Closure device for specimen-containers such as test tubes

Details Closure device for specimen-containers such as test tubes Closure device for specimen-containers such as test tubes

1981-01-06

1983-08-02

Jenkins, Robert W.

Imperforate bowl: centrifugal separators

Miscellaneous

220319, 220352, 494 16, B04B 1500, B65D 4500

Patent

active

043963811

ABSTRACT:
A closure device for a test tube to be used with an ultra-centrifuge comprising an insertion member, the insertion member including a bottom section which is adopted to be inserted into the test tube and has an outer diameter substantially equal to the inner diameter of the test tube and an upper section which extends upwardly from the test tube and has an outer diameter greater than the inner diameter of the said test tube, an abutment positioned outside of the test tube about the upper edge thereof, said abutment being adopted under the influence of centrifugal force to press against the outer surface of the upper edge of the test tube.

REFERENCES:
patent: 3508653 (1970-04-01), Coleman
patent: 3800947 (1974-04-01), Smith
patent: 4087043 (1978-05-01), Anderson
patent: 4102490 (1978-07-01), Chulay
patent: 4114803 (1978-09-01), Romanauskas
patent: 4166573 (1979-09-01), Webster
patent: 4190196 (1980-02-01), Larsen
patent: 4222513 (1980-09-01), Webster

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