device for mixing a liquid sample with a verdünnungsflüssigkeit

摘要

P the present invention relates to a diluter adjustable. This a diluter comprises a member for adjusting 1010 of the stroke of the first piston, having on its outer surface a thread 1018 adapted to cooperate with a thread 1020 formed on the inner surface of the housing 120, the lower end of said member for adjusting 1010 playing the role of a stop for limiting the travel towards the top of the first piston; a tubular member for adjusting 1026, the lower end has an abutment surface 1028 adapted to cooperate with the upper end 1030 of the control sleeve 460 of the first piston and the inner surface of which has a thread 1032; and a tubular pusher element 500 fixed to the control rod 480 of the second piston having an external thread 1036 adapted to cooperate with the internal thread 1032 of the tubular member for adjusting 1026. / p & & p & application to the material of the laboratory. / p