Patent ID: 6236048
Filing Date: 2001-05-22
Classification: G01N

Abstract:
Device for conveying samples in connection with the examination of a flowable material, comprising:a) a tube having:i) a first opening for receiving a material,ii) a second opening for discharging said material, andiii) a tube segment between said openings for holding said material for examination;b) a movable first closure comprising a tube capable of sliding in the tube segment disposed in said tube segment at the first opening for receiving material;c) conveying means for moving material received through said first opening to said tube segment, wherein the material is moved into the tube segment without first completely emptying the tube segment of all material already present therein; andd) a second closure comprising a plunger disposed in said tube segment between said tube segment and said discharge opening, said second closure being movably mounted for movement to a closed position during a period while said conveyor moves said material into said tube segment.