Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Coating or impregnating workpiece before molding or shaping...
Patent
1988-06-27
1990-01-16
Lorin, Hubert C.
Plastic and nonmetallic article shaping or treating: processes
With printing or coating of workpiece
Coating or impregnating workpiece before molding or shaping...
264174, 2642108, 26421115, D01F 804
Patent
active
048941956
ABSTRACT:
Coated oriented polymeric monofilaments having a diameter of at least about 60 mils and excellent uniformity in roundness are prepared in which a core of semi-crystalline linear condensation polymer is melt extruded, quenched to a substantially void-free condition, coated with additional polymer to increase the diameter by about from 10 to 100 mils, quenched to a substantially void-free condition, oriented by drawing about 3.5 times its original length within the orientation temperature range of the polymer, and the resulting oriented structure is coated with about from 10 to 100 mils of polymeric material.
REFERENCES:
patent: 3275730 (1966-09-01), Feild
patent: 4297413 (1981-10-01), Sasaki et al.
E. I. DuPont de Nemours and Company
Huntley Donald W.
Lorin Hubert C.
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