INK REPLENISHING HOLE-OPENING TOOL AND INK REPLENISHING APPARATUS

摘要

PROBLEM TO BE SOLVED: To easily and certainly open an ink replenishing hole at a time of the filling work of an ink cartridge with replenishing ink without injuring the hand or the like. SOLUTION: An ink replenishing hole opening tool has function for opening an ink replenishing hole for injecting replenishing ink in an ink cartridge and consists of a drill part 23 opening the ink replenishing hole, the grip part 24 provided to the end part of the drill part 23 and the guide protecting cylinder 25 mounted on the drill part 23 in a freely movable manner.