Patent ID: 7168847

Claim:
A device for storing, mixing, and/or injecting cements, the device comprising: a tube having a longitudinal axis, a front end with a first opening, a rear end with a second opening, and an internal cylindrical cavity having first and second walls generally parallel to the longitudinal axis; a locking mechanism detachably connected to the front end of said tube so that the first opening of said tube can be sealed; a lid detachably connected to the rear end of said tube, said lid having a borehole extending therethrough; a mixer having a shaft sized and configured to extend through the borehole formed in said lid and a mixing tool at an end thereof, said mixer being axially and rotationally moveable inside of the cavity; a driving means connected to the shaft so that said mixer can be axially and rotationally moved with respect to said tube; and a first restraining means for limiting the axial movement of said mixer with respect to said tube so that the a minimum distance A remains between a front face surface of the mixing tool and the front end of said tube.