Claims
- 1. A method for making a single polymeric fiber, comprising the steps of:
- (a) providing a supply of polymer dope;
- (b) drawing the dope through a single extrusion orifice into an air gap;
- (c) in the air gap, full twisting by itself the single drawn dope as it is drawn form the single extrusion orifice; and,
- (d) after full twisting in the air gap, coagulating the drawn and twisted dope in a water bath to form a fiber.
Parent Case Info
This application is a continuation-in-part of application Ser. No. 07/456,009, filed Dec. 22, 1989 and now abandoned.
RIGHTS OF THE GOVERNMENT
The invention described herein may be manufactured and used by or for the Government of the United States for all governmental purposes without the payment of any royalty.
US Referenced Citations (8)
Foreign Referenced Citations (1)
Number |
Date |
Country |
57-193587 |
Nov 1982 |
JPX |
Non-Patent Literature Citations (4)
Entry |
Satish Kumar-"Compressive Strength of High Performance Fibers" vol. 134, 1989, pp. 1-12. |
Satish Kumar-"Uniaxial Compressive Strength of High Modulus Fibers for Composite", vol. 7, Mar. 1988, pp. 108-119. |
Steven R. Allen-"Mechanical and Morphological Correlations in Poly(P-Phenylenebenzobisthiazole)", Jul. 1983, pp. 1-39. |
Ordered Polymer Contract Research Review, Nov. 12-Nov. 15, 1985. |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
456009 |
Dec 1989 |
|