Security paper and method and apparatus for producing the same
AssigneeGiesecke & Devrient GmbH
InventorsMichael Boehm, Horst Reigl, Theo Burchard
Life of this patent
Estimating the term…
Abstract
A security paper for producing security documents, such as bank notes, identity cards or the like, having at least one opening, whereby the opening is produced during papermaking and does not have a sharp limiting edge in the edge area.
Claims16
A value document comprising a security paper, wherein the value document has a first exposed surface side and a second exposed surface side opposite the first surface side and further has at least one through opening extending unobstructed from the first surface side through to the second surface side and including an edge area defining the perimeter of the through opening, whereby the through opening is produced during formation of the security paper on a papermaking screen and the edge area of the through opening consists of paper fiber.
The value document according to dam 6, characterized in that the security element is a label or an embossed foil element.
Dependencies are inferred from the claim text.