Method and apparatus for making NIBS and ink reservoirs for writing and marking instruments and the resultant products

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...

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Bibliographische Detailangaben
Hauptverfasser: WARD BENNETT C, LONG ROBERT D, PAYNE, JR. JACKIE F, NELSON RAYMOND J, NELSON DONALD F, YANCEY E. VAUGHAN
Format: Patent
Sprache:eng
Schlagworte:
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Zusammenfassung: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.