Nonlinear line of weakness formed by a perforating apparatus
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United States of America Patent
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app pub date -
Jun 11, 2014
filing date -
Jun 12, 2013
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Abstract
A web includes a curvilinear line of weakness. The curvilinear line of weakness includes a plurality of perforations. Each of the plurality of perforations is separated by a bond area. Each of the plurality of perforations has a perforation length and each bond area has a non-perforation length. In one embodiment, at least two of the perforations lengths are substantially equal. In an alternate embodiment, at least two of the non-perforations lengths are substantially equal. In yet another embodiment, at least two of the non-perforations lengths are substantially unequal and at least two of the perforation lengths are substantially unequal.
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