A security thread is a security feature of many bank notes to protect against counterfeiting, consisting of a thin ribbon which is threaded through the note's paper. A £20 Ulster Bank banknote. ... A counterfeit is an imitation that is made with the intent to deceptively represent its content or origins. ...
Usually, the ribbon runs vertically, and is "woven" into the paper, so that it at some places emerges on the front side and at the remaining places at the rear side of the paper.
Usually, it is made of metal foil, but sometimes of plastic. Often, it has some text or numbers (e.g. the denomination) engraved.
If you let light shine through the bill, you can check whether it is really woven and not printed on it by making sure that you see one continuous line. Also, check that a metal thread really has its metallic shine.
A security element that can be embedded in the form of a thread or strip in a security document, in particular a paper of value, is composed of two carrier sheets, each of which bears each of the marking substances allowing for detection of authenticity.
The present invention relates to a security element in the form of a thread or strip to be embedded in a security document comprising a carrier sheet and at least one marking substance applied thereto, e.g.
The securitythreads may also be embedded in the document by methods known as such so as to appear in certain places on the surface.
The security strip or thread in such documents is exposed in a controlled manner on one side of the paper from which the document is formed.
An elongate securitythread is fed into contact with the cylinder which has raised portions thereon so that the thread overlies the raised portions as fibres begin to deposit on the cylinder.
The continuous flexible security element in the form of a strip or thread 20 to be fed into the paper, is generally of uniform construction and thickness.
Feeds |
Contact