FR642692A - Further development in the manufacture of pure transparent fused silica - Google Patents

Further development in the manufacture of pure transparent fused silica

Info

Publication number
FR642692A
FR642692A FR642692DA FR642692A FR 642692 A FR642692 A FR 642692A FR 642692D A FR642692D A FR 642692DA FR 642692 A FR642692 A FR 642692A
Authority
FR
France
Prior art keywords
manufacture
further development
fused silica
transparent fused
pure transparent
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
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.)
Saint Gobain Quartz SAS
Original Assignee
Quartz and Silice SA
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 Quartz and Silice SA filed Critical Quartz and Silice SA
Application granted granted Critical
Publication of FR642692A publication Critical patent/FR642692A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
    • C03B5/033—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by using resistance heaters above or in the glass bath, i.e. by indirect resistance heating
    • C03B5/0334—Pot furnaces; Core furnaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
FR642692D 1927-03-23 1927-03-23 Further development in the manufacture of pure transparent fused silica Expired FR642692A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR504132X 1927-03-23

Publications (1)

Publication Number Publication Date
FR642692A true FR642692A (en) 1928-09-01

Family

ID=8907580

Family Applications (1)

Application Number Title Priority Date Filing Date
FR642692D Expired FR642692A (en) 1927-03-23 1927-03-23 Further development in the manufacture of pure transparent fused silica

Country Status (2)

Country Link
DE (1) DE504132C (en)
FR (1) FR642692A (en)

Also Published As

Publication number Publication date
DE504132C (en) 1930-07-31

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