EP0108887B1 - Vorrichtung zum gleichmässigen Auftragen von fliessfähigen Medien - Google Patents

Vorrichtung zum gleichmässigen Auftragen von fliessfähigen Medien Download PDF

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Publication number
EP0108887B1
EP0108887B1 EP19830109170 EP83109170A EP0108887B1 EP 0108887 B1 EP0108887 B1 EP 0108887B1 EP 19830109170 EP19830109170 EP 19830109170 EP 83109170 A EP83109170 A EP 83109170A EP 0108887 B1 EP0108887 B1 EP 0108887B1
Authority
EP
European Patent Office
Prior art keywords
toothed
housing
toothed rolls
constructed
rolls
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
Application number
EP19830109170
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0108887A2 (de
EP0108887A3 (en
Inventor
Johannes Zimmer
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.)
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
Application filed by Individual filed Critical Individual
Publication of EP0108887A2 publication Critical patent/EP0108887A2/de
Publication of EP0108887A3 publication Critical patent/EP0108887A3/de
Application granted granted Critical
Publication of EP0108887B1 publication Critical patent/EP0108887B1/de
Expired legal-status Critical Current

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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
    • 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
    • B05C5/0254—Coating heads with slot-shaped outlet
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/08—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating from outlets being in, or almost in, contact with the textile material
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B11/00—Treatment of selected parts of textile materials, e.g. partial dyeing
    • D06B11/0056—Treatment of selected parts of textile materials, e.g. partial dyeing of fabrics
    • D06B11/0063—Treatment of selected parts of textile materials, e.g. partial dyeing of fabrics by pouring
    • 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
    • B05C1/10—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 liquid or other fluent material being supplied from inside the roller

Definitions

  • the invention relates to a device for the uniform application of flowable media, possibly via a template, to a carrier or to a web, the displacement channel for the medium being preceded by a positive displacement pump arrangement with number rollers
  • the object of the present invention is to find an improved device for the uniform application of flowable media.
  • the positive-displacement pump arrangement has two toothed rollers floating in a housing and that the toothed rollers are movable until they come into contact with the inner wall.
  • the invention makes it possible to supply a flowable medium completely uniformly over very large working widths to the outlet channel for the medium.
  • the toothed rollers can be arranged very close to the outlet channel - and the ink residues at the end, e.g. of a printing process, are relatively small and are hardly significant.
  • the device is very simple, very reliable and not prone to failure.
  • Fig. 1 shows the device according to the invention in the idle state
  • Fig. 2 shows the device according to the invention in operation
  • Fig. 3 is a training form of the outlet channel as well.
  • Fig. 4 shows a detail of Fig. 4 in a section along the line AB, but only a part is shown
  • FIGS. 6 to 8 show different embodiments of the trailing edges of the outlet nozzle.
  • the device according to the invention consists of a housing 1, in which there is a recess 2. Two toothed rollers 3, 4 are arranged in this recess 2. These toothed rollers 3, 4 are in engagement with one another.
  • the two toothed rollers 3, 4 are arranged floating or flying in the recess 2, i.e. they can move in the radial direction within the housing. At least one of the toothed rollers 3 and 4 is connected at least at one end to a drive system (not shown) with axial play. In the idle state, the two toothed rollers 3, 4 lie on the lower part of the inner surface of the recess 2 at points 5 and 6 due to their gravity, as can be seen in FIG. 1.
  • the device according to the invention is put into operation, i.e. at least one of the toothed rollers 3 or 4 is driven and the housing is filled with the flowable medium 7, e.g. a printing ink
  • the two toothed rollers 3, 4 convey the filled medium into the space 9, which is delimited by the lower part 10 of the inner wall 2 and the two toothed rollers 3, 4, upon rotation in the direction of the arrows 8.
  • a pressure is now built up in this space 9.
  • the lowermost part of the housing 1 is designed as a slot nozzle 19 which has an outlet channel 20 and an outlet opening 21.
  • the pressure building up in space 9 also acts in the outlet channel 20; this is symbolized by the arrow 14 and the flowable medium located in the outlet channel 20 is pressed out completely uniformly through the outlet opening 21.
  • the flowable medium is completely even in the pressure chamber conveyed so that there is a constant pressure in this room, which is passed on to the escaping medium over the entire working width.
  • the flowable medium is introduced into a web 23 via a template 22, the web 23 running over a counter pressure roller 24.
  • the template can also be omitted and that the flowable material can be applied directly to a web or else to another carrier, e.g. a plate, a profile body or the like., Can be applied.
  • the housing 1 itself displaceably and, if necessary, also adjustable in height. This is symbolized by the double arrow 25.
  • the inner surfaces of the housing 1 each surround part of the toothed rollers 3, 4 with play. It is advantageous if these surrounding inner surfaces of the housing are provided in the shape of a circular cylinder and their diameter is only slightly larger than the diameter of the respective toothed roller 3 or 4.
  • the flowable medium is formed by a foam, it is advantageous to divide the pressure space formed by the space 9 and the outlet channel 20 into chambers, as is shown in FIGS. 3 and 4.
  • Many types of foam require very gentle treatment, otherwise they will collapse or be changed in their structure and then no longer meet the requirements.
  • the outlet channel 20 is provided with a chamber 26 in the form of a circular cylinder.
  • This chamber 26 also completely compensates for the smallest pressure differences, so that no problems or irregularities occur when the foam exits into a web or onto a carrier.
  • the chamber 26 shown in FIGS. 3 and 4 has a circular cylindrical cross section. However, it is possible to design this cross-section differently and it is also possible to provide several, possibly smaller, chambers in succession.
  • the chambers 26 can be accessible from one or both ends in order to introduce a cleaning device which at the same time also cleans the connection between the chamber 26 and the space 9 or between the chamber 26 and the outlet by means of extensions.
  • the outlet opening 21 specifically, e.g. as shown in FIG. 5.
  • one of the side walls 27 or both is provided with grooves 28, so that a sequence of individual channels with a very small cross section is formed in the outlet opening 21.
  • By attaching the grooves it is possible to make all of these channels completely identical and to provide them at a precisely prescribed distance.
  • Another possibility is to insert a film with creases into the outlet opening 21, the channels just described also being formed.
  • Measures can be taken to close part of the channels and thus adapt the working width of the device according to the requirements.
  • a slide can be inserted into chamber 26.
  • This slide is designed in FIG. 4 as a tube 29 which has openings 30 so that an excess flowable medium can enter the interior of the tube 29 via these openings.
  • This tube is closed on one side and connected to a connection on the other side. This makes it possible to discharge excess, liquid medium on the device, which is particularly important at those points where the outlet channels are blocked. If the excess flowable medium were not removed, there is a risk of a very rapid build-up of pressure, which is noticeably noticeable at the open exit points and in other ways.
  • FIG. 6 shows different embodiments of the outlet edges of the outlet nozzle.
  • the rear boundary wall of the outlet opening 21 in the direction of movement of the web is at a certain distance from the web, whereas the other boundary wall is elongated, is spherical and extends close to the surface of the web.
  • the rear boundary wall of the outlet gap is provided with a lip 31 and in Fig. 8 an elastic lip 32 is attached to the rear boundary wall.
  • the invention is not restricted to the exemplary embodiments shown. So it is possible to provide the container for the flowable medium 7 outside the housing 1, the two toothed rollers do not necessarily have the same diameter. Depending on the desired output that is to be delivered by the two toothed rollers, the teeth of these rollers can be selected. A relatively coarse but also a very fine tooth pitch can be used in the device according to the invention.
  • the invention of the earth can be used in connection with stencils, both with flat stencils and with round stencils, and it can be used to treat carriers and material webs of any kind with any flowable medium;
  • the device according to the invention can be used in textile printing, but also for applying colorations, for applying adhesives, impregnations, patterns and the like.
  • the device according to the invention can be used in any spatial position or in any application direction. Especially with one Application from bottom to top, it is often favorable to apply the principle of the communicating vessels, the medium to be applied being pressed against the toothed rollers 3 by adjusting a vessel located outside the device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Coating Apparatus (AREA)
  • Screen Printers (AREA)
EP19830109170 1982-10-07 1983-09-16 Vorrichtung zum gleichmässigen Auftragen von fliessfähigen Medien Expired EP0108887B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT3717/82 1982-10-07
AT371782A AT376175B (de) 1982-10-07 1982-10-07 Vorrichtung zum gleichmaessigen auftragen von fliessfaehigen medien

Publications (3)

Publication Number Publication Date
EP0108887A2 EP0108887A2 (de) 1984-05-23
EP0108887A3 EP0108887A3 (en) 1985-10-09
EP0108887B1 true EP0108887B1 (de) 1988-03-23

Family

ID=3554423

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830109170 Expired EP0108887B1 (de) 1982-10-07 1983-09-16 Vorrichtung zum gleichmässigen Auftragen von fliessfähigen Medien

Country Status (4)

Country Link
EP (1) EP0108887B1 (fi)
JP (1) JPS59171654A (fi)
AT (1) AT376175B (fi)
DE (1) DE3376077D1 (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4640222A (en) * 1985-05-23 1987-02-03 Gerber Scientific Inc. Marking apparatus
US4624213A (en) * 1985-08-27 1986-11-25 Armstrong World Industries, Inc. Curtain coating apparatus and method of use
AT392985B (de) * 1985-11-18 1991-07-25 Zimmer Johannes Verfahren und einrichtung zur abgabe eines gleichmaessigen filmes oder einer schicht
JPS6371350A (ja) * 1986-09-12 1988-03-31 Matsushita Electric Ind Co Ltd ロ−タリ−スクリ−ン印刷方法
JPS6371349A (ja) * 1986-09-12 1988-03-31 Matsushita Electric Ind Co Ltd ロ−タリ−スクリ−ン印刷方法
JPS63111055A (ja) * 1986-10-29 1988-05-16 Matsushita Electric Ind Co Ltd ロ−タリ−スクリ−ン印刷装置
WO1991016998A1 (en) * 1990-04-27 1991-11-14 Hitachi Maxell, Ltd. Method and device for applying liquid
DE4441805A1 (de) * 1994-11-24 1996-05-30 Fleissner Maschf Gmbh Co Vorrichtung zum gleichmäßigen Auftragen einer minimalen Menge eines Behandlungsfluids auf eine textile Warenbahn
DE29622341U1 (de) * 1996-12-23 1997-04-03 Nordson Corp., Westlake, Ohio Vorrichtung zum Auftragen von fließfähigem Material auf ein Substrat, insbesondere zum intermittierenden Auftragen von flüssigem Klebstoff
EP1334821B1 (de) * 2002-01-22 2006-11-22 Thermopal GmbH Verfahren und Vorrichtung zum Imprägnieren von dünnen Schichten mit härtbaren Flüssigkeiten
JP6790373B2 (ja) * 2016-02-05 2020-11-25 富士電機株式会社 印刷装置、印刷用工具および印刷方法
CN107931031B (zh) * 2017-12-15 2019-12-03 李秀云 一种柜体色漆平涂器及其涂漆流向控制系统
CN108906495B (zh) * 2018-09-11 2020-01-03 盐城威布三维科技有限公司 一种热塑性塑料板用滚筒式涂胶机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474254A (en) * 1946-11-18 1949-06-28 Leroy A Kauffman Machine for impregnating material with liquids
US2753794A (en) * 1951-06-15 1956-07-10 Chambon Ltd Squeegees for screen and stencil printing
US3071069A (en) * 1961-03-14 1963-01-01 Dry Screen Process Inc Screen printing apparatus
AT314459B (de) * 1971-12-06 1974-04-10 Zimmer Peter Verfahren zum Färben oder Bedrucken von Warenbahnen
ATA320679A (de) * 1979-04-27 1984-05-15 Zimmer Johannes Spaltrakel
DE2929699C2 (de) * 1979-07-21 1984-06-14 Mathias 4815 Schloss Holte Mitter Vorrichtung zum Auftragen von Farbe o.dgl. in einer Siebdruckmaschine oder ähnlichen Maschine

Also Published As

Publication number Publication date
JPS59171654A (ja) 1984-09-28
JPH0226862B2 (fi) 1990-06-13
EP0108887A2 (de) 1984-05-23
EP0108887A3 (en) 1985-10-09
AT376175B (de) 1984-10-25
ATA371782A (de) 1984-03-15
DE3376077D1 (en) 1988-04-28

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