Tearable core for rolled material and its method of manufacture

Details Tearable core for rolled material and its method of manufacture Tearable core for rolled material and its method of manufacture

A - Human Necessities

47

K

219/48, 242/67,

A47K 10/22 (2006.01)

Patent

CA 1332830

A tearable core is disclosed formed in the conventional manner of spiral wrapping elongated strips on a mandrel, with the strips being adhered together to form the core. The strips according to the teachings of the present invention include a series of perforations arranged along and forming a reduced tear strength path in the strips. The reduced tear strength path of the strips are arranged to overlie each other when wound on the mandrel when forming the core to form a predetermined tear line in the core. In the preferred form, the reduced tear strength paths of the strips are parallel to the side edges such that the tear line spirals between the ends of the core when the strips are spirally wound on the mandrel. In the preferred form, the path of perforations of the first strip is generally intermediate the side edges and the path of perforations of the second strip is adjacent a side edge.

607300

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