
US4839199A (en) * 1985-07-16 1989-06-13 Flexline Services Ltd. Method and apparatus for applying powdered materials to filaments
US5328736A (en) * 1990-03-15 1994-07-12 Societe Nationale Des Poudres Et Explosifs Apparatus and process for impregnating fibers with an aerosol of electrostatically charged polymer powder particles
DE19814632C1 (de) 1998-03-26 1999-10-14 Mannesmann Ag Verfahren und Vorrichtung zum Aufbringen einer Schutzschicht auf einem langgestreckten Körper, insbesondere Draht oder Rohr
EP0814916B1 (fr) 1995-03-15 2003-02-19 Hexcel Composites GmbH Etoupe preimpregnee peu volumineuse flexible
DE69907881T2 (de) 1998-03-03 2004-02-26 PPG Industries Ohio, Inc., Cleveland Glasspinnfaden beschichtet mit wärmeleitenden anorganischen teilchen und diese enthaltende produkte

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB702829A (en) * 1950-05-05 1954-01-27 North British Rayon Ltd Improvements in or relating to coated threads
US3919437A (en) * 1972-02-22 1975-11-11 Owens Corning Fiberglass Corp Method for electrostatically impregnating strand
DE2619491A1 (de) 1975-05-05 1976-11-18 Northern Telecom Ltd Polymerbeschichteter waermeisolierter elektrischer leiter und verfahren zur herstellung desselben
DE2948650A1 (de) 1979-12-04 1981-06-11 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Verfahren zur herstellung eines feuchtigkeitsgeschuetzten kunststoffisolierten elektrischen energiekabels
US4839199A (en) * 1985-07-16 1989-06-13 Flexline Services Ltd. Method and apparatus for applying powdered materials to filaments
US5328736A (en) * 1990-03-15 1994-07-12 Societe Nationale Des Poudres Et Explosifs Apparatus and process for impregnating fibers with an aerosol of electrostatically charged polymer powder particles
EP0814916B1 (fr) 1995-03-15 2003-02-19 Hexcel Composites GmbH Etoupe preimpregnee peu volumineuse flexible
DE69907881T2 (de) 1998-03-03 2004-02-26 PPG Industries Ohio, Inc., Cleveland Glasspinnfaden beschichtet mit wärmeleitenden anorganischen teilchen und diese enthaltende produkte
DE19814632C1 (de) 1998-03-26 1999-10-14 Mannesmann Ag Verfahren und Vorrichtung zum Aufbringen einer Schutzschicht auf einem langgestreckten Körper, insbesondere Draht oder Rohr

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Publication number Publication date
EP3228389B1 (fr) 2020-03-11
ES2792059T3 (es) 2020-11-06
DE102016106480A1 (de) 2017-10-12

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