ZA834172B - Filter medium for filtering molten metals - Google Patents

Filter medium for filtering molten metals

Info

Publication number
ZA834172B
ZA834172B ZA834172A ZA834172A ZA834172B ZA 834172 B ZA834172 B ZA 834172B ZA 834172 A ZA834172 A ZA 834172A ZA 834172 A ZA834172 A ZA 834172A ZA 834172 B ZA834172 B ZA 834172B
Authority
ZA
South Africa
Prior art keywords
filter medium
molten metals
filtering molten
filtering
metals
Prior art date
Application number
ZA834172A
Other languages
English (en)
Inventor
Wolfhart Rieger
Ludwig Gauckler
Konrad Kampfer
Albert Maurer
Marco Dellapina
Volker Nobbe
Original Assignee
Alusuisse
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 Alusuisse filed Critical Alusuisse
Publication of ZA834172B publication Critical patent/ZA834172B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B01D39/2072—Other inorganic materials, e.g. ceramics the material being particulate or granular
    • B01D39/2075—Other inorganic materials, e.g. ceramics the material being particulate or granular sintered or bonded by inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/007—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof characterised by the pore distribution, e.g. inhomogeneous distribution of pores
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6562—Heating rate
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6565—Cooling rate
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32—Ceramic
    • C04B2237/34—Oxidic
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32—Ceramic
    • C04B2237/34—Oxidic
    • C04B2237/341—Silica or silicates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32—Ceramic
    • C04B2237/34—Oxidic
    • C04B2237/343—Alumina or aluminates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32—Ceramic
    • C04B2237/34—Oxidic
    • C04B2237/345—Refractory metal oxides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32—Ceramic
    • C04B2237/34—Oxidic
    • C04B2237/345—Refractory metal oxides
    • C04B2237/348—Zirconia, hafnia, zirconates or hafnates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32—Ceramic
    • C04B2237/36—Non-oxidic
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32—Ceramic
    • C04B2237/36—Non-oxidic
    • C04B2237/363—Carbon
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32—Ceramic
    • C04B2237/36—Non-oxidic
    • C04B2237/365—Silicon carbide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32—Ceramic
    • C04B2237/36—Non-oxidic
    • C04B2237/368—Silicon nitride
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32—Ceramic
    • C04B2237/38—Fiber or whisker reinforced
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
    • C04B2237/58—Forming a gradient in composition or in properties across the laminate or the joined articles
    • C04B2237/586—Forming a gradient in composition or in properties across the laminate or the joined articles by joining layers or articles of the same composition but having different densities
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
    • C04B2237/58—Forming a gradient in composition or in properties across the laminate or the joined articles
    • C04B2237/588—Forming a gradient in composition or in properties across the laminate or the joined articles by joining layers or articles of the same composition but having different particle or grain sizes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Manufacture And Refinement Of Metals (AREA)
ZA834172A 1982-06-10 1983-06-08 Filter medium for filtering molten metals ZA834172B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH358682 1982-06-10

Publications (1)

Publication Number Publication Date
ZA834172B true ZA834172B (en) 1984-03-28

Family

ID=4259184

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA834172A ZA834172B (en) 1982-06-10 1983-06-08 Filter medium for filtering molten metals

Country Status (7)

Country Link
US (1) US4528099A (no)
EP (1) EP0097114A3 (no)
JP (1) JPS594409A (no)
AU (1) AU564752B2 (no)
DE (1) DE3222162C2 (no)
NO (1) NO832071L (no)
ZA (1) ZA834172B (no)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3305445A1 (de) * 1983-02-11 1984-08-16 Schweizerische Aluminium Ag, Chippis Keramischer, mit poren versehener filterkoerper und ein verfahren zum herstellen desselben
US4772395A (en) * 1984-04-11 1988-09-20 Olin Corporation Silicon carbide coated porous filters
JPS61117182A (ja) * 1984-11-08 1986-06-04 株式会社ブリヂストン 多孔セラミツク構造物
DE3533924A1 (de) * 1985-09-24 1987-06-19 Schumacher Sche Fab Verwalt Filterkoerper und verfahren zu dessen herstellung
US5071457A (en) * 1985-11-25 1991-12-10 Industrial Filter & Pump Mfg. Co. Composite for filtering hot gas and method of its manufacture
US4629483A (en) * 1986-01-06 1986-12-16 Refractron Corp. Ceramic filter with plural layers of different porosity
JPH0747099B2 (ja) * 1986-08-20 1995-05-24 東芝セラミツクス株式会社 セラミツクフイルタ
FR2603497B1 (fr) * 1986-09-10 1991-10-04 Commissariat Energie Atomique Piege froid de purification des metaux liquides contenant des impuretes dissoutes
FI77162C (fi) * 1987-03-05 1989-02-10 Valmet Paper Machinery Inc Filterkonstruktion och foerfarande foer bildande av filterkonstruktion.
US4885263A (en) * 1987-03-23 1989-12-05 Swiss Aluminium Ltd. Ceramic foam filter and process for preparing same
NZ223964A (en) * 1987-04-03 1991-02-26 Comalco Alu Filter containing sintered ultrafine bauxite particles for use with fluids at high temperatures
EP0332789B1 (fr) * 1988-03-17 1994-02-23 Societe Des Ceramiques Techniques Membrane de filtration et procédé de fabrication
JPH0722666B2 (ja) * 1990-03-02 1995-03-15 日本碍子株式会社 アルミニウム溶湯用濾材
US5098583A (en) * 1990-06-04 1992-03-24 Ecc America Inc. Method for producing high solids slurries of clay water products
US5104540A (en) * 1990-06-22 1992-04-14 Corning Incorporated Coated molten metal filters
DE4130629A1 (de) * 1991-09-14 1993-03-18 Kloeckner Humboldt Deutz Ag Elektrisch regenerierbarer partikelfilter in modularer kerzenform
FR2729584B1 (fr) * 1995-01-25 1997-08-01 Tami Ind Support poreux inorganique pour membrane et procede de fabrication
AU2614799A (en) * 1997-12-24 1999-07-19 Shell Internationale Research Maatschappij B.V. Multiple layer monolithic structure and use thereof
FR2787469B1 (fr) * 1998-12-21 2001-02-16 Pechiney Aluminium Procede ameliore de filtration de metal liquide sur un lit de materiau particulaire refractaire
EP1288178A1 (en) * 2001-09-01 2003-03-05 Carbon Application Technology Ltd. Filter for molten metal filtration and method for producing such filters
EP1369190A1 (en) * 2002-06-03 2003-12-10 Carbon Application Technology Ltd. Filter device for molten metal filtration
US20060091070A1 (en) 2004-10-28 2006-05-04 Aufderheide Ronald C Filters made from chemical binders and microspheres
TW200719941A (en) * 2005-09-05 2007-06-01 Vesuvius Crucible Co Filter device for molten metal filtration and method for producing such filters
DE102006053155B4 (de) * 2006-11-10 2009-05-07 AS Lüngen GmbH Offenporiger Keramikschaum sowie dessen Verwendung
JP4682232B2 (ja) * 2008-08-04 2011-05-11 日本碍子株式会社 金属溶湯用濾材
US8365808B1 (en) 2012-05-17 2013-02-05 Almex USA, Inc. Process and apparatus for minimizing the potential for explosions in the direct chill casting of aluminum lithium alloys
US8479802B1 (en) 2012-05-17 2013-07-09 Almex USA, Inc. Apparatus for casting aluminum lithium alloys
US9796632B2 (en) * 2012-11-21 2017-10-24 Korea Institute Of Industrial Technology Method for manufacturing ceramic filter
EP3117931B1 (en) 2013-02-04 2020-10-21 Almex USA, Inc. Apparatus for minimizing the potential for explosions in the direct chill casting aluminum lithium alloys
US9936541B2 (en) 2013-11-23 2018-04-03 Almex USA, Inc. Alloy melting and holding furnace
CN107532849B (zh) 2015-02-18 2019-09-06 应达公司 用于活性金属和合金的电感应熔炼和保温炉
CN116196689A (zh) 2015-07-08 2023-06-02 恩特格里斯公司 高压过滤器
CN105237014B (zh) * 2015-11-06 2017-11-17 武汉科技大学 一种轻质微闭孔刚玉复相耐火材料及其制备方法
JP7218300B2 (ja) * 2017-04-17 2023-02-06 ベスビウス ユーエスエー コーポレイション 多孔質耐火材、その使用及び製造
CN112135701B (zh) * 2018-07-09 2022-07-19 株式会社普罗吉鲁 陶瓷过滤器及其制造方法
CN114182111B (zh) * 2022-01-05 2022-09-27 东北大学 一种从硅酸锆中提取氧化锆的方法

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DE961660C (de) * 1944-06-17 1957-04-11 Vaw Ver Aluminium Werke Ag Vorrichtung zum Filtrieren von Metallschmelzen
US3281238A (en) * 1963-11-13 1966-10-25 Aluminum Co Of America Treatment of molten aluminous metal
NO115046B (no) * 1966-12-24 1968-07-08 Norges Teknisk Naturvitenskape
US3524548A (en) * 1968-09-16 1970-08-18 Kaiser Aluminium Chem Corp Filter medium for molten metal
US3893917A (en) * 1974-01-02 1975-07-08 Alusuisse Molten metal filter
NO148381C (no) * 1975-03-28 1983-09-28 Alusuisse Keramisk skumfilter for filtrering av smeltet metall, fremgangsmaate for dets fremstilling samt anvendelse av filtret
US3981352A (en) * 1975-11-21 1976-09-21 Howmet Corporation Metal casting mold with bonded particle filter
CA1090587A (en) * 1976-02-02 1980-12-02 John C. Yarwood Apparatus and method for in-line degassing and filtration of molten metal
GB2042922B (en) * 1979-02-28 1983-09-28 Texaco Ltd Process for the production of exhaust gas filters
FR2463816A1 (fr) * 1979-08-24 1981-02-27 Servimetal Cartouche pour filtration active et traitement des metaux et alliages liquides
US4265659A (en) * 1979-10-09 1981-05-05 Swiss Aluminium Ltd. Molten metal filter
US4278544A (en) * 1980-03-26 1981-07-14 Aikoh, Co., Ltd. Filter medium for fluid
DE3173897D1 (en) * 1980-10-17 1986-04-03 Bridgestone Tire Co Ltd Exhaust filter device for collecting particulates in engine exhaust gases and method for its manufacture
US4330327A (en) * 1980-10-24 1982-05-18 Olin Corporation Disposable bed filter process and apparatus
US4330328A (en) * 1980-10-24 1982-05-18 Olin Corporation Process and apparatus for making a metal alloy
JPS6138911Y2 (no) * 1980-12-27 1986-11-08
US4343704A (en) * 1981-01-22 1982-08-10 Swiss Aluminium Ltd. Ceramic foam filter
US4381998A (en) * 1981-08-27 1983-05-03 U.S. Environmental Products, Inc. Rigid filter plate and process for manufacture of the same
DE3140098A1 (de) * 1981-10-06 1983-04-21 Schweizerische Aluminium AG, 3965 Chippis Filtermedium in form eines stabilen poroesen koerpers
US4395333A (en) * 1982-04-14 1983-07-26 Groteke Daniel E Pre-wet and reinforced molten metal filter

Also Published As

Publication number Publication date
EP0097114A2 (de) 1983-12-28
EP0097114A3 (de) 1985-04-17
US4528099A (en) 1985-07-09
DE3222162C2 (de) 1985-07-11
AU564752B2 (en) 1987-08-27
DE3222162A1 (de) 1983-12-15
NO832071L (no) 1983-12-12
JPS594409A (ja) 1984-01-11
AU1560583A (en) 1983-12-15

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