A tearable cover structure

Patent name: A tear-openable lid structure Patent applicant Crown Packaging Technology Corporation Principal applicant address Illinois Illinois inventor A. Wilson Wilson; A. J. Wallis application (patent) No. 03817561.4 Date of application 2003.06. 30 Certification date Approval Notice No. 1684879 Auditing announcement date 2005.10.19 Instruction CD-ROM D0542 Main classification number B65D77/20 Classification number B65D77/20 Partition Original application number Priority item 2002.7.26 EP 02255210.3 Abstract A special type of cover The peelable lid structure (1) of the food can has a pull tab (3) that can be folded over to the intermediate panel (4) and secured to a folded position for ease of handling and/or handling of the contents of the can. Since the pull tab (3) is fixed, inexpensive layered structural materials that require little or no aluminum content can be used. The method of forming the tearable closure structure (1) includes exposing the heat sealing material layer and/or the adhesive layer, bending the pull tab (3) and bonding it to the layer by, eg, heat sealing. Slaves 1. A tearable closure structure for a container, the tearable closure structure comprising: a barrier layer for preventing the passage of fluid; and a pull tab from the tearable closure a middle panel of the structure is extended, the tearable lid structure can be removed from the container so that the contents of the container can be contacted, wherein the barrier layer comprises a layer of aluminum material less than 20 microns thick; The tabs can be bent to the middle panel and secured to the folded position on the middle panel to facilitate handling of the contents of the canister and/or for handling. International Application PCT/EP2003/006929 2003.6.30 International Publication WO2004/014758 English 2004.2.19 Date of Entry into the Country Patent Agency China Patent Agency (Hong Kong) Co., Ltd. Agency Address Agent Hu Qiang