EP0150298A3 - Method of firing enamel on steel articles, particularly steel sheets and enameling furnace therefor - Google Patents

Method of firing enamel on steel articles, particularly steel sheets and enameling furnace therefor Download PDF

Info

Publication number
EP0150298A3
EP0150298A3 EP84113934A EP84113934A EP0150298A3 EP 0150298 A3 EP0150298 A3 EP 0150298A3 EP 84113934 A EP84113934 A EP 84113934A EP 84113934 A EP84113934 A EP 84113934A EP 0150298 A3 EP0150298 A3 EP 0150298A3
Authority
EP
European Patent Office
Prior art keywords
steel
zone
enamel
baking temperature
temperature
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.)
Withdrawn
Application number
EP84113934A
Other languages
German (de)
French (fr)
Other versions
EP0150298A2 (en
Inventor
Heinrich Warnke
Friedel Kaup
Bernhard Dr.-Ing. Bersch
Willi Mertinkat
Ulrich Dr.-Ing. Tenhaven
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.)
Fried Krupp AG Hoesch Krupp
Miele und Cie KG
Original Assignee
Hoesch AG
Miele und Cie KG
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 Hoesch AG, Miele und Cie KG filed Critical Hoesch AG
Publication of EP0150298A2 publication Critical patent/EP0150298A2/en
Publication of EP0150298A3 publication Critical patent/EP0150298A3/en
Withdrawn legal-status Critical Current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
    • C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
    • C23D9/00—Ovens specially adapted for firing enamels
    • 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
    • C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
    • C23D9/00—Ovens specially adapted for firing enamels
    • C23D9/04—Non-electric tunnel ovens

Abstract

Die Erfindung betrifft ein Verfahren zum Einbrennen von Email auf Stahlteilen, insbesondere auf Stahlblech aus aluminiumberuhigtem Stahlstranggußmaterial sowie einen Emaillierofen mit einer Brennzone und einer als Vorwärm­ zone dienende Einlaufzone für die Durchführung dieses Verfahrens. Die Erfindung ist dadurch gekennzeichnet, daß das Aufheizen des Stahlteiles bzw. Stahlbleches auf die Einbrenntemperatur vor Erreichen der Einbrenntemperatur unterbrochen, im Stahl gelöster Wasserstoff während der Unterbrechungszeit effundieren gelassen wird, das Stahlteil anschließend weiter auf die Einbrenntemperatur aufge­ heizt, bei dieser Temperatur gehalten und in bekannter Weise abgekühlt wird. Der Emaillierofen zur Durchführung des Verfahrens besteht gemäß der Erfindung darin, daß zwischen der Einbrennzone und der Vorwärmzone eine Entgasungszone zwischengeschaltet ist, in der die mit Email beschichteten Werkstücke eine bestimmte Mindest­ zeit bei einer bestimmten Temperatur gehalten werden. The invention relates to a method for stoving from enamel on steel parts, especially on sheet steel aluminum-soaked cast steel material and a Enamel furnace with one firing zone and one as preheating Zone serving inlet zone for the implementation of this Procedure. The invention is characterized in that heating the steel part or steel sheet to the Baking temperature before reaching the baking temperature interrupted, hydrogen dissolved in the steel during the Interruption time is allowed to infuse the steel part then further increased to the baking temperature heats, kept at this temperature and in known Way is cooled. The enamelling furnace for implementation the method according to the invention is that one between the stoving zone and the preheating zone Degassing zone is interposed, in which the Enamel coated workpieces have a certain minimum time at a certain temperature.

EP84113934A 1984-01-11 1984-11-17 Method of firing enamel on steel articles, particularly steel sheets and enameling furnace therefor Withdrawn EP0150298A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3400619 1984-01-11
DE3400619 1984-01-11

Publications (2)

Publication Number Publication Date
EP0150298A2 EP0150298A2 (en) 1985-08-07
EP0150298A3 true EP0150298A3 (en) 1987-11-11

Family

ID=6224612

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84113934A Withdrawn EP0150298A3 (en) 1984-01-11 1984-11-17 Method of firing enamel on steel articles, particularly steel sheets and enameling furnace therefor

Country Status (6)

Country Link
US (1) US4707385A (en)
EP (1) EP0150298A3 (en)
JP (1) JPS60221584A (en)
DE (1) DE3433054A1 (en)
ES (1) ES8609506A1 (en)
PT (1) PT79811B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE647407C (en) * 1934-12-01 1937-08-02 Hoeschi Koeln Neuessen Akt Ges Process for enamelling
US2572702A (en) * 1950-03-07 1951-10-23 United States Steel Corp Method of cooling enameled steel after firing
US2886463A (en) * 1956-07-31 1959-05-12 Allis Chalmers Mfg Co Method of enameling mild steel
US3258357A (en) * 1962-12-04 1966-06-28 Ferro Corp Method of porcelain enameling
FR2154604A1 (en) * 1971-09-29 1973-05-11 Voest Ag

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR929700A (en) * 1942-01-30 1948-01-05 Process for removing hydrogen from steel
US2455331A (en) * 1944-10-24 1948-11-30 Joseph C Eckel Method of enameling
US2532640A (en) * 1946-08-24 1950-12-05 Gen Motors Corp Process of enameling
GB624967A (en) * 1946-08-24 1949-06-20 Gen Motors Corp Improved enamelling process
FR965717A (en) * 1947-05-07 1950-09-20
US2677625A (en) * 1951-02-15 1954-05-04 United States Steel Corp Flat rolled ferrous metal for vitreous enameling
US2754222A (en) * 1953-11-09 1956-07-10 Smith Corp A O Preparation of steel for glassing and resultant article
US2842458A (en) * 1954-05-28 1958-07-08 O Hommel Company Low temperature vitreous coatings for steel
DE1103711B (en) * 1956-07-31 1961-03-30 Allis Chalmers Mfg Co Process for pre-treating objects to be enamelled made of mild steel and subsequent enamelling
US2961337A (en) * 1958-10-08 1960-11-22 Ferro Corp Method of metal preparation for porcelain enameling
US3788874A (en) * 1971-11-29 1974-01-29 Sybron Corp Low porosity coating and method for producing same
BE783550A (en) * 1972-05-16 1972-11-16 Cockerill PROCESS FOR PREPARING A STEEL SHEET INTENDED FOR ENAMELING.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE647407C (en) * 1934-12-01 1937-08-02 Hoeschi Koeln Neuessen Akt Ges Process for enamelling
US2572702A (en) * 1950-03-07 1951-10-23 United States Steel Corp Method of cooling enameled steel after firing
US2886463A (en) * 1956-07-31 1959-05-12 Allis Chalmers Mfg Co Method of enameling mild steel
US3258357A (en) * 1962-12-04 1966-06-28 Ferro Corp Method of porcelain enameling
FR2154604A1 (en) * 1971-09-29 1973-05-11 Voest Ag

Also Published As

Publication number Publication date
PT79811B (en) 1986-09-15
PT79811A (en) 1985-02-01
DE3433054A1 (en) 1985-07-18
JPS60221584A (en) 1985-11-06
EP0150298A2 (en) 1985-08-07
ES539444A0 (en) 1986-09-01
ES8609506A1 (en) 1986-09-01
US4707385A (en) 1987-11-17

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Effective date: 19880512

RIN1 Information on inventor provided before grant (corrected)

Inventor name: BERSCH, BERNHARD, DR.-ING.

Inventor name: KAUP, FRIEDEL

Inventor name: MERTINKAT, WILLI

Inventor name: TENHAVEN, ULRICH, DR.-ING.

Inventor name: WARNKE, HEINRICH