发明名称 LONG, SLENDER LAMINA STACKS OF NON-UNIFORM LAMINAE AND METHOD AND APPARATUS FOR THE MANUFACTURE THEREOF
摘要 A method of manufacturing an elongate stack of interlocked laminae in a die assembly. The method includes the steps of stamping a first lamina having generally opposed first and second edges in the strip stock material, stampi ng at least one first interlock means for engaging another lamina in the first lamina, separating the first lamina from the strip stock material, placing t he first lamina into the choke passageway, the first and second edges of the first lamina frictionally engaging the choke passageway, stamping a second lamina having first and second elongate edges in the strip stock material, stamping at least one second interlock means for engaging another lamina in the second lamina, at least partially engaging the first and second interlocking means, separating the second lamina from the strip stock material, placing the second lamina into the choke passageway, and frictionally engaging the choke passageway along the first and second elonga te edges of only one of the first and second laminae.
申请公布号 CA2336897(C) 申请公布日期 2008.08.05
申请号 CA19992336897 申请日期 1999.06.03
申请人 L.H. CARBIDE CORPORATION 发明人 NEUENSCHWANDER, THOMAS R.
分类号 B21D28/22;B21D28/10;H01F3/02;H01F27/245;H02K15/02 主分类号 B21D28/22
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