High pressure apparatus

Details High pressure apparatus High pressure apparatus

1976-01-23

1976-10-26

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Ultra high pressure generating device

425DIG26, 425DIG115, B30B 1132

Patent

active

039880877

ABSTRACT:
A high pressure apparatus for synthesizing diamonds which comprises a pair of opposed tapered pistons each having a truncated end surface, a pair of hollow truncated-conical piston protectors each of which is made of a ductile metal and arranged on the tapered piston surface, and annular die member having a substantially cylindrical wall of a diameter larger than that of each piston truncated end surface, a hollow cylindrical body made of less compressibility coefficient material than the die material and having an outer diameter substantially same or slightly smaller than the diameter of said truncated end surface of each pistons and positioned coaxially within the die cylindrical wall, and gaskets placed respectively at the ends of said cylindrical body.

REFERENCES:
patent: 2992900 (1961-07-01), Bovenkerk
patent: 3543347 (1970-12-01), Ishizuka

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