| 发明名称 |
PROCESSO DE FABRICACAO DE EMBOLO E EMBOLO |
| 摘要 |
A method to manufacture an articulated piston head wherein the two portions composing the head, i.e. the top portion and the pin boss portion, are formed separately from blanks of forged or cast chromium-molybdenum steel or a low alloy steel, subjected to preliminary machining operations, joined together by friction welding and then machined to final dimensions. |
| 申请公布号 |
PT97381(A) |
申请公布日期 |
1993.05.31 |
| 申请号 |
PT19910097381 |
申请日期 |
1991.04.16 |
| 申请人 |
METAL LEVE S/A INDUSTRIA E COMERCIO |
发明人 |
JOSE MANOEL MARTINS LEITES;JOSE AUGUSTO CARDOSO MENDES;ANDRE LIPPAI;PAULO TADEU DELLANOCE |
| 分类号 |
B23K20/12;B23P15/10;F02B3/06;F02F3/00;F16J1/00;(IPC1-7):F16J1/00 |
主分类号 |
B23K20/12 |
| 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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