Self-seating self-sealing labware adapter

Details Self-seating self-sealing labware adapter Self-seating self-sealing labware adapter

1997-04-25

1999-05-11

Pollard, Steven

Receptacles

Sidewall structure

Contoured sidewall

494 16, 215296, B65D39/00

Patent

active

059018739

ABSTRACT:
A labware adapter having a tubular body with upper and lower spaced apart annular collars, serving to guide the adapter into a rotor bore, while at the same time defining a fluid reservoir between the two collars and the inside wall of the rotor. The upper collar has peripheral indentations through which fluid can pass for ingress into the reservoir in the event of sample leakage from the internal portion of the adapter. The lower collar has a vent channel for allowing fluid to move past the collar, for example on insertion of the adapter into a rotor bore. The indentations, vent channel and reservoir all provide mass relief for the adapter, lowering the overall moment of inertia for the adapter, compared to one fitting into the same bore with a smooth tubular shape. The tubular body has an annular ridge above the upper annular collar defining seal glands so that a cylindrical cap can be fit over the ridge in sealed relation with the tubular body. The cap is threadless and is pressed over elastomer seals in the seal glands. Centrifugal loading of the cap onto the tubular body enhances sealing action.

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patent: 5720925 (1998-02-01), Oehme

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