ES8609181A1 - Process for the manufacture of ceramic filters for metal melts - Google Patents

Process for the manufacture of ceramic filters for metal melts

Info

Publication number
ES8609181A1
ES8609181A1 ES542394A ES542394A ES8609181A1 ES 8609181 A1 ES8609181 A1 ES 8609181A1 ES 542394 A ES542394 A ES 542394A ES 542394 A ES542394 A ES 542394A ES 8609181 A1 ES8609181 A1 ES 8609181A1
Authority
ES
Spain
Prior art keywords
ceramic
slip
filters
metal melts
filtering
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
ES542394A
Other languages
Spanish (es)
Other versions
ES542394A0 (en
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.)
Alcan Holdings Switzerland AG
Original Assignee
Alusuisse Holdings AG
Schweizerische Aluminium 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
Priority claimed from US06/602,683 external-priority patent/US4803025A/en
Priority claimed from US06/654,391 external-priority patent/US4610832A/en
Application filed by Alusuisse Holdings AG, Schweizerische Aluminium AG filed Critical Alusuisse Holdings AG
Publication of ES542394A0 publication Critical patent/ES542394A0/en
Publication of ES8609181A1 publication Critical patent/ES8609181A1/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Abstract

Filter made of ceramic having an open cell foam structure manufactured by impregnating a polymerisation foam with a ceramic slip which comprises a phosphate agglutinating agent, by separating the excess slip by pressure, by drying and calcining the foam material at temperatures of 1660 degree C or higher or, in the case of the same process, applying a slip which contains gelatinised aluminium hydroxide and the calcination thereof at at least 1093 degree C. Ceramic filters having an open cell foam structure are obtained; in this case the ceramic material is essentially phosphate-free and the individual crystals of the ceramic are firmly joined together by sintering. The filters are used for the filtering of metal melts and especially for the filtering of iron and steel melts.
ES542394A 1984-04-23 1985-04-18 Process for the manufacture of ceramic filters for metal melts Expired ES8609181A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/602,683 US4803025A (en) 1984-04-23 1984-04-23 Ceramic foam
US06/654,391 US4610832A (en) 1984-09-26 1984-09-26 Process for preparing a ceramic foam

Publications (2)

Publication Number Publication Date
ES542394A0 ES542394A0 (en) 1986-09-01
ES8609181A1 true ES8609181A1 (en) 1986-09-01

Family

ID=27084214

Family Applications (1)

Application Number Title Priority Date Filing Date
ES542394A Expired ES8609181A1 (en) 1984-04-23 1985-04-18 Process for the manufacture of ceramic filters for metal melts

Country Status (7)

Country Link
AT (1) ATE72138T1 (en)
CS (1) CS274260B2 (en)
DE (1) DE3585298D1 (en)
ES (1) ES8609181A1 (en)
GR (1) GR850851B (en)
NO (1) NO164883C (en)
RO (1) RO93875B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY138532A (en) * 2000-08-31 2009-06-30 Foseco Int Refractory articles

Also Published As

Publication number Publication date
CS274260B2 (en) 1991-04-11
CS296785A2 (en) 1990-09-12
GR850851B (en) 1985-05-23
RO93875B (en) 1988-03-01
ATE72138T1 (en) 1992-02-15
NO164883B (en) 1990-08-20
NO851573L (en) 1985-10-24
ES542394A0 (en) 1986-09-01
DE3585298D1 (en) 1992-03-12
NO164883C (en) 1990-11-28
RO93875A (en) 1988-02-29

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970519