Writing nib made of synthetic resin

Details Writing nib made of synthetic resin Writing nib made of synthetic resin

1989-10-03

1990-11-27

DeMille, Danton D.

Coating implements with material supply

Material flows through porous tool

Wick feed from within reservoir to tool

401265, B43K 808, B43K 106

Patent

active

049731823

ABSTRACT:
A stick-like writing nib, made of a synthetic resin, has a plurality of narrow slit-like first ink passages extending radially from the axis in sectional profile and a plurality of narrow slit-like second ink passages provided in sector-like areas in sectional profile defined by walls the first ink passage, which are defined by a plurality of walls extending parallel to a line bisecting an angle subtended by the sector-like area into two angels, and inner end portions of the first ink passages being defined by thin walls extending along the nib axis.

REFERENCES:
patent: 3614247 (1971-10-01), Otsuka
patent: 3830576 (1974-08-01), Kohno et al.
patent: 3843270 (1974-10-01), Kiriv et al.
patent: 3933965 (1976-01-01), Gallone et al.
patent: 4076428 (1978-02-01), Otaki et al.
patent: 4362683 (1982-12-01), Otsuka et al.
patent: 4468147 (1984-08-01), Manusch et al.
patent: 4721404 (1988-01-01), Ito et al.

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