Foamed granular glass
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United States of America Patent
Stats
-
Jun 1, 1982
Grant Date -
N/A
app pub date -
Jul 30, 1980
filing date -
Nov 30, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The blown granular glass consists of fragments of a blown glass element and comprises at least 100,000, preferably 1,000,000, per cm.sup.3 of bubbles approximately of the same size. It is obtained by grinding the race material into a flour; the flour is mixed into a hot gas by a blowing means; the mixture is blown into a flat base furnace in an amount of blown glass; this amount is cooled after blowing and directly after cooling it is crushed into a granulated material.
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