Patent ID: 7219874

Claim:
An access fitting for an opening in the wall of a gas sampling bag, said fitting comprising: a housing having a base and a cap located respectively on interior and exterior sides of said wall, said base and said cap being provided respectively with inner and outer ports aligned with said opening to provide a through passageway communicating with the interior of said bag; a septum interposed between said cap and the exterior side of said wall, said septum having a hole therein and being slidably adjustable between an open position at which said hole is aligned with said passageway, and a closed position at which said hole is removed from said passageway and said passageway is blocked by an imperforate segment of said septum; and a tubular connector received in said outer port, said connector being axially adjustable between an advanced position frictionally resisting sliding adjustment of said septum, and a retracted position accommodating such adjustment.