Temporary ink storage member and writing instrument using the same
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United States of America Patent
Stats
-
Feb 11, 1992
Grant Date -
N/A
app pub date -
Mar 26, 1990
filing date -
Jul 30, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to a temporary ink storage member for temporarily storing ink in accordance with pressure changes in an ink tank. The temporary ink storage member comprises a reduced thickness portion forming an ink storage portion and having a comb-toothed longitudinal sectional shape and slit-like ink grooves communicating with the ink storage portion, wherein a plurality of ink grooves are formed symmetrically with one another in cross-section. The present invention relates also to a writing instrument using the temporary ink storage member.
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Cited Art Landscape
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