Hollow fiber identification

Details Hollow fiber identification Hollow fiber identification

1995-06-02

1996-01-16

Edwards, N.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

428224, 428376, 428398, 428397, D02G 300

Patent

active

054846501

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

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