DE69426357T2 - Device and method for checking the coating weight of a metal coating by means of blowing nozzles - Google Patents

Device and method for checking the coating weight of a metal coating by means of blowing nozzles

Info

Publication number
DE69426357T2
DE69426357T2 DE69426357T DE69426357T DE69426357T2 DE 69426357 T2 DE69426357 T2 DE 69426357T2 DE 69426357 T DE69426357 T DE 69426357T DE 69426357 T DE69426357 T DE 69426357T DE 69426357 T2 DE69426357 T2 DE 69426357T2
Authority
DE
Germany
Prior art keywords
coating
die
checking
adjust
opening
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 - Fee Related
Application number
DE69426357T
Other languages
German (de)
Other versions
DE69426357D1 (en
Inventor
Paul P Fontaine
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.)
Fontaine Engineering und Maschinen GmbH
Original Assignee
Fontaine Engineering und Maschinen GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8216114&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69426357(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fontaine Engineering und Maschinen GmbH filed Critical Fontaine Engineering und Maschinen GmbH
Publication of DE69426357D1 publication Critical patent/DE69426357D1/en
Application granted granted Critical
Publication of DE69426357T2 publication Critical patent/DE69426357T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
    • C23C2/18—Removing excess of molten coatings from elongated material
    • C23C2/20—Strips; Plates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating Apparatus (AREA)
  • Coating With Molten Metal (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

A gas wiping die is provided with a predetermined arrangement of cams (41) which act against a flexible lip (21) either directly or through intermediate push rods (31) or the like to adjust the opening of the wiping die orifice (29). The invention may involve several cam shafts (43) which may be rotated by a so-called stepping motor or motors. The arrangement allows a smooth progression of changes in the opening and camber of the coating die gas orifice slot. Various contours of cam shaft may be provided to provide easily implemented programs of die adjustment, either smoothly or discretely, to adjust for variations in coating conditions or procedure. <MATH>
DE69426357T 1994-07-14 1994-07-14 Device and method for checking the coating weight of a metal coating by means of blowing nozzles Expired - Fee Related DE69426357T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94110948A EP0692549B1 (en) 1994-07-14 1994-07-14 Apparatus and method for control of metallic coating-weight by the use of gas knives

Publications (2)

Publication Number Publication Date
DE69426357D1 DE69426357D1 (en) 2001-01-04
DE69426357T2 true DE69426357T2 (en) 2001-04-05

Family

ID=8216114

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69426357T Expired - Fee Related DE69426357T2 (en) 1994-07-14 1994-07-14 Device and method for checking the coating weight of a metal coating by means of blowing nozzles

Country Status (6)

Country Link
EP (1) EP0692549B1 (en)
AT (1) ATE197822T1 (en)
DE (1) DE69426357T2 (en)
ES (1) ES2152958T3 (en)
GR (1) GR3035374T3 (en)
PT (1) PT692549E (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPO473297A0 (en) * 1997-01-22 1997-02-20 Industrial Automation Services Pty Ltd Coating thickness control
CN101583486B (en) 2006-10-30 2014-08-27 安赛乐米塔尔法国公司 Coated steel strips, methods of making the same, methods of using the same, stamping blanks prepared from the same, stamped products prepared from the same, and articles of manufacture which contains
CN104911524B (en) * 2015-07-10 2017-11-21 魏守军 Air knife on-line tuning method and air knife cutter hub are used in a kind of heat zinc coating plate production
CN115478240B (en) * 2022-08-30 2023-07-18 武汉钢铁有限公司 Air knife

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2090313B1 (en) * 1970-05-27 1974-04-26 Italsider Spa
DE2118253A1 (en) * 1971-04-15 1972-10-26 Demag Ag, 4100 Duisburg Method and device for regulating the air admission in coil coating systems
JPH0421752A (en) * 1990-05-16 1992-01-24 Kawasaki Steel Corp Variable injection port type wiping nozzle for hot dip galvanizing
JPH0559514A (en) * 1991-08-30 1993-03-09 Nisshin Steel Co Ltd Blowoff nozzle in continuous hot-dip coating
FR2690170B1 (en) * 1992-04-17 1995-03-31 Clecim Sa Air knife device for regulating a metallic deposit.

Also Published As

Publication number Publication date
DE69426357D1 (en) 2001-01-04
GR3035374T3 (en) 2001-05-31
ATE197822T1 (en) 2000-12-15
PT692549E (en) 2001-05-31
ES2152958T3 (en) 2001-02-16
EP0692549A1 (en) 1996-01-17
EP0692549B1 (en) 2000-11-29

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee