Silica yarn for textile with high thermal resistance

Details Silica yarn for textile with high thermal resistance Silica yarn for textile with high thermal resistance

2005-01-11

2005-01-11

Edwards, N. (Department: 1774)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

C501S054000, C501S055000, C501S059000, C501S095100

Reexamination Certificate

active

06841242

ABSTRACT:
The invention relates to a silica yarn and to woven or nonwoven fabrics produced from said yarn, which comprises 30 to 1500 ppm by weight of aluminum and 10 to 200 ppm by weight of titanium in oxidized form, the sum of the mass of the chemical elements different from Si and O being less than 5000 ppm by weight, the following elements being absent or present in a very small quantity: boron, sodium, calcium, potassium and lithium. The fabrics comprising this silica yarn have an excellent high-temperature withstand and thus retain their flexibility for a long time at above 600° C. They are useful especially in uses requiring good high-temperature flexibility, such as for furnace seals.

REFERENCES:
patent: 3092531 (1963-06-01), Labino
patent: 0 160 232 (1985-11-01), None
patent: 0 510 653 (1992-10-01), None
patent: 1 172 142 (1959-02-01), None

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