The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 23, 2021
Filed:
Sep. 24, 2018
DE LA Rue International Limited, Basingstoke, GB;
Melzer Maschinenbau Gmbh, Schwelm, DE;
DE LA RUE INTERNATIONAL LIMITED, Basingstoke, GB;
MELZER MASCHINENBAU GMBH, Schwelm, DE;
Abstract
The present invention relates to a method of manufacturing a security sheet comprising a security element (), a core structure () for forming the security sheet, a stack () including such a core structure (), a security sheet comprising the core structure () or stack () and a security document comprising the security sheet. At least one perforation () is formed through, from a first core surface () to a second core surface () of, at least one core layer () comprising plastic. A security element () is fed through the at least one perforation () such that the security element () extends through, from the first core surface () to the second core surface () of, the at least one core layer (). At least one first region () of the security element () is located over part of the first core surface () and at least one second region () of the security element () is located over part of the second core surface ().