Writing instrument

Details Writing instrument Writing instrument

1975-04-03

1976-07-13

Charles, Lawrence

Coating implements with material supply

Material flows through porous tool

Wick feed from within reservoir to tool

401292, B43K 500, B43K 102

Patent

active

039690270

ABSTRACT:
Relates to a pocket-type writing instrument, employing an extruded rod-like writing element composed of a homogeneous thermoplastic composition having a formation of longitudinally extending ink-conducting channels around an axial channel, one end of said element constituting the writing point and the other being in contact with a body of ink, usually carried in an absorbent material contained in the barrel of the pen. Provides novel means for preventing axial displacement of the writing element without damage to or constriction of the ink channels therein and without the use of wire pins which may interfere with the ease of handling of the instrument.

REFERENCES:
patent: 3003181 (1961-10-01), Rosenthal
patent: 3141187 (1964-07-01), Simon et al.
patent: 3345674 (1967-10-01), De Groft
patent: 3778495 (1973-12-01), Wooley

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