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2. 发明申请

WO0206020A9 STRUCTURAL SAW BLADE 审中-公开
标题翻译：结构锯片
公开(公告)号：WO0206020A9
公开(公告)日：2003-07-03
申请号：PCT/US0122655
申请日：2001-07-18
申请人： AMERICAN SAW & MFG , CRANNA MARK T
发明人： CRANNA MARK T
IPC分类号： B23D61/12 , B27B33/02
CPC分类号： B23D61/121 , Y10T83/9317 , Y10T83/9319 , Y10T83/9346 , Y10T83/9348 , Y10T83/935 , Y10T83/9358
摘要： A structural band saw blade (10, 110) is defined by a plurality of teeth (12, 112) spaced relative to each other with variable height and set, and a back edge (46, 146) located on the opposite side of the blade relative to the cutting edge. Each tooth of the band saw blade defines a tip (40, 140), a rake face (42, 142) formed on one side of the tip, a primary clearance surface (44, 144) formed on the opposite side of the tip relative to the rake face, a secondary clearance surface (48, 148) adjacent to the primary surface, and a tertiary clearance surface (50, 150) adjacent to the secondary surface. The primary, secondary, and tertiary surfaces respectively define first, second and third acute relief angles (A, B, C) wherein the second angle is less than the first angle and the third angle is greater than both angles. A rake face protrusion (54, 154) is formed opposite the rake face relative to the tip and extends over one end of a weld zone (52, 152) and projects outwardly relative to a plane of the rake face. One or both the secondary and tertiary surfaces projects outwardly from the rake face plane opposite the protrusion to form an increased tooth thickness at the weld zone and prevent tooth strippage.
摘要翻译：结构带锯片（10,110）由可相对于彼此间隔开的可变高度和设置的多个齿（12,112）限定，并且位于叶片相对侧的后边缘（46,146）相对于切削刃。带锯条的每个齿限定了尖端（40,140），形成在尖端的一侧的前刀面（42,142），形成在尖端相对侧上的主间隙表面（44,144）邻近所述主表面的第二间隙表面（48,148）以及邻近所述次表面的第三间隙表面（50,150）。主表面，次表面和第三表面分别限定第一，第二和第三锐角（A，B，C），其中第二角度小于第一角度，第三角度大于两个角度。前刀面凸起（54,154）相对于尖端形成在前刀面相对的位置，并且在焊接区（52,152）的一端上延伸并且相对于前刀面的平面向外突出。二级和三级表面中的一个或两个从与突起相对的前刀面平面向外突出，以在焊接区域处形成增加的齿厚并防止牙齿剥离。

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