Direct liquid supply writing implement
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United States of America Patent
Stats
-
Oct 19, 1999
Grant Date -
N/A
app pub date -
Aug 28, 1998
filing date -
Aug 29, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A direct ink supply writing implement according to the present invention is provided with an ink reservoir made of a porous material disposed between a nib and an ink tank; a partition wall disposed between the ink reservoir and the ink tank and arranged to partition the ink reservoir and the ink tank from each other; a communication hole formed in the partition wall for establishing communication between the ink reservoir and the ink tank; a rod-shape ink guiding member which penetrates the partition wall and with which ink is supplied from the ink tank to the nib; and a compressed portion formed at a rear end of the ink reservoir and arranged to enhance capillary force as compared with other portions.
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