incorporating loops, e.g. of wire, which are tightened around seal

Hand- or power-operated devices for opening closed containers > for breaking vacuum seals between lids or covers and bodies of preserving jars, e.g. by wedge action > incorporating loops, e.g. of wire, which are tightened around seal

Hand- or power-operated devices for opening closed containers (nail pullers or extractors B25C11/00; attached to, or incorporated in, containers or container closures ) > for breaking vacuum seals between lids or covers and bodies of preserving jars, e.g. by wedge action > incorporating loops, e.g. of wire, which are tightened around seal