DEVICE FOR MOULDING POWDERS AND MAKING SINTERED MAGNET FROM RARE EARTH METALS BY USING SAID DEVICE Russian patent published in 2020 - IPC B22F3/03 B30B11/06 B30B15/02 

Abstract RU 2710812 C2

FIELD: electricity.

SUBSTANCE: invention relates to molding powdered material. Powder-like material (5) is introduced into cavity between lower male die (2) and female die (1) and compression molding is performed between upper (3) and lower (2) puncheons into pressed shape (51) of preset shape. Lower puncheon (2) is moved upwards for pushing of pressing (51). Lubricant is applied on inner surface of female die (1) by fitting strap (24) around elasticizer material impregnated with lubricant. Resilient material is selected from the group including felt, non-woven material and sponge.

EFFECT: in connection with application of lubricant during molding operation it is possible to perform this operation continuously.

8 cl, 8 dwg, 1 tbl, 3 ex

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RU 2 710 812 C2

Authors

Kokhno, Osamu

Umebayasi, Josikhiro

Nakamura, Ryudzi

Khasimoto, Takakhiro

Dates

2020-01-14Published

2016-03-03Filed