Composite metal sintered article and method of making same

Details Composite metal sintered article and method of making same Composite metal sintered article and method of making same

1980-12-08

1984-02-07

Bell, Mark

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

B22B 704

Patent

active

044303866

ABSTRACT:
A composite metal sintered article combining a metal shell which has been electroformed and/or electroless plated and/or vapor deposited, positioned inside or outside of a metal sintered compact. A method of making the composite metal sintered article using both a powder metallurgy process and a surface treating process. This composite metal sintered article has excellent surface properties and high dimensional accuracy and is favorably used for many kinds of forming molds, dies and structural members, especially for press molds in making glassware.

REFERENCES:
patent: 3407061 (1968-10-01), Hutkin
patent: 3837896 (1974-09-01), Lindstrom et al.
patent: 3848313 (1974-11-01), Gayonnet
patent: 3989558 (1976-11-01), Mynard et al.
patent: 4004889 (1977-01-01), Gale et al.
patent: 4008051 (1977-02-01), Cadle
patent: 4101713 (1978-07-01), Hirsch et al.

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