Patent ID: 7691332
Filing Date: 2010-04-06
Classification: B01L,B65D,B65G,H01L,Y10T

Abstract:
1. A penetrable cap comprising: a core structure comprising: a first frangible seal comprising a foil layer, the first frangible seal being affixed to a surface of the ledge to provide a fluid barrier between the first bore and fluid contents of a vessel; and a second frangible seal affixed to a top surface of the side wall, the second frangible seal being disposed over the first bore and in axial alignment with the first frangible seal, wherein the cap is capable of being penetrated by a plastic pipette tip, and wherein the cap is capable of being penetrated by a plastic pipette tip, and wherein air passageways are formed between the first and second frangible seals and a plastic pipette tip when the plastic pipette tip penetrates the first and second frangible seals, whereby air can be vented through the cap when the cap is secured to an open end of a vessel.