Method and apparatus for making NIBS and ink reservoirs for writing and marking instruments and the resultant products
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United States of America Patent
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Jan 11, 2005
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N/A
app pub date -
Mar 19, 2003
filing date -
Apr 10, 2002
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Abstract
Melt blown bicomponent fibers comprising a sheath of polyethylene terephthalate or a copolymer thereof and a core of nylon 6,6 and a reservoir or a nib in a writing or marking instrument comprising a porous element formed from such fibers bonded to each other at spaced points of contact. For use as a nib the core polymer may also be polybutylene terephthalate.
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