EP0682571B1 - Procede et appareil pour l'application d'un revetement sur du papier ou similaire - Google Patents

Procede et appareil pour l'application d'un revetement sur du papier ou similaire Download PDF

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Publication number
EP0682571B1
EP0682571B1 EP93924618A EP93924618A EP0682571B1 EP 0682571 B1 EP0682571 B1 EP 0682571B1 EP 93924618 A EP93924618 A EP 93924618A EP 93924618 A EP93924618 A EP 93924618A EP 0682571 B1 EP0682571 B1 EP 0682571B1
Authority
EP
European Patent Office
Prior art keywords
web
slurry
fog
coating
paper
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.)
Expired - Lifetime
Application number
EP93924618A
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German (de)
English (en)
Other versions
EP0682571A1 (fr
Inventor
Patrick Sundholm
Robert Donnelly
Martti Kangas
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Individual
Original Assignee
Individual
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
Priority claimed from FI925045A external-priority patent/FI925045A/fi
Application filed by Individual filed Critical Individual
Publication of EP0682571A1 publication Critical patent/EP0682571A1/fr
Application granted granted Critical
Publication of EP0682571B1 publication Critical patent/EP0682571B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
    • B05B7/066—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/03—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/025—Nozzles having elongated outlets, e.g. slots, for the material to be sprayed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0861—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with one single jet constituted by a liquid or a mixture containing a liquid and several gas jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0884—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being aligned
    • 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
    • B05C11/04—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 with blades
    • 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
    • B05C11/06—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 with a blast of gas or vapour
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/50—Spraying or projecting
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
    • D21H25/10—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with blades
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
    • D21H25/12—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with an essentially cylindrical body, e.g. roll or rod

Definitions

  • the coatings improve the quality of the paper, e.g. the shine, the brightness, the transparency, the smoothness, the surface strength, the absorption characteristics.
  • One or more coating layers are applied onto the surface of the uncoated paper to fill up roughness of the paper surface and thus to render the said surface even, to give a more smooth and microporous surface.
  • onto the paper web are applied different amounts of coating in one or more steps.
  • An appropriate surplus of wet coating is applied onto the paper web using a dosing device, through which the paper is conveyed.
  • a doctor or a so called doctor blade or knife which extends over the whole width of the paper web, is installed spaced from the dosing device. Until 90 % of the coating is scraped off. This wears down the blade and the maintenance, e.g. the changing of the doctor, is considerably time consuming.
  • Patent application EP-A-0060114 discloses a method of coating a substrate with microcapsules, comprising the step of dispensing the microcapsules in a liquid, applying the liquid to the surface of the substrate and removing all but the desired thickness of liquid using a doctor blade.
  • a conventional use of rollers is illustrated in patent GB 1601282, wherein layers of starch are applied to the surface of a substrate in liquid form, following which the substrate is passed between couching rollers and counter rollers to remove the excess liquid.
  • the objective of this invention is generally coating or sizing paper webs or like and concerns especially a process and an apparatus for coating a web. Another objective of the invention is to obtain a smooth paper surface. Yet another objective is to obtain a better paper quality, so that the paper can be coated with a greater amount of coating and/or the formerly attained coating amounts can be obtained using fewer coating steps.
  • the pressure of the mechanical doctor can be decreased.
  • the doctor blade pressure needed is considerably smaller than in existing devices in industry.
  • the wetting of the paper web can be decreased.
  • the productional efficiency of the surface sizing is increased.
  • This invention comprises making a slurry to be used as the coating material mixture or sizing mixture and producing a fog.
  • the coating material mixture or sizing mixture before adherence onto the paper, is broken up into a fog using a gas under pressure.
  • the coated or surface sized web is treated by a doctor or it is pressed between two rotating rolls or like, to smooth the coating or sizing layer and to making possible the chemicals, the coating and/or the sizing to penetrate into the paper.
  • the fog can be mixed with such fogs that contain other coatings if desired; then the final coatings are directed towards the web.
  • the fog and the web can contain static charges, which help the fog to adhere and to stay on the web, even if, the process is successful even without using static charges.
  • the fog can be generated in many different ways e.g. by using normal spray nozzles. In the invention ultra sonic energy and ultra sonic nozzles well known in the field can be employed.
  • FIG. 1 an example of an application nozzle 24 is given, where air channels 25 are disposed around the capillary tube 26 of the slurry channel.
  • the coating slurry is brought in the form of a slurry to the slurry channel 26.
  • the slurry channel and the air channels narrow off towards the outlet.
  • the air from the air channels is directed to break up the slurry into a fog and to further break it up, if the slurry already has been reduced into a fog in an earlier stage.
  • the coating mixture hits the paper web and adheres to it.
  • the distance of the application nozzle from the paper can be adjusted according to the need.
  • the slurry is conducted to the slurry channel in form of a slurry if it is dilute wherein it is broken up just a moment before it hits the paper.
  • the outlet end of the nozzle has e.g. a diameter of 1-5 mm or 3-5 mm.
  • the nozzles can be aligned in a row, over the width of the web to be coated, either in the same or a different plane, and the air and slurry channels are arranged concentrically so that the fog broken up through them is applied evenly on the surface of the paper.
  • the nozzle according to Figure 1 can be formed into one uniform nozzle where the outlet of the slurry channel is formed into a slot extending over the whole width of the web and its dimensions e.g. 2-5 mm x 6 m.
  • the air channels are then arranged on the both sides of the slot and spaced apart from each others.
  • a dosing device of the usual type can be replaced only by the nozzle 24 with the air and slurry channels.
  • Figures 4 and 5 show further different embodiments of the nozzles.
  • the amount of the coating applied can be easily adjusted.
  • the penetration of and the adhered coating can be optimized by defining for each spray a suitable hit angle of the spray.
  • the optimal value of the angle is not critical in all circumstances as the excess coating can always be collected or scraped off, but then the paper strain is added.
  • a suitable pressure for the breaking up/accelerating gas (air) is 0,5-25 bar.
  • a great pressure usually leads to a greater coating mixture velocity after the nozzle and this results that the coating penetrates deeper in the paper pores.
  • the deepest penetration in the paper is obtained when the nozzles are slightly inclined against the direction of the incoming paper web.
  • the optimal angle of the nozzles against the paper web line depends, as was stated, on:
  • the pressure can be adjusted as needed to obtain an acceptable coating.
  • the apparatus is naturally provided with an appropriate air-conditioning system, which is not disclosed here.
  • the web After application the web is conveyed through the doctor 32.
  • the doctor blade is pressed against the roll 33.
  • the knife pressure can be considerably lower than in coventional application techniques, as the amounts of the fed coating can be easily dosed, wherein an excess amount of coating can be avoided.
  • the main function of the doctor can be to meter or level. In a pilot-plant test a coating amount of 25 g/m 2 was obtained in one coating step, whereas in conventional processes a coating amount of 15-16 g/m 2 in one step was obtained on one side.
  • a mechanical (or air) knife can function as brushing or removing slurry paste.
  • the choice of the main function, between brushing or removing the paste, depends on the speed of the web to be coated, the type of paste and on the desired amounts of coating. A high blade pressure leads to a scraping phenomena and to an unwanted straining of the paper in removing the paste from the paper web. It is to be noted, that when paper is sized with a starch solution, the characteristics of this solution are totally different from the usual mineral coating or slurry.
  • the surface sizing and application speeds can be increased and it is estimated that the velocity of 2000 m/min can be reached, which was the maximum speed of the test machine in one of the pilot-plant tests.
  • the limit speed of the application can be said to be dependant on the mechanically reachable speed of the machine as on the application process itself.
  • the application can be performed in one or more steps.
  • the coated paper can be smoothened, doctored, instead of using a doctor or in combination with a doctor e.g. by passing it between two rolls. An air knife or air brush or any combination of these can also be employed.
  • the slurry is removed from the tank 10 by a pump 14, the outlet of which is connected to a line 15 for feeding a nozzle 16.
  • the nozzle 16 breaks up the slurry from the tank 10 so that the slurry becomes a spray having a very small particle size or a fog size.
  • the material will be referred to as a fog and it should be understood that this term includes range of forms from a very small particle aerosol to a relatively small particle spray.
  • the nozzle 16 may comprise many specific pieces of hardware. It is possible, that by using the pump 14 having sufficient pressure, the nozzle 16 may actually be a fluid type nozzle, wherein the nozzle will break up the fluid that flows therethrough to produce a fine particle spray, or a nozzle, where a gas under pressure breaks up the liquid and mixes therewith to form a fog. It is also possible to use an ultrasonic nozzle, usually of the type disclosed in the US patent 4352459 of Berger et al. The ultrasonic nozzles are well known in the art, and those skilled in the art will understand without further explanation.
  • the nozzle 16 may take, is a transducer located at the bottom of the tank 18. It will be noted, that the tank 18 is described as having some slurry in the bottom of it, and the fog in the upper part of the tank 18. By placing the transducer at the bottom of the tank 18, ultra sonic energy can break up the slurry into fine particles to produce the desired fog above the liquid, and the additional fog being generated is removed for use.
  • the fog from the tank 18 is directed to a mixing chamber 19, and further that there is a second tank 18A, which also has its output directed to the mixing chamber 19.
  • a second tank 18A which also has its output directed to the mixing chamber 19.
  • Another means for providing two different materials for coating the web 11 is to provide two or more of the tanks as the tank 10.
  • a second tank 10A is disclosed, and a pump 14A moves material from the tank 10A and feeds it through the line 15A to a nozzle 16A in the tank 18.
  • a pump 14A moves material from the tank 10A and feeds it through the line 15A to a nozzle 16A in the tank 18.
  • the mixed fogs will then be either directed to a mixing tank 19 or directly to the application nozzle 24.
  • This invention provides also an injection device 23, which injects air or other gas to the stream of fog.
  • the injection means 23 are placed adjacent to the walls of the application nozzle 24 and in this position a curtain of gas is placed along the walls, to prevent the attachment of the droplets on the walls.
  • a static electric charge will be utilized on the fog and on the web 11.
  • the web 11 can be charged, and that the fog can be charged by means of grating or the like.
  • a charge generator is indicated at 30, there being only one charge generator shown. Nevertheless, it will be understood, that one charge (e.g. a negative) can be generated on the substrate 11, while the opposite charge (e.g. a positive) can be placed on the fog. These opposite charges will cause the fog to be attracted to the substrate 11 and stick thereto.
  • Figure 3a discloses an embodiment of a doctor 32, an air brush or their combination.
  • Figure 3b discloses a pair of rollers 34, used for a surface sized paper web, through which rollers the paper web is conducted.
  • An air knife presented by a broken line can be added after the roller pair, if desired.
  • the paper web can move upwards or in a horizontal direction.
  • a small amount of pigment can be added to the starch, and this is called pigmentation.
  • An important feature of this invention is the application of the fog containing coating material to a web 11 at low pressure and without mechanical manipulation or the like. This allows the system of the invention to be utilized for coating paper anywhere along the paper production line, from the first de-watering stage until the paper has been completely dried. If desired, the paper can be manufactured and rolled up, and the rolls can be transported to another location, unrolled and then coated using the system according to the invention.
  • this invention provides an extremely simple method and apparatus for coating a paper web or like. Since the slurry to be coated on the web is transformed into a fog and the fog is applied at very low pressure, it will be understood, that the web will never be harmed, even when the web contains much water. Furthermore, it will be understood that any conventional drying technique is appropriate so that infrared lamps or the like can be utilized to dry the coating on paper or board.
  • the extra coating material that is accumulated to the doctor blade can be collected by usual means for later exploitation.

Landscapes

  • Paper (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Claims (7)

  1. Procédé pour coucher une bande de papier, une bande de carton ou l 'analogue (11), ledit procédé comprenant les étapes suivantes : désagréger un mélange de couchage en un brouillard, appliquer ledit brouillard sous pression à travers une buse (24) sur la bande (11) et lisser la bande (11) revêtue par le brouillard en la pressant entre deux rouleaux (34) disposés sur des côtés opposés de la bande, ou en utilisant une lame traínante (32), une lame d'air ou une brosse d'air.
  2. Procédé selon la revendication 1, dans lequel la bande (11) est lissée en utilisant en combinaison au moins deux d'une lame d'air, d'une brosse d'air, d'une lame traínante et de rouleaux.
  3. Procédé selon l'une des revendications précédentes, dans lequel le mélange de couchage comprend plusieurs suspensions épaisses, le procédé comprenant les étapes suivantes : produire un brouillard à partir de chaque suspension, mélanger tous les brouillards créés et diriger le mélange résultant de brouillards vers la buse d'application (24).
  4. Appareil pour coucher une bande de papier, une bande de carton ou l'analogue (11) se déplaçant de façon continue avec une suspension épaisse, l'appareil comprenant un dispositif de dosage pour le couchage et une buse d'application (24) située à une certaine distance de la bande (11) pour amener un brouillard à la bande, la suspension étant désagrégée en un brouillard par un gaz sous pression avant d'adhérer sur la bande, caractérisé en outre en ce qu'il comprend des moyens pour lisser la bande (11) enduite par le brouillard en la pressant entre deux rouleaux (34) disposés sur des côtés opposés de la bande, ou en utilisant une lame traínante (32), une lame d'air ou une brosse d'air.
  5. Appareil selon la revendication 4, comportant des moyens (23) pour produire un courant de gaz pour entraíner et transporter le brouillard à travers la buse d'application (24).
  6. Appareil selon la revendication 4 ou la revendication 5, dans lequel la suspension est une suspension d'amidon et dans lequel deux rouleaux (34) sont prévus sur des côtés opposés de la bande pour lisser la bande enduite (11).
  7. Appareil selon l'une des revendications 4 à 6, dans lequel la buse d'application (24) pour amener la suspension est équipée d'un canal de suspension (26) pour diriger la suspension et d'un ou plusieurs canaux d'air (25) disposés adjacents au canal de suspension (26), le canal de suspension (26) ou une multiplicité de tels canaux de suspension s'étendant sur toute la largeur de la bande (11).
EP93924618A 1992-11-06 1993-11-05 Procede et appareil pour l'application d'un revetement sur du papier ou similaire Expired - Lifetime EP0682571B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FI925045 1992-11-06
FI925045A FI925045A (fi) 1992-11-06 1992-11-06 Foerfarande och anordning foer belaeggning av papper el.dyl.
FI934890 1993-11-05
FI934890A FI96894C (fi) 1992-11-06 1993-11-05 Menetelmä ja laite paperin tai vastaavan päällystämiseksi
PCT/FI1993/000453 WO1994011116A1 (fr) 1992-11-06 1993-11-05 Procede et appareil pour l'application d'un revetement sur du papier ou similaire

Publications (2)

Publication Number Publication Date
EP0682571A1 EP0682571A1 (fr) 1995-11-22
EP0682571B1 true EP0682571B1 (fr) 1999-02-03

Family

ID=26159350

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93924618A Expired - Lifetime EP0682571B1 (fr) 1992-11-06 1993-11-05 Procede et appareil pour l'application d'un revetement sur du papier ou similaire

Country Status (7)

Country Link
EP (1) EP0682571B1 (fr)
AU (1) AU5421794A (fr)
BR (1) BR9307399A (fr)
CA (1) CA2148505C (fr)
DE (1) DE69323438T2 (fr)
FI (1) FI96894C (fr)
WO (1) WO1994011116A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001002097A1 (fr) * 1999-07-01 2001-01-11 Metso Paper, Inc. Couchage et procede de couchage
WO2001002098A1 (fr) * 1999-06-30 2001-01-11 Metso Paper, Inc. Procede et dispositif permettant de pulveriser un agent de traitement sur une bande en mouvement
DE102009009862A1 (de) 2009-02-20 2010-08-26 V.I.B. Systems Gmbh Verfahren und Anlage zum Aufbringen einer Suspension auf eine Materialbahn

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Publication number Priority date Publication date Assignee Title
US5622599A (en) * 1994-06-28 1997-04-22 Sproule; Barry Method and apparatus for coating pulp products
FI108061B (fi) * 1995-10-05 2001-11-15 Metso Paper Inc Menetelmä liikkuvan paperi- tai kartonkirainan päällystämiseksi
US6792940B2 (en) 1996-05-13 2004-09-21 Universidad De Sevilla Device and method for creating aerosols for drug delivery
US6595202B2 (en) 1996-05-13 2003-07-22 Universidad De Sevilla Device and method for creating aerosols for drug delivery
US6187214B1 (en) 1996-05-13 2001-02-13 Universidad De Seville Method and device for production of components for microfabrication
US6116516A (en) 1996-05-13 2000-09-12 Universidad De Sevilla Stabilized capillary microjet and devices and methods for producing same
US6405936B1 (en) 1996-05-13 2002-06-18 Universidad De Sevilla Stabilized capillary microjet and devices and methods for producing same
ES2158741B1 (es) * 1997-12-17 2002-03-16 Univ Sevilla Dispositivo de sipersion de un fluido en otro inmiscible en forma de microgotas o microburbujas de tamaño uniforme.
US6189803B1 (en) 1996-05-13 2001-02-20 University Of Seville Fuel injection nozzle and method of use
US6196525B1 (en) 1996-05-13 2001-03-06 Universidad De Sevilla Device and method for fluid aeration via gas forced through a liquid within an orifice of a pressure chamber
US6386463B1 (en) 1996-05-13 2002-05-14 Universidad De Sevilla Fuel injection nozzle and method of use
US6299145B1 (en) 1996-05-13 2001-10-09 Universidad De Sevilla Device and method for fluid aeration via gas forced through a liquid within an orifice of a pressure chamber
ES2140998B1 (es) 1996-05-13 2000-10-16 Univ Sevilla Procedimiento de atomizacion de liquidos.
FI108063B (fi) * 1997-09-09 2001-11-15 Runtech Systems Oy Menetelmä ja laitteisto materiaalirainan käsittelemiseksi
WO1999030834A1 (fr) * 1997-12-17 1999-06-24 Universidad De Sevilla Dispositif et procede pour creer des aerosols permettant l'apport de medicaments
WO1999030831A1 (fr) * 1997-12-17 1999-06-24 Universidad De Sevilla Injecteur et son procede d'utilisation
GB9726921D0 (en) * 1997-12-19 1998-02-18 Ecc Int Ltd Packaging materials
DE19825156C1 (de) * 1998-03-31 1999-10-07 Vits Maschinenbau Gmbh Vorrichtung zum Auftragen einer Beschichtungsmasse auf eine durchlaufende Papierbahn
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WO2007003059A1 (fr) * 2005-07-04 2007-01-11 H. U. Jakob Papiertechnik Ag Dispositif de pulverisation a grande vitesse de differents agents
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WO2001002098A1 (fr) * 1999-06-30 2001-01-11 Metso Paper, Inc. Procede et dispositif permettant de pulveriser un agent de traitement sur une bande en mouvement
KR100701732B1 (ko) * 1999-06-30 2007-04-02 메트소 페이퍼, 인코포레이티드 이동 웹에 처리제를 산포하는 방법 및 장치
US7879408B1 (en) 1999-06-30 2011-02-01 Metso Paper, Inc. Method and apparatus for spreading treating agent on a moving web
WO2001002097A1 (fr) * 1999-07-01 2001-01-11 Metso Paper, Inc. Couchage et procede de couchage
DE102009009862A1 (de) 2009-02-20 2010-08-26 V.I.B. Systems Gmbh Verfahren und Anlage zum Aufbringen einer Suspension auf eine Materialbahn
DE102009009862B4 (de) * 2009-02-20 2013-10-10 Paperchine Gmbh Verfahren und Anlage zum Aufbringen einer Suspension auf eine Materialbahn

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CA2148505C (fr) 2005-03-08
BR9307399A (pt) 1999-08-31
FI934890A (fi) 1994-05-07
CA2148505A1 (fr) 1994-05-26
FI96894C (fi) 1996-09-10
EP0682571A1 (fr) 1995-11-22
WO1994011116A1 (fr) 1994-05-26
AU5421794A (en) 1994-06-08
DE69323438T2 (de) 1999-06-24
FI934890A0 (fi) 1993-11-05
DE69323438D1 (de) 1999-03-18
FI96894B (fi) 1996-05-31

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