Method and apparatus of transferring a packet and generating an

Details Method and apparatus of transferring a packet and generating an Method and apparatus of transferring a packet and generating an

1997-12-08

1999-08-10

Acquah, Samuel A.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

528502, 528503, 2641761, 26417713, 26417717, 26417719, 2642101, 2642105, 264280, 264291, D01D 512

Patent

active

059354992

ABSTRACT:
Fibers and yarns of polyethylene terephthalate (PET) and PET copolymers with a sheath/filamentous core microstructure are formed from unoriented and non crystalline "as spun" source fibers and yarns by drawing to high draw ratios in one step. Fibers and yarns with the sheath/filamentous core microstructure are stiffer than commercial PET fibers. Fibers and yarns with the sheath/filamentous core microstructure may be annealed and relaxed to increase their dimensional stability without loss of the sheath/filamentous core microstructure.

REFERENCES:
patent: 4101525 (1978-07-01), Davis et al.
patent: 4195052 (1980-03-01), Davis et al.

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