Patent ID: 9254946
Filing Date: 2016-02-09
CPC Classification: B01L,B65D

Claim Text:
1. A pierceable cap comprising: a shell connected to a vessel, an access port in the shell comprising an opening, a frangible layer disposed in the access port having at least one tearable portion confined to a peripheral portion of the frangible layer, wherein the frangible layer is adapted to be initially pierced by a transfer device at a location removed from the peripheral portion, such piercing creating an opening in the frangible layer, and as the transfer device is advanced through the frangible layer the at least one tearable portion independently tears, wherein the pierced portion and the tearable portion are separated by an untorn portion, and wherein the peripheral portion in which the tearable portion is entirely disposed is outside the location on the frangible layer that is initially pierced by the transfer device.