| Original document(10 pages) 中文版 |
A punch knife for bag making machine is characterized by that its knife and handle can be separated or combined. Its manufacture includes such steps as turning handle, knife and knife holder respectively on lathe, heat treating, straight-wire cutting for shaping, and grinding their end faces. |
Application Number 申请号 |
200510090738 |
Application Date 申请日 |
2005.08.15 |
| Title 名称 |
Punching bore knife in machine of making bags, and preparation method |
Publication Number 公开号 |
1915655 |
Publication Date 公开日 |
2007.02.21 |
| Approval Pub. Date |
|
Granted Pub. Date |
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| International Classification 分类号 |
B31B1/14;B26F1/14;B23P15/28 |
Applicant(s) Name 申请人 |
Shengkeng Tech & Research Ind Co., Ltd. |
| Address 地址 |
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| Inventor(s) Name 发明人 |
Huang Tingyue |
| Attorney & Agent 代理人 |
cao hongjin |
| More information 更 多 信 息 |
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