Pump inserter for test tubes

Details Pump inserter for test tubes Pump inserter for test tubes

1989-07-24

1991-10-08

Lacey, David L.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

422100, 422103, 422 63, 436 48, 7386417, 7386487, 7386331, 7386332, B01L 900

Patent

active

050552716

ABSTRACT:
Apparatus for securing pump mechanisms to test tubes sealed by a closure such that the contents of the test tubes may be discharged without removing the closure. The apparatus includes a rack for holding a plurality of pump mechanisms, each of the pump mechanisms including a downwardly extending needle or the like for penetrating the closure of the test tube. The test tubes are arranged within a tray in a plurality of rows, and each row is sequentially advanced into position. As each row is in position, the pump mechanism is moved toward the row of test tubes to penetrate the test tube closures. The pump mechanisms thereafter released, the rack filled with a next series of pump mechanisms, the test tube array indexed, and the cycle of steps is repeated. The pump mechanism needles are initially imbedded in a protective packaging. The apparatus strips away the protective packaging to expose the sharpened points or tips of the pump mechanism.

REFERENCES:
patent: 3687175 (1972-08-01), Babey
patent: 4301116 (1981-11-01), Ida et al.
patent: 4478094 (1984-10-01), Salomaa et al.
patent: 4554839 (1985-11-01), Hewett et al.
patent: 4605536 (1986-08-01), Kuhnert et al.
patent: 4779467 (1988-10-01), Rainin et al.
patent: 4812293 (1989-03-01), McLaurin et al.
Technical Brief, Zymark Corporation, copyright 1985.

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