Coating implements with material supply – Material flows through porous tool – Wick feed from within reservoir to tool
Reexamination Certificate
2007-01-02
2007-01-02
Nguyen, Tuan (Department: 3751)
Coating implements with material supply
Material flows through porous tool
Wick feed from within reservoir to tool
C401S199000, C401S223000
Reexamination Certificate
active
10872193
ABSTRACT:
The writing implement of the invention comprises: a) a body including an internal reservoir of ink and having a writing tip projecting from its front end; b) a capillary connector serving to transfer ink between the reservoir and the writing tip; and c) tip support arranged at the front end of the body to support the tip and assemble it with the capillary connector. The implement includes a compact one-piece capillary unit obtained by sintering thermoplastic powder, and constituting simultaneously the capillary connector and all or part of the tip support. The capillary connector and all or part of the tip support are constituted by a compact one-piece capillary unit preferably obtained by sintering thermoplastic powder.
REFERENCES:
patent: 3353899 (1967-11-01), Hechtle
patent: 4723859 (1988-02-01), Kitoh
patent: 5651627 (1997-07-01), Dowzall et al.
patent: 6474893 (2002-11-01), Osada et al.
patent: 6629798 (2003-10-01), Fukami et al.
patent: 0 553 441 (1993-08-01), None
patent: 2 654 389 (1991-03-01), None
Conte
Jones Day
Nguyen Tuan
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