发明名称 Split columns with locating features
摘要 A split column includes two half sections with locating features for aligning the half sections. A whole column is formed and then split into half sections. The locating features are formed on the inner surfaces of the half sections after the column is split into half sections.
申请公布号 US8234837(B2) 申请公布日期 2012.08.07
申请号 US20080250814 申请日期 2008.10.14
申请人 KOREN ROBERT DOUGLAS;SZILEZY DAVID;HAHN JOSEPH;COLUMN & POST, INC. 发明人 KOREN ROBERT DOUGLAS;SZILEZY DAVID;HAHN JOSEPH
分类号 E04C3/00;E04B2/08;F16L9/00 主分类号 E04C3/00
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