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|1. (WO2017033891) POWDER MOLDING METAL MOLD AND METHOD FOR MANUFACTURING POWDER COMPACTED MOLDING|
|Applicants:||SUMITOMO ELECTRIC INDUSTRIES, LTD.
SUMITOMO ELECTRIC SINTERED ALLOY, LTD.
|Title:||POWDER MOLDING METAL MOLD AND METHOD FOR MANUFACTURING POWDER COMPACTED MOLDING|
A powder molding metal mold which is provided with a die and an upper punch and a lower punch embedded in the die, and which is for manufacturing a powder compacted molding by compressing powder between the upper punch and the lower punch, wherein, of the members constituting the powder molding metal mold, at least one of two members that slide on each other is internally provided with an exhaust channel for exhausting gas from a filled space, enclosed by the die and the lower punch for the powder, to the outside of the powder molding metal mold, wherein the exhaust channel is formed between the two members and includes a gas intake opening opened onto a clearance portion connected to the filled space.