Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1973-10-16
1976-10-12
Curtis, Allen B.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
65 5, 106DIG2, 106 50, 106 52, 252378P, 264DIG19, C07B 3706, C07C 1300
Patent
active
039859355
ABSTRACT:
Alkali resistant glass fibers and mineral wool are produced from perlite by heating perlite ores until the melt viscosity is under 15 poise and impinging a stream of the melt with a gas at from 80 to 100 psig to produce the fibers.
REFERENCES:
patent: 2462255 (1949-02-01), Charman et al.
patent: 2467889 (1949-04-01), Harter et al.
patent: 2576312 (1951-11-01), Minnick et al.
patent: 3007806 (1961-11-01), Hartwig
patent: 3679443 (1972-07-01), Mechel et al.
"Low-alkali Glass Fiber Produced from Pumice and Perlites," Rustambekyan et al., CA 79: 20089v (1972).
"Production of New Compositions of Glass Mosaic Floor Tile," Kutateladge et al., Glass & Ceramics (USA), vol. 28, No. 1-2, 1971.
"Some Economic Aspects of Perlite" C. R. King, Mining Transactions, vol. 184, pp. 310-312, Aug. 1949.
Curtis Allen B.
General Refractories Company
Murray, Jr. Everett H.
Waltz Thomas A.
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