Sealable container cleaning blackboard erasers. (Machine-translation by Google Translate, not legally binding)

摘要

Recipient of seal for cleaning drafts slate essentially characterized by being formed from a sturdy box, preferably metallic, capable of receiving and supporting inside the necessary beats draft for cleaning the same box provided with a lid closing sensitively hermético, provided on its inner side of media for fixing eraser and outside media for delivery of himself against a lattice rigid operably established within the box parallel to the bottom of it and distanced from her, being provided immediately below that lattice rigid establish a cajon, occupied fully fund the box acting as collector for dust chalk, and pull through a window, preferably located in the front wall box, and living in attachment el cajon quits hermética at the expense of substantially own front said drawer. (Machine-translation by Google Translate, not legally binding)