发明授权
- 专利标题： Shaped blades
- 专利标题（中）： 形状的刀片
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申请号： US133602申请日： 1993-10-08
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公开(公告)号： US5438973A公开(公告)日： 1995-08-08
- 发明人: Frederick Schmid , Maynard B. Smith , Chandra P. Khattak
- 申请人： Frederick Schmid , Maynard B. Smith , Chandra P. Khattak
- 申请人地址： MA Salem
- 专利权人： Crystal Systems, Inc.
- 当前专利权人： Crystal Systems, Inc.
- 当前专利权人地址： MA Salem
- 主分类号： B23D61/18
- IPC分类号： B23D61/18 ; B24D3/06 ; B28D1/00
摘要：
A cutting blade the core of which is generally tear-drop shaped in cross-section. The sides of the tear-drop shaped core form an included angle of not less than about 5 degrees (and typically not less than about 9 degrees), and abrasive is provided essentially on only the wide bottom surface of the core.
公开/授权文献
- US4929631A Fungicide azolyl-derivatives 公开/授权日：1990-05-29
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