SE8206076L - FOAM GLASS JUST SET FOR ITS MAKE - Google Patents

FOAM GLASS JUST SET FOR ITS MAKE

Info

Publication number
SE8206076L
SE8206076L SE8206076A SE8206076A SE8206076L SE 8206076 L SE8206076 L SE 8206076L SE 8206076 A SE8206076 A SE 8206076A SE 8206076 A SE8206076 A SE 8206076A SE 8206076 L SE8206076 L SE 8206076L
Authority
SE
Sweden
Prior art keywords
bubbles
glass
bubble
forming agent
metal film
Prior art date
Application number
SE8206076A
Other languages
Swedish (sv)
Other versions
SE439298B (en
SE8206076D0 (en
Inventor
Sven Gunnar Soredal
Original Assignee
Sven Gunnar Soredal
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 Sven Gunnar Soredal filed Critical Sven Gunnar Soredal
Priority to SE8206076A priority Critical patent/SE439298B/en
Publication of SE8206076D0 publication Critical patent/SE8206076D0/en
Publication of SE8206076L publication Critical patent/SE8206076L/en
Publication of SE439298B publication Critical patent/SE439298B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00—Other methods of shaping glass
    • C03B19/08—Other methods of shaping glass by foaming
    • 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
    • C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
    • C03C11/007—Foam glass, e.g. obtained by incorporating a blowing agent and heating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Glass Compositions (AREA)

Abstract

The invention refers to heat and sound-insulated foam glass with closed bubbles, in which the gas pressure is maximum 0, 1 Torr. The bubbles are coated with a reflective metal film. Through this, heat transfer through the bubbles is eliminated, not only by means of conduction or convection but also by radiation. The reflective metal film is made by combining glass with granules of a bubble-forming agent made of a metal or alloy, which has a steam-pressure of at least 7 Torr at the melting point. The combination is treated, so that the glass when in melted form surrounds the grains of the bubble-forming agent. Thereafter the combination is subjected to heat at such a low pressure, that the grains of the bubble-forming agent evaporate and form bubbles in the glass. When the material has then cooled slowly under low pressure, the glass hardens, where after the steam of the bubble-former sublimates on the walls of the bubbles to a reflective metal film.
SE8206076A 1982-10-26 1982-10-26 Foam glass SE439298B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8206076A SE439298B (en) 1982-10-26 1982-10-26 Foam glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8206076A SE439298B (en) 1982-10-26 1982-10-26 Foam glass

Publications (3)

Publication Number Publication Date
SE8206076D0 SE8206076D0 (en) 1982-10-26
SE8206076L true SE8206076L (en) 1984-04-27
SE439298B SE439298B (en) 1985-06-10

Family

ID=20348354

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8206076A SE439298B (en) 1982-10-26 1982-10-26 Foam glass

Country Status (1)

Country Link
SE (1) SE439298B (en)

Also Published As

Publication number Publication date
SE439298B (en) 1985-06-10
SE8206076D0 (en) 1982-10-26

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