METHOD FOR HYDRAULICALLY EXTRUDING PRECISE SHAPES OF NON-FERROUS AND NOBLE METAL ALLOYS Russian patent published in 1997 - IPC

Abstract RU 2084304 C1

FIELD: plastic metal working. SUBSTANCE: method comprises steps of placing blank in container, deforming it by predetermined length, relieving pressure, placing next blank and deforming it by predetermined length value at applying mechanical effort to rear ends of said blanks. Special washer of plastic material with shear resistance being 2-3 times less than that of blank material is placed between ends of said blanks. Deformation is realized through two successively arranged working and sizing dies. EFFECT: enhanced efficiency. 4 dwg

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RU 2 084 304 C1

Authors

Kamenetskij B.I.

Sokolov A.L.

Ermakov A.V.

Grokhovskaja L.G.

Sivkov M.N.

Dates

1997-07-20Published

1995-08-22Filed