Self-contained indicator device

Details Self-contained indicator device Self-contained indicator device

1983-01-31

1986-04-08

Price, William

Special receptacle or package

Combined or convertible

Packaged assemblage or kit

206216, 206219, 206222, 220258, 435 31, 436 1, B65D 2508, B65D 8132

Patent

active

045806829

ABSTRACT:
The application discloses a test vial including a test article for immersion into a fluid medium, a sealed chamber which contains the fluid medium, and an open chamber which is external to the sealed chamber and which supports the test article. The sealed and open chambers define a barrier which isolates the fluid medium from the test article. The open chamber is covered by a closure. Retaining means are positioned on the open chamber and on the closure. The retaining means cooperatively support the closure in a first position and cooperatively receive the closure in a second position. The closure has a means for detaching the barrier from the open and sealed chambers and for injecting the test article in the fluid medium when the closure is moved from the first position to the second position.

REFERENCES:
patent: 3134725 (1967-05-01), Brook et al.
patent: 3255926 (1966-06-01), Modderno
patent: 3378168 (1968-04-01), Hildebrandt
patent: 3402855 (1968-09-01), Schroeder et al.
patent: 3440144 (1969-04-01), Anderson
patent: 3613955 (1971-10-01), Wetherell, Jr.
patent: 3661717 (1972-05-01), Nelson
patent: 3762540 (1973-10-01), Bauman et al.
patent: 3968872 (1976-07-01), Cavazza
patent: 4136775 (1979-01-01), Zaltzman
patent: 4304869 (1981-12-01), Dyke
patent: 4311793 (1982-01-01), Halleck
patent: 4314030 (1982-02-01), Habich
patent: 4348209 (1982-09-01), Murtaugh et al.
patent: 4355113 (1982-10-01), Mennen

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