Seal cap of ball-point pen

摘要

(57) Abstract Objective Seal cap for refill of ball-point penSo being, holding down the increasing of the internal pressure when installing, to inside the inkAs inflow of the blowhole is formed prevention possibility, the Tip ball dryTo hold down the , the springing out of the Tip ball when falling prevention possibilityWith it does. Constitution In order to prevent drying the Tip ball the writing TipInlaying being the seal cap which is stuck, particular shirukiyaAs for tsupu the possession where the whole consists of the elastic body of the non open cell with the non absorbencyWith the barrel the bottom, the Tip ball pressure welding on both sides the cartridge head which is done cylinder internalAs it can provide the hole and the pore which communicates outside, among the poresOn side as needed edge rib sudden facilities being done on cartridge head, it becomes.