Closure assembly with breakaway tamper evident membrane

Claim 1

A closure assembly for a container, comprising: a cap for covering an opening in the container, said cap having a first top side and a second bottom side, said second bottom side including an integrally formed depending flange extending therefrom a predetermined distance and said cap including a projecting lift tab on a portion of its periphery extending therefrom a predetermined distance and arranged substantially normal to said depending flange; engagement means integral with said depending flange of said cap for releasably engaging said cap to the container to cover said opening in the container; a band surrounding the periphery of said cap, said band having a predetermined thickness and width; connecting means for releasably joining said band about the periphery of said cap and said lift tab in a breakaway manner; and a release tab integrally formed with said band, said release tab being formed between a first breakaway score line and a second non-breakaway score line, both said first and second score lines extending across said width of said band and at a predetermined distance from each other, said release tab being engageable by a user to sever said first breakaway score line and enable said release tab to extend away from said band to be grasped by the user and pulled thereby breaking said connecting means and removing said band from about the periphery of said cap, a top portion of said release tab being connected to said cap in a breakaway manner with perforations.