Ink writing or drawing instrument

Details Ink writing or drawing instrument Ink writing or drawing instrument

1987-02-09

1988-09-13

Apley, Richard J.

Coating implements with material supply

Including ball, roller or endless-belt tool

Ball

401199, 401217, B43K 700, B43K 708

Patent

active

047705582

ABSTRACT:
In an ink writing instrument, the ink storage space is divided into individual chambers that are inside the housing and are arranged axially one behind one another. The chambers are connected with the writing point by an ink guide. The ink-filled chambers are emptied one after the other by capillaries in the ink guide, air entering the chambers by a ventilation duct in the mouthpiece and the capillary ventilation openings. When ink is removed, no enclosed air volume is formed inside the storage space. In a second embodiment, the chambers are emptied simultaneously, the ventilation duct being opposite the writing point.

REFERENCES:
patent: 2187528 (1940-01-01), Wing
patent: 2504649 (1950-04-01), Chesler
patent: 2681041 (1954-06-01), Zodtner et al.
patent: 2694382 (1954-11-01), Miessner
patent: 3115119 (1963-12-01), Green
patent: 3129696 (1964-04-01), Makler
patent: 3947137 (1976-03-01), Hori
patent: 4207012 (1980-06-01), Kuparinen
patent: 4509876 (1985-04-01), Hori
patent: 4556336 (1985-12-01), Sano et al.
patent: 4669906 (1987-06-01), Narushima et al.
patent: 4712937 (1987-12-01), Schmidt et al.

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