Method of manufacturing security elements for electronic article surveillance and security element
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United States of America Patent
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Jul 1, 2003
Grant Date -
Sep 12, 2002
app pub date -
Sep 20, 1999
filing date -
Sep 19, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is directed to a method of manufacturing security elements for electronic article surveillance, the security elements being made of at least two layers, and to a security element manufactured according to the method The method comprises the steps of applying a first layer of a cellulose material in a still moist state to a second layer of a cellulose material, with soft magnetic elements which emit a characteristic signal in the interrogating field of an article surveillance system being added to one of the two layers; and subsequently die stamping or cutting out the desired shape of the security elements from the two layers in the dry state. The method provides a low cost manufacturing means for reliably operating security elements.
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