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1. (WO2017033891) POWDER MOLDING METAL MOLD AND METHOD FOR MANUFACTURING POWDER COMPACTED MOLDING

Pub. No.:    WO/2017/033891    International Application No.:    PCT/JP2016/074387
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Tue Aug 23 01:59:59 CEST 2016
IPC: B30B 11/02
B30B 11/00
Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD.
住友電気工業株式会社
SUMITOMO ELECTRIC SINTERED ALLOY, LTD.
住友電工焼結合金株式会社
Inventors: TSURUTA, Hijiri
鶴田 聖
UENO, Tomoyuki
上野 友之
SHIMAUCHI, Kazunari
嶋内 一誠
Title: POWDER MOLDING METAL MOLD AND METHOD FOR MANUFACTURING POWDER COMPACTED MOLDING
Abstract:
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.