Blockade seal

Printed matter – Having revealable concealed information – fraud preventer or... – Having specific color

Patent

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Details

283 95, 283 94, B42D 1500

Patent

active

059215852

ABSTRACT:
A blockade seal includes a sheet substrate having a hologram forming surface on one surface thereof. A metallic deposition layer is formed on the hologram forming surface, and an adhesive layer is formed thereon. A releasing layer in which ink is filled is formed on the other surface of the sheet substrate. Ink which exhibits a color when it comes into contact with the atmosphere is filled in the releasing layer. A surface layer is formed on the releasing layer.

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