Patent ID: 8205764
Filing Date: 2012-06-26
Classification: B01L

Abstract:
1. A cap for a vessel, the cap being configured to mate to the vessel to enclose a vessel interior, the cap comprising: a) a body configured to mate to the vessel and having a cap cavity; b) a spike cap portion connected to the body by a spike cap arm, the spike cap portion comprising a closed top and a spike with a sharp distal end; and c) a driver cap portion comprising a bearing surface, wherein the driver cap portion is connected by a driver cap arm to an upper wall that extends upward from the body, the upper wall being open in the region where the spike cap arm connects to the body, wherein the driver cap arm is disposed opposite that of the spike cap arm, and wherein the cap is adjustable between a first-stage position in which the cap cavity is fluidicly isolated from the vessel interior and a second-stage position in which the cap cavity is fluidicly coupled with the vessel interior.