Apparatus for the triaxial compression of particulate material

Details Apparatus for the triaxial compression of particulate material Apparatus for the triaxial compression of particulate material

1976-04-29

1977-03-01

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Means for molding powdered metal

425405H, B30B 502, B30B 1100

Patent

active

040099776

ABSTRACT:
Superior densification of particulate material is achieved by the superimposition of an axial load on material under isostatic pressure. Such an axial load is imposed through the use of a floating plunger, eliminating the need for an external compacting plunger inserted through the isostatic compacting cylinder. This floating plunger is composed of two end sections, having different surface areas. One end section is acted on by the pressurized media, while the other end section (generally the smaller) coacts on the compact. Pressurization of the chamber with an isostatic media, thereby results in a stress along the vertical axis of the compact, which is different from the isostatic stress on the circumferential surface of the compact.

REFERENCES:
patent: 3462797 (1969-08-01), Asbury
patent: 3830607 (1974-08-01), Boxendale et al.
patent: 3933418 (1976-01-01), Elmgren
patent: 3956452 (1976-05-01), Saito

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