COPYING SLIP HAVING FUNCTION OF PREVENTING ALTERATION

摘要

PROBLEM TO BE SOLVED: To provide a copying slip making it hard to alter copying information even in the case when the slip is used under the situation that the number is not controlled. SOLUTION: In a slip wherein paper pieces 2 and 3 are fixed separably along one side and a pressure-sensitive copying ink layer 5 is provided between the paper pieces 2 and 3, the pressure-sensitive copying ink layer 5 is so designed that a copying image divided by colors along a pattern having continuity is formed with ink of two or more colors.