Coating implements with material supply – Including ball – roller or endless-belt tool – Ball
Patent
1986-07-09
1988-01-05
Goldberg, Howard N.
Coating implements with material supply
Including ball, roller or endless-belt tool
Ball
29441BP, 401213, 401220, B43K, B23P 1100
Patent
active
047172770
ABSTRACT:
A method for the production of a writing point for liquid ink by utilizing a tube (5) of small internal diameter and a writing point which is produced thereby are proposed. In such a case, axially extending ink channels (3) are provided in the internal wall of the fixed tube (5) having an internal diameter which substantially corresponds to the diameter of a ball (1), said channels (3) extending to the free end of the tube (5) and being spaced from one another. A circumferential, annular recess (9) is formed in the tube (5) at a distance from the free end of said tube, and the ball (1) is inserted into the free end until it abuts against the recess (9). Subsequently, the free edge of the tube (5) is inwardly flanged, and a substantially cylindrical ink conductor (4) is inserted into the remote end of the tube and partially overlapped by the ink channels (3).
REFERENCES:
patent: 2879586 (1959-03-01), Fehling et al.
patent: 4134199 (1979-01-01), Laguori
patent: 4500222 (1985-02-01), Clading-Boel
patent: 4547946 (1985-10-01), Osaki et al.
patent: 4547947 (1985-10-01), Oshita
patent: 4603994 (1986-08-01), Mitsuda et al.
Goldberg Howard N.
Wallace Ronald S.
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