Process for spinning multifilament yarn

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United States of America Patent

PATENT NO 10889917
APP PUB NO 20140290205A1
SERIAL NO

14346807

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Abstract

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A spinneret is used to reduce filament breakage during spinning of multifilament yarn being stretched at a high stretch ratio. The spinneret has a first group of spinning holes with capillaries and a second group of spinning holes with capillaries. The capillaries of the second group of spinning holes have a lower length to diameter (L/D) ratio than the capillaries of the first group of spinning holes. All of the capillaries have the same diameter, which is 100 μm or less.

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Patent Owner(s)

Patent OwnerAddress
TEIJIN ARAMID B VTIVOLILAAN 50 ARNHEM 6824 BW

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Busscher, Leonardus Antonius Godfried Duiven, NL 2 15
Jaarsveld, Michiel Jan Adriaan Utrecht, NL 2 1

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