Sealed cartridge to improve chemistry stability of test elements

Details Sealed cartridge to improve chemistry stability of test elements Sealed cartridge to improve chemistry stability of test elements

1996-02-08

1998-06-02

Krizek, Janice L.

Material or article handling

Apparatus for moving intersupporting articles into, within,...

Unstacking apparatus

414786, 422104, B65G 5902

Patent

active

057590109

ABSTRACT:
An improved cartridge and method of dispensing test elements therefrom, which seals off the elements from exposure to the atmosphere. The cartridge includes, at its end apertured to eject test elements, a cover plate, said plate optionally being biased into contact with the end-most test element to cover the fluid opening provided in all such test elements. To dispense that end-most element, a pusher blade engages and ejects the element as in conventional cartridges. Optionally, the opposite end of the cartridge is sealed with a duck-bill seal.

REFERENCES:
patent: 4190420 (1980-02-01), Covington et al.
patent: 4512952 (1985-04-01), Blanding et al.
patent: 4814279 (1989-03-01), Sugaya
patent: 5043143 (1991-08-01), Shaw et al.
patent: 5330716 (1994-07-01), Shaw et al.
patent: 5599505 (1997-02-01), Fujisaki et al.

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