Spinning apparatus and spinning method

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11299823
APP PUB NO 20210032777A1
SERIAL NO

17073080

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A spinning apparatus includes a spinning cabinet extending in a vertical direction, a spinneret that includes a plurality of spinneret holes, is disposed on an upper end side of the spinning cabinet, and is configured to extrude a spinning dope from the plurality of spinneret holes into an interior space of the spinning cabinet, a first gas supply path connected to the spinning cabinet is configured to supply a first gas from above the spinneret to the interior space, allowing the first gas to come into contact with the spinning dope extruded from the plurality of spinneret holes, and a second gas supply path connected to the spinning cabinet is configured to supply a second gas having a higher temperature than that of the first gas from below the spinneret to the interior space, allowing the second gas to come into contact with the spinning dope extruded from the plurality of spinneret holes.

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Patent Owner(s)

Patent OwnerAddress
DAICEL CORPORATION3-1 OFUKA-CHO KITA-KU OSAKA-SHI OSAKA 530-0011

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Haitsuka, Masahiro Tokyo, JP 9 20
Tsukamoto, Yuki Tokyo, JP 8 2

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