AU624465B2 - Ceramic filter for the filtering of molten metals - Google Patents

Ceramic filter for the filtering of molten metals

Info

Publication number
AU624465B2
AU624465B2 AU47736/90A AU4773690A AU624465B2 AU 624465 B2 AU624465 B2 AU 624465B2 AU 47736/90 A AU47736/90 A AU 47736/90A AU 4773690 A AU4773690 A AU 4773690A AU 624465 B2 AU624465 B2 AU 624465B2
Authority
AU
Australia
Prior art keywords
filtering
ceramic filter
molten metals
molten
metals
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.)
Ceased
Application number
AU47736/90A
Other versions
AU4773690A (en
Inventor
Werner Kallisch
Rolf Rietzscher
Reiner Dr. Stotzel
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.)
Georg Fischer AG
Original Assignee
Georg Fischer 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4178808&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU624465(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Georg Fischer AG filed Critical Georg Fischer AG
Publication of AU4773690A publication Critical patent/AU4773690A/en
Application granted granted Critical
Publication of AU624465B2 publication Critical patent/AU624465B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/08Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/086Filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068Other inorganic materials, e.g. ceramics
    • B01D39/2093Ceramic foam
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/06Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
    • C04B38/0615Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances the burned-out substance being a monolitic element having approximately the same dimensions as the final article, e.g. a porous polyurethane sheet or a prepreg obtained by bonding together resin particles
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/02Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
    • C22B9/023By filtering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04Additives and treatments of the filtering material
    • B01D2239/0471Surface coating material
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00793Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling
AU47736/90A 1989-01-11 1990-01-05 Ceramic filter for the filtering of molten metals Ceased AU624465B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH80/89A CH679746A5 (en) 1989-01-11 1989-01-11
CH080/89 1989-01-11

Publications (2)

Publication Number Publication Date
AU4773690A AU4773690A (en) 1990-07-19
AU624465B2 true AU624465B2 (en) 1992-06-11

Family

ID=4178808

Family Applications (1)

Application Number Title Priority Date Filing Date
AU47736/90A Ceased AU624465B2 (en) 1989-01-11 1990-01-05 Ceramic filter for the filtering of molten metals

Country Status (25)

Country Link
JP (1) JPH02229515A (en)
KR (1) KR900011502A (en)
AR (1) AR243093A1 (en)
AT (1) AT396875B (en)
AU (1) AU624465B2 (en)
BE (1) BE1002969A5 (en)
BR (1) BR9000098A (en)
CA (1) CA2007450A1 (en)
CH (1) CH679746A5 (en)
DD (1) DD291480A5 (en)
DK (1) DK6290A (en)
ES (1) ES2019014A6 (en)
FI (1) FI900143A (en)
FR (1) FR2641475B1 (en)
GB (1) GB2227185B (en)
HU (1) HU900107D0 (en)
IL (1) IL92973A0 (en)
IT (1) IT1238156B (en)
MX (1) MX173465B (en)
NL (1) NL9000009A (en)
NO (1) NO175874C (en)
PT (1) PT92846A (en)
SE (1) SE9000055L (en)
YU (1) YU250189A (en)
ZA (1) ZA90198B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5104540A (en) * 1990-06-22 1992-04-14 Corning Incorporated Coated molten metal filters
JP3438382B2 (en) * 1995-02-08 2003-08-18 株式会社ブリヂストン High temperature ceramic filter
MY138532A (en) 2000-08-31 2009-06-30 Foseco Int Refractory articles
WO2003057930A1 (en) * 2001-12-28 2003-07-17 Eckert C Edward Filter media and method using the filter media for treating molten aluminium
KR101484555B1 (en) * 2010-03-19 2015-01-20 포세코 인터내셔널 리미티드 Method for the production of a refractory filter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436538A (en) * 1981-04-22 1984-03-13 Nippon Soken, Inc. Filter for cleaning exhaust gases from diesel engine
US4523935A (en) * 1981-08-03 1985-06-18 Nippon Soken, Inc. Electrical heater retained in a porous ceramic structure
US4713180A (en) * 1984-02-15 1987-12-15 Georg Fischer Aktiengesellschaft Ceramic filter and method for using same

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO148381C (en) * 1975-03-28 1983-09-28 Alusuisse CERAMIC FOAM FILTER FOR MILT METAL FILTERING, PROCEDURE FOR ITS MANUFACTURING AND APPLICATION OF THE FILTER
GB1537549A (en) * 1975-06-23 1978-12-29 Alusuisse Methods of preparing ceramic foam materials
JPS5913887B2 (en) * 1979-10-30 1984-04-02 株式会社ブリヂストン Filter material for molten metal
US4343704A (en) * 1981-01-22 1982-08-10 Swiss Aluminium Ltd. Ceramic foam filter
US4331621A (en) * 1981-03-19 1982-05-25 Swiss Aluminium Ltd. Method for bonding a gasket seal to surface of ceramic foam filter
IT1151368B (en) * 1981-03-27 1986-12-17 Fischer Ag Georg CERAMIC FILTER, PROCEDURE FOR ITS MANUFACTURE, AS WELL AS USE OF THE FILTER
US4697632A (en) * 1982-06-11 1987-10-06 Howmet Turbine Components Corporation Ceramic porous bodies suitable for use with superalloys
GB2149771B (en) * 1983-11-14 1987-02-04 Jeffrey Rogers Morris Ceramic structure
EP0126847A1 (en) * 1984-02-17 1984-12-05 Georg Fischer Aktiengesellschaft Ceramic filter
US4708740A (en) * 1984-04-11 1987-11-24 Olin Corporation Technique for forming silicon carbide coated porous filters
US4772395A (en) * 1984-04-11 1988-09-20 Olin Corporation Silicon carbide coated porous filters
EP0159963B1 (en) * 1984-04-23 1992-01-29 Alusuisse-Lonza Services Ag Ceramic filter with an open cells foam structure
EP0254557A3 (en) * 1986-07-22 1988-09-21 Nippondenso Co., Ltd. A porous structure and a process for production thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436538A (en) * 1981-04-22 1984-03-13 Nippon Soken, Inc. Filter for cleaning exhaust gases from diesel engine
US4523935A (en) * 1981-08-03 1985-06-18 Nippon Soken, Inc. Electrical heater retained in a porous ceramic structure
US4713180A (en) * 1984-02-15 1987-12-15 Georg Fischer Aktiengesellschaft Ceramic filter and method for using same

Also Published As

Publication number Publication date
BE1002969A5 (en) 1991-10-08
GB9000617D0 (en) 1990-03-14
DK6290D0 (en) 1990-01-10
CA2007450A1 (en) 1990-07-11
CH679746A5 (en) 1992-04-15
ZA90198B (en) 1990-10-31
NO900129D0 (en) 1990-01-10
SE9000055L (en) 1990-07-12
ES2019014A6 (en) 1991-05-16
DD291480A5 (en) 1991-07-04
YU250189A (en) 1990-12-31
NO175874C (en) 1994-12-21
GB2227185A (en) 1990-07-25
DK6290A (en) 1990-07-12
FI900143A0 (en) 1990-01-10
AU4773690A (en) 1990-07-19
HU900107D0 (en) 1990-05-28
JPH02229515A (en) 1990-09-12
NO175874B (en) 1994-09-12
NO900129L (en) 1990-07-12
PT92846A (en) 1990-07-31
FR2641475A1 (en) 1990-07-13
FI900143A (en) 1990-07-12
IT9019040A1 (en) 1990-07-12
GB2227185B (en) 1993-03-10
KR900011502A (en) 1990-08-01
AR243093A1 (en) 1993-07-30
BR9000098A (en) 1991-10-08
FR2641475B1 (en) 1992-09-18
IT9019040A0 (en) 1990-01-10
NL9000009A (en) 1990-08-01
MX173465B (en) 1994-03-07
ATA288689A (en) 1993-05-15
IL92973A0 (en) 1990-09-17
AT396875B (en) 1993-12-27
IT1238156B (en) 1993-07-09

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