SELF-ADHESIVE BOOKBINDING COVER.

摘要

The herein disclosed self-adhesive bookbinding cover is composed of the cardboards A1, A2 bearing therebetween a flexible -shaped metal spine B having inside a two-face self-adhesive tape . Bookbinding is easily achieved upon removal of the protective gelatin from the self-adhesive tape, placement of the sliding sheets inside the metal spine and pressure applied by fingers on both lateral sides of the spine.