Patent ID: 7569249
Filing Date: 2009-08-04
Classification: B01J,B30B

Abstract:
1. A cartridge assembly adapted for connection to a frame of a cubic high pressure, high temperature press, comprising: a front end comprising a back up intermediate and coaxial with an anvil and a piston; the anvil comprising a cylindrical base connected to a tapered portion leading to a four-sided working face of the anvil opposite the base, the tapered portion forming a substantially 45 degree angle with the cylindrical base; the working face comprising a first surface area which is substantially parallel with the base; a chamfered region with a second surface area forming a 0.5 to 3.5 degree angle with the tapered portion connected to the working face and forming a frusto-pyramidal shape; wherein the second surface area comprises a greater surface area than the first surface area.