Ink guide for a ballpoint pen

Details Ink guide for a ballpoint pen Ink guide for a ballpoint pen

1993-05-10

1994-08-09

Bratlie, Steven A.

Coating implements with material supply

Including ball, roller or endless-belt tool

Ball

401216, B43K 710

Patent

active

053360095

ABSTRACT:
A non-absorbent ink guide is provided which allows a ballpoint pen to replaceably use different ink cartridges of different concentration. The ink guide has channels of different pitches for guiding the ink to the tip thereof and for returning flow of the ink after the tip has been saturated with the ink, a buffer portion to reduce the hydrodynamic pressure and flowing speed of the ink, and a collar to define the distance of the tip to the steel ball of the ballbearing of the ballpoint pen.

REFERENCES:
patent: 2847975 (1958-08-01), Lawton
patent: 3063420 (1962-11-01), Tefft
patent: 4139313 (1979-02-01), Hori
patent: 4430014 (1984-02-01), Tsai
patent: 4770558 (1988-09-01), Frietsch

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