BILLET FOR PRODUCING ARTICLES FROM EXOTHERMAL MIXTURES Russian patent published in 1997 - IPC

Abstract RU 2082557 C1

FIELD: powder metallurgy, in particular, production of hard-alloy articles. SUBSTANCE: billet for producing articles from exothermal mixtures of metals and nonmetals is made in the form of pressed briquette shaped as many-sided prism, in particular, square or rectangular plate. Corner parts of plate are provided with rounded facets with side a or radius R, with value of a being equal to ; value of R being equal to , where h is allowance for mechanical working of prism side surface; α is apex angle of prism side rib. EFFECT: increased efficiency, simplified construction. 1 dwg

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RU 2 082 557 C1

Authors

Amosov A.P.

Fedotov A.F.

Dates

1997-06-27—Published

1994-05-04—Filed