发明名称 |
METHOD FOR MAKING CLOSED OR SEMICLOSED SHAPE |
摘要 |
FIELD: plastic metal working, possibly manufacture of closed or semiclosed shapes in metallurgical industry branch. SUBSTANCE: method comprises steps of bending walls of preliminarily made open shape by pressure applied outside due to explosion of charge of explosive matter; at bending walls of open shape forming its inner contour with use of preset- profile gage; preliminarily placing gage along the whole length of blank and removing it after formation of desired profile. EFFECT: enlarged manufacturing possibility of simplified method, enhanced quality of ready shapes. 6 dwg, 1 ex
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申请公布号 |
RU2198756(C2) |
申请公布日期 |
2003.02.20 |
申请号 |
RU20000109903 |
申请日期 |
2000.04.17 |
申请人 |
O-ISSLEDOVATEL'SKIJ INSTITUT TEKHNOLOGII MASHINOSTROENIJA |
发明人 |
OSKOLKOV A.I.;INDYK L.JU.;MAKSIMOV A.A.;VOL'FERTS G.A. |
分类号 |
B21D7/022;B21D11/00;B21D26/08 |
主分类号 |
B21D7/022 |
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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