FR2104084A5 - - Google Patents

Info

Publication number
FR2104084A5
FR2104084A5 FR7128965A FR7128965A FR2104084A5 FR 2104084 A5 FR2104084 A5 FR 2104084A5 FR 7128965 A FR7128965 A FR 7128965A FR 7128965 A FR7128965 A FR 7128965A FR 2104084 A5 FR2104084 A5 FR 2104084A5
Authority
FR
France
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
FR7128965A
Other languages
French (fr)
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.)
Heraeus Schott Quarzschmelze GmbH
Original Assignee
Heraeus Schott Quarzschmelze GmbH
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 Heraeus Schott Quarzschmelze GmbH filed Critical Heraeus Schott Quarzschmelze GmbH
Application granted granted Critical
Publication of FR2104084A5 publication Critical patent/FR2104084A5/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/07—Re-forming tubes or rods by blowing, e.g. for making electric bulbs
    • C03B23/073—Vacuum-blowing
    • C03B23/076—Shrinking the glass tube on to a mandrel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
FR7128965A 1970-08-08 1971-08-06 Expired FR2104084A5 (Direct)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702039498 DE2039498C3 (de) 1970-08-08 1970-08-08 Verwendung eines rohrförmigen Korpers aus hochschmelzendem Glas, Quarzgut oder Quarzglas beim Herstel len von Halbleiterbauelementen

Publications (1)

Publication Number Publication Date
FR2104084A5 true FR2104084A5 (Direct) 1972-04-14

Family

ID=5779233

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7128965A Expired FR2104084A5 (Direct) 1970-08-08 1971-08-06

Country Status (4)

Country Link
CH (1) CH534112A (Direct)
DE (1) DE2039498C3 (Direct)
FR (1) FR2104084A5 (Direct)
GB (1) GB1356173A (Direct)

Also Published As

Publication number Publication date
DE2039498B2 (de) 1973-05-10
GB1356173A (en) 1974-06-12
CH534112A (de) 1973-02-28
DE2039498A1 (de) 1972-02-17
DE2039498C3 (de) 1973-12-06

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Legal Events

Date Code Title Description
ST Notification of lapse