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Title: Process for producing vitreous fibers containing cement as major constituent

Abstract: Process for producing vitreous fibers containing cement as major constituent, comprising making fibers from a molten mixture of powders containing cement as a major constituent and silica sand.


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Other info:


Inventors: Kawai, Kyosuke (Fujisawa, JA)

Application Number: 640777
Filing Date: 1975-12-15
Publication_date: 1977-07-26
Assignee: Japan Inorganic Material Co., Ltd. (JA)
Primary Class(es): 501/38 501/49, 501/70
Other Classes:
US Patent Ref:
2155107Apr, 1939Tyler106/50.
2557834Jun, 1951McMullen106/50.
2970924Feb, 1961Fox et al.106/50.

Other Refs:
Primary Examiner: Douglas, Winston A.
Assistant Examiner: Niebling, John F.
Attorney: Toren, McGeady and Stanger