Writing instrument having a needle slidably mounted in a tubular

Coating implements with material supply – Including stylus

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Details

401259, B43K 106, B43K 516, B43K 110

Patent

active

045225257

ABSTRACT:
A writing instrument has a tubular tip and a needle longitudinally mounted within the tubular tip for enhancing the flow of ink towards a writing point of the tubular tip. The writing instrument has a mechanism which provides a smooth flow of ink without forming an air ring or bubble in the passage of the ink.

REFERENCES:
patent: 243364 (1881-06-01), Downes
patent: 2029152 (1936-01-01), Bonkowski
patent: 3459486 (1969-08-01), Matschkal
patent: 3561881 (1971-02-01), Bok
patent: 3580689 (1971-05-01), Riepe
patent: 3938899 (1976-02-01), Mutschler
patent: 4364684 (1982-12-01), Kohno et al.

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