D - Textiles – Paper – 01 – D
Patent
D - Textiles, Paper
01
D
18/569
D01D 4/02 (2006.01)
Patent
CA 1124474
HOE 77/F 137 PROCESS FOR THE MANUFACTURE OF SYNTHETIC FILAMENTS HAVING A CIRCULAR CROSS-SECTION Abstract of the Disclosure: Synthetic filaments having a circular cross-section are manufactured by melt-spinning from spinneret openings. These openings have circular cross-sections and are provided with radial slots distributed about their circumference. Each slot ends in a portion having a circular cross-section and the slot is disposed symmetrically about an extended radius of the circular opening. The radial slots need not cover the complete length of the spinneret openings, but only the outlet of the openings.
307412
Stahl Hans-Otmar
Wellenhofer Herbert
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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