发明申请
- 专利标题： Preformed Block Piece With Three Points of Support
- 专利标题（中）： 具有三点支持的预制块
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申请号： US11795729申请日： 2006-07-26
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公开(公告)号： US20080132157A1公开(公告)日： 2008-06-05
- 发明人: Gunter Schneider , Helwig Buchenauer , Ulf Borner , Klaus Kramer
- 申请人： Gunter Schneider , Helwig Buchenauer , Ulf Borner , Klaus Kramer
- 优先权： DE102005038063.8 20050810
- 国际申请： PCT/EP06/64689 WO 20060726
- 主分类号： B24B13/005
- IPC分类号： B24B13/005 ; B24B9/14 ; B23Q3/00
摘要：
The invention relates to a block piece for holding an optical lens to be machined, with a coupling part for holding in a workpiece chuck and with a holding part for fastening the lens. The holding part has a convex or concave holding surface corresponding to a first side of the lens. The holding surface is, according to the shape of the lens to be held, provided in the form of a negative free-forming surface, and the block piece is made from a plastic that can be machined.
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