APPARATUS TO CREATE ULTRAHIGH PRESSURE Russian patent published in 1995 - IPC

FIELD: refractory materials high-pressure processing. SUBSTANCE: apparatus has coaxially mounted punches, made in the form of plate and die and fixed by supporting rings, central operational conical inserts of ultrafirm or firm material located on central pits of dies on plate, container with sample placed between operational inserts. Inserts are made of two parts operational part and base. Operational part is made of much firmer material, than the base. Insert as a version is made of double layer material and its operational part is made of synthesized diamond or boron nitride and base of firm alloy. EFFECT: increased productivity. 2 cl, 2 dwg