发明名称 |
Process for manufacturing a piston ring |
摘要 |
A process for manufacturing a piston ring is disclosed wherein web-like first metal member which will form a base of a piston ring and web-like second metal member which will form a wear resistant layer of the piston ring are separately fed and joined together. The joined web is subject to curving to gradually decrease a radius of curvature.
|
申请公布号 |
US4497102(A) |
申请公布日期 |
1985.02.05 |
申请号 |
US19830510135 |
申请日期 |
1983.07.01 |
申请人 |
NIPPON PISTON RING CO., LTD. |
发明人 |
IKUTAKE, HIROSHI |
分类号 |
B23P15/08;(IPC1-7):B23P15/08 |
主分类号 |
B23P15/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|