Mold pack for making metal powder articles

Details Mold pack for making metal powder articles Mold pack for making metal powder articles

1976-06-24

1977-02-15

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Means for molding powdered metal

425DIG12, 249 61, B29C 300, B30B 1100

Patent

active

040080234

ABSTRACT:
A compactible mold pack useful for forming articles of complex inner and outer contour and substantial uniform density directly from metal powder is disclosed. The mold pack includes first and second porous, compactible mold sections defining therebetween a cavity in the outer contour of the article to be made, a porous, compactible core suspended in the cavity to define the inner contour and metal powder disposed in the cavity between the mold sections and core, the mold sections and core having an initial porosity substantially equal to that of the metal powder to be consolidated. The mold pack may be compacted to size by conventional forging and pressing techniques to consolidate the metal powder therein into the desired article.

REFERENCES:
patent: 3112166 (1963-11-01), Montgomery et al.
patent: 3230286 (1966-01-01), Bobrowsky
patent: 3972662 (1976-08-01), Bird

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