Patent ID: 6810756
Filing Date: 2004-11-02
Classification: G01N

Abstract:
Sample-taking device, comprising a body (1) inside which there is a rotating plug (4) through which two drillings (24, 25) have been made, separated by an angle equal to an angle separating two orifices (22, 23) penetrating the body (1) and which are an inlet orifice and an outlet orifice, and respectfully leading into a sample intake pipe and discharge pipe, the body also being perforated by a sample-taking orifice (18) provided with a check valve (19) located at the bottom of a cylindrical chamber (12) contained in the body and partially delimited by the rotating plug (4), the device also comprising a piston (11) free to move in the rotating plug (4) towards and away from the bottom and delimiting the chamber on the side opposite the bottom.