Ultrahigh pressure apparatus

Details Ultrahigh pressure apparatus Ultrahigh pressure apparatus

1981-04-08

1983-05-31

Anderson, Philip E.

Plastic article or earthenware shaping or treating: apparatus

Ultra high pressure generating device

264109, B30B 1132

Patent

active

043858813

ABSTRACT:
An improved ultrahigh pressure apparatus which comprises; a pair of opposed frustoconical punches, an annular die which has a central bore therethrough formed straight-cylindrical at least partially at an inner portion and which is placed between and in alignment with said punches, a rigid hollow cylinder which is placed in a circumferential contact with the straight cylindrical bore face of the die, and a pair of gaskets of a readily deformable material which are each placed around a conical face of punches and adjacent to a bore face portion of the die outside the rigid cylinder and to an orifice of said cylinder, which apparatus is characterized in that said rigid hollow cylinder has a bore face formed substantially quarter-circular or quarter-elliptical, in a radial section taken along an axis thereof, starting at either axial end and ending at a central portion thereof.

REFERENCES:
patent: 2941247 (1960-06-01), Bundy
patent: 2941248 (1960-06-01), Hall
patent: 3313004 (1967-04-01), Vahldiek et al.
patent: 3350743 (1967-11-01), Ishizuka
patent: 3365751 (1968-01-01), Ishizuka
patent: 3727028 (1973-04-01), Kuratomi
patent: 3988087 (1976-10-01), Ishizuka
patent: 4097208 (1978-06-01), Ishizuka

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