发明名称 |
Powder compression molding method and apparatus and dry cell |
摘要 |
Powder mixture is supplied into a die under a state that a center pin is located lower than the top surface of the die, after which the center pin is lifted up to a given molding position where an annular molding space is defined between the center pin and the die. The powder mixture is then compressed from upper and lower sides with an upper plunger and a lower plunger to form a pellet. The center pin and the lower plunger are simultaneously lifted up to remove the pellet out of the die.
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申请公布号 |
US6827567(B2) |
申请公布日期 |
2004.12.07 |
申请号 |
US20010770023 |
申请日期 |
2001.01.25 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
KOUDA MINORU;HATTORI SHIGEHARU;NAKATSUKA SABURO;TAKEBAYASHI HIROSHI;SANUKIYA TOSHIO |
分类号 |
B29C43/08;B29C43/34;B30B11/08;H01M4/08;H01M6/08;H01M10/04;(IPC1-7):B29C43/34 |
主分类号 |
B29C43/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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