Tail plug structure of rihuiru such as water ball-point pen

摘要

(57) Abstract (Modified) Objective Inside the shaft tube and the shaft tube which was formed between the outside tail plug and the Nakao plugThe air current aisles which communicate outside, falling off I''m from the ink occlusion bodyTry not to inhibit with nki. Constitution Approximately half of Nakao plug 3 dense Inlaying major diameter 3a, as for remainderNarrow diameter portion 3b and the narrow diameter portion 3b which form annular three-dimensional place 14Tip side Tip 3 of the light-gage which is bonded to the outside tail plug 2 head baseIt makes c. Drum section Tip of outside tail plug 2 and head base of Nakao plug 3The channel 5,7 which is communicated to the opening 13 between outside tail plug 2 and Nakao plug 3It Perforating facilities to do, complete penetration side hole 15 Perforating facilities is done in center of narrow diameter portion 3bru.