| 发明名称 |
A PISTON HEAD AND TO A METHOD OF MAKING A PISTON HEAD |
| 摘要 |
The invention provides a piston head (10) having a bowl (20) in the crown (18) thereof. At least the upper edge of the bowl (20), and preferably the whole crown (18) is made of a material resistant to thermal oxidation, such as stainless steel. The remainder of the piston head (10) is made of conventional hot forging material.
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| 申请公布号 |
WO0206658(A9) |
申请公布日期 |
2003.08.07 |
| 申请号 |
WO2001GB03002 |
申请日期 |
2001.07.04 |
| 申请人 |
UNITED ENGINEERING FORGINGS LIMITED;WILLIAMS, MICHAEL, JOHN |
发明人 |
WILLIAMS, MICHAEL, JOHN |
| 分类号 |
B21J5/00;B21K1/18;B23P15/10;F02B3/06;F02B23/06;F02F3/00;(IPC1-7):F02F3/00;B23P15/00 |
主分类号 |
B21J5/00 |
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