Patent ID: 9051099
Filing Date: 2015-06-09
Classification: B65D

Abstract:
1. A one piece dispensing lid comprising: an external section and an internal section, the internal section having a plurality of thread ribs, the external section having a top edge with a central depression housing a flexible diaphragm, the central depression surrounded by a perimeter flat ring having a rounded edge that is attached to a vertical side skirt; within the vertical side skirt is a hollow cylinder structure and a central stem, the vertical side skirt is joined to a security band by a membrane; a container cylinder extending from the inside of the top edge of the external section to a lower edge of the security band, the container cylinder containing an additive; the flexible diaphragm defining a tearing device is made up of three concentric continuous rings located in different planes, the three concentric continuous rings allowing for flexibility of the flexible diaphragm and defining flat zones or diaphragm rings, whereby underneath the flexible diaphragm is the hollow cylinder structure and the central stem, the hollow cylinder having tearing teeth in a lower perimeter edge; and a length of the hollow cylinder structure is approximately equal to the length of the container cylinder; and a metallic sheet seal tightly closing the lower edge of the container cylinder and not being an integral part of the lid.