DE552140C - Device for applying fluids or the like to webs of paper, fabric or similar materials - Google Patents
Device for applying fluids or the like to webs of paper, fabric or similar materialsInfo
- Publication number
- DE552140C DE552140C DEM99814D DEM0099814D DE552140C DE 552140 C DE552140 C DE 552140C DE M99814 D DEM99814 D DE M99814D DE M0099814 D DEM0099814 D DE M0099814D DE 552140 C DE552140 C DE 552140C
- Authority
- DE
- Germany
- Prior art keywords
- roller
- applicator roller
- web
- fabric
- 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
Links
Classifications
-
- 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
- D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
- D21H23/56—Rolls
- D21H23/58—Details thereof, e.g. surface characteristics, peripheral speed
- D21H23/62—Reverse roll coating, i.e. applicator roll surface moving in direction opposite to that of the paper
-
- 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
- B05C1/0834—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 the coating roller co-operating with other rollers, e.g. dosing, transfer rollers
-
- 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
- D21H5/00—Special paper or cardboard not otherwise provided for
- D21H5/0005—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating
- D21H5/0025—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating by contact with a device carrying the treating material
- D21H5/003—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating by contact with a device carrying the treating material with a roller
- D21H5/0032—Details thereof, e.g. surface characteristics, peripheral speed
- D21H5/0037—Reverse roll coating, e.g. applicator surface moving in direction opposite to that of paper
Landscapes
- Coating Apparatus (AREA)
Description
Bei den bekannten Vorrichtungen zum Auftragen von Flüssigkeiten u. dgl. auf Bahnen aus Papier, Gewebe und ähnlichen Stoffen hat man die mit der Flüssigkeitsschicht zu versehene Bahn zwischen zwei Walzen hindurchgeführt, die sich im gleichen oder entgegengesetzten Sinne zueinander drehen. Die eine dieser beiden Walzen, die sogenannte Auftragwalze, taucht in die aufzutragende Flüssigkeit und überträgt diese in einer mehr oder minder dünnen Schicht auf die vorbeigeführte Bahn. Die Stärke der aufgetragenen Flüssigkeitsschicht hängt erstens ab von dem ■'Flüssigkeitsgrade der Lösung und zweitens von der Geschwindigkeit, mit der sich die Bahn vorwärts bewegt. Die Einstellung der Schichthöhe geschieht daher durch entsprechende Wahl dieser beiden Faktoren. Die Auftragwalze bringt die Lösung im Uberschuß an die Bahn heran, und die gerade oder schräg nach oben geführte Bahn nimmt so viel von der Lösung mit, wie dem Flüssigkeitsgrad derselben und der Bahngeschwindigkeit entspricht. Damit genügend Zeit zum ausreichenden Ablauf des Überschusses vorhanden ist, darf sich namentlich bei dickflüssigen Lösungen die Bahn nur mit mäßiger Geschwindigkeit vorwärts bewegen.In the known devices for applying liquids and the like to webs made of paper, fabric and similar materials one has to provide the one with the liquid layer Web passed between two rollers that are in the same or opposite direction Rotate senses towards each other. One of these two rollers, the so-called applicator roller, dips into the liquid to be applied and transfers it in a more or less thin layer to the liquid that is passed by Train. The thickness of the applied liquid layer depends firstly on the degree of liquidity of the solution and secondly the speed at which the web is moving forward. The setting of the The layer height is therefore determined by the appropriate choice of these two factors. the Application roller brings the solution in excess to the web, and the straight or The upward trajectory takes as much of the solution with it as the degree of fluidity the same and corresponds to the web speed. So that there is enough time for sufficient If the excess is present, especially in the case of viscous solutions, the path may only move at a moderate speed move forward.
Gemäß der Erfindung werden die vorgenannten Nachteile beseitigt. Die Erfindung besteht darin, daß neben der in den Vorratsbehälter eintauchenden Auftragwalze eine sich gleichsinnig drehende Walze angeordnet ist, die je nach der Größe des Spaltes zwischen ihr und der Auftragwalze eine gleichmäßige Schichthöhe auf der letzteren erzeugt, die sodann durch die Auftragwalze auf die Bahn übertragen wird. Der zulaufende Teil der gleichsinnig mit der Auftragwalze umlaufenden Abstreifwalze wird dabei zweckmäßig durch einen Schaber'oder eine sonstige geeignete Vorrichtung dauernd rein gehalten.According to the invention, the aforementioned disadvantages are eliminated. The invention is that in addition to the immersed in the reservoir applicator roller co-rotating roller is arranged, depending on the size of the gap between you and the applicator roller a uniform Layer height is generated on the latter, which is then applied to the web by the applicator roller is transmitted. The tapering part of the rotating in the same direction as the applicator roller The stripping roller is expediently by means of a scraper or some other suitable one Device kept clean all the time.
In der Zeichnung ist der Erfindungsgegenstand schematisch dargestellt. +5 Die mit der Flüssigkeitsschicht zu versehende Bahn £ wird über eine Gegenwalze B, welche aus elastischem Material, wie Gummi o. dgl., besteht, geführt. Die Walze A dient als Auftragwalze. Sie taucht in den Vorratsbehälter für die aufzutragende Flüssigkeit ein und nimmt bei ihrer Drehung stets einen bestimmten Teil dieser Flüssigkeit mit. Da die Auftragwalze A gegen die Bahn E gedrückt wird und entgegengesetzt zu deren Bewegungsrichtung umläuft, wird die mitgenommene Flüssigkeitsmenge auf die Bahn übertragen. Neben der Auftragwalze A ist parallel zu dieser eine im gleichen Sinne umlaufende Walze C angeordnet. Der Abstand dieser beiden Walzen ist einstellbar. Die Walze C streift die überschüssige Menge der von der Walzet bei ihrer Drehung mitgenommenen Flüssigkeit ab. Je nach der Größe des Spaltes zwischen den beiden Walzen C und A wird also von der Auf tragwalze A eine stets gleichbleibende, aber mehr oder minder große Schicht der aufzutragenden Flüssigkeit auf die Bahn B übertragen. Der zulaufende Teil der Walze C wird durch einen besonderen Schaber D dauernd rein gehalten.The subject of the invention is shown schematically in the drawing. +5 The web £ to be provided with the liquid layer is guided over a counter roller B, which is made of elastic material such as rubber or the like. The roller A serves as an applicator roller. It dips into the reservoir for the liquid to be applied and always takes a certain part of this liquid with it when it rotates. Since the applicator roller A is pressed against the web E and rotates in the opposite direction to its direction of movement, the amount of liquid carried along is transferred to the web. In addition to the applicator roller A , a roller C rotating in the same direction is arranged parallel to it. The distance between these two rollers is adjustable. The roller C wipes off the excess amount of the liquid entrained by the roller set as it rotates. Depending on the size of the gap between the two rollers C and A , an always constant, but more or less large layer of the liquid to be applied is transferred to the web B from the roller A on. The tapering part of the roller C is kept clean at all times by a special scraper D.
Mit der beschriebenen Einrichtung können bei angepaßter Einhaltung der Umlaufgeschwindigkeit der Walzen Flüssigkeiten beliebiger Art in jeder gewünschten Schichthöhe auf die Bahn übertragen werden.With the device described, with adapted compliance with the rotational speed the rollers liquids of any kind are transferred to the web at any desired layer height.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEM99814D DE552140C (en) | Device for applying fluids or the like to webs of paper, fabric or similar materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEM99814D DE552140C (en) | Device for applying fluids or the like to webs of paper, fabric or similar materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE552140C true DE552140C (en) | 1932-06-09 |
Family
ID=7324159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEM99814D Expired DE552140C (en) | Device for applying fluids or the like to webs of paper, fabric or similar materials |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE552140C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1166667B (en) * | 1955-11-29 | 1964-03-26 | Robert Buerkle & Co Maschinenf | Device for applying and smoothing of filler or the like. |
| DE1940665A1 (en) * | 1969-08-09 | 1971-02-18 | Salzgitter Huettenwerk Ag | Method and device for roller coating of metal strip with coating material, in particular with highly viscous and poorly wetting materials |
| FR2345223A1 (en) * | 1976-03-23 | 1977-10-21 | Polychrome Corp | APPARATUS FOR APPLYING A LIQUID TO A NON-POROUS TAPE |
-
0
- DE DEM99814D patent/DE552140C/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1166667B (en) * | 1955-11-29 | 1964-03-26 | Robert Buerkle & Co Maschinenf | Device for applying and smoothing of filler or the like. |
| DE1940665A1 (en) * | 1969-08-09 | 1971-02-18 | Salzgitter Huettenwerk Ag | Method and device for roller coating of metal strip with coating material, in particular with highly viscous and poorly wetting materials |
| FR2345223A1 (en) * | 1976-03-23 | 1977-10-21 | Polychrome Corp | APPARATUS FOR APPLYING A LIQUID TO A NON-POROUS TAPE |
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