Apparatus for production of hollow glass microspheres
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United States of America Patent
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Oct 26, 1993
Issued Date -
N/A
app pub date -
Jan 29, 1993
filing date -
Jun 21, 1984
priority date (Note) -
Expired
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Abstract
Processes and apparatus for the production of hollow microspheres by thermal expansion of glass particles including the thermal treatment of extremely small glass particles whose dimensions are less than 50 micrometers and, preferably, less than 35 micrometers or even 20 micrometers, which include a fluidizing agent. This technique makes possible the production of extremely small glass microspheres under satisfactory yield conditions. Also, the hollow microsphere products produced by these processes and apparatus.
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