Abstract: Retortable packages including plastic closure caps are disclosed. The closure cap includes an end panel and a liner applied to the end panel. The finish contacting surface of the liner has a profile that is generally arc-shaped or torroidal-like prior to contact with the finish.

Abstract: This relates to an improved container tamper evident bead and neck finish arrangement which provides improved tamper evident band breakage upon removal of an associated closure. Most specifically, beneath the customary retaining bead, a container neck finish is of corrugated or scalloped configuration and is of a size whereby the tamper evident band or a retaining bead thereof is stretched across the space defined by a groove between two adjacent ribs so as to provide for a degree of interlock between the stretched tamper band and the container neck finish such that the tamper evident band is restrained against rotation with the remainder of the closure when the closure is rotated to effect removal thereof. This provides for a much quicker and more reliable breaking of the webs joining the tamper evident band to the closure skirt.

Abstract: This relates to closures which are screw threaded onto container neck finishes and which are provided with tamper indicating bands connected to the closure by rupturable bridges. The closure is improved by specifically limiting the number of bridges and specifically locating the bridges relative to the starting end or ends of a related thread or threads so as to assure fracture of all bridges upon each opening of a container by unthreading the closure. This abstract forms no part of the specification of this application and is not to be construed as limiting the claims of the application.