| 摘要 |
<p>The double-ended writing instrument comprises a casing (1) with nibs etc (4,5) at opposite ends and supplied with ink from different reservoirs. One (4) of the nibs traces fine lettering or symbols, while the other (5) forms thicker or more accentuated ones, if necessary in a different colour. The casing can be cylindrical, with a smaller-diameter cylindrical portion at one end protected by a removable cylindrical cap. The other end is tapered, accommodating a cylindrical cap with a clip, whose internal diameter allows fitting over the first cap. The latter can also be arranged to fit part-way over the taper end.</p> |
