DE3842680A1 - Behandlung von geschmolzenem, gegossenen, feuerfesten material - Google Patents

Behandlung von geschmolzenem, gegossenen, feuerfesten material

Info

Publication number
DE3842680A1
DE3842680A1 DE3842680A DE3842680A DE3842680A1 DE 3842680 A1 DE3842680 A1 DE 3842680A1 DE 3842680 A DE3842680 A DE 3842680A DE 3842680 A DE3842680 A DE 3842680A DE 3842680 A1 DE3842680 A1 DE 3842680A1
Authority
DE
Germany
Prior art keywords
refractory material
glassy phase
refractory
ceramic
vacuum
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.)
Granted
Application number
DE3842680A
Other languages
German (de)
English (en)
Other versions
DE3842680C2 (en:Method
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 DE3842680A1 publication Critical patent/DE3842680A1/de
Application granted granted Critical
Publication of DE3842680C2 publication Critical patent/DE3842680C2/de
Granted 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)
DE3842680A 1987-12-28 1988-12-19 Behandlung von geschmolzenem, gegossenen, feuerfesten material Granted DE3842680A1 (de)

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 (2)

Publication Number Publication Date
DE3842680A1 true DE3842680A1 (de) 1989-07-06
DE3842680C2 DE3842680C2 (en:Method) 1991-04-11

Family

ID=22483454

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3842680A Granted DE3842680A1 (de) 1987-12-28 1988-12-19 Behandlung von geschmolzenem, gegossenen, feuerfesten material

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4632686A (en) * 1986-02-24 1986-12-30 Gte Products Corporation Method of manufacturing quartz glass crucibles with low bubble content
US4764198A (en) * 1984-11-30 1988-08-16 Pilkington Brothers Plc Glass melting tanks and refractory material therefor

Family Cites Families (13)

* 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
US2875556A (en) * 1953-07-31 1959-03-03 Vig Corp Apparatus for molding 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
CS199542B2 (en) * 1970-07-13 1980-07-31 Giacomo Cevales Process for thermal treatment of refractory material prepared by the heat for increasing corrosion resistance
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
US4119472A (en) * 1976-09-01 1978-10-10 Corning Glass Works Rebonded fusion-cast AZS refractory grain
FR2459212A1 (fr) * 1979-06-18 1981-01-09 Clerc De Bussy Le Procede et dispositif de moulage de pieces en matiere ceramique fondue
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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4764198A (en) * 1984-11-30 1988-08-16 Pilkington Brothers Plc Glass melting tanks and refractory material therefor
US4632686A (en) * 1986-02-24 1986-12-30 Gte Products Corporation Method of manufacturing quartz glass crucibles with low bubble content

Also Published As

Publication number Publication date
US4838919A (en) 1989-06-13
DE3842680C2 (en:Method) 1991-04-11
FR2625495A1 (fr) 1989-07-07
JPH01215764A (ja) 1989-08-29

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee