Writing instrument

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United States of America Patent

PATENT NO 9796207
SERIAL NO

14405555

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A writing instrument 2 includes a pen tip mechanism 20, an ink tank 40, an ink induction mechanism 50, and a regulator mechanism 60. The ink tank 40 includes first and second ink tanks 40A and 40B. The pen tip mechanism 20 includes first and second pen tips 20A and 20B. The ink induction mechanism 50 includes first and second induction cores 50A and 50B. A regulator flow path set around the first induction core 50A and the second induction core 50B is partitioned into first and second regulator flow paths by the regulator mechanism 60. The first and second regulator flow paths are temporary accommodation spaces of inks and circulation spaces for sending air from the induction cores 50A and 50B to the ink tanks 40A and 40B.

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Patent Owner(s)

Patent OwnerAddress
V SPARK CO LTDSAITAMA 338-0001

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawasaki, Masayuki Soka, JP 18 146

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