B - Operations – Transporting – 42 – D
Patent
B - Operations, Transporting
42
D
283/20
B42D 15/00 (2006.01) D21F 11/00 (2006.01) D21H 21/42 (2006.01) D21H 27/34 (2006.01)
Patent
CA 1316958
ABSTRACT SECURITY PAPER FOR BANK NOTES AND THE LIKE Security papers according to the invention comprise opposed surfaces for the provision of printing to identify a document formed from the paper, and positioned at least partially between the two surfaces of the paper as a public security feature a security device of not more than 5mm width, which device comprises a flexible, water-impermeable substrate with a layer of metal on one or both sides of the substrate, there being present on one side of the device a continous metal path along its length, wherein said device has metal-free portions of between 10% and 50% of the area of the device, said metal-free portions along the length of the device providing a repeating pattern, design, indicia or the like with at least some of the metal free portions across the transverse direction of the device being wholly surrounded by metal. The metal-free portions may provide characters of a language, such as letters of the English alphabet. The security device may be a strip or thread and this may be positioned in a window, or in an aperture where two windows are impartial or complete register. WD: 4445G
584861
Knight Malcolm Robert Murray
Melling Raymond Joseph
Portals Limited
Ridout & Maybee Llp
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