Patent ID: 6324925
Filing Date: 2001-12-04
Classification: B01L

Abstract:
A method for removing a replaceable tip which encloses a sample space, the replaceable tip being useable in a suction device for dispensing, transferring, diluting, titrating, or mixing a liquid, the suction device having an end part enclosing a cylindrical space with a reciprocating piston for changing volume of the cylindrical space, the replaceable tip being fitted on an outside surface of the end part, the method comprising the steps of removing the tip with a removal device, the removal device being mounted in an air space formed jointly by the sample space of the replaceable tip and the cylindrical space of the end part of the suction device, moving the removal device between an inner home position and an outer removal position, the removal device being moved into contact with an inside surface or into contact with projections, pegs or ribs associated with the inside surface of the replaceable tip, whereby movement of the removal device into the outer removal position detaches the replaceable tip from the end part.