Method and a closure cap for sealing a capillary tube

Details Method and a closure cap for sealing a capillary tube Method and a closure cap for sealing a capillary tube

1984-12-24

1986-03-18

Culver, Horace M.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

128763, 215307, 215355, 220DIG19, A61B 1000, A61J 100

Patent

active

045765952

ABSTRACT:
A capillary tube containing a sample is anaerobicly sealed by means of closure caps each comprising an end wall and a skirt portion. Each open end of the capillary tube is sealed by inserting the open tube end into the cap skirt portion, and in order to avoid that a volume of air is forced into the capillary tube, the space defined between the open tube end and the cap end wall is vented to the atmosphere through one or more venting passages defined in the walls of the closure cap or between the inner surface of the cap skirt portion and the adjacent outer peripheral surface of the capillary tube. The open tube end is brought into sealing engagement with sealing means on the cap end wall, and frictional engagement established between the inner surface of the cap skirt portion and adjacent outer peripheral surface parts of the capillary tube secures that said sealing engagement is maintained.

REFERENCES:
patent: 1700227 (1929-01-01), Jeffery
patent: 2208899 (1940-07-01), Freeman
patent: 2655280 (1953-10-01), Cuttell et al.
patent: 2877918 (1959-03-01), Gardner
patent: 3118578 (1964-01-01), Collins
patent: 3307552 (1967-03-01), Strawn
patent: 3888382 (1975-06-01), Blumhardt
patent: 4008820 (1977-02-01), Ruetz
patent: 4202334 (1980-05-01), Elson

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