发明名称 Sandwich tuck pointing blade
摘要 A tuck pointing blade includes at least two saw blades, each having multiple slots positioned radially around a perimeter, and a gap between a perimeter cutting surface of each adjacent saw blade. Each saw blade is arranged so that the multiple slots are offset relative to the multiple slots in each adjacent saw blade. In addition, the tuck pointing blade can be configured with three or more saw blades including adjacent blades having different physical properties and/or materials.
申请公布号 US6769423(B1) 申请公布日期 2004.08.03
申请号 US20020251743 申请日期 2002.09.20
申请人 ZHANG CHARLIE 发明人 ZHANG CHARLIE
分类号 B28D1/04;B28D1/12;(IPC1-7):B28D1/04 主分类号 B28D1/04
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