a portable and handy diameter by having a configuration where the horizontal cross-sectional shape of the part with the largest diameter for filling the ink, of two refills stored in the pen holder substantially inscribes with the cross-sectional shape of the inner circumference of the pen holder...
Ball point pen, ink, and its eradicator system Disclosed is a ball point ink pen, its ink and its eradicator. The ink is carried at one end of the pen and the eradicator portion is carried at the other. If an error is made, the pen can be reversed and the eradicator used to ...
Therefore for people to use neutral pen specific situation, gel ink pen production and sales in recent years, all treatwaste recycling attitude, refills by dumping waste refills environment dangers and recycling waste refills, our team aspects by visiting, questionnaire investigation, interview and so...
PROBLEM TO BE SOLVED: To provide a writing utensil which has a pen refill holder to be removed from the body by a simple means and also enables a new pen refill or different types of pen refills to be replaced. SOLUTION: This writing utensil is characterized in that a notched part which...