| 摘要 |
Ink contains drying retardation agent. Writing device (1) comprises ink (5) in fibrous or non-fibrous reservoir, drying retarding agent soluble or dispersible in the ink, and a nib (7) transferring the ink from the reservoir to the point of contact with writing material. Drying retardation agent is included in nib and it is carried by ink transferred by nib. Independent claims are also included for: (1) process of production of writing nib comprising: (a) continuous impregnation of high capillarity longitudinal element, using bath containing determined amount of drying retardation agent and ensuring homogeneous distribution of agent within transverse cross-section of element; (b) drying impregnated element; and (c) truncating and machining; (2) writing article in which drying retardation agent in nib is situated mainly within its peripheral part; and (3) production of writing nib suitable for article as claimed in (2), by: (a) impregnating already machined nib in bath containing determined amount of drying retardation agent; and (b) drying impregnated nib, with agitation, at up to 60 deg C.
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