Glass manufacturing – Processes of manufacturing fibers – filaments – or preforms – Producing crimped – twisted – or curled fibers
Patent
1995-06-07
1997-11-18
Mayes, Melvin
Glass manufacturing
Processes of manufacturing fibers, filaments, or preforms
Producing crimped, twisted, or curled fibers
65455, 65459, 65465, 19 65R, 19 66T, 57295, 57905, C03B 37075, C03B 3704
Patent
active
056883013
ABSTRACT:
An irregularly shaped glass fiber is provided which enjoys improved resiliency, and openness in pack structures. Wool packs and other wool portions having such irregularly shaped fibers may be processed directly through needling to form a non-woven material without intervening steps such as carding or blending of fibers which accompany conventional glass fiber processing operations. In a further aspect of the invention, a non-woven material including irregularly shaped fibers in a generally continuous wool tow is produced by "unwinding" a fiberglass wool pack collected by a direct forming method. Product applications include simplified, lower cost processing, and new uses of the irregularly shaped fibers produced by rotary fiberization in filtration elements, sorbants, gaskets, packings, shingles, composite structural elements, furnishings, textiles, yarns, and blown-in insulation systems.
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Brandon Ralph E.
Grant Larry J.
Green Todd
Householder Kimberley A.
Brueske Curtis B.
Gegenheimer C. Michael
Mayes Melvin
Owens-Corning Fiberglas Technology Inc
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