CA1191690A - Methods and apparatus for extruding articles - Google Patents

Methods and apparatus for extruding articles

Info

Publication number
CA1191690A
CA1191690A CA000398676A CA398676A CA1191690A CA 1191690 A CA1191690 A CA 1191690A CA 000398676 A CA000398676 A CA 000398676A CA 398676 A CA398676 A CA 398676A CA 1191690 A CA1191690 A CA 1191690A
Authority
CA
Canada
Prior art keywords
melt
glass
chamber
shield
tubing
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
CA000398676A
Other languages
English (en)
French (fr)
Inventor
Alexander Coucoulas
John R. Nis
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA1191690A publication Critical patent/CA1191690A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/167Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches
    • C03B5/1672Use of materials therefor
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B17/00Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
    • C03B17/04Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/02Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
    • C03B5/021Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by induction heating
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/167Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
CA000398676A 1981-04-02 1982-03-17 Methods and apparatus for extruding articles Expired CA1191690A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/250,466 US4372771A (en) 1981-04-02 1981-04-02 Methods and apparatus for extruding articles
US250,466 1981-04-02

Publications (1)

Publication Number Publication Date
CA1191690A true CA1191690A (en) 1985-08-13

Family

ID=22947869

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000398676A Expired CA1191690A (en) 1981-04-02 1982-03-17 Methods and apparatus for extruding articles

Country Status (6)

Country Link
US (1) US4372771A (enExample)
JP (1) JPS57179042A (enExample)
CA (1) CA1191690A (enExample)
DE (1) DE3211392A1 (enExample)
FR (1) FR2503132A1 (enExample)
GB (1) GB2096129B (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4492594A (en) * 1984-01-03 1985-01-08 Ppg Industries, Inc. Method and apparatus for liquefying material with retainer means
DE4212099C2 (de) * 1992-04-10 1994-07-21 Heraeus Quarzglas Verfahren und Vorrichtung zur Herstellung eines Verbundkörpers aus Glas
JP2511393B2 (ja) * 1992-09-15 1996-06-26 パテント−トロイハント−ゲゼルシヤフト フユア エレクトリツシエ グリユーランペン ミツト ベシユレンクテル ハフツング メタルハライドランプ
DE19963867C1 (de) * 1999-12-30 2001-06-13 Schott Glas Vorrichtung und Verfahren zum Wiederaufschmelzen von Glasstäben
CA2599993A1 (en) * 2004-03-04 2005-09-22 Quantum Quartz, Llc Method and device for continuously forming optical fiber connector glass and other close tolerance components
WO2014036201A1 (en) * 2012-08-30 2014-03-06 Corning Incorporated Apparatus and methods of making a glass tube by drawing from molten glass
CN108698885A (zh) 2015-12-18 2018-10-23 贺利氏石英玻璃有限两合公司 石英玻璃制备中硅含量的提升
US11492282B2 (en) 2015-12-18 2022-11-08 Heraeus Quarzglas Gmbh & Co. Kg Preparation of quartz glass bodies with dew point monitoring in the melting oven
TWI720090B (zh) 2015-12-18 2021-03-01 德商何瑞斯廓格拉斯公司 於石英玻璃之製備中作為中間物之經碳摻雜二氧化矽顆粒的製備
EP3390292B1 (de) 2015-12-18 2023-03-15 Heraeus Quarzglas GmbH & Co. KG Herstellung einer synthetischen quarzglaskörnung
JP6940235B2 (ja) 2015-12-18 2021-09-22 ヘレウス クワルツグラス ゲーエムベーハー ウント コンパニー カーゲー 高融点金属の溶融坩堝内での石英ガラス体の調製
CN108698894A (zh) 2015-12-18 2018-10-23 贺利氏石英玻璃有限两合公司 在多腔式烘箱中制备石英玻璃体
CN108698880B (zh) 2015-12-18 2023-05-02 贺利氏石英玻璃有限两合公司 不透明石英玻璃体的制备
US11492285B2 (en) 2015-12-18 2022-11-08 Heraeus Quarzglas Gmbh & Co. Kg Preparation of quartz glass bodies from silicon dioxide granulate
CN108698887B (zh) 2015-12-18 2022-01-21 贺利氏石英玻璃有限两合公司 由均质石英玻璃制得的玻璃纤维和预成形品
US11053152B2 (en) 2015-12-18 2021-07-06 Heraeus Quarzglas Gmbh & Co. Kg Spray granulation of silicon dioxide in the preparation of quartz glass

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127155A (en) * 1964-03-31 Apparatus for preventing or reducing the crystallization
US946179A (en) * 1909-04-14 1910-01-11 Ivan Weiskopf Device for spinning glass.
US2306164A (en) * 1940-03-08 1942-12-22 Bell Telephone Labor Inc Extrusion device
US2495956A (en) * 1945-11-13 1950-01-31 Glass Fibers Inc Method of producing glass fibers
FR1132170A (fr) * 1954-10-07 1957-03-06 Philips Nv Procédé de fabrication de tubes ou de tiges de verre
US3460930A (en) * 1967-06-08 1969-08-12 Federal Tool Eng Co Back reflector for radiant energy glass-to-metal sealing means
US3645712A (en) * 1970-05-06 1972-02-29 Corning Glass Works Radiation target structure and use to cool molten glass
US4032313A (en) * 1973-10-04 1977-06-28 Canon Kabushiki Kaisha Apparatus for producing optical fibers by using crucibles
US4046535A (en) * 1974-04-24 1977-09-06 Owens-Corning Fiberglas Corporation Glass melter having reflective top wall and method for using same
DE2555899C2 (de) * 1975-12-12 1987-04-30 OKALUX Kapillarglas GmbH, 8772 Marktheidenfeld Verfahren zur Herstellung von Hohlfasern aus anorganischen schmelzfähigen Materialien sowie Vorrichtung zur Durchführung des Verfahrens
US4195982A (en) * 1978-12-26 1980-04-01 Western Electric Company, Incorporated Method for extruding articles

Also Published As

Publication number Publication date
US4372771A (en) 1983-02-08
JPS57179042A (en) 1982-11-04
GB2096129A (en) 1982-10-13
FR2503132A1 (fr) 1982-10-08
GB2096129B (en) 1985-02-06
DE3211392A1 (de) 1982-10-21
DE3211392C2 (enExample) 1988-01-14
FR2503132B1 (enExample) 1984-12-21

Similar Documents

Publication Publication Date Title
CA1191690A (en) Methods and apparatus for extruding articles
KR100626467B1 (ko) 실리카 용융로, 석영 부재 및 석영 부재 형성 방법
US4957713A (en) Apparatus for growing shaped single crystals
US3717450A (en) Furnace for manufacture of striationfree quartz tubing
US3764286A (en) Manufacture of elongated fused quartz member
US4923497A (en) Method for the continuous production of a tube or rod of vitreous fused silica
DE69201292T2 (de) Vorrichtung zur Einkristallziehung.
US4042006A (en) Pyrolytic process for producing a band-shaped metal layer on a substrate
US4546484A (en) Device for the continuous manufacture of elongated bodies starting from unmolten solid starting material
EP0497064A1 (en) Method for making double-walled insulating metal container
US2814657A (en) Method and apparatus for heating glass
US3486870A (en) Improved method of manufacturing quartz glass hollow articles
US3345147A (en) Method for production of glass fibers
US4125086A (en) Nozzle beam type metal vapor source
US3756799A (en) Method for beam heating of glass
EP0417948A2 (en) Method and apparatus for pulling up silicon single crystal
US3867118A (en) Apparatus for production of glass fibers
US4828608A (en) Process for ultrapurification of indium
WO2002040415A1 (en) Apparatus and process for producing an optical fibre preform
US3141849A (en) Process for doping materials
US4101185A (en) Method for producing a low-pressure gas discharge lamp
SU1132606A1 (ru) Устройство дл выращивани монокристаллов тугоплавких материалов
US2491874A (en) Manufacture of mercury-containing, gas-filled electric discharge apparatus
US3282654A (en) Crystal growing furnace with an alumina liner
US3740043A (en) Apparatus for vaporizing molten metal

Legal Events

Date Code Title Description
MKEX Expiry