发明名称 Wheel rim for motor vehicle, is completely or partly press hardened, and rim is manufactured by warm shaping, particularly hot deep-drawing
摘要 <p>The wheel rim is completely or partly press hardened. The rim is manufactured by warm shaping, particularly hot deep-drawing. The rim has regions (9-11) with different press hardening degrees, i.e. different firmness and hardness. The rim is made of single piece or multi piece steel sheet.</p>
申请公布号 DE102007019485(A1) 申请公布日期 2008.11.06
申请号 DE20071019485 申请日期 2007.04.25
申请人 BRAUN, ELISABETH 发明人 BRAUN, MICHAEL;BECK, MANFRED
分类号 B60B21/00 主分类号 B60B21/00
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