Metal working – Method of mechanical manufacture – Shaping fiber or fibered material
Patent
1998-11-12
2000-09-05
Bryant, David P.
Metal working
Method of mechanical manufacture
Shaping fiber or fibered material
29423, 29424, 29DIG11, B23P 1700
Patent
active
061123951
ABSTRACT:
A process is disclosed for making fine metallic fibers comprising forming a continuous tube about a plurality of coated metallic wires for providing a first cladding. The first cladding is drawn for reducing the outer diameter and for diffusion welding the coating within the cladding. The tube is mechanically removed to provide a first remainder. The first remainder is drawn for reducing the diameter thereof to transform the plurality of metallic wires into a plurality of fine metallic fibers. In one example, the diffusion welded coating is removed for providing the plurality of fine metallic fibers. In another example, a plurality of the first remainders are assembled and a continuous tube is formed about a the first remainders for providing a second cladding. The second cladding is drawn for reducing the outer diameter. The tube is mechanically removed to provide a second remainder. The second remainder is drawn for reducing the diameter thereof to transform the plurality of fine metallic fibers into a plurality of ultra fine metallic fibers. The diffusion welded coating is removed for providing the plurality of ultra fine metallic fibers.
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Liberman Michael
McNeice Raymond R.
Quick Nathaniel R.
Sobolevsky Alexander
Bryant David P.
USF Filtration and Separations Group Inc.
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