Mercury sealable plug

Details Mercury sealable plug Mercury sealable plug

B - Operations, Transporting

65

D

210/49

B65D 41/50 (2006.01) A61J 1/06 (2006.01) B65D 51/00 (2006.01)

Patent

CA 1123792

ABSTRACT OF THE DISCLOSURE A sealing device, i.e., a mercury sealable plug, for a neck of a vessel is disclosed. The sealing device comprises a body having a first end and a second end; the first end being adapted to face outwardly from the neck of the vessel and the second end being adapted to be within the vessel. The body has a longitudinal passageway running therethrough with outlets at the first and second ends of the body. Two annular grooves in the outer side surface of the body are adapted to contain two annular rings capable of providing a seal with the inner surface of the neck of the vessel. The outlets at the first and second ends of the body are adapted to be closed by first and second septums respectlvely. The passageway and an annular space defined by the two rings, the outer surface of the body and the inner surface of the neck are adapted to contain mercury to seal the vessel opening in such a way that any contents of the vessel may be sampled by means of a syringe needle through the first septum, the passageway and the second septum over an extended period of time without gases diffusing to or from the vessel between samplings. In an embodiment of the sealing device, at least one channel leads from the passageway to the outer side surface of the body between the two annular grooves. The channel is also adapted to contain mercury and to connect the passageway to the annular space.

282025

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