| 发明名称 |
METHOD OF LOCAL PLASTIC DEFORMATION OF FRAGILE MATERIAL |
| 摘要 |
<p>FIELD: plastic material working by local deformation. SUBSTANCE: method comprises steps of acting upon material by deforming tool with flat end for creating tension stress in said material. Zone of said material engaging with flat end of said tool is subjected to compression load before acting on it by deforming tool. Said load is released when tool action is ended. EFFECT: enhanced efficiency. 2 dwgo</p> |
| 申请公布号 |
RU2103093(C1) |
申请公布日期 |
1998.01.27 |
| 申请号 |
RU19920004468 |
申请日期 |
1992.11.02 |
| 申请人 |
EHKOL'D GMBKH UND KO. KG |
发明人 |
MATTIAS DOBRIKOV;MATTIAS DOBRIKOV |
| 分类号 |
B21D22/20;B21D24/00;B21D24/04;B21D39/03;(IPC1-7):B21D39/03 |
主分类号 |
B21D22/20 |
| 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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