Coating implements with material supply – Including ball – roller or endless-belt tool – Ball
Patent
1983-11-08
1985-08-20
Bratlie, Steven A.
Coating implements with material supply
Including ball, roller or endless-belt tool
Ball
401151, 401210, 401217, 401230, B43K 700, B43K 708
Patent
active
045360995
ABSTRACT:
A ball-point writing instrument in which dislodging of the rotating ball as a result of accidental droppage on a hard surface is prevented by employing an ink reservoir construction designed to prevent propagation of a travelling pressure step in the column of ink above the rotating ball.
REFERENCES:
patent: 2883969 (1959-04-01), Sams
Behrens Henry
Brown Robert L.
Kiricoples Charles P.
Bratlie Steven A.
Janowski Leonard J.
The Gillette Company
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