Conical nib and writing instrument using the same
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United States of America Patent
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Jan 12, 2016
Grant Date -
Jun 20, 2013
app pub date -
Dec 13, 2012
filing date -
Dec 15, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A nib, among other parts which constitute a writing instrument, is made of a synthetic resin material in which engineering plastic is used. An ink supply wick includes a wick cover. An outer shape of a wick cover is determined such that it is attached to an outer periphery of the ink supply wick between the nib and the ink supply wick and is made to closely adhere to an inner periphery of the nib at least at the tip of the nib. A space between the nib and the ink supply wick is filled with the wick cover. The nib is made of a synthetic resin material in which engineering plastic is used. Therefore, the nib wear resistant and duration of the nib or the writing instrument can be extended.
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Cited Art Landscape
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