B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 18/28 (2006.01) A47K 10/16 (2006.01) B26F 1/18 (2006.01) B26F 1/20 (2006.01)
Patent
CA 2056210
Disclosed is a perforator blade for core wound paper products, such as toilet tissue and paper towels. The perforator blade has a relatively narrow notch width and a relatively narrow tooth width. As the notch width and tooth width of the perforator blade are decreased, the total notch width, which is the aggregate of the width of each notch across the total width of the perforator blade, is similarly decreased. A perforator blade according to the present invention provides very high perforation bond strengths, joining superimposed plies in face-to-face relation, without unduly increasing the tensile strength of the lands bridging adjacent sheets of the core wound paper product. Also, individual tooth flexibility is increased according to the present invention resulting in enhanced perforator blade life and perforation bond quality. Perforated paper products according to the present invention also exhibit less lint, reducing hygiene problems, reduced occurrences of sheet tearing during dispensing, and provide a smoother, better finished appearance during dispensing.
Habel Mark Alan
Ogg Randy Gene
Gowling Lafleur Henderson Llp
The Procter & Gamble Company
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