Ink removal device for foils of overhead projectors consists of pen-shaped water/solvent container with absorbent fiber material tip and cover

摘要

The device consists of a pen-shaped storage container (1) with an opening at one end. The opening holds a tip (3) of absorbent fiber material. The container is filled with water or an organic solvent, and may also contain an absorbent fiber material. The tip is protected against drying-out by a cover (4).