发明授权
- 专利标题: Process of making a multi-section bomb casing
- 专利标题(中): 制造多段炸弹套管的过程
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申请号: US46433申请日: 1993-04-12
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公开(公告)号: US5305505A公开(公告)日: 1994-04-26
- 发明人: James D. Ruhlman
- 申请人: James D. Ruhlman
- 申请人地址: PA Irvine
- 专利权人: National Forge Company
- 当前专利权人: National Forge Company
- 当前专利权人地址: PA Irvine
- 主分类号: B21K21/06
- IPC分类号: B21K21/06 ; B23K20/12 ; F42B12/22 ; F42B25/00
摘要:
A process for making multi-section bomb casings of high strength alloy steel at a reasonable production rate that have the strength and fracture properties of single-piece casings, with the sections being joined using friction welding techniques.
公开/授权文献
- USD381495S Side element of a shoe upper 公开/授权日:1997-07-29