发明名称 METHOD OF PRODUCING A METAL HOLLOW BODY, HOLLOW BODIES PRODUCED ACCORDING TO THIS METHOD AND DEVICE FOR CARRYING OUT THIS METHOD
摘要 <p>In the present method of producing a metal hollow body (1) having a cylindrical casing which is provided on the exterior with at least one predetermined breaking line (32, 51), the casing is formed by a drawing process and the predetermined breaking line (32, 51) is produced continuously by working without cutting, in particular by rolling in, on the outer surface of the casing, after or during the drawing process.</p>
申请公布号 CA2186388(C) 申请公布日期 2000.08.29
申请号 CA19952186388 申请日期 1995.01.25
申请人 BUTTY, JEAN-FRANCOIS 发明人 BUTTY, JEAN-FRANCOIS
分类号 B21B37/78;B21C1/22;B21C37/20;B21H3/00;B21H7/18;(IPC1-7):B21C37/20 主分类号 B21B37/78
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