| 发明名称 |
Annular gas turbine engine case and method of manufacturing |
| 摘要 |
The method is used for making an annular gas turbine engine case from a preform. The method comprises comprising flowforming at least one section of the preform, and then outwardly bending at least one portion of the perform.
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| 申请公布号 |
US8397383(B2) |
申请公布日期 |
2013.03.19 |
| 申请号 |
US20060537884 |
申请日期 |
2006.10.02 |
| 申请人 |
BARNETT BARRY;HUNT STEVEN;WOJTYCZKA CZESLAW;PRATT & WHITNEY CANADA CORP. |
发明人 |
BARNETT BARRY;HUNT STEVEN;WOJTYCZKA CZESLAW |
| 分类号 |
B21K25/00 |
主分类号 |
B21K25/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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