An exemplary method for releasing a vacuum seal is disclosed as comprising inter alia puncturing a portion of a lid closure with a penetrator device and optionally sealing the puncture with a laminar valve or thin film held in place with PST or other suitable adhesive. Disclosed features and specifications may be variously controlled, adapted or otherwise optionally modified to improve release of a vacuum seal for any application or operating environment. Exemplary embodiments of the present invention generally provide for quick, easy and safe opening of vacuum packaged containers for food products.