Pack for spinning and method for producing fiber

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11525191
APP PUB NO 20200208300A1
SERIAL NO

16622018

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A pack for spinning is provided with a kneading part disposed on a spinneret. The kneading part includes: an introduction plate including a plurality of first introduction holes for introducing a melted polymer; and a plurality of kneading units including a supply plate including a plurality of independent supply grooves into which the polymer introduced from the introduction holes flows and one or more supply holes disposed in each of the supply grooves, and a converging plate including a plurality of converging grooves in which a plurality of grooves into which the polymer supplied from the supply holes flows are intersected and a plurality of second introduction holes disposed in each of the converging grooves.

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Patent Owner(s)

Patent OwnerAddress
TORAY INDUSTRIES INCTOKYO 103-8666

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Funakoshi, Joji Otsu, JP 14 27
Kanemori, Yasunori Otsu, JP 5 4
Matsuura, Tomohiko Shizuoka, JP 33 271
Sakata, Atsuya Nagoya, JP 2 0

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