Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1995-06-02
1996-06-18
Edwards, N.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428 92, 428397, 428398, D02G 300
Patent
active
055276113
ABSTRACT:
Hollow fibers are differentiated by their void being partially filled with a differentiating characteristic that is a protuberance of characterizing polymer material. This material may be the same or different from that of the rest of the fiber. The protuberance is provided by appropriate adjustment of the spinning capillary, i.e., during extrusion to form the fiber.
REFERENCES:
patent: 3772137 (1973-11-01), Tolliver
patent: 4743189 (1988-05-01), Samuelson
patent: 4850847 (1989-07-01), Samuelson
patent: 4861661 (1989-08-01), Samuelson
patent: 4941812 (1990-07-01), Samuelson
patent: 4956237 (1990-09-01), Samuelson
patent: 5104725 (1992-04-01), Broaddus
E. I. Du Pont de Nemours and Company
Edwards N.
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