Abstract: A tamper evident closure for use on a container neck, the closure including a cap and separately formed security device, connector means for attachment of the security device to the cap, the security device including anchor means disposed to catch beneath a shoulder as provided on the container neck when the cap is attached to the container neck, the connector means comprising a frangible joint adapted to rupture during removal of the cap from the container neck whereby to enable the security device to break away from the cap, the anchor means being engageable with the shoulder of the container for retaining the security device on the container neck when the cap is removed therefrom, the security device thereby evidencing that the container has been opened; and a method of manufacturing such tamper evident closure.
May 11, 1988
Date of Patent:
April 24, 1990
Thoroughbred Plastics Corp.
William M. Roof, Eric J. Roberts, Dennis P. Blair
Abstract: A pourout fitment/closure that may be applied as a single unit to a container for liquids, includes a plurality of areas providing a liquid tight seal as torqued onto a container, and wherein, on removal of the closure, the fitment regulates and provides a smooth rate of flow of liquid as it is dispensed therethrough from the container.
Abstract: A linerless bottle cap having a plurality of resilient concentric sealing rings for abutment with the annular rim about the incipient mouth of the neck of a bottle in sealing the mouth thereof, preferably two concentric sealing rings, the concentric sealing rings being preferably of scalene cross section having a curvilineal depending vertex comprising the sealing lip thereof and in which the outer face thereof extends from the top portion of the cap at an acute angle toward the inner diameter of the skirt thereof, the outermost of the concentric sealing rings being the longer and the others being stepped progressively shorter from the outermost to the innermost thereof, the concentric sealing rings being spaced apart for abutment of the confronting faces thereof on tightening of the cap on the bottle, the confronting faces of the concentric sealing rings having a common terminus adjacent joinder thereof to the top portion of the cap.