Method for making basalt glass ceramic fibers

Details Method for making basalt glass ceramic fibers Method for making basalt glass ceramic fibers

1978-09-25

1980-04-22

Bashore, S. Leon

Glass manufacturing

Processes

Forming product or preform from molten glass

65 33, 106 50, 106 52, 106 396, 106 398, 106 99, C03B 3700, C03B 3200, C08L 9100

Patent

active

041993365

ABSTRACT:
Fine-grained, polycrystalline, basalt-type glass-ceramic fibers, having a crystal content of at least 35% and particular application as fiber reinforcement in concrete structures, are disclosed. A method of production comprises treating a vitreous fiber in the temperature range of 900.degree. to 1250.degree. C. for a time not exceeding ten minutes, and preferably less than one minute.

REFERENCES:
patent: 3557575 (1971-01-01), Beal
patent: 3650721 (1972-03-01), Hammel et al.
patent: 3679443 (1972-07-01), Mechel et al.
patent: 3873328 (1975-03-01), Brueggemann et al.
patent: 3881945 (1975-05-01), Trojer et al.
patent: 3901676 (1975-08-01), Heinze et al.
patent: 3929497 (1975-12-01), Clark-Marks
patent: 4008094 (1972-02-01), Beal et al.
patent: 4009015 (1977-02-01), McCollister

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