Coating implements with material supply – Material flows through porous tool – Wick feed from within reservoir to tool
Patent
1985-08-27
1987-06-09
Bratlie, Steven A.
Coating implements with material supply
Material flows through porous tool
Wick feed from within reservoir to tool
401209, 401217, B43K 802, B43K 710, B43K 518
Patent
active
046716920
ABSTRACT:
A writing pen having good ink flow control to a tip suitable for fine writing over a wide range of atmospheric pressure and ambient temperature. The pen has a flow-regulator composed of first, second and third ink supply rods connected in series. The flow-regulator has a plurality of fins around its circumference which cooperatively define a labyrinth groove. The spacing between fins varies from the front end to the rear end of the flow-regulator, with the widest spacing occurring at the front end, towards the writing tip of the pen.
REFERENCES:
patent: 2694382 (1954-11-01), Miessner
patent: 3290717 (1966-12-01), Mizutani
patent: 3951555 (1976-04-01), Wittnebert et al.
patent: 4239408 (1980-12-01), Mutschler
patent: 4382707 (1983-05-01), Anderka
patent: 4522525 (1985-06-01), Saito et al.
Bratlie Steven A.
Pilot Ink Co., Ltd.
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