MANUFACTURING METHOD OF PAPER INSERTED WATER MARK BY USING FOURDRINIER PAPER MACHINE
摘要
PURPOSE: A manufacturing method of paper inserted water mark by using a fourdrinier paper machine is provided which is characterized by reducing production cost. CONSTITUTION: The paper inserted water mark is obtained by a process containing the steps of: stopping paper material supplied from a head box(9) through a paper material guidance system temporarily; moving a movable slice(8) to flow the paper material; arriving on a water mark pressing embossed part of wire; passing through a suction pipe(10) to dewater by force; and then recharging the surrounding paper material into the dewatered embossed part to increase a difference of density of the paper material on the water mark part.
申请公布号
KR20020058118(A)
申请公布日期
2002.07.12
申请号
KR20000084957
申请日期
2000.12.29
申请人
KOREA SECURITY PRINTING & MINTING CORP.
发明人
CHOI, DEOK GYU;HWANG, SEONG IK;KIL, JEONG HA;KIM, DEOK GI