| 摘要 |
<p>Ink cartridge for a rechargeable writing instrument, comprising an elongated cylindrical body, of appropriate length, equipped at one end with a closing plug and at the other end with a diaphragm cover for the flow, once perforated, of the ink contained in the cartridge, characterised in that the body consists of a thin-walled tube (1), made from extruded plastic, the closing plug (2) and the diaphragm cover (3) being connected by heat-fusing using a welding pin to the corresponding ends of the body. <IMAGE></p> |
