METHOD FOR PRESSING OUT HOLLOW POLYHEDRAL ARTICLES Russian patent published in 2003 - IPC

Abstract RU 2201310 C2

FIELD: electrical engineering and other industry branches. SUBSTANCE: method comprises steps of placing into polyhedral die several polyhedral blanks until mutual contact of their faces of the same lengths; embedding several polyhedral punches into blanks for providing metal yielding into gaps formed by punch faces and respective faces of blanks while moving upwards polyhedral die by action of friction forces of metal flowing into gaps. EFFECT: possibility for pressing out several blanks in the same die. 2 dwg, 1 ex

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RU 2 201 310 C2

Authors

Nikiforov Ju.B.

Dates

2003-03-27Published

2000-01-27Filed