Container closure

Details Container closure Container closure

1981-04-16

1983-04-19

Hall, George T.

Receptacles

Closures

Externally adjustable plug or gasket

220254, 220288, B65D 5300

Patent

active

043803024

ABSTRACT:
The cap of a centrifuge sample tube has a larger than usual bore therethrough to facilitate sample loading and unloading. Sealing of the larger bored is better than seals which can be achieved with the very narrow bores hitherto considered essential to minimize potential sources of leakage of sample from the tube.

REFERENCES:
patent: 1842261 (1932-01-01), Garwood
patent: 2292726 (1942-08-01), Trippensee
patent: 2462445 (1949-02-01), Weiss
patent: 4084330 (1978-04-01), Fraser

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