| 摘要 |
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. |
