FR2625495A1 - Traitement prealable de refractaires coules a l'etat fondu - Google Patents

Traitement prealable de refractaires coules a l'etat fondu Download PDF

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Publication number
FR2625495A1
FR2625495A1 FR8816801A FR8816801A FR2625495A1 FR 2625495 A1 FR2625495 A1 FR 2625495A1 FR 8816801 A FR8816801 A FR 8816801A FR 8816801 A FR8816801 A FR 8816801A FR 2625495 A1 FR2625495 A1 FR 2625495A1
Authority
FR
France
Prior art keywords
refractory material
pressure
refractory
ceramic
atmospheric pressure
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.)
Pending
Application number
FR8816801A
Other languages
English (en)
French (fr)
Inventor
Gerald Erasmus Kunkle
George Anthony Pecoraro
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.)
PPG Industries Inc
Original Assignee
PPG Industries Inc
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 PPG Industries Inc filed Critical PPG Industries Inc
Publication of FR2625495A1 publication Critical patent/FR2625495A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
    • C04B35/484—Refractories by fusion casting

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
FR8816801A 1987-12-28 1988-12-20 Traitement prealable de refractaires coules a l'etat fondu Pending FR2625495A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/138,748 US4838919A (en) 1987-12-28 1987-12-28 Pretreatment of fused cast refractories

Publications (1)

Publication Number Publication Date
FR2625495A1 true FR2625495A1 (fr) 1989-07-07

Family

ID=22483454

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8816801A Pending FR2625495A1 (fr) 1987-12-28 1988-12-20 Traitement prealable de refractaires coules a l'etat fondu

Country Status (4)

Country Link
US (1) US4838919A (en:Method)
JP (1) JPH01215764A (en:Method)
DE (1) DE3842680A1 (en:Method)
FR (1) FR2625495A1 (en:Method)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USH1259H (en) 1990-09-28 1993-12-07 Aggarwal Ishwar D Large fluoride glass preform fabrication
US6121998A (en) * 1992-02-19 2000-09-19 8×8, Inc. Apparatus and method for videocommunicating having programmable architecture permitting data revisions
US6405564B1 (en) * 1997-10-06 2002-06-18 Asahi Glass Company Ltd. Vacuum degassing apparatus for molten glass
US6119484A (en) * 1997-10-06 2000-09-19 Asahi Glass Company Ltd. Vacuum degassing apparatus for molten glass
US6854290B2 (en) * 2001-07-18 2005-02-15 Corning Incorporated Method for controlling foam production in reduced pressure fining
KR100922088B1 (ko) * 2005-07-26 2009-10-16 아사히 가라스 가부시키가이샤 백금 또는 백금 합금제 중공관의 백업 구조
JP4682095B2 (ja) * 2006-06-26 2011-05-11 日本炉機工業株式会社 遺骨灰焼成体の製造方法
JP5022200B2 (ja) * 2007-12-05 2012-09-12 日本炉機工業株式会社 石化遺骨灰の製造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875556A (en) * 1953-07-31 1959-03-03 Vig Corp Apparatus for molding refractory materials
DE2134483A1 (de) * 1970-07-13 1972-01-20 Montedison Spa Verfahren zur thermischen Behandlung von durch Elektroschmelze erzeugten feuerfesten Materialien
DE2738974A1 (de) * 1976-09-01 1978-03-02 Corning Glass Works Feuerfeste zusammensetzungen und gegenstaende auf aluminium-zirkon-siliziumoxidgrundlage
EP0021981A1 (fr) * 1979-06-18 1981-01-07 Le Clerc de Bussy, Jacques Procédé et dispositif de moulage de pièces en matière céramique fondue

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2675323A (en) * 1951-01-10 1954-04-13 Gen Electric Co Ltd Refractory materials
US3237254A (en) * 1962-06-26 1966-03-01 Stauffer Chemical Co Vacuum casting
DE1301009B (de) * 1965-08-05 1969-08-14 Wasagchemie Ag Vorrichtung und Verfahren zur kontinuierlichen Herstellung von Schaumglas bzw. -keramik
US3437499A (en) * 1966-03-04 1969-04-08 Emhart Corp Glass contact refractory and method of making the same
FR2466269A1 (fr) * 1971-02-24 1981-04-10 Commissariat Energie Atomique Support de barriere poreuse ceramique
DE2263589C2 (de) * 1972-12-27 1974-05-30 Heraeus Schott Quarzschmelze Gmbh, 6450 Hanau Verfahren zum Herstellen von Hohlzylindern, insbesondere von Rohren, aus Quarzglas und Vorrichtung zur Durchführung des Verfahrens
US4556526A (en) * 1980-03-25 1985-12-03 Ube Industries, Ltd. Process for production of sintered ceramic body
DE3017392C2 (de) * 1980-05-07 1982-09-23 Heraeus Quarzschmelze Gmbh, 6450 Hanau Verfahren und Vorrichtung zur Herstellung von flachen, transparenten, blasenarmen Körpern aus Quarzglas
GB8430312D0 (en) * 1984-11-30 1985-01-09 Pilkington Brothers Plc Glass melting tanks
JPS61209960A (ja) * 1985-03-15 1986-09-18 東芝モノフラツクス株式会社 電鋳耐火物の製造方法
US4632686A (en) * 1986-02-24 1986-12-30 Gte Products Corporation Method of manufacturing quartz glass crucibles with low bubble content

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875556A (en) * 1953-07-31 1959-03-03 Vig Corp Apparatus for molding refractory materials
DE2134483A1 (de) * 1970-07-13 1972-01-20 Montedison Spa Verfahren zur thermischen Behandlung von durch Elektroschmelze erzeugten feuerfesten Materialien
DE2738974A1 (de) * 1976-09-01 1978-03-02 Corning Glass Works Feuerfeste zusammensetzungen und gegenstaende auf aluminium-zirkon-siliziumoxidgrundlage
EP0021981A1 (fr) * 1979-06-18 1981-01-07 Le Clerc de Bussy, Jacques Procédé et dispositif de moulage de pièces en matière céramique fondue

Also Published As

Publication number Publication date
US4838919A (en) 1989-06-13
DE3842680C2 (en:Method) 1991-04-11
DE3842680A1 (de) 1989-07-06
JPH01215764A (ja) 1989-08-29

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