Penetrable cap

Details Penetrable cap Penetrable cap

2010-04-01

2011-11-08

Wallenhorst, Maureen M (Department: 1777)

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Miscellaneous laboratory apparatus and elements, per se

C422S500000, C422S512000, C422S513000, C422S534000, C422S547000, C422S550000, C422S568000, C215S247000, C215S248000, C215S249000, C215S250000, C436S177000, C436S180000

Reexamination Certificate

active

08052944

ABSTRACT:
A cap having a core structure dimensioned to receive a pipette therethrough. The cap includes two axially aligned frangible seals that are affixed to the core structure in a spaced-apart relationship. The frangible seals include a foil layer and are constructed so that air passageways are formed between the frangible seals and a pipette tip when the pipette tip penetrates the frangible seals. The cap optionally includes a filter interposed between the first and second frangible seals.

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