EP0139610B1 - Giesskopf für Vorhangguss - Google Patents

Giesskopf für Vorhangguss Download PDF

Info

Publication number
EP0139610B1
EP0139610B1 EP84810398A EP84810398A EP0139610B1 EP 0139610 B1 EP0139610 B1 EP 0139610B1 EP 84810398 A EP84810398 A EP 84810398A EP 84810398 A EP84810398 A EP 84810398A EP 0139610 B1 EP0139610 B1 EP 0139610B1
Authority
EP
European Patent Office
Prior art keywords
casting
base plate
die block
applicator head
shells
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
EP84810398A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0139610A1 (de
Inventor
Hanskonrad Zingg
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.)
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Priority to AT84810398T priority Critical patent/ATE23810T1/de
Publication of EP0139610A1 publication Critical patent/EP0139610A1/de
Application granted granted Critical
Publication of EP0139610B1 publication Critical patent/EP0139610B1/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
    • B05C5/005—Curtain coaters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S118/00—Coating apparatus
    • Y10S118/04—Curtain coater

Definitions

  • the invention relates to a casting head for curtain casting according to the preamble of claim 1.
  • a casting head of this type is known, for example, from publication DE-B-1 190 367.
  • Curtain casting is a widely used process for coating objects of all kinds.
  • a slotted caster is usually used for the application of lacquer coatings; this is a casting head with an adjustable casting gap at its lower end through which the coating compound emerges in doses and then sinks down from there onto the material to be coated in a freely falling curtain.
  • a known such casting head consists of two at its upper end hinged to each other jaws or shells, at the lower ends of which a knife-like bar is provided, which bars form the casting gap between them, the width or width of the casting gap by mutual approaching or removing the two casting bowls is regulated. To clean the pouring head, one of the two bowls can be folded up and the pouring head opened.
  • This well-known pouring head has several serious disadvantages.
  • the casting gap width must be reset after each opening of the casting head, which is critical and tedious and the result depends on the care of the operating personnel.
  • the gap width setting can only be locked in the direction of closing, there is no clear locking against unintentional opening of the casting gap.
  • the strips forming the pouring gap are only laboriously replaceable in the event of damage and then require a lengthy and time-consuming readjustment each time.
  • the length of the casting gap cannot be changed easily.
  • the known casting head has the disadvantage of moving sealing surfaces on the end faces. There are only ground sealing surfaces that often leak. Seeping varnish hardens and, if the pouring head is then difficult to open, easily damages the sanded surfaces.
  • the well-known casting head consists of a heavy chrome steel welded construction and is therefore relatively expensive to manufacture.
  • the object of the invention is therefore to improve a casting head of the type in question while avoiding the enumerated shortcomings of the known casting heads so that no adjustment of the casting gap after opening the head is necessary, that the casting gap can be easily changed, and that sealing problems largely be reduced.
  • the casting head according to the invention is explained in more detail below on the basis of an exemplary embodiment shown in the drawing.
  • the only drawing figure shows a vertical section through the pouring head.
  • the casting head shown is mounted in a frame G. It comprises a base plate 1, two casting head shells 2 and 3 and a casting ruler 4 with a casting gap 41.
  • the two shells 2 and 3 are provided on their mutually facing sides with recesses which together form two elongated distribution channels 21 and 22 which are connected to one another.
  • the two shells 2 and 3 are hinged to the base plate 1 by means of hinges 23 and 33 about axes 24 and 34 which are parallel to the longitudinal extension of the casting ruler 4, so that they therefore move from the vertical position shown, in which the casting head is closed, to a horizontal position can be unfolded. In this position, the casting head is open and the casting ruler 4, which is loosely arranged in a corresponding recess 12 in the base plate 1, can be removed from the casting head or the like. be replaced.
  • a sealing cord 35 is provided, which is inserted into a circumferential groove 36 in the sealing surface 37 of the shell 3.
  • the sealing against the casting ruler 4 takes place by means of a further sealing cord 45 in a circumferential groove 46 in the surface of the casting ruler 4.
  • the coating material is supplied via a line connection 5, which opens into the upper distribution channel 21 via an opening 31 in the right casting head shell 3.
  • the two casting head shells 2 and 3 are held together by clamps 6.
  • the casting ruler can be replaced quickly and effortlessly if it is defective or soiled, any adjustment being unnecessary, since the casting gap in the ruler is precisely predetermined.
  • the dimensions of the casting gap can easily be changed at any time by inserting an appropriate casting ruler. Since the sealing of the individual parts of the casting head does not take place on moving sealing surfaces, there are no sealing problems. Finally, the design of the pouring head is simple and inexpensive.

Landscapes

  • Coating Apparatus (AREA)
  • Materials For Medical Uses (AREA)
  • Paper (AREA)
EP84810398A 1983-08-19 1984-08-13 Giesskopf für Vorhangguss Expired EP0139610B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84810398T ATE23810T1 (de) 1983-08-19 1984-08-13 Giesskopf fuer vorhangguss.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4534/83 1983-08-19
CH453483 1983-08-19

Publications (2)

Publication Number Publication Date
EP0139610A1 EP0139610A1 (de) 1985-05-02
EP0139610B1 true EP0139610B1 (de) 1986-11-26

Family

ID=4277883

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84810398A Expired EP0139610B1 (de) 1983-08-19 1984-08-13 Giesskopf für Vorhangguss

Country Status (5)

Country Link
US (1) US4557217A (enrdf_load_html_response)
EP (1) EP0139610B1 (enrdf_load_html_response)
JP (1) JPS6061074A (enrdf_load_html_response)
AT (1) ATE23810T1 (enrdf_load_html_response)
DE (1) DE3461428D1 (enrdf_load_html_response)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4624213A (en) * 1985-08-27 1986-11-25 Armstrong World Industries, Inc. Curtain coating apparatus and method of use
US4874451A (en) * 1986-03-20 1989-10-17 Nordson Corporation Method of forming a disposable diaper with continuous/intermittent rows of adhesive
US4687137A (en) * 1986-03-20 1987-08-18 Nordson Corporation Continuous/intermittent adhesive dispensing apparatus
US4735169A (en) * 1986-09-03 1988-04-05 Nordson Corporation Adhesive applicator assembly
JPH0394975U (enrdf_load_html_response) * 1990-01-12 1991-09-27
US5421516A (en) * 1992-08-04 1995-06-06 Mitsubishi Alminum Kabushiki Kaisha Method and apparatus for coating a solution containing brazing alloy powders and coating head for the curtain coater
US6779746B2 (en) * 2002-08-20 2004-08-24 Terydon, Inc. Nozzle for use with high pressure fluid cutting systems having arcuate sides
US6814316B2 (en) * 2002-08-20 2004-11-09 Terydon, Inc. Two-piece nozzle assembly for use with high pressure fluid cutting systems and bushing for use therewith
JP4593947B2 (ja) * 2004-03-19 2010-12-08 キヤノン株式会社 成膜装置および成膜方法
WO2007106390A2 (en) 2006-03-10 2007-09-20 Amesbury Group, Inc Apparatus and method for manufacturing reinforced weatherstrip, and such a weatherstrip
US10329834B2 (en) 2015-02-13 2019-06-25 Amesbury Group, Inc. Low compression-force TPE weatherseals
CN108189292A (zh) * 2017-12-26 2018-06-22 天津万德高科环保科技有限公司 一种智能帘式膜浇注平台
IT202100011846A1 (it) * 2021-05-10 2022-11-10 Air Power Group S P A Dispositivo per l'apertura di una testata di velatura

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US733571A (en) * 1903-03-17 1903-07-14 James B Allen Nipple for linotype-machines.
CH354374A (de) * 1959-10-10 1961-05-15 Buerkle & Co Robert Flüssigkeitsbehälter mit Ausgussdüse zur Herstellung eines freifallenden Fliessvorhanges
DE1190367B (de) * 1960-03-25 1965-04-01 Robert Buerkle & Co Maschinenf Giesskopf fuer Lackauftrags-Giessmaschinen
US3832427A (en) * 1968-10-14 1974-08-27 Guthrie Ind Ltd Process for continuously forming a polymeric resinous layer from a multicomponent liquid reactive mixture
US3705693A (en) * 1971-07-16 1972-12-12 Norman Franz Means for sealing fittings and nozzle assemblies at extremely high fluid pressures
DE2236363B2 (de) * 1972-07-25 1979-12-06 Paul Troester Maschinenfabrik, 3000 Hannover Zweiteiliger offenbarer Breitspritzkopf für einen Schneckenextruder
US4075976A (en) * 1974-03-04 1978-02-28 A. Wiley Clayton Apparatus for curtain coating objects
US4131236A (en) * 1975-12-24 1978-12-26 The British Hydromechanics Research Association High velocity liquid jet cutting nozzle

Also Published As

Publication number Publication date
JPS6061074A (ja) 1985-04-08
EP0139610A1 (de) 1985-05-02
JPH0510151B2 (enrdf_load_html_response) 1993-02-08
US4557217A (en) 1985-12-10
ATE23810T1 (de) 1986-12-15
DE3461428D1 (en) 1987-01-15

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