Ballpoint pen with metallic rod ball seat

Details Ballpoint pen with metallic rod ball seat Ballpoint pen with metallic rod ball seat

1983-06-09

1985-07-16

Bratlie, Steven A.

Coating implements with material supply

Including ball, roller or endless-belt tool

Ball

401199, 401216, B43K 108, B43K 710

Patent

active

045293295

ABSTRACT:
A writing instrument with a ballpoint pen comprising a metallic fine rod having a plurality of capillary holes for flowing ink from one end thereof through the other end in the interior thereof, a short cylindrical portion extending from one end thereof, and an annular narrowed portion on the peripheral edge of the front end of the short cylindrical portion;
a hard ball rotatably fitted to and held inside the annular narrowed portion and the short cylindrical portion and being in contact with one end of the metallic fine rod inside the short cylindrical portion;
and means for introducing aqueous ink connected to the other end of the metallic fine rod.

REFERENCES:
patent: 2594083 (1952-04-01), Silver
patent: 2880702 (1959-04-01), Joyce
patent: 4076428 (1978-02-01), Otake et al.
patent: 4139313 (1979-02-01), Hori

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