发明名称 |
PISTON HAVING LASER HARDENED PRIMARY COMPRESSION RING GROOVE AND METHOD OF MAKING SAME |
摘要 |
The piston made in accordance with the teachings herein includes a primary compression ring groove, a bottom and rear wall surface of which are hardened by the method of laser hardening. The method includes the steps of spraying the primary groove with a graphite spray and then directing an angled elliptical in cross section laser beam at the bottom surface of the groove while rotating the cylinder head at predetermined parameters. |
申请公布号 |
CA2148731(A1) |
申请公布日期 |
1996.06.06 |
申请号 |
CA19952148731 |
申请日期 |
1995.05.05 |
申请人 |
CLARKE INDUSTRIES, INC. |
发明人 |
CLARK, RICHARD J.;CLARK, RICHARD K.;CLARK, DENNIS E.;BUDD, RICHARD W.;MOON, NORMAN A. |
分类号 |
C21D1/09;C21D9/00;F16J9/00;(IPC1-7):F16J1/00 |
主分类号 |
C21D1/09 |
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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