B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 75/22 (2006.01) B65H 75/08 (2006.01) B65H 75/10 (2006.01)
Patent
CA 2096976
Disclosed is a core for core wound paper products, such as toilet tissue or paper towels. The core (20) is provided with a plurality of axially oriented continuous score lines (36), perforations, or holes. The continuous score lines (36), perforations, or holes weaken the core, so that upon flattening, vertices are formed. When the core (20) is rerounded, each score line (36), perforation, or hole forms a vertex, so that a predefined polygonally shaped cross section, more nearly approximating a circle, is formed.
La présente invention concerne une bobine pour l'enroulement de produits de papier, par exemple du papier hygiénique ou du papier essuie-tout. La bobine (20) selon cette invention comporte plusieurs lignes axiales de moindre résistance (36) (traits continus, pointillés, perforations), où se forment des pliures lorsque la bobine est aplatie. Lorsque la bobine (20) est remise en forme, les plis qui se forment le long des lignes de moindre résistance lui donnent une section polygonale déterminée, approchant la forme d'un cercle.
Dearwester Donald David
Newby Stephen Kreg
Swanson James Lee
Sim & Mcburney
The Procter & Gamble Company
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