FR2825359B1 - DEVICE FOR REDUCING THE FLOW OF GAS IN THE DRAWING DUCT AROUND THE STRETCH CORNET, WHEN MANUFACTURING GLASS TUBES - Google Patents

DEVICE FOR REDUCING THE FLOW OF GAS IN THE DRAWING DUCT AROUND THE STRETCH CORNET, WHEN MANUFACTURING GLASS TUBES

Info

Publication number
FR2825359B1
FR2825359B1 FR0206602A FR0206602A FR2825359B1 FR 2825359 B1 FR2825359 B1 FR 2825359B1 FR 0206602 A FR0206602 A FR 0206602A FR 0206602 A FR0206602 A FR 0206602A FR 2825359 B1 FR2825359 B1 FR 2825359B1
Authority
FR
France
Prior art keywords
cornet
stretch
reducing
gas
flow
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 - Lifetime
Application number
FR0206602A
Other languages
French (fr)
Other versions
FR2825359A1 (en
Inventor
Erhard Dick
Erich Fischer
Roland Fuchs
Markus Riedl
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.)
Schott AG
Original Assignee
Schott Glaswerke 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
Application filed by Schott Glaswerke AG filed Critical Schott Glaswerke AG
Publication of FR2825359A1 publication Critical patent/FR2825359A1/en
Application granted granted Critical
Publication of FR2825359B1 publication Critical patent/FR2825359B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
    • C03B17/04—Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
FR0206602A 2001-06-02 2002-05-30 DEVICE FOR REDUCING THE FLOW OF GAS IN THE DRAWING DUCT AROUND THE STRETCH CORNET, WHEN MANUFACTURING GLASS TUBES Expired - Lifetime FR2825359B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2001127044 DE10127044C1 (en) 2001-06-02 2001-06-02 Device for reducing the gas flow in the pulling channel around the bulb used in the production of precision tubes comprises a nozzle and a screen in the pulling channel

Publications (2)

Publication Number Publication Date
FR2825359A1 FR2825359A1 (en) 2002-12-06
FR2825359B1 true FR2825359B1 (en) 2007-05-18

Family

ID=7687107

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0206602A Expired - Lifetime FR2825359B1 (en) 2001-06-02 2002-05-30 DEVICE FOR REDUCING THE FLOW OF GAS IN THE DRAWING DUCT AROUND THE STRETCH CORNET, WHEN MANUFACTURING GLASS TUBES

Country Status (3)

Country Link
DE (1) DE10127044C1 (en)
FR (1) FR2825359B1 (en)
GB (1) GB2376015B (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE594863C (en) * 1928-12-11 1934-03-23 Hartford Empire Co Device for producing tubes or rods made of glass or the like.
BE543839A (en) * 1955-04-22
DE1025581B (en) * 1957-02-13 1958-03-06 Stoelzle Glasindustrie Ag Method and device for the continuous production of glass tubes or glass rods with a preferably polygonal cross-sectional limitation that differs from the round shape
US3473907A (en) * 1965-09-15 1969-10-21 Corning Glass Works Method of forming tubing by surface pressure differential
GB1346079A (en) * 1971-09-13 1974-02-06 Pilkington Brothers Ltd Apparatus and method for producing glass tubing
DE2842586A1 (en) * 1978-09-29 1980-04-17 Siemens Ag METHOD FOR PRODUCING LOW-FIBER LOW-DAMPING AND HIGH NUMERICAL APERTURE
JPH04209722A (en) * 1990-11-30 1992-07-31 Nippon Electric Glass Co Ltd Molding of glass tube
JPH05116965A (en) * 1991-10-23 1993-05-14 Toshiba Glass Co Ltd Apparatus for producing glass tube
DE10016108C2 (en) * 2000-03-31 2002-09-26 Schott Glas Hot forming process and device for producing a vitreous body and its use

Also Published As

Publication number Publication date
DE10127044C1 (en) 2002-10-17
FR2825359A1 (en) 2002-12-06
GB0212576D0 (en) 2002-07-10
GB2376015B (en) 2005-06-29
GB2376015A (en) 2002-12-04

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