Container with peelable lid with protection against unauthorized opening

Abstract

With a packaging having a container and a lid peelably sealed onto a flat sealing shoulder of a circumferential container rim, an indentation is formed in a portion of the sealing shoulder thereby creating a cavity covered by the lid, which cavity, after having cut through along a given cut line, is providing a grip portion of the lid as a tear tab for peeling the lid from the sealing shoulder. This lid system is a valuable protection against unauthorized opening and is effective in restraining unauthorized persons from manually opening the package without using a tool.

1 . A packaging having a container and a lid peelably sealed onto a flat sealing shoulder of a circumferential container rim, wherein
 an indentation is formed in a portion of the sealing shoulder thereby creating a cavity covered by the lid, which cavity, after having cut through along a given cut line, provides a grip portion of the lid as a tear tab for peeling the lid from the sealing shoulder.   
     
     
         2 . A packaging according to  claim 1 , wherein the lid is sealed onto the sealing shoulder at least along a peripheral sealing border strip. 
     
     
         3 . A packaging according to  claim 1 , wherein the indentation is formed in an edge portion of the container. 
     
     
         4 . A packaging according to  claim 2 , wherein the width (b) of the peripheral sealing border strip is reduced over a distance (I) starting from the cut line to lower the effort needed to start peeling the lid. 
     
     
         5 . A packaging according to  claim 1 , wherein the indentation is formed during forming of the container. 
     
     
         6 . A packaging according to  claim 1 , wherein the container is thermoformed or cold formed from a sheet of a plastic monofilm or laminate, or from a plastic/metal laminate. 
     
     
         7 . A method for thief-proof packing a non-food product comprising using a packaging in accordance with  claim 1 . 
     
     
         8 . A packaging according to  claim 1 , wherein the container is cold formed by deep-drawing from a metal/plastic laminate.