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US09259848B2 Method for providing a web with unique lines of weakness 有权
为网络提供独一无二的弱点的方法

Method for providing a web with unique lines of weakness
Abstract:
Methods are disclosed that include forming selected perforation designs and patterns in web substrates. The perforation designs and patterns can be formed in linear or nonlinear fashion, can extend in the cross direction or the machine direction and can be formed to complement or match an embossed or printed design on the web. The perforation designs and patterns can be formed utilizing various mechanical perforating techniques.
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