ACCESSORY FOR MAKING RECORDS Russian patent published in 2012 - IPC B43L1/00 

FIELD: printing industry.

SUBSTANCE: accessory comprises an erasable board or boards, the writing surface of which is a plastic, wax or wax-like coating applied onto the substrate. Symbols applied onto boards, for instance, with a sharpened rod-like stylus, are areas of open exposed surface of the substrate that differ in colour and/or brightness on the background of its remaining surface hidden under the layer of the plastic substance.

EFFECT: plastic coating and surface of substrates, onto which it is applied, have mutually contrast light-reflecting or light-radiating characteristic.

32 cl, 4 dwg