Method of and apparatus for simultaneously filling the cup-shaped cavities of a microbeaker plate
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United States of America Patent
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-
Nov 11, 1986
Grant Date -
N/A
app pub date -
Mar 19, 1985
filing date -
Mar 22, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for simultaneously filling a set of microcups includes a corresponding number of storage vessels having capillary outlets projecting into the microcups. The distance between the outlets and the bottom of the microcups is adjustable so that the filling quantity of the microcups can be modified depending on the requirements. For discharging fluid out of the storage vessels into the aligned microcups, diaphragms are used which are connected directly to the storage vessels or to auxiliary vessels cooperating with the storage vessels and are acted upon by a pressure plate located above the diaphragms. By pushing the pressure plate against the diaphragms, an overpressure is caused above the liquid within the storage vessel so that at first an excessive amount of liquid is discharged into the microcups. Upon release of the pressure, the diaphragms return to their initial position thus drawing in the excessive amount of liquid.
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