METHOD OF MOLDING PRODUCTS WITH OPENINGS FROM POWDERED MATERIALS Russian patent published in 1994 - IPC

Abstract RU 2025214 C1

FIELD: production of molded products from powdered materials. SUBSTANCE: method involves charging powdered material into molding cavity defined by forming members; effectuating molding by providing relative motion between forming members. At the beginning of molding process forming cavity is communicated with outside atmosphere through drain opening in one of forming members. The process is completed, when forming cavity is closed by cutting-off drain opening with the help of sign part of other forming member and urging powdered material out of drain opening. EFFECT: wider operational capabilities, increased efficiency by providing obtaining of small-diameter billets. 1 dwg

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RU 2 025 214 C1

Authors

Makarov V.K.

Lysenko A.I.

Dates

1994-12-30Published

1992-03-14Filed