Composite container having an electromagnetic surveillance device

Abstract

A composite container having an electromagnetic surveillance device such as an EAS or RFID device or the like, and an outer label and/or inner liner that does not contain a metal foil layer. The label in one embodiment comprises a lamination of a paper layer and at least one polymer film layer. The polymer film layer is either metallized with a vapor-deposited layer of metal, or has a metallic ink disposed thereon. The liner comprises a paper layer, a barrier-coated film attached to the inner surface of the paper layer, and a sealant layer disposed on an opposite side of the barrier-coated film from the paper layer and forming an innermost surface of the liner, the sealant layer comprising a heat seal material. The barrier-coated film can comprise a metallized film, an aluminum oxide-coated film, a silicon oxide-coated film, or the like.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application is a continuation-in-part of U.S. patent application Ser. No. 10 / 842,751 filed May 11, 2004, currently pending, the disclosure of which is incorporated herein by reference.BACKGROUND OF THE INVENTION [0002] The present invention relates to composite containers, and more particularly relates to composite containers that incorporate an electronic article surveillance (EAS) or radio frequency identification (RFID) device. These EAS and RFID devices, and other devices operating on similar principles, are generically referred to herein as electromagnetic (EM) surveillance devices. [0003] It is becoming increasingly common for the operators of retail establishments to attach EM surveillance devices to products to deter and detect shoplifting. A number of different types of EAS tags and detector systems have been developed and are in use. Generally, all EAS systems include a detection zone formed by a transmitter and a receive...

AI Technical Summary

Benefits of technology

[0022] Further enhancement of the barrier performance is provided in other embodiments by including multiple metal layers and protective coating layers. For instance, the metallized film can have a first metal layer applied to the substrate and then covered by a first protective coating, a second metal layer applied over the first prot

Problems solved by technology

In addition, the read range of a Bistatix device is dependent on size, and for long read ranges a very large device may be required.

However, at least some types of EM surveillance devices cannot be used with c

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