FR615337A - Improvements to low-expansion glasses - Google Patents

Improvements to low-expansion glasses

Info

Publication number
FR615337A
FR615337A FR615337DA FR615337A FR 615337 A FR615337 A FR 615337A FR 615337D A FR615337D A FR 615337DA FR 615337 A FR615337 A FR 615337A
Authority
FR
France
Prior art keywords
low
expansion glasses
glasses
expansion
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.)
Radiotechnique SA
Original Assignee
Radiotechnique 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 Radiotechnique SA filed Critical Radiotechnique SA
Application granted granted Critical
Publication of FR615337A publication Critical patent/FR615337A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
FR615337D 1925-09-22 1925-09-22 Improvements to low-expansion glasses Expired FR615337A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR505782X 1925-09-22

Publications (1)

Publication Number Publication Date
FR615337A true FR615337A (en) 1927-01-05

Family

ID=8908704

Family Applications (1)

Application Number Title Priority Date Filing Date
FR615337D Expired FR615337A (en) 1925-09-22 1925-09-22 Improvements to low-expansion glasses

Country Status (4)

Country Link
DE (1) DE505782C (en)
FR (1) FR615337A (en)
GB (1) GB258872A (en)
NL (1) NL23938C (en)

Also Published As

Publication number Publication date
NL23938C (en)
GB258872A (en) 1927-01-13
DE505782C (en) 1930-08-22

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