发明名称 Apparatus and method for preparing U-shaped spacers for insulating units
摘要 A device is disclosed for preparing a U-shaped spacer having a longitudinal axis, wherein the spacer has first and second opposing sides extending from a spacer bottom, and wherein the spacer is to be used as a spacer between glass sheets on insulating frames. A method for producing such spacer features is also disclosed.
申请公布号 US2004231277(A1) 申请公布日期 2004.11.25
申请号 US20030444746 申请日期 2003.05.23
申请人 ROSSKAMP BARENT A. 发明人 ROSSKAMP BARENT A.
分类号 B21D28/24;B23D15/00;B23D23/02;E06B3/673;(IPC1-7):E04H12/18;E04C5/16;E04H12/00 主分类号 B21D28/24
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