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    • 1. 发明授权
    • Nicked cutting rule
    • 切割规则
    • US5537905A
    • 1996-07-23
    • US303227
    • 1994-09-08
    • Gregory ZimmerRichard M. Ulvila
    • Gregory ZimmerRichard M. Ulvila
    • B26D1/00B26F1/14B26F1/18
    • B26D1/0006B26F1/14B26F1/18B26D2001/0053B26D2001/006Y10T83/9314Y10T83/9449Y10T83/9454
    • A perforating rule for perforating paper and plastic including a shank portion having substantially planar side surfaces parallel to a central plane therebetween, a cutting portion having a V-shaped cross-section with the narrower end of the V providing a cutting edge, the cutting portion having portions separated by a plurality of notches extending inwardly from the cutting edge toward the shank portion, and an intermediate portion interconnecting the shank and cutting portions having opposite side surfaces extending from the shank portion to the cutting portion. The thickness of the rule at about 0.024 inch from the cutting edge is about 0.014 inches, the notches have a width in the direction of the length of the rule of about 0.007 inches and a depth of about 0.025 inches, and the portions of the cutting portion have a width in the direction of the length of the rule greater than the width of the notches. The tooth shape and spacing of the perforating rule reduces the stresses placed on the material or stock during cutting, thereby preventing premature rupture of ties along a line of weakness.
    • 一种用于穿孔纸和塑料的穿孔规则,其包括具有平行于其间的中心平面的基本平坦的侧表面的柄部分,具有V形横截面的切割部分,其中较窄的端部提供切割边缘,切割部分 具有由从切削刃朝向柄部向内延伸的多个切口分隔开的部分,以及将柄部与具有从柄部延伸到切割部分的相对侧面的切削部分的中间部分。 距离切割边约0.024英寸的规则厚度约为0.014英寸,切口在规则长度方向上的宽度约为0.007英寸,深度约为0.025英寸,切割部分的宽度 部分在规则长度方向上的宽度大于凹口的宽度。 穿孔规则的齿形和间距减小了在切割过程中放置​​在材料或坯料上的应力,从而防止束带沿着弱线的过早破裂。
    • 2. 发明申请
    • Nicked cutting rule
    • 切割规则
    • US20050155478A1
    • 2005-07-21
    • US10760484
    • 2004-01-21
    • Gregory Zimmer
    • Gregory Zimmer
    • B26D1/00B26F1/18B26F1/44
    • B26F1/18B26D1/0006B26D2001/002B26D2001/0053Y10T83/9449
    • A nicked cutting rule includes a shank portion having two substantially parallel shank side surfaces extending in a direction of length of the rule separated by a thickness of the shank portion. The nicked cutting rule further includes a V-shaped cutting edge portion defined by two cutting edge portion surfaces that intersect at ends remote from the shank portion to define a cutting edge, the cutting edge portion having portions separated in the direction of length of the rule by a plurality of notches extending inwardly from the cutting edge toward the shank portion. The nicked cutting rule also includes an intermediate portion between and integral with the shank portion and the cutting edge portion, the intermediate portion being thinner than the thickness of the shank portion and including two intermediate portion surfaces extending between the two shank side surfaces and the two cutting edge portion surfaces. A hardness of the shank portion, a hardness of the cutting edge portion, the thickness of the shank portion, and the thicknesses of the intermediate portion and the cutting edge portion are selected such that the nicked cutting rule is bendable.
    • 切口切割规则包括:柄部分,其具有沿规则的长度方向延伸的两个基本上平行的柄侧表面,其与柄部分的厚度分开。 切口切割规则还包括由两个切割边缘部分表面限定的V形切割边缘部分,该切割边缘部分表面在远离柄部分的端部处相交以限定切割边缘,切割边缘部分具有沿规则长度方向分开的部分 通过从切削刃朝向柄部分向内延伸的多个切口。 切口切割规则还包括在柄部和切割边缘部分之间并与之整体的中间部分,中间部分比柄部分的厚度薄,并且包括在两个柄部侧表面之间延伸的两个中间部分表面 切削刃部分表面。 选择柄部的硬度,切削刃部的硬度,柄部的厚度以及中间部和切削刃部的厚度,使得切口切断规则是可弯曲的。