Aqueous ink writing tip

Details Aqueous ink writing tip Aqueous ink writing tip

1979-07-10

1985-02-19

Bratlie, Steven A.

Coating implements with material supply

Including ball, roller or endless-belt tool

Ball

401198, 401216, B43K 710, B43K 802

Patent

active

045002223

ABSTRACT:
A writing tip 1 for use with aqueous ink comprises an elongate housing 2. A writing ball 3 is retained in a socket 4 at one end 5 of the housing and a fibrous feed core 6 having aqueous ink feeding capillaries extends into a bore 7 in the housing from the other end 8. The core 6 acts to transfer aqueous ink from a source to the ball via a grooved feed passage 9 between the bore 7 and socket 4 and in order to provide releasable transfer of ink between the core 6 and the passage 9, the core is inserted into the end 13 of the passage, the material of the core being substantially uncompressed within the grooves 12 of the passage 9 and assuming substantially the cross-section of the passage at least at the end 13.

REFERENCES:
patent: 3361516 (1968-01-01), Rigondaud
patent: 3572954 (1971-03-01), Cheron
patent: 3966336 (1976-06-01), Lotfallah
patent: 4145148 (1979-03-01), Fukuoka

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