Sealing cap

Details Sealing cap Sealing cap

1986-06-06

1987-11-03

Norton, Donald F.

Bottles and jars

Closures

Receptacle interior communicable with exterior with closure...

B65D 5116

Patent

active

047038659

ABSTRACT:
A sealing cap for a bottle or other container comprises a tubular body and a plug disposed within the through-bore of the tubular body. The plug is displaceable within the through-bore from an initial position in which it seals the through-bore, to an intermediate position in which it is a loose fit so that the container may be evacuated through the body, and then to a final position in which it seals the through-bore. The cap has particular utility for blood sampling bottles, which are evacuated and then pierced through the cap by a fine tubular needle so as to apply suction to the needle, from within the bottle, and thus draw a sample of blood through the needle and into the bottle.

REFERENCES:
patent: 404059 (1889-05-01), Staib
patent: 2598403 (1952-05-01), Macey

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