Patent ID: 6475444
Filing Date: 2002-11-05
Classification: B01L,B08B

Abstract:
A rinsing tray system for pipette tips or transfer needles which are arranged in a grid spacing, the rinsing tray system comprising: an arrangement in the form of a matrix and having a bottom tray, an intermediate tray, and a top tray; the bottom tray having at least one inlet in order to be continuously filled with rinsing liquid; at least one outlet being present on the top tray; protrusions projecting into the interior of the top tray via holes arranged in a base of the top tray; said protrusions having through-apertures orientated at the same grid spacing from one another as the pipette tips or transfer needles and said protrusions projecting into the interior of the top tray perpendicularly to said base of the top tray; wherein the protrusions are narrow in an edge region around the through-apertures; wherein the protrusions are formed by free end pieces of thin-walled tubes having a rim area over which the rinsing liquid emerges from the protrusions after rinsing from the bottom tray to form a rinsing motion; and the protrusions are secured in the intermediate tray at a secured end.